INFO: task hung in tty_release_struct
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syzbot
Dec 16, 2022, 2:55:44 AM12/16/22
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=169952b7880000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=658cca96ecf17c178390
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/98c0bdb4abb3/disk-3f8a27f9.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ea228ff02669/vmlinux-3f8a27f9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+658cca...@syzkaller.appspotmail.com
systemd[1]: systemd-journald.service: Unit entered failed state.
systemd[1]: systemd-journald.service: Failed with result 'watchdog'.
systemd[1]: systemd-journald.service: Service has no hold-off time, scheduling restart.
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
INFO: task syz-executor.4:21347 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D28648 21347 8168 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
tty_release_struct+0xa9/0xe0 drivers/tty/tty_io.c:1623
tty_release+0xc70/0x1210 drivers/tty/tty_io.c:1784
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f9b4b62ff8b
Code: Bad RIP value.
RSP: 002b:00007ffff5e80a90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 00007f9b4b62ff8b
RDX: 0000001b30d20000 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007f9b4b79f980 R08: 0000000000000000 R09: 0000005e5cc27c01
R10: 0016bebdc7f40bc6 R11: 0000000000000293 R12: 00000000000590d9
R13: 00007ffff5e80b90 R14: 00007ffff5e80bb0 R15: 0000000000000032
INFO: task syz-executor.4:21366 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D28792 21366 8168 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
tty_release_struct+0xa9/0xe0 drivers/tty/tty_io.c:1623
tty_release+0xc70/0x1210 drivers/tty/tty_io.c:1784
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f9b4b67e0d9
Code: Bad RIP value.
RSP: 002b:00007f9b49bae168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f9b4b79e120 RCX: 00007f9b4b67e0d9
RDX: 00000000200005c0 RSI: 0000000000004b67 RDI: 0000000000000007
RBP: 00007f9b4b6d9ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffff5e80a2f R14: 00007f9b49bae300 R15: 0000000000022000
INFO: task syz-executor.0:21413 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D29368 21413 8148 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
tty_open_by_driver drivers/tty/tty_io.c:1945 [inline]
tty_open+0x387/0x990 drivers/tty/tty_io.c:2029
chrdev_open+0x266/0x770 fs/char_dev.c:423
do_dentry_open+0x4aa/0x1160 fs/open.c:796
do_last fs/namei.c:3421 [inline]
path_openat+0x793/0x2df0 fs/namei.c:3537
do_filp_open+0x18c/0x3f0 fs/namei.c:3567
do_sys_open+0x3b3/0x520 fs/open.c:1085
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f32b1a93264
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f32b0052ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f32b1c00f80 RCX: 00007f32b1a93264
RDX: 0000000000000002 RSI: 00007f32b0052d40 RDI: 00000000ffffff9c
RBP: 00007f32b0052d40 R08: 0000000000000000 R09: 000000000000000e
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 00007fff0e9b69df R14: 00007f32b0053300 R15: 0000000000022000
INFO: task syz-executor.3:21433 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D29368 21433 8196 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
tty_open_by_driver drivers/tty/tty_io.c:1945 [inline]
tty_open+0x387/0x990 drivers/tty/tty_io.c:2029
chrdev_open+0x266/0x770 fs/char_dev.c:423
do_dentry_open+0x4aa/0x1160 fs/open.c:796
do_last fs/namei.c:3421 [inline]
path_openat+0x793/0x2df0 fs/namei.c:3537
do_filp_open+0x18c/0x3f0 fs/namei.c:3567
do_sys_open+0x3b3/0x520 fs/open.c:1085
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f8405613264
Code: Bad RIP value.
