INFO: task syz-executor142:5072 blocked for more than 143 seconds.
Not tainted 6.7.0-rc6-syzkaller-00303-g3f82f1c3a036 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor142 state:D
stack:28128 pid:5072 tgid:5063 ppid:5061 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xedb/0x5af0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6778
schedule_timeout+0x257/0x290 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_work+0x523/0xa10 kernel/workqueue.c:3404
__cancel_work_timer+0x3ef/0x590 kernel/workqueue.c:3491
uhid_dev_destroy drivers/hid/uhid.c:585 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:663
__fput+0x270/0xb70 fs/file_table.c:394
task_work_run+0x14d/0x240 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa8a/0x2ad0 kernel/exit.c:869
do_group_exit+0xd4/0x2a0 kernel/exit.c:1018
get_signal+0x23b5/0x2790 kernel/signal.c:2904
arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x121/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f9df59ec459
RSP: 002b:00007f9df59ad238 EFLAGS: 00000246
ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007f9df5a76308 RCX: 00007f9df59ec459
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f9df5a7630c
RBP: 00007f9df5a76300 R08: 00007f9df59ad6c0 R09: 00007f9df59ad6c0
R10: 00007f9df59ad6c0 R11: 0000000000000246 R12: 6968752f7665642f
R13: 0000000000000000 R14: 00007ffdc9e383c0 R15: 00007ffdc9e384a8
INFO: task syz-executor142:5066 blocked for more than 145 seconds.
Not tainted 6.7.0-rc6-syzkaller-00303-g3f82f1c3a036 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor142 state:D
stack:28000 pid:5066 tgid:5066 ppid:5064 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xedb/0x5af0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6778
schedule_timeout+0x257/0x290 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_work+0x523/0xa10 kernel/workqueue.c:3404
__cancel_work_timer+0x3ef/0x590 kernel/workqueue.c:3491
uhid_dev_destroy drivers/hid/uhid.c:585 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:663
__fput+0x270/0xb70 fs/file_table.c:394
task_work_run+0x14d/0x240 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa8a/0x2ad0 kernel/exit.c:869
do_group_exit+0xd4/0x2a0 kernel/exit.c:1018
__do_sys_exit_group kernel/exit.c:1029 [inline]
__se_sys_exit_group kernel/exit.c:1027 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1027
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f9df59ea4b9
RSP: 002b:00007ffdc9e38528 EFLAGS: 00000246
ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9df59ea4b9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f9df5a762b0 R08: ffffffffffffffb0 R09: 00007ffdc9e385a8
R10: 00007ffdc9e385b0 R11: 0000000000000246 R12: 00007f9df5a762b0
R13: 0000000000000000 R14: 00007f9df5a76e40 R15: 00007f9df59b8230
INFO: task syz-executor142:5069 blocked for more than 147 seconds.
Not tainted 6.7.0-rc6-syzkaller-00303-g3f82f1c3a036 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor142 state:D stack:28080 pid:5069 tgid:5069 ppid:5068 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xedb/0x5af0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6778
schedule_timeout+0x257/0x290 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_work+0x523/0xa10 kernel/workqueue.c:3404
__cancel_work_timer+0x3ef/0x590 kernel/workqueue.c:3491
uhid_dev_destroy drivers/hid/uhid.c:585 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:663
__fput+0x270/0xb70 fs/file_table.c:394
task_work_run+0x14d/0x240 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa8a/0x2ad0 kernel/exit.c:869
do_group_exit+0xd4/0x2a0 kernel/exit.c:1018
__do_sys_exit_group kernel/exit.c:1029 [inline]
__se_sys_exit_group kernel/exit.c:1027 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1027
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f9df59ea4b9
RSP: 002b:00007ffdc9e38528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9df59ea4b9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f9df5a762b0 R08: ffffffffffffffb0 R09: 00007ffdc9e385a8
R10: 00007ffdc9e385b0 R11: 0000000000000246 R12: 00007f9df5a762b0
R13: 0000000000000000 R14: 00007f9df5a76e40 R15: 00007f9df59b8230
INFO: task syz-executor142:5082 blocked for more than 150 seconds.
Not tainted 6.7.0-rc6-syzkaller-00303-g3f82f1c3a036 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor142 state:D
stack:28128 pid:5082 tgid:5078 ppid:5062 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5376 [inline]
__schedule+0xedb/0x5af0 kernel/sched/core.c:6688
__schedule_loop kernel/sched/core.c:6763 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6778
schedule_timeout+0x257/0x290 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_work+0x523/0xa10 kernel/workqueue.c:3404
__cancel_work_timer+0x3ef/0x590 kernel/workqueue.c:3491
uhid_dev_destroy drivers/hid/uhid.c:585 [inline]
uhid_char_release+0xca/0x210 drivers/hid/uhid.c:663
__fput+0x270/0xb70 fs/file_table.c:394
task_work_run+0x14d/0x240 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa8a/0x2ad0 kernel/exit.c:869
do_group_exit+0xd4/0x2a0 kernel/exit.c:1018
get_signal+0x23b5/0x2790 kernel/signal.c:2904
arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x121/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f9df59ec459
RSP: 002b:00007f9df59ad238 EFLAGS: 00000246
ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f9df5a76308 RCX: 00007f9df59ec459
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f9df5a7630c
RBP: 00007f9df5a76300 R08: 00007f9df59ad6c0 R09: 00007f9df59ad6c0
R10: 00007f9df59ad6c0 R11: 0000000000000246 R12: 6968752f7665642f
R13: 0000000000000000 R14: 00007ffdc9e383c0 R15: 00007ffdc9e384a8
Showing all locks held in the system:
3 locks held by kworker/0:1/8:
3 locks held by kworker/1:0/22:
1 lock held by khungtaskd/28:
#0: ffffffff8cfa7d60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
#0: ffffffff8cfa7d60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
#0: ffffffff8cfa7d60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
3 locks held by kworker/0:2/921:
3 locks held by kworker/1:2/1757:
3 locks held by kworker/1:3/4800:
2 locks held by getty/4814:
#0: ffff8880287e40a0 (
&tty->ldisc_sem
){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: