INFO: task hung in oom_reaper
4 views
Skip to first unread message
syzbot
Jan 8, 2022, 1:51:26 AM1/8/22
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: bfdef05c8da4 Linux 4.14.261
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17376103b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=35edfd9cd1fd16dc
dashboard link: https://syzkaller.appspot.com/bug?extid=9f2870ce034459587429
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+9f2870...@syzkaller.appspotmail.com
Bluetooth: hci2 command 0x0406 tx timeout
Bluetooth: hci5 command 0x0406 tx timeout
Bluetooth: hci3 command 0x0406 tx timeout
Bluetooth: hci1 command 0x0406 tx timeout
Bluetooth: hci4 command 0x0406 tx timeout
INFO: task oom_reaper:1534 blocked for more than 140 seconds.
Not tainted 4.14.261-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
oom_reaper D30640 1534 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
oom_reap_task_mm mm/oom_kill.c:526 [inline]
oom_reap_task mm/oom_kill.c:585 [inline]
oom_reaper+0x1a2/0x1000 mm/oom_kill.c:622
kthread+0x30d/0x420 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
INFO: task syz-executor.5:14436 blocked for more than 140 seconds.
Not tainted 4.14.261-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D27000 14436 12441 0x80100004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
exit_mmap+0x3d9/0x4d0 mm/mmap.c:3029
__mmput kernel/fork.c:931 [inline]
mmput kernel/fork.c:952 [inline]
mmput+0xfa/0x420 kernel/fork.c:947
exit_mm kernel/exit.c:548 [inline]
do_exit+0x984/0x2850 kernel/exit.c:855
do_group_exit+0x100/0x2e0 kernel/exit.c:965
get_signal+0x38d/0x1ca0 kernel/signal.c:2412
do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:792
exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f20d5d91e99
RSP: 002b:00007f20d4683168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: fffffffffffffdff RBX: 00007f20d5ea52a0 RCX: 00007f20d5d91e99
RDX: 0000000020000580 RSI: 0000000020000c00 RDI: 0000000000000000
RBP: 00007f20d5debff1 R08: 0000000020000880 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd108b85f R14: 00007f20d4683300 R15: 0000000000022000
Showing all locks held in the system:
2 locks held by systemd/1:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
1 lock held by khungtaskd/1533:
#0: (tasklist_lock){.+.+}, at: [<ffffffff8701ef67>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548
1 lock held by oom_reaper/1534:
#0: (oom_lock){+.+.}, at: [<ffffffff81699312>] oom_reap_task_mm mm/oom_kill.c:526 [inline]
#0: (oom_lock){+.+.}, at: [<ffffffff81699312>] oom_reap_task mm/oom_kill.c:585 [inline]
#0: (oom_lock){+.+.}, at: [<ffffffff81699312>] oom_reaper+0x1a2/0x1000 mm/oom_kill.c:622
2 locks held by systemd-journal/4608:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
2 locks held by cron/7694:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
2 locks held by in:imklog/7708:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
2 locks held by login/7934:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
2 locks held by syz-fuzzer/7994:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
2 locks held by syz-fuzzer/8003:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
3 locks held by syz-executor.4/8016:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11580:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11582:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11585:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11587:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11592:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11596:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11597:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11598:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11600:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11601:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11605:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11606:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11607:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11611:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11615:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11620:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11624:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11625:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11626:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11628:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11629:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11630:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11631:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11632:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11634:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11636:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11638:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11639:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11641:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11642:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11643:
---
This report 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 issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: bfdef05c8da4 Linux 4.14.261
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17376103b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=35edfd9cd1fd16dc
dashboard link: https://syzkaller.appspot.com/bug?extid=9f2870ce034459587429
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+9f2870...@syzkaller.appspotmail.com
Bluetooth: hci2 command 0x0406 tx timeout
Bluetooth: hci5 command 0x0406 tx timeout
Bluetooth: hci3 command 0x0406 tx timeout
Bluetooth: hci1 command 0x0406 tx timeout
Bluetooth: hci4 command 0x0406 tx timeout
INFO: task oom_reaper:1534 blocked for more than 140 seconds.
