INFO: task syz-executor171:5078 blocked for more than 143 seconds.
Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor171 state:D stack:28656 pid:5078 tgid:5078 ppid:5075 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5c70 kernel/sched/core.c:6736
__schedule_loop kernel/sched/core.c:6813 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6828
schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2548
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3de/0x5f0 kernel/sched/completion.c:116
__flush_work+0x5c4/0xb10 kernel/workqueue.c:4205
__cancel_work_sync+0x401/0x5a0 kernel/workqueue.c:4304
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:662
__fput+0x270/0xb80 fs/file_table.c:422
task_work_run+0x14e/0x250 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa7d/0x2be0 kernel/exit.c:878
do_group_exit+0xd3/0x2a0 kernel/exit.c:1027
__do_sys_exit_group kernel/exit.c:1038 [inline]
__se_sys_exit_group kernel/exit.c:1036 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1036
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fa4a90329a9
RSP: 002b:00007ffe1c0ab758 EFLAGS: 00000246
ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4a90329a9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007fa4a90a6290 R08: ffffffffffffffb8 R09: 00007fa4a907609e
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa4a90a6290
R13: 0000000000000000 R14: 00007fa4a90a6d00 R15: 00007fa4a8ffc110
INFO: task syz-executor171:5079 blocked for more than 145 seconds.
Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor171 state:D stack:27584 pid:5079 tgid:5079 ppid:5077 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5c70 kernel/sched/core.c:6736
__schedule_loop kernel/sched/core.c:6813 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6828
schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2548
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3de/0x5f0 kernel/sched/completion.c:116
__flush_work+0x5c4/0xb10 kernel/workqueue.c:4205
__cancel_work_sync+0x401/0x5a0 kernel/workqueue.c:4304
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:662
__fput+0x270/0xb80 fs/file_table.c:422
task_work_run+0x14e/0x250 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa7d/0x2be0 kernel/exit.c:878
do_group_exit+0xd3/0x2a0 kernel/exit.c:1027
__do_sys_exit_group kernel/exit.c:1038 [inline]
__se_sys_exit_group kernel/exit.c:1036 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1036
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fa4a90329a9
RSP: 002b:00007ffe1c0ab758 EFLAGS: 00000246
ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4a90329a9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007fa4a90a6290 R08: ffffffffffffffb8 R09: 00007fa4a907609e
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa4a90a6290
R13: 0000000000000000 R14: 00007fa4a90a6d00 R15: 00007fa4a8ffc110
INFO: task syz-executor171:5080 blocked for more than 148 seconds.
Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor171 state:D
stack:27888 pid:5080 tgid:5080 ppid:5072 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5c70 kernel/sched/core.c:6736
__schedule_loop kernel/sched/core.c:6813 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6828
schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2548
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3de/0x5f0 kernel/sched/completion.c:116
__flush_work+0x5c4/0xb10 kernel/workqueue.c:4205
__cancel_work_sync+0x401/0x5a0 kernel/workqueue.c:4304
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:662
__fput+0x270/0xb80 fs/file_table.c:422
task_work_run+0x14e/0x250 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa7d/0x2be0 kernel/exit.c:878
do_group_exit+0xd3/0x2a0 kernel/exit.c:1027
__do_sys_exit_group kernel/exit.c:1038 [inline]
__se_sys_exit_group kernel/exit.c:1036 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1036
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fa4a90329a9
RSP: 002b:00007ffe1c0ab758 EFLAGS: 00000246
ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4a90329a9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007fa4a90a6290 R08: ffffffffffffffb8 R09: 00007fa4a907609e
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa4a90a6290
