INFO: task hung in deactivate_super
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syzbot
Apr 29, 2019, 8:41:07 AM4/29/19
to syzkaller...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: fa5941f4 Linux 4.14.114
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1199dd04a00000
kernel config: https://syzkaller.appspot.com/x/.config?x=d7780000df8e070e
dashboard link: https://syzkaller.appspot.com/bug?extid=d64d68af54f8c3ca4d80
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+d64d68...@syzkaller.appspotmail.com
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
8021q: adding VLAN 0 to HW filter on device batadv0
INFO: task syz-executor.4:14359 blocked for more than 140 seconds.
Not tainted 4.14.114 #4
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D25168 14359 1 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2807 [inline]
__schedule+0x7be/0x1cf0 kernel/sched/core.c:3383
schedule+0x92/0x1c0 kernel/sched/core.c:3427
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:572 [inline]
rwsem_down_write_failed+0x5cd/0xbe0 kernel/locking/rwsem-xadd.c:601
call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:105
__down_write arch/x86/include/asm/rwsem.h:126 [inline]
down_write+0x53/0x90 kernel/locking/rwsem.c:56
deactivate_super fs/super.c:349 [inline]
deactivate_super+0x7d/0xa0 fs/super.c:346
cleanup_mnt+0xb2/0x150 fs/namespace.c:1183
__cleanup_mnt+0x16/0x20 fs/namespace.c:1190
task_work_run+0x119/0x190 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:191 [inline]
exit_to_usermode_loop+0x1da/0x220 arch/x86/entry/common.c:163
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
do_syscall_64+0x4a9/0x630 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45b7f7
RSP: 002b:00007ffc1ba07f28 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045b7f7
RDX: 00000000004032d0 RSI: 0000000000000002 RDI: 00007ffc1ba07fd0
RBP: 000000000000006f R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000005 R11: 0000000000000206 R12: 00007ffc1ba09060
R13: 0000000001bdb940 R14: 0000000000000000 R15: 00007ffc1ba09060
INFO: task syz-executor.3:17499 blocked for more than 140 seconds.
Not tainted 4.14.114 #4
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D29056 17499 15814 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2807 [inline]
__schedule+0x7be/0x1cf0 kernel/sched/core.c:3383
schedule+0x92/0x1c0 kernel/sched/core.c:3427
__rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:276 [inline]
rwsem_down_read_failed+0x1f4/0x380 kernel/locking/rwsem-xadd.c:293
call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
__down_read arch/x86/include/asm/rwsem.h:66 [inline]
down_read+0x49/0xb0 kernel/locking/rwsem.c:26
iterate_supers+0xe1/0x250 fs/super.c:611
sys_sync+0x9a/0x130 fs/sync.c:115
do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x20000450
RSP: 002b:00007fb232313bd8 EFLAGS: 00000a83 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 0000000020000450
RDX: 3c4f202a88cb5238 RSI: 0000000000000000 RDI: 00007fb232314bf2
RBP: 0000000000000049 R08: 0000000000000005 R09: 0000000000000006
R10: 0000000000000007 R11: 0000000000000a83 R12: 000000000000000b
R13: 000000000000000c R14: 000000000000000d R15: 00000000ffffffff
INFO: task syz-executor.3:26538 blocked for more than 140 seconds.
