INFO: task syz-executor.4:5734 blocked for more than 143 seconds.
Not tainted 6.12.0-rc3-syzkaller-g4d939780b705 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:22736 pid:5734 tgid:5734 ppid:5542 flags:0x00000006
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_timeout+0xb0/0x310 kernel/time/timer.c:2591
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xa37/0xc50 kernel/workqueue.c:4217
__cancel_work_sync+0xbc/0x110 kernel/workqueue.c:4337
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xac/0x600 drivers/hid/uhid.c:662
__fput+0x23f/0x880 fs/file_table.c:431
__do_sys_close fs/open.c:1565 [inline]
__se_sys_close fs/open.c:1550 [inline]
__x64_sys_close+0x7f/0x110 fs/open.c:1550
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f76ab27cc9a
RSP: 002b:00007fff9d4c3670 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f76ab27cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000032 R08: 0000001b2db60000 R09: 00007f76ab3abf8c
R10: 00007fff9d4c37c0 R11: 0000000000000293 R12: 00007f76aae003c0
R13: ffffffffffffffff R14: 00007f76aae00000 R15: 00000000000146d9
INFO: task syz-executor.2:5749 blocked for more than 143 seconds.
Not tainted 6.12.0-rc3-syzkaller-g4d939780b705 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:23808 pid:5749 tgid:5749 ppid:5545 flags:0x00000006
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_timeout+0xb0/0x310 kernel/time/timer.c:2591
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xa37/0xc50 kernel/workqueue.c:4217
__cancel_work_sync+0xbc/0x110 kernel/workqueue.c:4337
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xac/0x600 drivers/hid/uhid.c:662
__fput+0x23f/0x880 fs/file_table.c:431
__do_sys_close fs/open.c:1565 [inline]
__se_sys_close fs/open.c:1550 [inline]
__x64_sys_close+0x7f/0x110 fs/open.c:1550
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbcab27cc9a
RSP: 002b:00007ffce4ec0920 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbcab27cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000032 R08: 0000001b2dc60000 R09: 00007fbcab3abf8c
R10: 00007ffce4ec0a70 R11: 0000000000000293 R12: 00007fbcaae003c0
R13: ffffffffffffffff R14: 00007fbcaae00000 R15: 0000000000014be9
Showing all locks held in the system:
3 locks held by kworker/1:0/25:
1 lock held by khungtaskd/30:
#0: ffffffff8e937de0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937de0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937de0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6720
3 locks held by kworker/0:2/939:
2 locks held by getty/4984:
#0: ffff8880316e20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
3 locks held by kworker/0:3/5619:
7 locks held by kworker/1:7/5741:
3 locks held by kworker/1:8/6042:
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc3-syzkaller-g4d939780b705 #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: 5741 Comm: kworker/1:7 Not tainted 6.12.0-rc3-syzkaller-g4d939780b705 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events uhid_device_add_worker
RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4826 [inline]
RIP: 0010:__lock_acquire+0x4dc/0x2050 kernel/locking/lockdep.c:5152
Code: 13 00 00 44 89 3b 44 89 c3 48 89 d8 48 c1 e8 06 48 8d 3c c5 00 98 2c 94 be 08 00 00 00 e8 6c 3e 8e 00 48 0f a3 1d 74 36 bc 12 <73> 27 48 69 c3 c8 00 00 00 48 8d 98 c0 16 c4 93 48 ba 00 00 00 00
RSP: 0018:ffffc90000a18890 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81706184
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff942c9800
RBP: 0000000000000014 R08: ffffffff942c9807 R09: 1ffffffff2859300
R10: dffffc0000000000 R11: fffffbfff2859301 R12: ffff88802e98da00
R13: 0000000000000001 R14: 00000000000c2001 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055eaa5827410 CR3: 0000000079b1a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
debug_object_deactivate+0x158/0x390 lib/debugobjects.c:763
debug_timer_deactivate kernel/time/timer.c:841 [inline]
debug_deactivate kernel/time/timer.c:885 [inline]
detach_timer+0x24/0x320 kernel/time/timer.c:932
expire_timers kernel/time/timer.c:1828 [inline]
__run_timers kernel/time/timer.c:2419 [inline]
__run_timer_base+0x5ef/0x8e0 kernel/time/timer.c:2430
run_timer_base kernel/time/timer.c:2439 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449
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 34 c2 20 00 4c 8d bc 24 a0 00 00 00 4d 85 e4 75 07 e8 22 c2 20 00 eb 06 e8 1b c2 20 00 fb 49 bc 00 00 00 00 00 fc ff df <48> c7 c7 c0 33 81 8e 31 f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00
RSP: 0018:ffffc90008f07120 EFLAGS: 00000293
RAX: ffffffff817425e5 RBX: 0000000000000000 RCX: ffff88802e98da00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90008f07230 R08: ffffffff817425be R09: 1ffffffff2859321
R10: dffffc0000000000 R11: fffffbfff2859322 R12: dffffc0000000000
R13: 1ffff920011e0e28 R14: ffffffff81742420 R15: ffffc90008f071c0
dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4910
dev_printk_emit+0xdd/0x120 drivers/base/core.c:4921
_dev_warn+0x122/0x170 drivers/base/core.c:4977
hid_parser_main+0x71f/0xaa0 drivers/hid/hid-core.c:632
hid_open_report+0xafa/0x14a0 drivers/hid/hid-core.c:1276
hid_parse include/linux/hid.h:1120 [inline]
hid_generic_probe+0x3d/0x90 drivers/hid/hid-generic.c:63
__hid_device_probe drivers/hid/hid-core.c:2699 [inline]
hid_device_probe+0x26e/0x4f0 drivers/hid/hid-core.c:2736
really_probe+0x2b8/0xad0 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
driver_probe_device+0x50/0x430 drivers/base/dd.c:830
__device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:459
__device_attach+0x333/0x520 drivers/base/dd.c:1030
bus_probe_device+0x189/0x260 drivers/base/bus.c:534
device_add+0x856/0xbf0 drivers/base/core.c:3675
hid_add_device+0x3b6/0x520 drivers/hid/hid-core.c:2882
uhid_device_add_worker+0x44/0xf0 drivers/hid/uhid.c:73
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