Not tainted 4.14.261-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
oom_reaper D30640 1534 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
oom_reap_task_mm mm/oom_kill.c:526 [inline]
oom_reap_task mm/oom_kill.c:585 [inline]
oom_reaper+0x1a2/0x1000 mm/oom_kill.c:622
kthread+0x30d/0x420 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
INFO: task syz-executor.5:14436 blocked for more than 140 seconds.
Not tainted 4.14.261-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D27000 14436 12441 0x80100004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
exit_mmap+0x3d9/0x4d0 mm/mmap.c:3029
__mmput kernel/fork.c:931 [inline]
mmput kernel/fork.c:952 [inline]
mmput+0xfa/0x420 kernel/fork.c:947
exit_mm kernel/exit.c:548 [inline]
do_exit+0x984/0x2850 kernel/exit.c:855
do_group_exit+0x100/0x2e0 kernel/exit.c:965
get_signal+0x38d/0x1ca0 kernel/signal.c:2412
do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:792
exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f20d5d91e99
RSP: 002b:00007f20d4683168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: fffffffffffffdff RBX: 00007f20d5ea52a0 RCX: 00007f20d5d91e99
RDX: 0000000020000580 RSI: 0000000020000c00 RDI: 0000000000000000
RBP: 00007f20d5debff1 R08: 0000000020000880 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd108b85f R14: 00007f20d4683300 R15: 0000000000022000
Showing all locks held in the system:
2 locks held by systemd/1:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
1 lock held by khungtaskd/1533:
#0: (tasklist_lock){.+.+}, at: [<ffffffff8701ef67>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548
1 lock held by oom_reaper/1534:
#0: (oom_lock){+.+.}, at: [<ffffffff81699312>] oom_reap_task_mm mm/oom_kill.c:526 [inline]
#0: (oom_lock){+.+.}, at: [<ffffffff81699312>] oom_reap_task mm/oom_kill.c:585 [inline]
#0: (oom_lock){+.+.}, at: [<ffffffff81699312>] oom_reaper+0x1a2/0x1000 mm/oom_kill.c:622
2 locks held by systemd-journal/4608:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
2 locks held by cron/7694:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
2 locks held by in:imklog/7708:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
2 locks held by login/7934:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
2 locks held by syz-fuzzer/7994:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
2 locks held by syz-fuzzer/8003:
#0: (&mm->mmap_sem){++++}, at: [<ffffffff812413a9>] __do_page_fault+0x2b9/0xad0 arch/x86/mm/fault.c:1371
#1: (&ei->i_mmap_sem){++++}, at: [<ffffffff81bc1afc>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6246
3 locks held by syz-executor.4/8016:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11580:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11582:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11585:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11587:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11592:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11596:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11597:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11598:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11600:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11601:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11605:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11606:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11607:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11611:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11615:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11620:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11624:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11625:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11626:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11628:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11629:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11630:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11631:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11632:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11634:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11636:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11638:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11639:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11641:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11642:
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mmap kernel/fork.c:601 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] dup_mm kernel/fork.c:1200 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_mm kernel/fork.c:1255 [inline]
#0: (&dup_mmap_sem){.+.+}, at: [<ffffffff81307c52>] copy_process.part.0+0x4392/0x71c0 kernel/fork.c:1791
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mmap kernel/fork.c:602 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] dup_mm kernel/fork.c:1200 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_mm kernel/fork.c:1255 [inline]
#1: (&mm->mmap_sem){++++}, at: [<ffffffff81307c6e>] copy_process.part.0+0x43ae/0x71c0 kernel/fork.c:1791
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mmap kernel/fork.c:611 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] dup_mm kernel/fork.c:1200 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_mm kernel/fork.c:1255 [inline]
#2: (&mm->mmap_sem/1){+.+.}, at: [<ffffffff81307ca8>] copy_process.part.0+0x43e8/0x71c0 kernel/fork.c:1791
3 locks held by syz-executor.5/11643:
---
This report 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 issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
May 12, 2022, 1:23:17 PM5/12/22
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.
Reply all
Reply to author
Forward
0 new messages