INFO: task kworker/0:6:24002 blocked for more than 143 seconds.
      Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:6     state:D stack:22408 pid:24002 tgid:24002 ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6817
 usb_kill_urb.part.0+0x1c6/0x250 drivers/usb/core/urb.c:713
 usb_kill_urb+0x83/0xa0 drivers/usb/core/urb.c:702
 usb_start_wait_urb+0x251/0x4c0 drivers/usb/core/message.c:65
 usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
 usb_control_msg+0x327/0x4a0 drivers/usb/core/message.c:154
 get_bMaxPacketSize0.constprop.0+0xa5/0x1c0 drivers/usb/core/hub.c:4725
 hub_port_init+0x680/0x3820 drivers/usb/core/hub.c:4921
 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+0x2b61/0x4e10 drivers/usb/core/hub.c:5822
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x299/0x300 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+0xf87/0x1210 kernel/hung_task.c:379
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4492 Comm: syslogd Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:aa_file_perm+0x181/0x1000 security/apparmor/file.c:599
Code: 5d fd 45 85 f6 5a 0f 85 65 04 00 00 e8 58 22 5d fd 49 8d 7d 40 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 39 0d 00 00 4d 8b 75 40 e8 20 22 60 06 31 ff 41 89 c7 89 c6
RSP: 0018:ffffc9000312fb40 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 1ffff92000625f74 RCX: ffffffff842aee39
RDX: 1ffff110065cd4f0 RSI: ffffffff842aee48 RDI: ffff888032e6a780
RBP: ffff88807d08c280 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88801308bd00
R13: ffff888032e6a740 R14: 0000000000000000 R15: 0000000000000000
FS:  00007ffb4019d380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f7ea5ea0 CR3: 000000002e85b000 CR4: 00000000003506f0
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 common_file_perm security/apparmor/lsm.c:530 [inline]
 apparmor_file_permission+0x1ab/0x410 security/apparmor/lsm.c:544
 security_file_permission+0x6a/0xb0 security/security.c:2667
 rw_verify_area+0xb5/0x580 fs/read_write.c:377
 vfs_write+0x135/0xdf0 fs/read_write.c:581
 ksys_write+0x12f/0x250 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7ffb402f1bf2
Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffccd6fac98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffb402f1bf2
RDX: 0000000000000060 RSI: 00005610f5bd2c50 RDI: 0000000000000003
RBP: 00005610f5bd2c50 R08: 0000000000000001 R09: 0000000000000000
R10: 00007ffb404903a3 R11: 0000000000000246 R12: 0000000000000060
R13: 00007ffb4019d300 R14: 0000000000000004 R15: 00005610f5bd2a60
 </TASK>