RSP: 002b:00007f8403bd2ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8405780f80 RCX: 00007f8405613264
RDX: 0000000000000002 RSI: 00007f8403bd2d40 RDI: 00000000ffffff9c
RBP: 00007f8403bd2d40 R08: 0000000000000000 R09: 000000000000000e
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 00007ffc90b30d9f R14: 00007f8403bd3300 R15: 0000000000022000
Showing all locks held in the system:
2 locks held by systemd/1:
1 lock held by kthreadd/2:
3 locks held by kworker/u4:2/37:
2 locks held by kworker/1:1/52:
#0: 00000000212875aa ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 00000000b0c48e6a ((work_completion)(&cgrp->release_agent_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
1 lock held by khungtaskd/1571:
#0: 0000000004de7041 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
3 locks held by kworker/0:2/3686:
3 locks held by kworker/1:2/4695:
#0: 00000000212875aa ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 0000000081c9339b ((linkwatch_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000002f913c6a (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:236
1 lock held by systemd-timesyn/6165:
1 lock held by in:imklog/7806:
#0: 0000000023cff9b0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
2 locks held by agetty/7820:
#0: 00000000c55c48f0 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272
#1: 000000000cad379f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154
3 locks held by sshd/8113:
1 lock held by syz-fuzzer/8144:
4 locks held by syz-executor.5/8155:
#0: 00000000035fb8c2 (&hdev->req_lock){+.+.}, at: hci_dev_do_close+0x122/0x1020 net/bluetooth/hci_core.c:1629
#1: 00000000627af1a2 (&hdev->lock){+.+.}, at: hci_dev_do_close+0x343/0x1020 net/bluetooth/hci_core.c:1674
#2: 00000000657f1ae1 (hci_cb_list_lock){+.+.}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1260 [inline]
#2: 00000000657f1ae1 (hci_cb_list_lock){+.+.}, at: hci_conn_hash_flush+0xda/0x260 net/bluetooth/hci_conn.c:1512
#3: 000000001c1868f4 (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline]
#3: 000000001c1868f4 (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x4dc/0x6f0 kernel/rcu/tree_exp.h:667
1 lock held by syz-executor.2/8171:
3 locks held by kworker/0:3/9352:
#0: 00000000212875aa ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 000000009dcb8847 (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000002f913c6a (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150
2 locks held by kworker/1:3/9354:
#0: 00000000533812e6 ((wq_completion)"rcu_gp"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 0000000010aba775 ((work_completion)(&rew.rew_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
4 locks held by kworker/u4:8/10875:
3 locks held by kworker/u4:10/15591:
3 locks held by syz-executor.1/21353:
1 lock held by syz-executor.4/21347:
#0: 000000009e5c8db4 (tty_mutex){+.+.}, at: tty_release_struct+0xa9/0xe0 drivers/tty/tty_io.c:1623
2 locks held by syz-executor.4/21363:
1 lock held by syz-executor.4/21366:
#0: 000000009e5c8db4 (tty_mutex){+.+.}, at: tty_release_struct+0xa9/0xe0 drivers/tty/tty_io.c:1623
1 lock held by syz-executor.0/21413:
#0: 000000009e5c8db4 (tty_mutex){+.+.}, at: tty_open_by_driver drivers/tty/tty_io.c:1945 [inline]
#0: 000000009e5c8db4 (tty_mutex){+.+.}, at: tty_open+0x387/0x990 drivers/tty/tty_io.c:2029
1 lock held by syz-executor.0/21418:
1 lock held by syz-executor.3/21433:
#0: 000000009e5c8db4 (tty_mutex){+.+.}, at: tty_open_by_driver drivers/tty/tty_io.c:1945 [inline]
#0: 000000009e5c8db4 (tty_mutex){+.+.}, at: tty_open+0x387/0x990 drivers/tty/tty_io.c:2029
3 locks held by syz-executor.3/21434:
3 locks held by kworker/u4:12/21449:
2 locks held by kworker/u4:13/21450:
1 lock held by (d-rfkill)/21452:
1 lock held by kworker/u4:9/21454:
2 locks held by kworker/u4:2/21455:
1 lock held by kworker/u4:10/21457:
1 lock held by kworker/u4:0/21459:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
watchdog+0x991/0xe60 kernel/hung_task.c:287
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 21434 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__lock_release kernel/locking/lockdep.c:3704 [inline]
RIP: 0010:lock_release+0x304/0x8b0 kernel/locking/lockdep.c:3927
Code: 09 80 fa 03 0f 8e a4 03 00 00 66 83 68 22 10 66 f7 40 22 f0 ff 0f 85 bd 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 8b 4c 24 08 <8b> 6c 24 38 48 c1 e9 03 0f b6 14 11 84 d2 74 09 80 fa 03 0f 8e 1c
RSP: 0018:ffff8880ba007578 EFLAGS: 00000046
RAX: ffff888048bba9d8 RBX: ffffffff8d243760 RCX: ffff888048bba980
