INFO: task kworker/1:0:25 blocked for more than 143 seconds.
Not tainted 6.12.0-rc2-next-20241008-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D stack:20720 pid:25 tgid:25 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
chaoskey_disconnect+0xb2/0x270 drivers/usb/misc/chaoskey.c:235
usb_unbind_interface+0x25e/0x940 drivers/usb/core/driver.c:461
device_remove drivers/base/dd.c:569 [inline]
__device_release_driver drivers/base/dd.c:1273 [inline]
device_release_driver_internal+0x503/0x7c0 drivers/base/dd.c:1296
bus_remove_device+0x34f/0x420 drivers/base/bus.c:576
device_del+0x57a/0x9b0 drivers/base/core.c:3864
usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1418
usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2304
hub_port_connect drivers/usb/core/hub.c:5361 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x1ebc/0x5150 drivers/usb/core/hub.c:5903
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz.4.239:6966 blocked for more than 144 seconds.
Not tainted 6.12.0-rc2-next-20241008-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.239 state:D stack:26224 pid:6966 tgid:6965 ppid:6451 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6774
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
chaoskey_release+0x169/0x2f0 drivers/usb/misc/chaoskey.c:322
__fput+0x23f/0x880 fs/file_table.c:431
task_work_run+0x24f/0x310 kernel/task_work.c:228
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9c1897dff9
RSP: 002b:00007f9c1979f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffed RBX: 00007f9c18b35f80 RCX: 00007f9c1897dff9
RDX: 0000000000000080 RSI: 0000000020000200 RDI: 0000000000000006
RBP: 00007f9c189f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9c18b35f80 R15: 00007ffcd7c29d88
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc2-next-20241008-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xff4/0x1040 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5472 Comm: kworker/u8:10 Not tainted 6.12.0-rc2-next-20241008-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:kasan_check_range+0x1b8/0x290 mm/kasan/generic.c:189
Code: 4d 01 fb 48 8d 5d 07 48 85 ed 48 0f 49 dd 48 83 e3 f8 48 29 dd 74 12 41 80 3b 00 0f 85 a6 00 00 00 49 ff c3 48 ff cd 75 ee 5b <41> 5c 41 5e 41 5f 5d c3 cc cc cc cc 40 84 ed 75 5f f7 c5 00 ff 00
RSP: 0018:ffffc90000a18a58 EFLAGS: 00000056
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81708170
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff901d3f28
RBP: 0000000000000000 R08: ffffffff901d3f2f R09: 1ffffffff203a7e5
R10: dffffc0000000000 R11: fffffbfff203a7e6 R12: 1ffff9200014315c
R13: ffffffff8181f750 R14: dffffc0000000001 R15: fffffbfff203a7e6
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020278000 CR3: 0000000030f34000 CR4: 00000000003526f0
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
cpumask_test_cpu include/linux/cpumask.h:570 [inline]
cpu_online include/linux/cpumask.h:1117 [inline]
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0xb0/0xa30 kernel/locking/lockdep.c:5836
call_timer_fn+0x24a/0x650 kernel/time/timer.c:1796
expire_timers kernel/time/timer.c:1839 [inline]
__run_timers kernel/time/timer.c:2418 [inline]
__run_timer_base+0x695/0x8e0 kernel/time/timer.c:2429
run_timer_base kernel/time/timer.c:2438 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2448
handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:2042 [inline]
RIP: 0010:vprintk_emit+0x700/0xa10 kernel/printk/printk.c:2406
Code: 00 e8 d4 ca 20 00 4c 8d bc 24 a0 00 00 00 4d 85 e4 75 07 e8 c2 ca 20 00 eb 06 e8 bb ca 20 00 fb 49 bc 00 00 00 00 00 fc ff df <48> c7 c7 e0 33 81 8e 31 f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00
RSP: 0018:ffffc900042af7a0 EFLAGS: 00000293
RAX: ffffffff81742995 RBX: 0000000000000000 RCX: ffff88802e5f1e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900042af8b0 R08: ffffffff8174296e R09: 1ffffffff203a7e5
R10: dffffc0000000000 R11: fffffbfff203a7e6 R12: dffffc0000000000
R13: 1ffff92000855ef8 R14: ffffffff817427d0 R15: ffffc900042af840
_printk+0xd5/0x120 kernel/printk/printk.c:2432
ieee80211_sta_find_ibss net/mac80211/ibss.c:1449 [inline]
ieee80211_ibss_work+0xddd/0x14c0 net/mac80211/ibss.c:1668
cfg80211_wiphy_work+0x2db/0x490 net/wireless/core.c:440
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244