INFO: task kworker/0:2:920 blocked for more than 143 seconds.
Not tainted 6.7.0-next-20240110-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:25792 pid:920 tgid:920 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf15/0x5c80 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe7/0x270 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:4750
hub_port_init+0x68c/0x39e0 drivers/usb/core/hub.c:4946
hub_port_connect drivers/usb/core/hub.c:5394 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5605 [inline]
port_event drivers/usb/core/hub.c:5765 [inline]
hub_event+0x2b61/0x4e10 drivers/usb/core/hub.c:5847
process_one_work+0x8a4/0x15f0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b6/0x1290 kernel/workqueue.c:2787
kthread+0x2c1/0x3a0 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: task syz-executor287:5066 blocked for more than 143 seconds.
Not tainted 6.7.0-next-20240110-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor287 state:D stack:27048 pid:5066 tgid:5066 ppid:5063 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf15/0x5c80 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe7/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b4/0x9c0 kernel/locking/mutex.c:752
device_lock include/linux/device.h:990 [inline]
usbdev_release+0x87/0x470 drivers/usb/core/devio.c:1096
__fput+0x270/0xb70 fs/file_table.c:376
__fput_sync+0x47/0x50 fs/file_table.c:461
__do_sys_close fs/open.c:1554 [inline]
__se_sys_close fs/open.c:1539 [inline]
__x64_sys_close+0x86/0xf0 fs/open.c:1539
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd0/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f946f0cf0e0
RSP: 002b:00007ffde593baf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f946f0cf0e0
RDX: 0000000000000007 RSI: 00007ffde593b630 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000f4240
R13: 00007ffde593bda8 R14: 0000000000000001 R15: 00007ffde593bb40
</TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-next-20240110-syzkaller #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+0xf86/0x1210 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1085 Comm: kworker/u4:7 Not tainted 6.7.0-next-20240110-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:text_poke_memcpy+0x23/0x30 arch/x86/kernel/alternative.c:1847
Code: 1f 84 00 00 00 00 00 f3 0f 1e fa 41 54 49 89 d4 55 48 89 f5 53 48 89 fb e8 fa 4d 58 00 4c 89 e2 48 89 ee 48 89 df 5b 5d 41 5c <e9> 98 2c 60 09 0f 1f 84 00 00 00 00 00 41 57 41 56 4d 89 c6 41 55
RSP: 0018:ffffc90005257990 EFLAGS: 00000093
RAX: 0000000000000000 RBX: ffff888013084558 RCX: ffffffff812fed80
RDX: 0000000000000001 RSI: ffffc90005257af0 RDI: 00002aaaaaaab53c
RBP: ffffffff81d6153c R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000053d
R13: ffffffff8f3b3398 R14: ffffffff8d326480 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555bd2829600 CR3: 0000000013074000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<TASK>
__text_poke+0x461/0xca0 arch/x86/kernel/alternative.c:1924
text_poke_bp_batch+0x1cd/0x750 arch/x86/kernel/alternative.c:2293
text_poke_flush arch/x86/kernel/alternative.c:2487 [inline]
text_poke_flush arch/x86/kernel/alternative.c:2484 [inline]
text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2494
arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
jump_label_update+0x1d7/0x400 kernel/jump_label.c:829
static_key_disable_cpuslocked+0x154/0x1c0 kernel/jump_label.c:235
static_key_disable+0x1a/0x20 kernel/jump_label.c:243
toggle_allocation_gate mm/kfence/core.c:831 [inline]
toggle_allocation_gate+0x13f/0x250 mm/kfence/core.c:818
process_one_work+0x8a4/0x15f0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b6/0x1290 kernel/workqueue.c:2787
kthread+0x2c1/0x3a0 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: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.937 msecs