RDX: dffffc0000000000 RSI: ffff8880ba024cd8 RDI: ffff888048bba9fa
RBP: ffff8880ba024cd8 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff8c66501b R12: 1ffff11017400eb2
R13: ffffffff81542f37 R14: ffff888048bba100 R15: 0000000000000003
FS: 00007f8403bb2700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f88d1e839f9 CR3: 0000000099f9e000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:158 [inline]
_raw_spin_unlock_irqrestore+0x1b/0xe0 kernel/locking/spinlock.c:184
__run_hrtimer kernel/time/hrtimer.c:1463 [inline]
__hrtimer_run_queues+0x397/0xe60 kernel/time/hrtimer.c:1527
hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1585
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline]
smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:lock_acquire+0x1ec/0x3c0 kernel/locking/lockdep.c:3911
Code: 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 b7 01 00 00 48 83 3d 09 2e a6 08 00 0f 84 2a 01 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b
RSP: 0018:ffff8880ba0078f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3051 RBX: ffff888048bba100 RCX: 6ef1e41ac93df87f
RDX: dffffc0000000000 RSI: 000000009004fc4c RDI: 0000000000000286
RBP: ffffffff89f85fa0 R08: 00000000594ea6fa R09: 0000000000000001
R10: ffff888048bba9b0 R11: 0000000000074071 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
is_bpf_text_address+0x36/0x1b0 kernel/bpf/core.c:546
kernel_text_address kernel/extable.c:152 [inline]
kernel_text_address+0xbd/0xf0 kernel/extable.c:122
__kernel_text_address+0x9/0x30 kernel/extable.c:107
unwind_get_return_address arch/x86/kernel/unwind_orc.c:297 [inline]
unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:292
__save_stack_trace+0xaf/0x190 arch/x86/kernel/stacktrace.c:45
save_stack mm/kasan/kasan.c:448 [inline]
set_track mm/kasan/kasan.c:460 [inline]
kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553
kmem_cache_alloc_node+0x146/0x3b0 mm/slab.c:3649
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:qlink_free mm/kasan/quarantine.c:150 [inline]
RIP: 0010:qlist_free_all+0xfc/0x140 mm/kasan/quarantine.c:166
Code: 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 4c 8b 70 18 e9 40 ff ff ff e8 a3 36 cf ff 48 83 3d e3 0f 59 08 00 74 38 4c 89 ff 57 9d <0f> 1f 44 00 00 4d 85 e4 75 9e 49 c7 45 08 00 00 00 00 49 c7 45 00
RSP: 0018:ffff88804f1d79d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: ffff88808c4cfa80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888048bba988 RDI: 0000000000000286
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888046db9580
R13: ffff88804f1d7a10 R14: ffff8880b5b8fd80 R15: 0000000000000286
quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259
kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538
slab_post_alloc_hook mm/slab.h:445 [inline]
slab_alloc mm/slab.c:3397 [inline]
kmem_cache_alloc_trace+0x11a/0x380 mm/slab.c:3623
kmalloc include/linux/slab.h:515 [inline]
kzalloc include/linux/slab.h:709 [inline]
apparmor_sk_alloc_security+0x5c/0xe0 security/apparmor/lsm.c:769
security_sk_alloc+0x50/0xb0 security/security.c:1469
sk_prot_alloc+0xf1/0x2d0 net/core/sock.c:1486
sk_alloc+0x36/0xec0 net/core/sock.c:1537
inet_create net/ipv4/af_inet.c:321 [inline]
inet_create+0x369/0xdf0 net/ipv4/af_inet.c:247
__sock_create+0x3d8/0x740 net/socket.c:1365
sock_create net/socket.c:1416 [inline]
__sys_socket+0xef/0x200 net/socket.c:1458
__do_sys_socket net/socket.c:1467 [inline]
__se_sys_socket net/socket.c:1465 [inline]
__x64_sys_socket+0x6f/0xb0 net/socket.c:1465
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f84056610d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8403bb2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f8405781050 RCX: 00007f84056610d9
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002
RBP: 00007f84056bcae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc90b30d9f R14: 00007f8403bb2300 R15: 0000000000022000
---
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: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=169952b7880000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=658cca96ecf17c178390
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/98c0bdb4abb3/disk-3f8a27f9.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ea228ff02669/vmlinux-3f8a27f9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+658cca...@syzkaller.appspotmail.com
systemd[1]: systemd-journald.service: Unit entered failed state.
systemd[1]: systemd-journald.service: Failed with result 'watchdog'.
systemd[1]: systemd-journald.service: Service has no hold-off time, scheduling restart.
