INFO: task kworker/1:0:23 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller-01727-gab27740f7665 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D stack:27088 pid:23 tgid:23 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6816
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
INFO: task syz-executor914:5065 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller-01727-gab27740f7665 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor914 state:D stack:27352 pid:5065 tgid:5065 ppid:5063 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6816
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
device_lock include/linux/device.h:992 [inline]
usbdev_release+0x87/0x470 drivers/usb/core/devio.c:1096
__fput+0x270/0xb70 fs/file_table.c:382
__fput_sync+0x47/0x50 fs/file_table.c:467
__do_sys_close fs/open.c:1554 [inline]
__se_sys_close fs/open.c:1539 [inline]
__x64_sys_close+0x87/0xf0 fs/open.c:1539
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: 0033:0x7f80ca52a5a0
RSP: 002b:00007ffc282e6e08 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f80ca52a5a0
RDX: 0000000000000007 RSI: 00007ffc282e6940 RDI: 0000000000000003
RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc282e6e70
R13: 00007ffc282e6e3c R14: 00007ffc282e6e50 R15: 00007ffc282e6e60
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-syzkaller-01727-gab27740f7665 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
__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
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4500 Comm: klogd Not tainted 6.7.0-syzkaller-01727-gab27740f7665 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:number+0x4ca/0xb80 lib/vsprintf.c:499
Code: 44 24 08 e9 99 fd ff ff e8 83 d7 12 f7 49 8d bc 24 20 b8 2e 8b 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 <48> 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 90 06 00 00 0f b6 44 24
RSP: 0018:ffffc900034777a8 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffffc90003477b89 RCX: ffffffff8a742ce0
RDX: 1ffffffff165d704 RSI: ffffffff8a742f9d RDI: ffffffff8b2eb826
RBP: 000000000000000a R08: 0000000000000006 R09: 000000000000000a
R10: 0000000000000006 R11: fffffffffffe1a08 R12: 0000000000000006
R13: 000000000000000a R14: ffffc90083477b87 R15: 0000000000000000
FS: 00007f027c863380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055cb24ed5600 CR3: 000000007c6d3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
vsnprintf+0x905/0x1870 lib/vsprintf.c:2890
sprintf+0xcd/0x100 lib/vsprintf.c:3028
print_syslog kernel/printk/printk.c:1317 [inline]
info_print_prefix+0x2e2/0x350 kernel/printk/printk.c:1347
record_print_text+0x143/0x410 kernel/printk/printk.c:1399
syslog_print+0x4e5/0x5d0 kernel/printk/printk.c:1610
do_syslog+0x2d4/0x580 kernel/printk/printk.c:1728
__do_sys_syslog kernel/printk/printk.c:1820 [inline]
__se_sys_syslog kernel/printk/printk.c:1818 [inline]
__x64_sys_syslog+0x74/0xb0 kernel/printk/printk.c:1818
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: 0033:0x7f027c9c4fa7
Code: 73 01 c3 48 8b 0d 81 ce 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ce 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffdb639f808 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007f027cb634a0 RCX: 00007f027c9c4fa7
RDX: 00000000000003ff RSI: 00007f027cb634a0 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000007 R09: 1f6777bc89353f2b
R10: 0000000000004000 R11: 0000000000000206 R12: 00007f027cb634a0
R13: 00007f027cb53212 R14: 00007f027cb63558 R15: 00007f027cb63558
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.982 msecs