tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 297 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 153490 jiffies old.
Please check any exiting tasks stuck between calls to exit_tasks_rcu_start() and exit_tasks_rcu_finish()
INFO: task rcu_tasks_kthre:12 blocked for more than 143 seconds.
Not tainted 6.4.0-next-20230706 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:rcu_tasks_kthre state:D stack:28480 pid:12 ppid:2 flags:0x00004000
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_timeout+0x3b0/0x400
__wait_for_common+0x1d3/0x550
__synchronize_srcu+0x142/0x240
rcu_tasks_postscan+0x50/0x70
rcu_tasks_wait_gp+0x448/0xb90
rcu_tasks_one_gp+0x9b8/0xd30
rcu_tasks_kthread+0x84/0xb0
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
INFO: task kworker/1:3:91 blocked for more than 143 seconds.
Not tainted 6.4.0-next-20230706 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:26880 pid:91 ppid:2 flags:0x00004000
Workqueue: events kprobe_optimizer
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_timeout+0x3b0/0x400
__wait_for_common+0x1d3/0x550
__wait_rcu_gp+0x24e/0x400
synchronize_rcu_tasks_generic.constprop.0+0xd6/0x170
kprobe_optimizer+0x343/0x7e0
process_one_work+0xabf/0x1770
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
INFO: task syz-executor.2:4336 blocked for more than 143 seconds.
Not tainted 6.4.0-next-20230706 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27344 pid:4336 ppid:271 flags:0x00004006
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
perf_trace_destroy+0x27/0x1c0
_free_event+0x207/0x1150
perf_event_release_kernel+0x5b8/0x7a0
perf_release+0x37/0x50
__fput+0x406/0xad0
task_work_run+0x174/0x280
do_exit+0xa92/0x2740
do_group_exit+0xd4/0x2a0
get_signal+0x263f/0x26c0
arch_do_signal_or_restart+0x79/0x590
exit_to_user_mode_prepare+0xeb/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fd166febb19
RSP: 002b:00007fd164540218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fd1670ff028 RCX: 00007fd166febb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd1670ff028
RBP: 00007fd1670ff020 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd1670ff02c
R13: 00007fff81ff08bf R14: 00007fd164540300 R15: 0000000000022000
INFO: task syz-executor.6:5535 blocked for more than 143 seconds.
Not tainted 6.4.0-next-20230706 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.6 state:D stack:27000 pid:5535 ppid:268 flags:0x00004004
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
unregister_kprobe+0x22/0xc0
__unregister_trace_kprobe+0x1a2/0x210
destroy_local_trace_kprobe+0xda/0x180
_free_event+0x207/0x1150
perf_event_release_kernel+0x5b8/0x7a0
perf_release+0x37/0x50
__fput+0x406/0xad0
task_work_run+0x174/0x280
exit_to_user_mode_prepare+0x17d/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f6594ebb72b
RSP: 002b:00007ffcc6604470 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f6594ebb72b
RDX: 0000000000000000 RSI: 00007f6594d986d8 RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2c322448
R10: 0000000000000eb4 R11: 0000000000000293 R12: 00007f659501cb60
R13: 00007f659501cb60 R14: 00007f659501bf60 R15: 0000000000080cc2
INFO: task syz-executor.5:5559 blocked for more than 143 seconds.
Not tainted 6.4.0-next-20230706 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:27000 pid:5559 ppid:272 flags:0x00004004
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
arch_jump_label_transform_queue+0x5c/0x110
__jump_label_update+0x12e/0x410
jump_label_update+0x325/0x400
static_key_disable_cpuslocked+0x156/0x1b0
static_key_disable+0x1a/0x20
tracepoint_probe_unregister+0x65d/0xc60
trace_event_reg+0x185/0x350
perf_trace_event_unreg.isra.0+0xae/0x1e0
perf_trace_destroy+0xc8/0x1c0
_free_event+0x207/0x1150
perf_event_release_kernel+0x5b8/0x7a0
perf_release+0x37/0x50
__fput+0x406/0xad0
task_work_run+0x174/0x280
exit_to_user_mode_prepare+0x17d/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f361d97172b
RSP: 002b:00007ffcc4d75990 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f361d97172b
RDX: 0000000000000000 RSI: ffffffff81537722 RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2c2263d0
R10: 0000000000001f30 R11: 0000000000000293 R12: 00007f361dad2b60
R13: 00007f361dad2b60 R14: 00007f361dad1f60 R15: 0000000000080dc1
INFO: task syz-executor.4:5567 blocked for more than 143 seconds.