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
INFO: task syz-executor.4:21347 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D28648 21347 8168 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
tty_release_struct+0xa9/0xe0 drivers/tty/tty_io.c:1623
tty_release+0xc70/0x1210 drivers/tty/tty_io.c:1784
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f9b4b62ff8b
Code: Bad RIP value.
RSP: 002b:00007ffff5e80a90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 00007f9b4b62ff8b
RDX: 0000001b30d20000 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007f9b4b79f980 R08: 0000000000000000 R09: 0000005e5cc27c01
R10: 0016bebdc7f40bc6 R11: 0000000000000293 R12: 00000000000590d9
R13: 00007ffff5e80b90 R14: 00007ffff5e80bb0 R15: 0000000000000032
INFO: task syz-executor.4:21366 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D28792 21366 8168 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
tty_release_struct+0xa9/0xe0 drivers/tty/tty_io.c:1623
tty_release+0xc70/0x1210 drivers/tty/tty_io.c:1784
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f9b4b67e0d9
Code: Bad RIP value.
RSP: 002b:00007f9b49bae168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f9b4b79e120 RCX: 00007f9b4b67e0d9
RDX: 00000000200005c0 RSI: 0000000000004b67 RDI: 0000000000000007
RBP: 00007f9b4b6d9ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffff5e80a2f R14: 00007f9b49bae300 R15: 0000000000022000
INFO: task syz-executor.0:21413 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D29368 21413 8148 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
tty_open_by_driver drivers/tty/tty_io.c:1945 [inline]
tty_open+0x387/0x990 drivers/tty/tty_io.c:2029
chrdev_open+0x266/0x770 fs/char_dev.c:423
do_dentry_open+0x4aa/0x1160 fs/open.c:796
do_last fs/namei.c:3421 [inline]
path_openat+0x793/0x2df0 fs/namei.c:3537
do_filp_open+0x18c/0x3f0 fs/namei.c:3567
do_sys_open+0x3b3/0x520 fs/open.c:1085
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f32b1a93264
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f32b0052ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f32b1c00f80 RCX: 00007f32b1a93264
RDX: 0000000000000002 RSI: 00007f32b0052d40 RDI: 00000000ffffff9c
RBP: 00007f32b0052d40 R08: 0000000000000000 R09: 000000000000000e
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 00007fff0e9b69df R14: 00007f32b0053300 R15: 0000000000022000
INFO: task syz-executor.3:21433 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D29368 21433 8196 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
tty_open_by_driver drivers/tty/tty_io.c:1945 [inline]
tty_open+0x387/0x990 drivers/tty/tty_io.c:2029
chrdev_open+0x266/0x770 fs/char_dev.c:423
do_dentry_open+0x4aa/0x1160 fs/open.c:796
do_last fs/namei.c:3421 [inline]
path_openat+0x793/0x2df0 fs/namei.c:3537
do_filp_open+0x18c/0x3f0 fs/namei.c:3567
do_sys_open+0x3b3/0x520 fs/open.c:1085
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f8405613264
Code: Bad RIP value.
