INFO: task kworker/0:10:14060 blocked for more than 143 seconds.
Not tainted 5.15.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:10 state:D stack:24328 pid:14060 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4969 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6250
schedule+0xd2/0x260 kernel/sched/core.c:6323
usb_kill_urb.part.0+0x19a/0x220 drivers/usb/core/urb.c:720
usb_kill_urb+0x7f/0xa0 drivers/usb/core/urb.c:715
usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153
hub_port_init+0x82e/0x2f10 drivers/usb/core/hub.c:4829
hub_port_connect drivers/usb/core/hub.c:5280 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
port_event drivers/usb/core/hub.c:5634 [inline]
hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5716
process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298
worker_thread+0x658/0x11f0 kernel/workqueue.c:2445
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8b983920 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6446
1 lock held by in:imklog/6186:
5 locks held by kworker/0:10/14060:
#0: ffff8880121e9d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880121e9d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880121e9d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff8880121e9d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff8880121e9d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff8880121e9d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2269
#1: ffffc9000aeefdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2273
#2: ffff88801e129220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff88801e129220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5662
#3: ffff88801e12c5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3086 [inline]
#3: ffff88801e12c5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5279 [inline]
#3: ffff88801e12c5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
#3: ffff88801e12c5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5634 [inline]
#3: ffff88801e12c5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5716
#4: ffff888019a21f68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2f10 drivers/usb/core/hub.c:4703
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:295
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2934 Comm: systemd-journal Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:validate_chain kernel/locking/lockdep.c:3756 [inline]
RIP: 0010:__lock_acquire+0xc74/0x54a0 kernel/locking/lockdep.c:5015
Code: c1 10 44 89 fe 31 c8 89 c1 29 c2 44 01 f8 c1 c9 0d 31 ca 01 d0 29 d6 89 d1 48 8b 54 24 38 c1 c1 04 31 f1 48 c1 e1 20 48 09 c1 <48> c1 ea 03 48 b8 00 00 00 00 00 fc ff df 0f b6 04 02 49 89 cf 84
RSP: 0018:ffffc90002bffcb0 EFLAGS: 00000006
RAX: 00000000b4a771ac RBX: 00000000000028e0 RCX: 68af3ce7b4a771ac
RDX: ffff88807bfd6180 RSI: 00000000813dde70 RDI: ffffffff8fd43660
RBP: ffff88807bfd6182 R08: 0000000000000000 R09: ffffffff8fd3ba17
R10: fffffbfff1fa7742 R11: 0000000000000000 R12: ffff88807bfd6160
R13: ffff88807bfd5700 R14: 0000000000000001 R15: 00000000ffd70c99
FS: 00007f2564d338c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f25623d0050 CR3: 000000007f5f4000 CR4: 00000000003526f0
DR0: 000000000000000a DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5625 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
do_write_seqcount_begin_nested include/linux/seqlock.h:520 [inline]
do_write_seqcount_begin include/linux/seqlock.h:545 [inline]
vtime_user_exit+0xac/0x210 kernel/sched/cputime.c:719
__context_tracking_exit+0xb8/0xe0 kernel/context_tracking.c:160
user_exit_irqoff include/linux/context_tracking.h:47 [inline]
__enter_from_user_mode kernel/entry/common.c:22 [inline]
syscall_enter_from_user_mode+0x4c/0x70 kernel/entry/common.c:104
do_syscall_64+0x16/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f2563ffc2e3
Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 29 54 2b 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 0b c2 00 00 48 89 04 24
RSP: 002b:00007ffe1b90d548 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000561044fad1e0 RCX: 00007f2563ffc2e3
RDX: 0000000000000013 RSI: 00007ffe1b90d550 RDI: 0000000000000008
RBP: 00007ffe1b90d740 R08: 000000006184afb1 R09: 00007ffe1b949080
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe1b90d550
R13: 0000000000000001 R14: ffffffffffffffff R15: 0005d002e1dbc2d5
----------------
Code disassembly (best guess):
0: c1 10 44 rcll $0x44,(%rax)
3: 89 fe mov %edi,%esi
5: 31 c8 xor %ecx,%eax
7: 89 c1 mov %eax,%ecx
9: 29 c2 sub %eax,%edx
b: 44 01 f8 add %r15d,%eax
e: c1 c9 0d ror $0xd,%ecx
11: 31 ca xor %ecx,%edx
13: 01 d0 add %edx,%eax
15: 29 d6 sub %edx,%esi
17: 89 d1 mov %edx,%ecx
19: 48 8b 54 24 38 mov 0x38(%rsp),%rdx
1e: c1 c1 04 rol $0x4,%ecx
21: 31 f1 xor %esi,%ecx
23: 48 c1 e1 20 shl $0x20,%rcx
27: 48 09 c1 or %rax,%rcx
* 2a: 48 c1 ea 03 shr $0x3,%rdx <-- trapping instruction
2e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
35: fc ff df
38: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax
3c: 49 89 cf mov %rcx,%r15
3f: 84 .byte 0x84