Not tainted 6.4.0-next-20230706 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:29184 pid:5567 ppid:267 flags:0x00004006
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
perf_kprobe_init+0x14b/0x210
perf_kprobe_event_init+0xfc/0x1d0
perf_try_init_event+0x130/0x570
perf_event_alloc.part.0+0xf84/0x3a30
__do_sys_perf_event_open+0x4d9/0x2a60
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fb3be380b19
RSP: 002b:00007fb3bb8f6188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fb3be493f60 RCX: 00007fb3be380b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000280
RBP: 00007fb3be3daf6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd91681b2f R14: 00007fb3bb8f6300 R15: 0000000000022000
INFO: task syz-executor.1:5579 blocked for more than 143 seconds.
Not tainted 6.4.0-next-20230706 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:29648 pid:5579 ppid:266 flags:0x00000004
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
perf_trace_init+0x4d/0x2f0
perf_tp_event_init+0xa6/0x120
perf_try_init_event+0x130/0x570
perf_event_alloc.part.0+0xf84/0x3a30
__do_sys_perf_event_open+0x4d9/0x2a60
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fee7b4afb19
RSP: 002b:00007fee78a25188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fee7b5c2f60 RCX: 00007fee7b4afb19
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007fee7b509f6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffca47f142f R14: 00007fee78a25300 R15: 0000000000022000
INFO: task syz-executor.1:5581 blocked for more than 143 seconds.
Not tainted 6.4.0-next-20230706 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26816 pid:5581 ppid:266 flags:0x00000004
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
perf_trace_init+0x4d/0x2f0
perf_tp_event_init+0xa6/0x120
perf_try_init_event+0x130/0x570
perf_event_alloc.part.0+0xf84/0x3a30
__do_sys_perf_event_open+0x4d9/0x2a60
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fee7b4afb19
RSP: 002b:00007fee789e3188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fee7b5c30e0 RCX: 00007fee7b4afb19
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007fee7b509f6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffca47f142f R14: 00007fee789e3300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8560a7f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd30
1 lock held by ksoftirqd/0/13:
1 lock held by khungtaskd/25:
#0: ffffffff8560b3c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340
5 locks held by kworker/1:3/91:
#0: ffff888008468d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770
#1: ffff88800e5a7db0 ((optimizing_work).work){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770
#2: ffffffff856536c8 (kprobe_mutex){+.+.}-{3:3}, at: kprobe_optimizer+0x25/0x7e0
#3: ffffffff854e2af0 (cpu_hotplug_lock){++++}-{0:0}, at: kprobe_optimizer+0x2a/0x7e0
#4: ffffffff854f6c28 (text_mutex){+.+.}-{3:3}, at: kprobe_optimizer+0x38/0x7e0
1 lock held by in:imklog/165:
1 lock held by syz-executor.1/3834:
#0: ffffffff856665e8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/3846:
#0: ffffffff856665e8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.2/4336:
#0: ffffffff856665e8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/4477:
#0: ffffffff856665e8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/4483:
#0: ffffffff856665e8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.5/5170:
#0: ffffffff856665e8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/5470:
#0: ffffffff856665e8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/5535:
#0: ffffffff856536c8 (kprobe_mutex){+.+.}-{3:3}, at: unregister_kprobe+0x22/0xc0
5 locks held by syz-executor.5/5559:
#0: ffffffff856665e8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
#1: ffffffff856586a8 (tracepoints_mutex){+.+.}-{3:3}, at: tracepoint_probe_unregister+0x31/0xc60
#2: ffffffff854e2af0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_disable+0x12/0x20
#3: ffffffff85688948 (jump_label_mutex){+.+.}-{3:3}, at: static_key_disable_cpuslocked+0x10c/0x1b0
#4: ffffffff854f6c28 (text_mutex){+.+.}-{3:3}, at: arch_jump_label_transform_queue+0x5c/0x110
2 locks held by syz-executor.4/5567:
#0: ffffffff87b82cb0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a30
#1: ffffffff856665e8 (event_mutex){+.+.}-{3:3}, at: perf_kprobe_init+0x14b/0x210
2 locks held by syz-executor.1/5579:
#0: ffffffff87b82cb0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a30
#1: ffffffff856665e8 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
2 locks held by syz-executor.1/5581:
#0: ffffffff87b82cb0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a30
#1: ffffffff856665e8 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
=============================================
tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 297 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 163730 jiffies old.
Please check any exiting tasks stuck between calls to exit_tasks_rcu_start() and exit_tasks_rcu_finish()