RSP: 002b:00007f8403bd2ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8405780f80 RCX: 00007f8405613264
RDX: 0000000000000002 RSI: 00007f8403bd2d40 RDI: 00000000ffffff9c
RBP: 00007f8403bd2d40 R08: 0000000000000000 R09: 000000000000000e
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 00007ffc90b30d9f R14: 00007f8403bd3300 R15: 0000000000022000
Showing all locks held in the system:
2 locks held by systemd/1:
1 lock held by kthreadd/2:
3 locks held by kworker/u4:2/37:
2 locks held by kworker/1:1/52:
#0: 00000000212875aa ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 00000000b0c48e6a ((work_completion)(&cgrp->release_agent_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
1 lock held by khungtaskd/1571:
#0: 0000000004de7041 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
3 locks held by kworker/0:2/3686:
3 locks held by kworker/1:2/4695:
#0: 00000000212875aa ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 0000000081c9339b ((linkwatch_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000002f913c6a (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:236
1 lock held by systemd-timesyn/6165:
1 lock held by in:imklog/7806:
#0: 0000000023cff9b0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
2 locks held by agetty/7820:
#0: 00000000c55c48f0 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272
#1: 000000000cad379f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154
3 locks held by sshd/8113:
1 lock held by syz-fuzzer/8144:
4 locks held by syz-executor.5/8155:
#0: 00000000035fb8c2 (&hdev->req_lock){+.+.}, at: hci_dev_do_close+0x122/0x1020 net/bluetooth/hci_core.c:1629
#1: 00000000627af1a2 (&hdev->lock){+.+.}, at: hci_dev_do_close+0x343/0x1020 net/bluetooth/hci_core.c:1674
#2: 00000000657f1ae1 (hci_cb_list_lock){+.+.}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1260 [inline]
#2: 00000000657f1ae1 (hci_cb_list_lock){+.+.}, at: hci_conn_hash_flush+0xda/0x260 net/bluetooth/hci_conn.c:1512
#3: 000000001c1868f4 (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline]
#3: 000000001c1868f4 (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x4dc/0x6f0 kernel/rcu/tree_exp.h:667
1 lock held by syz-executor.2/8171:
3 locks held by kworker/0:3/9352:
#0: 00000000212875aa ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 000000009dcb8847 (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000002f913c6a (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150
2 locks held by kworker/1:3/9354:
#0: 00000000533812e6 ((wq_completion)"rcu_gp"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 0000000010aba775 ((work_completion)(&rew.rew_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
4 locks held by kworker/u4:8/10875:
3 locks held by kworker/u4:10/15591:
3 locks held by syz-executor.1/21353:
1 lock held by syz-executor.4/21347:
#0: 000000009e5c8db4 (tty_mutex){+.+.}, at: tty_release_struct+0xa9/0xe0 drivers/tty/tty_io.c:1623
2 locks held by syz-executor.4/21363:
1 lock held by syz-executor.4/21366:
#0: 000000009e5c8db4 (tty_mutex){+.+.}, at: tty_release_struct+0xa9/0xe0 drivers/tty/tty_io.c:1623
1 lock held by syz-executor.0/21413:
#0: 000000009e5c8db4 (tty_mutex){+.+.}, at: tty_open_by_driver drivers/tty/tty_io.c:1945 [inline]
#0: 000000009e5c8db4 (tty_mutex){+.+.}, at: tty_open+0x387/0x990 drivers/tty/tty_io.c:2029
1 lock held by syz-executor.0/21418:
1 lock held by syz-executor.3/21433:
#0: 000000009e5c8db4 (tty_mutex){+.+.}, at: tty_open_by_driver drivers/tty/tty_io.c:1945 [inline]
#0: 000000009e5c8db4 (tty_mutex){+.+.}, at: tty_open+0x387/0x990 drivers/tty/tty_io.c:2029
3 locks held by syz-executor.3/21434:
3 locks held by kworker/u4:12/21449:
2 locks held by kworker/u4:13/21450:
1 lock held by (d-rfkill)/21452:
1 lock held by kworker/u4:9/21454:
2 locks held by kworker/u4:2/21455:
1 lock held by kworker/u4:10/21457:
1 lock held by kworker/u4:0/21459:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
watchdog+0x991/0xe60 kernel/hung_task.c:287
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 21434 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:__lock_release kernel/locking/lockdep.c:3704 [inline]
RIP: 0010:lock_release+0x304/0x8b0 kernel/locking/lockdep.c:3927
Code: 09 80 fa 03 0f 8e a4 03 00 00 66 83 68 22 10 66 f7 40 22 f0 ff 0f 85 bd 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 8b 4c 24 08 <8b> 6c 24 38 48 c1 e9 03 0f b6 14 11 84 d2 74 09 80 fa 03 0f 8e 1c