Not tainted 4.14.114 #4
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D29280 26538 16846 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2807 [inline]
__schedule+0x7be/0x1cf0 kernel/sched/core.c:3383
schedule+0x92/0x1c0 kernel/sched/core.c:3427
__rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:276 [inline]
rwsem_down_read_failed+0x1f4/0x380 kernel/locking/rwsem-xadd.c:293
call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
__down_read arch/x86/include/asm/rwsem.h:66 [inline]
down_read+0x49/0xb0 kernel/locking/rwsem.c:26
iterate_supers+0xe1/0x250 fs/super.c:611
sys_sync+0x9a/0x130 fs/sync.c:115
do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x20000450
RSP: 002b:00007fb232313bd8 EFLAGS: 00000a83 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 0000000020000450
RDX: 3c4f202a88cb5238 RSI: 0000000000000000 RDI: 00007fb232314c56
RBP: 0000000000000049 R08: 0000000000000005 R09: 0000000000000006
R10: 0000000000000007 R11: 0000000000000a83 R12: 000000000000000b
R13: 000000000000000c R14: 000000000000000d R15: 00000000ffffffff
Showing all locks held in the system:
1 lock held by khungtaskd/1008:
#0: (tasklist_lock){.+.+}, at: [<ffffffff81487148>]
debug_show_all_locks+0x7f/0x21f kernel/locking/lockdep.c:4541
2 locks held by getty/7024:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7025:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7026:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7027:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7028:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7029:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7030:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
1 lock held by syz-executor.0/7068:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818df1ad>]
deactivate_super fs/super.c:349 [inline]
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818df1ad>]
deactivate_super+0x7d/0xa0 fs/super.c:346
1 lock held by syz-executor.4/14359:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818df1ad>]
deactivate_super fs/super.c:349 [inline]
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818df1ad>]
deactivate_super+0x7d/0xa0 fs/super.c:346
1 lock held by syz-executor.3/14520:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14521:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14522:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14526:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14528:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14532:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14534:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14538:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
3 locks held by syz-executor.3/14540:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14541:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14542:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14544:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14545:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14546:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14548:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14549:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14552:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14554:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14557:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14558:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14559:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14562:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14565:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14566:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14567:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14568:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14571:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14572:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14573:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14574:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14575:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14576:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14579:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14582:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14583:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14585:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14587:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14591:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14593:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14594:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14595:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14596:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14597:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14599:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14600:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14601:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14602:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14604:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14605:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14606:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14607:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14608:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14609:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14613:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14614:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14615:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14617:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14618:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14621:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14622:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14624:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14625:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14627:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14629:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14630:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14631:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14632:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14633:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14634:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14635:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14636:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14637:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14639:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14641:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14646:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14647:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14648:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14649:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14650:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14651:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14652:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14653:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14654:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&rq->lock){-.-.}, at: [<ffffffff8619d74a>] rq_lock
kernel/sched/sched.h:1745 [inline]
#2: (&rq->lock){-.-.}, at: [<ffffffff8619d74a>] __schedule+0x1da/0x1cf0
kernel/sched/core.c:3320
1 lock held by syz-executor.3/14657:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14658:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14660:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14662:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14664:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14665:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14668:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14669:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14670:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14671:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14672:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14674:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14675:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14676:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14678:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14679:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
2 locks held by syz-executor.3/14685:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
2 locks held by syz-executor.3/14686:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14687:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14691:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14692:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14693:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14694:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14695:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14696:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14697:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14698:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14703:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14704:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14706:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14708:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14709:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14710:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14711:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14712:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14713:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14714:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14715:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14716:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14717:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14718:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14719:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14721:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14722:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14725:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14726:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14727:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14730:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14731:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14732:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14734:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14733:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14735:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14737:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14738:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14739:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14740:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14742:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14743:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14744:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14745:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14746:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14747:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14748:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14749:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14750:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14752:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14753:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14754:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14755:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14756:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14757:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14758:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14760:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14761:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
3 locks held by syz-executor.3/14764:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14766:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14767:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14768:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14769:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14772:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14773:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14774:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14775:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14776:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14777:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14780:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14782:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14783:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14785:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14787:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14788:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
3 locks held by syz-executor.3/14790:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14793:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14794:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14795:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14799:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14801:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14802:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14803:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14804:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14805:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14806:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14809:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14811:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14814:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14816:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14817:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14819:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14823:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14827:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14828:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14829:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14830:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14831:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14832:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14833:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14836:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14837:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14838:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14840:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14843:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14844:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14845:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14846:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14849:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14850:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14851:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14852:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14856:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14857:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14858:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14859:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14860:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14862:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14863:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14865:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14867:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14873:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14876:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14877:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14880:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14881:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14882:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14883:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14884:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14886:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14888:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14889:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14895:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14896:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14897:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14898:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14899:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14900:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14901:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14902:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14903:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14904:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14906:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14908:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14913:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14914:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14915:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14916:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
2 locks held by syz-executor.3/14918:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14926:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14928:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14930:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14932:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14933:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14934:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14935:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14937:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14939:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14942:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14943:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14944:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14946:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14947:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14949:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14950:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14951:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14952:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14953:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14955:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14958:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14962:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14963:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14964:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14966:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14967:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14968:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14969:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14970:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14971:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14973:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14975:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14978:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14979:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14981:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14983:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14984:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14986:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14987:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14989:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14990:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi-
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following crash on:
HEAD commit: fa5941f4 Linux 4.14.114
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1199dd04a00000
kernel config: https://syzkaller.appspot.com/x/.config?x=d7780000df8e070e
dashboard link: https://syzkaller.appspot.com/bug?extid=d64d68af54f8c3ca4d80
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+d64d68...@syzkaller.appspotmail.com
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
8021q: adding VLAN 0 to HW filter on device batadv0
INFO: task syz-executor.4:14359 blocked for more than 140 seconds.