R13: 0000000000000000 R14: 00007fa4a90a6d00 R15: 00007fa4a8ffc110
Showing all locks held in the system:
3 locks held by kworker/0:0/7:
3 locks held by kworker/1:0/24:
1 lock held by khungtaskd/29:
#0:
ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
3 locks held by kworker/1:2/782:
7 locks held by kworker/0:2/928:
3 locks held by kworker/1:3/4807:
2 locks held by getty/4822:
#0:
ffff88802adf40a0
(
&tty->ldisc_sem
){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015c02f0
(
&ldata->atomic_read_lock
){+.+.}-{3:3}
, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2201
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/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+0x1a/0x30 arch/x86/entry/entry_64.S:243
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 782 Comm: kworker/1:2 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: events uhid_device_add_worker
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:119 [inline]
RIP: 0010:lock_release+0xfd/0x6a0 kernel/locking/lockdep.c:5767
Code: 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b7 04 00 00 8b 3d ea 5f 33 0e 85 ff 0f 84 ba 02 00 00 65 8b 05 eb 47 97 7e <85> c0 0f 85 ab 02 00 00 65 4c 8b 35 53 90 98 7e 49 8d be d4 0a 00
RSP: 0018:ffffc90000a08988 EFLAGS: 00000002
RAX: 0000000000000000 RBX: ffffffff8f9ea338 RCX: ffffffff816b4309
RDX: 0000000000000000 RSI: ffffffff8b6e8820 RDI: 0000000000000001
RBP: 1ffff92000141133 R08: 0000000000000000 R09: fffffbfff1f3cdf2
R10: ffffffff8f9e6f97 R11: ffffffff816178d0 R12: ffffffff8d7b08e0
R13: ffff8880b9528958 R14: 000000000003d3cc R15: ffff8880162b2800
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562c0f60d680 CR3: 000000002e122000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_lock_release include/linux/rcupdate.h:308 [inline]
rcu_read_unlock include/linux/rcupdate.h:783 [inline]
select_task_rq_fair+0x4a9/0x4420 kernel/sched/fair.c:8209
select_task_rq kernel/sched/core.c:3637 [inline]
try_to_wake_up+0x3e9/0x13e0 kernel/sched/core.c:4363
call_timer_fn+0x1a0/0x5b0 kernel/time/timer.c:1792
expire_timers kernel/time/timer.c:1843 [inline]
__run_timers+0x74b/0xab0 kernel/time/timer.c:2408
__run_timer_base kernel/time/timer.c:2419 [inline]
__run_timer_base kernel/time/timer.c:2412 [inline]
run_timer_base+0x111/0x190 kernel/time/timer.c:2428
run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2438
__do_softirq+0x218/0x8de kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:633 [inline]
irq_exit_rcu+0xb9/0x120 kernel/softirq.c:645
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:2010 [inline]
RIP: 0010:vprintk_emit kernel/printk/printk.c:2341 [inline]
RIP: 0010:vprintk_emit+0x4c2/0x5a0 kernel/printk/printk.c:2297
Code: 00 4d 85 e4 0f 85 8e 00 00 00 e8 79 c1 1e 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 77 bc 1e 00 48 85 db 0f 85 9a 00 00 00 59 c1 1e 00 45 31 c9 41 b8 01 00 00 00 31 c9 48 8d 05 00 00 00
RSP: 0018:ffffc90003bcf460 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff816e37dc
RDX: ffff88801fef8000 RSI: ffffffff816e37e6 RDI: 0000000000000007
RBP: 000000000000003a R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000200
R13: ffff888018ea3c00 R14: ffffffff8b97b720 R15: ffffc90003bcf4c0
dev_vprintk_emit drivers/base/core.c:4864 [inline]
dev_printk_emit+0xfb/0x140 drivers/base/core.c:4875
__dev_printk+0xf5/0x270 drivers/base/core.c:4887
_dev_warn+0xe5/0x120 drivers/base/core.c:4931
hid_parser_main+0x2b6/0xc70 drivers/hid/hid-core.c:632
hid_open_report+0x3f4/0x7c0 drivers/hid/hid-core.c:1276
hid_parse include/linux/hid.h:1118 [inline]
hid_generic_probe+0x4d/0x90 drivers/hid/hid-generic.c:63
__hid_device_probe drivers/hid/hid-core.c:2633 [inline]
hid_device_probe+0x2eb/0x490 drivers/hid/hid-core.c:2670
call_driver_probe drivers/base/dd.c:579 [inline]
really_probe+0x23a/0xcb0 drivers/base/dd.c:658
__driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532
device_add+0x1188/0x1ab0 drivers/base/core.c:3639
hid_add_device+0x37f/0xa70 drivers/hid/hid-core.c:2816
uhid_device_add_worker+0x3e/0x110 drivers/hid/uhid.c:73
process_one_work+0x9a9/0x1a60 kernel/workqueue.c:3254
process_scheduled_works kernel/workqueue.c:3335 [inline]
worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243