INFO: task kworker/0:4:5048 blocked for more than 143 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4     state:D stack:24584 pid:5048  ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x18bd/0x4910 kernel/sched/core.c:6695
 schedule+0xbf/0x180 kernel/sched/core.c:6771
 usb_kill_urb+0x1c5/0x300 drivers/usb/core/urb.c:713
 usb_start_wait_urb+0x1ac/0x510 drivers/usb/core/message.c:65
 usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
 usb_control_msg+0x2ad/0x4c0 drivers/usb/core/message.c:154
 get_bMaxPacketSize0 drivers/usb/core/hub.c:4725 [inline]
 hub_port_init+0x107b/0x2480 drivers/usb/core/hub.c:4986
 hub_port_connect drivers/usb/core/hub.c:5369 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5580 [inline]
 port_event drivers/usb/core/hub.c:5740 [inline]
 hub_event+0x2a34/0x5030 drivers/usb/core/hub.c:5822
 process_one_work+0x775/0x1110 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0xabb/0x1060 kernel/workqueue.c:2784
 kthread+0x2b0/0x340 kernel/kthread.c:388
 ret_from_fork+0x44/0x70 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x494/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x194/0x2f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xded/0xe30 kernel/hung_task.c:379
 kthread+0x2b0/0x340 kernel/kthread.c:388
 ret_from_fork+0x44/0x70 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5389 Comm: syz-executor.0 Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:19 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:127 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xa1/0x130 kernel/locking/spinlock.c:194
Code: df e8 e3 5e a6 f6 41 f7 c7 00 02 00 00 74 05 e8 c5 6c cc f6 4c 89 f3 48 c1 eb 03 42 80 3c 23 00 74 08 4c 89 f7 e8 bf f7 21 f7 <48> c7 44 24 20 00 00 00 00 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c
RSP: 0018:ffffc900051079c0 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffff92000a20f3c RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff92098c18
RBP: ffffc90005107a50 R08: ffffffff92098c1b R09: 1ffffffff2413183
R10: dffffc0000000000 R11: fffffbfff2413184 R12: dffffc0000000000
R13: 1ffff92000a20f38 R14: ffffc900051079e0 R15: 0000000000000046
FS:  0000555555a70480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe1a6e39f60 CR3: 0000000074e5d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 debug_object_activate+0x3c0/0x530 lib/debugobjects.c:745
 debug_hrtimer_activate kernel/time/hrtimer.c:422 [inline]
 debug_activate kernel/time/hrtimer.c:477 [inline]
 enqueue_hrtimer+0x30/0x310 kernel/time/hrtimer.c:1087
 __hrtimer_start_range_ns kernel/time/hrtimer.c:1261 [inline]
 hrtimer_start_range_ns+0xa9c/0xc50 kernel/time/hrtimer.c:1301
 hrtimer_start_expires include/linux/hrtimer.h:432 [inline]
 hrtimer_sleeper_start_expires kernel/time/hrtimer.c:1968 [inline]
 do_nanosleep+0x144/0x600 kernel/time/hrtimer.c:2044
 hrtimer_nanosleep+0x222/0x460 kernel/time/hrtimer.c:2100
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1396 [inline]
 __se_sys_clock_nanosleep+0x323/0x3b0 kernel/time/posix-timers.c:1373
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe1a60a7ef5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 b9 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f ba ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffcfd805570 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 000000000000037b RCX: 00007fe1a60a7ef5
RDX: 00007ffcfd8055b0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffcfd80563c R08: 0000000000000000 R09: 00007ffcfd9ac0b0
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 0000000000038aa2 R14: 0000000000038a95 R15: 0000000000000003
 </TASK>