Not tainted 4.14.114 #4
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D25168 14359 1 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2807 [inline]
__schedule+0x7be/0x1cf0 kernel/sched/core.c:3383
schedule+0x92/0x1c0 kernel/sched/core.c:3427
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:572 [inline]
rwsem_down_write_failed+0x5cd/0xbe0 kernel/locking/rwsem-xadd.c:601
call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:105
__down_write arch/x86/include/asm/rwsem.h:126 [inline]
down_write+0x53/0x90 kernel/locking/rwsem.c:56
deactivate_super fs/super.c:349 [inline]
deactivate_super+0x7d/0xa0 fs/super.c:346
cleanup_mnt+0xb2/0x150 fs/namespace.c:1183
__cleanup_mnt+0x16/0x20 fs/namespace.c:1190
task_work_run+0x119/0x190 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:191 [inline]
exit_to_usermode_loop+0x1da/0x220 arch/x86/entry/common.c:163
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
do_syscall_64+0x4a9/0x630 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45b7f7
RSP: 002b:00007ffc1ba07f28 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045b7f7
RDX: 00000000004032d0 RSI: 0000000000000002 RDI: 00007ffc1ba07fd0
RBP: 000000000000006f R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000005 R11: 0000000000000206 R12: 00007ffc1ba09060
R13: 0000000001bdb940 R14: 0000000000000000 R15: 00007ffc1ba09060
INFO: task syz-executor.3:17499 blocked for more than 140 seconds.
Not tainted 4.14.114 #4
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D29056 17499 15814 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2807 [inline]
__schedule+0x7be/0x1cf0 kernel/sched/core.c:3383
schedule+0x92/0x1c0 kernel/sched/core.c:3427
__rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:276 [inline]
rwsem_down_read_failed+0x1f4/0x380 kernel/locking/rwsem-xadd.c:293
call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
__down_read arch/x86/include/asm/rwsem.h:66 [inline]
down_read+0x49/0xb0 kernel/locking/rwsem.c:26
iterate_supers+0xe1/0x250 fs/super.c:611
sys_sync+0x9a/0x130 fs/sync.c:115
do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x20000450
RSP: 002b:00007fb232313bd8 EFLAGS: 00000a83 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 0000000020000450
RDX: 3c4f202a88cb5238 RSI: 0000000000000000 RDI: 00007fb232314bf2
RBP: 0000000000000049 R08: 0000000000000005 R09: 0000000000000006
R10: 0000000000000007 R11: 0000000000000a83 R12: 000000000000000b
R13: 000000000000000c R14: 000000000000000d R15: 00000000ffffffff
INFO: task syz-executor.3:26538 blocked for more than 140 seconds.