RSP: 0018:ffff8880ba007578 EFLAGS: 00000046
RAX: ffff888048bba9d8 RBX: ffffffff8d243760 RCX: ffff888048bba980
RDX: dffffc0000000000 RSI: ffff8880ba024cd8 RDI: ffff888048bba9fa
RBP: ffff8880ba024cd8 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff8c66501b R12: 1ffff11017400eb2
R13: ffffffff81542f37 R14: ffff888048bba100 R15: 0000000000000003
FS: 00007f8403bb2700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f88d1e839f9 CR3: 0000000099f9e000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:158 [inline]
_raw_spin_unlock_irqrestore+0x1b/0xe0 kernel/locking/spinlock.c:184
__run_hrtimer kernel/time/hrtimer.c:1463 [inline]
__hrtimer_run_queues+0x397/0xe60 kernel/time/hrtimer.c:1527
hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1585
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline]
smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:lock_acquire+0x1ec/0x3c0 kernel/locking/lockdep.c:3911
Code: 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 b7 01 00 00 48 83 3d 09 2e a6 08 00 0f 84 2a 01 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b
RSP: 0018:ffff8880ba0078f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff13e3051 RBX: ffff888048bba100 RCX: 6ef1e41ac93df87f
RDX: dffffc0000000000 RSI: 000000009004fc4c RDI: 0000000000000286
RBP: ffffffff89f85fa0 R08: 00000000594ea6fa R09: 0000000000000001
R10: ffff888048bba9b0 R11: 0000000000074071 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:627 [inline]
is_bpf_text_address+0x36/0x1b0 kernel/bpf/core.c:546
kernel_text_address kernel/extable.c:152 [inline]
kernel_text_address+0xbd/0xf0 kernel/extable.c:122
__kernel_text_address+0x9/0x30 kernel/extable.c:107
unwind_get_return_address arch/x86/kernel/unwind_orc.c:297 [inline]
unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:292
__save_stack_trace+0xaf/0x190 arch/x86/kernel/stacktrace.c:45
save_stack mm/kasan/kasan.c:448 [inline]
set_track mm/kasan/kasan.c:460 [inline]
kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553
kmem_cache_alloc_node+0x146/0x3b0 mm/slab.c:3649
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:qlink_free mm/kasan/quarantine.c:150 [inline]
RIP: 0010:qlist_free_all+0xfc/0x140 mm/kasan/quarantine.c:166
Code: 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 4c 8b 70 18 e9 40 ff ff ff e8 a3 36 cf ff 48 83 3d e3 0f 59 08 00 74 38 4c 89 ff 57 9d <0f> 1f 44 00 00 4d 85 e4 75 9e 49 c7 45 08 00 00 00 00 49 c7 45 00
RSP: 0018:ffff88804f1d79d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: ffff88808c4cfa80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888048bba988 RDI: 0000000000000286
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888046db9580
R13: ffff88804f1d7a10 R14: ffff8880b5b8fd80 R15: 0000000000000286
quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259
kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538
slab_post_alloc_hook mm/slab.h:445 [inline]
slab_alloc mm/slab.c:3397 [inline]
kmem_cache_alloc_trace+0x11a/0x380 mm/slab.c:3623
kmalloc include/linux/slab.h:515 [inline]
kzalloc include/linux/slab.h:709 [inline]
apparmor_sk_alloc_security+0x5c/0xe0 security/apparmor/lsm.c:769
security_sk_alloc+0x50/0xb0 security/security.c:1469
sk_prot_alloc+0xf1/0x2d0 net/core/sock.c:1486
sk_alloc+0x36/0xec0 net/core/sock.c:1537
inet_create net/ipv4/af_inet.c:321 [inline]
inet_create+0x369/0xdf0 net/ipv4/af_inet.c:247
__sock_create+0x3d8/0x740 net/socket.c:1365
sock_create net/socket.c:1416 [inline]
__sys_socket+0xef/0x200 net/socket.c:1458
__do_sys_socket net/socket.c:1467 [inline]
__se_sys_socket net/socket.c:1465 [inline]
__x64_sys_socket+0x6f/0xb0 net/socket.c:1465
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f84056610d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8403bb2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f8405781050 RCX: 00007f84056610d9
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002
RBP: 00007f84056bcae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc90b30d9f R14: 00007f8403bb2300 R15: 0000000000022000
---
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syzbot
Apr 15, 2023, 3:55:40 AM4/15/23
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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