Not tainted 4.14.114 #4
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D29280 26538 16846 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2807 [inline]
__schedule+0x7be/0x1cf0 kernel/sched/core.c:3383
schedule+0x92/0x1c0 kernel/sched/core.c:3427
__rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:276 [inline]
rwsem_down_read_failed+0x1f4/0x380 kernel/locking/rwsem-xadd.c:293
call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
__down_read arch/x86/include/asm/rwsem.h:66 [inline]
down_read+0x49/0xb0 kernel/locking/rwsem.c:26
iterate_supers+0xe1/0x250 fs/super.c:611
sys_sync+0x9a/0x130 fs/sync.c:115
do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x20000450
RSP: 002b:00007fb232313bd8 EFLAGS: 00000a83 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 0000000020000450
RDX: 3c4f202a88cb5238 RSI: 0000000000000000 RDI: 00007fb232314c56
RBP: 0000000000000049 R08: 0000000000000005 R09: 0000000000000006
R10: 0000000000000007 R11: 0000000000000a83 R12: 000000000000000b
R13: 000000000000000c R14: 000000000000000d R15: 00000000ffffffff
Showing all locks held in the system:
1 lock held by khungtaskd/1008:
#0: (tasklist_lock){.+.+}, at: [<ffffffff81487148>]
debug_show_all_locks+0x7f/0x21f kernel/locking/lockdep.c:4541
2 locks held by getty/7024:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7025:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7026:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7027:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7028:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7029:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7030:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>]
ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>]
n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
1 lock held by syz-executor.0/7068:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818df1ad>]
deactivate_super fs/super.c:349 [inline]
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818df1ad>]
deactivate_super+0x7d/0xa0 fs/super.c:346
1 lock held by syz-executor.4/14359:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818df1ad>]
deactivate_super fs/super.c:349 [inline]
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818df1ad>]
deactivate_super+0x7d/0xa0 fs/super.c:346
1 lock held by syz-executor.3/14520:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14521:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14522:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14526:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14528:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14532:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14534:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14538:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
3 locks held by syz-executor.3/14540:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14541:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14542:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14544:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14545:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14546:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14548:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14549:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14552:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14554:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14557:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14558:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14559:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14562:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14565:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14566:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14567:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14568:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14571:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14572:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14573:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14574:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14575:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14576:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14579:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14582:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14583:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14585:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14587:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14591:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14593:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14594:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14595:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14596:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14597:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14599:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14600:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14601:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14602:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14604:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14605:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14606:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14607:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14608:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14609:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14613:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14614:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14615:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14617:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14618:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14621:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14622:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14624:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14625:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14627:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14629:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14630:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14631:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14632:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14633:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14634:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14635:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14636:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14637:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14639:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14641:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14646:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14647:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14648:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14649:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14650:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14651:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14652:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14653:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14654:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&rq->lock){-.-.}, at: [<ffffffff8619d74a>] rq_lock
kernel/sched/sched.h:1745 [inline]
#2: (&rq->lock){-.-.}, at: [<ffffffff8619d74a>] __schedule+0x1da/0x1cf0
kernel/sched/core.c:3320
1 lock held by syz-executor.3/14657:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14658:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14660:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14662:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14664:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14665:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14668:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14669:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14670:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14671:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14672:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14674:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14675:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14676:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14678:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14679:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
2 locks held by syz-executor.3/14685:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
2 locks held by syz-executor.3/14686:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14687:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14691:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14692:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14693:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14694:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14695:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14696:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14697:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14698:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14703:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14704:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14706:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14708:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14709:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14710:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14711:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14712:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14713:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14714:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14715:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14716:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14717:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14718:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14719:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14721:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14722:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14725:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14726:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14727:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14730:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14731:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14732:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14734:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14733:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14735:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14737:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14738:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14739:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14740:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14742:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14743:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14744:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14745:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14746:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14747:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14748:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14749:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14750:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14752:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14753:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14754:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14755:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14756:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14757:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14758:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14760:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14761:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
3 locks held by syz-executor.3/14764:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14766:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14767:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14768:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14769:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14772:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14773:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14774:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14775:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14776:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14777:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14780:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14782:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14783:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14785:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14787:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14788:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
3 locks held by syz-executor.3/14790:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14793:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14794:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14795:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14799:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14801:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14802:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14803:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14804:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14805:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14806:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14809:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14811:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14814:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14816:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14817:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14819:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14823:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14827:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14828:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14829:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14830:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14831:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14832:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14833:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14836:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14837:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14838:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14840:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14843:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14844:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14845:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14846:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14849:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14850:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14851:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14852:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14856:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14857:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14858:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14859:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14860:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14862:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14863:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14865:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14867:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14873:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14876:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14877:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14880:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14881:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14882:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14883:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14884:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14886:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14888:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14889:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14895:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14896:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14897:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14898:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14899:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14900:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14901:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14902:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14903:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14904:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14906:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14908:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14913:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14914:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14915:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14916:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
2 locks held by syz-executor.3/14918:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14926:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14928:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14930:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14932:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14933:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14934:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14935:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14937:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14939:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14942:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14943:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14944:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14946:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14947:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14949:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14950:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14951:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14952:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14953:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14955:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14958:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14962:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14963:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14964:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14966:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14967:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14968:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14969:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14970:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14971:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14973:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14975:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14978:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14979:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14981:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14983:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14984:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14986:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14987:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14989:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14990:
#0: (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>]
iterate_supers+0xe1/0x250 fs/super.c:611
#1: (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>]
ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
#2: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>]
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
#2: (&bdi-
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
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syzbot
Oct 25, 2019, 4:42:06 AM10/25/19
to syzkaller...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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