tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 13 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 143250 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-rc5-next-20230609 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:rcu_tasks_kthre state:D stack:29072 pid:12 ppid:2 flags:0x00004000
Call Trace:
__schedule+0x9a9/0x2b10
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+0xa69/0xe10
rcu_tasks_kthread+0x1a7/0x240
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
INFO: task syz-executor.2:4956 blocked for more than 143 seconds.
Not tainted 6.4.0-rc5-next-20230609 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27328 pid:4956 ppid:267 flags:0x00004006
Call Trace:
__schedule+0x9a9/0x2b10
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+0x26f/0xa50
task_work_run+0x174/0x280
do_exit+0xaba/0x2780
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: 0033:0x7fa624836b19
RSP: 002b:00007fa621dac218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fa624949f68 RCX: 00007fa624836b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa624949f68
RBP: 00007fa624949f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa624949f6c
R13: 00007ffc96f7768f R14: 00007fa621dac300 R15: 0000000000022000
INFO: task kworker/0:1:5848 blocked for more than 143 seconds.
Not tainted 6.4.0-rc5-next-20230609 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1 state:D stack:27024 pid:5848 ppid:2 flags:0x00004000
Workqueue: events kprobe_optimizer
Call Trace:
__schedule+0x9a9/0x2b10
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.6:7032 blocked for more than 143 seconds.
Not tainted 6.4.0-rc5-next-20230609 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.6 state:D stack:27104 pid:7032 ppid:274 flags:0x00004004
Call Trace:
__schedule+0x9a9/0x2b10
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
arch_static_call_transform+0x23/0xa0
__static_call_update+0xd3/0x620
tracepoint_add_func+0xa2e/0xe60
tracepoint_probe_register+0xa5/0xf0
trace_event_reg+0x297/0x350
perf_trace_event_init+0x516/0xa20
perf_trace_init+0x1a4/0x2f0
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: 0033:0x7fb7a4845b19
RSP: 002b:00007fb7a1dbb188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fb7a4958f60 RCX: 00007fb7a4845b19
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007fb7a489ff6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc6880c1f R14: 00007fb7a1dbb300 R15: 0000000000022000
INFO: task syz-executor.3:7045 blocked for more than 143 seconds.
Not tainted 6.4.0-rc5-next-20230609 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26992 pid:7045 ppid:271 flags:0x00000004
Call Trace:
__schedule+0x9a9/0x2b10
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+0x26f/0xa50
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: 0033:0x7fd27315672b
RSP: 002b:00007ffe790f5380 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fd27315672b
RDX: 00007fd2732e1758 RSI: 0000000000000081 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd2732e1758
R13: 00007ffe790f54a0 R14: 00007fd2732b6f60 R15: 00000000000c3fff
INFO: task syz-executor.3:7050 blocked for more than 143 seconds.
Not tainted 6.4.0-rc5-next-20230609 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28848 pid:7050 ppid:271 flags:0x00004006
Call Trace:
__schedule+0x9a9/0x2b10
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
unregister_kretprobes.part.0+0x23/0x210
unregister_kretprobe+0x6d/0xa0
__unregister_trace_kprobe+0xaf/0x210
destroy_local_trace_kprobe+0xda/0x180
perf_try_init_event+0x465/0x570
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: 0033:0x7fd2731a3b19
RSP: 002b:00007fd2706f8188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fd2732b7020 RCX: 00007fd2731a3b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000280
RBP: 00007fd2731fdf6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe790f531f R14: 00007fd2706f8300 R15: 0000000000022000
INFO: task syz-executor.5:7056 blocked for more than 143 seconds.
Not tainted 6.4.0-rc5-next-20230609 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26992 pid:7056 ppid:268 flags:0x00000004
Call Trace:
__schedule+0x9a9/0x2b10
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+0x26f/0xa50
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: 0033:0x7f9126ce872b
RSP: 002b:00007ffe5f006a90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f9126ce872b
RDX: 0000000000000000 RSI: ffffffff81143213 RDI: 0000000000000006
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2c229c68
R10: 0000000000000c14 R11: 0000000000000293 R12: 00007f9126e49b60
R13: 00007f9126e49b60 R14: 00007f9126e48f60 R15: 00000000000c407f
INFO: task syz-executor.4:7060 blocked for more than 143 seconds.
Not tainted 6.4.0-rc5-next-20230609 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:26992 pid:7060 ppid:269 flags:0x00000004
Call Trace:
__schedule+0x9a9/0x2b10
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+0x26f/0xa50
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: 0033:0x7ff089daf72b
RSP: 002b:00007ffe58c58610 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007ff089daf72b
RDX: 0000000000000000 RSI: ffffffff81390bba RDI: 0000000000000006
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2c3295f0
R10: 0000000000000a9e R11: 0000000000000293 R12: 00007ff089f10b60
R13: 00007ff089f10b60 R14: 00007ff089f0ff60 R15: 00000000000c40c3
INFO: task syz-executor.1:7064 blocked for more than 143 seconds.
Not tainted 6.4.0-rc5-next-20230609 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26992 pid:7064 ppid:270 flags:0x00000004
Call Trace:
__schedule+0x9a9/0x2b10
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+0x26f/0xa50
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: 0033:0x7f41fa7dd72b
RSP: 002b:00007ffed533ea70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f41fa7dd72b
RDX: 00007f41fa961e60 RSI: ffffffff81390ce3 RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2c0234ac
R10: 00000000000013b3 R11: 0000000000000293 R12: 00000000000c417b
R13: 00000000000003e8 R14: 00007f41fa93df60 R15: 00000000000c40e4
INFO: task syz-executor.7:7076 blocked for more than 143 seconds.
Not tainted 6.4.0-rc5-next-20230609 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.7 state:D stack:29648 pid:7076 ppid:273 flags:0x00000004
Call Trace:
__schedule+0x9a9/0x2b10
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: 0033:0x7fc2e1a4db19
RSP: 002b:00007fc2defc3188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fc2e1b60f60 RCX: 00007fc2e1a4db19
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007fc2e1aa7f6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd99b2b70f R14: 00007fc2defc3300 R15: 0000000000022000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8560a6f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xe10
1 lock held by ksoftirqd/1/19:
1 lock held by khungtaskd/25:
#0: ffffffff8560b2c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340
1 lock held by in:imklog/163:
1 lock held by syz-executor.4/4384:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/4386:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/4863:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.2/4956:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/5162:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
5 locks held by kworker/0:1/5848:
#0: ffff888008468d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770
#1: ffff888049a07db0 ((optimizing_work).work){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770
#2: ffffffff856527e8 (kprobe_mutex){+.+.}-{3:3}, at: kprobe_optimizer+0x25/0x7e0
#3: ffffffff854e2cb0 (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 syz-executor.3/6363:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/6970:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/6973:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/7021:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
6 locks held by syz-executor.6/7032:
#0: ffffffff87b6c530 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a30
#1: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
#2: ffffffff85657848 (tracepoints_mutex){+.+.}-{3:3}, at: tracepoint_probe_register+0x7c/0xf0
#3: ffffffff854e2cb0 (cpu_hotplug_lock){++++}-{0:0}, at: __static_call_update+0x8b/0x620
#4: ffffffff856817a8 (static_call_mutex){+.+.}-{3:3}, at: __static_call_update+0x99/0x620
#5: ffffffff854f6c28 (text_mutex){+.+.}-{3:3}, at: arch_static_call_transform+0x23/0xa0
1 lock held by syz-executor.3/7045:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
2 locks held by syz-executor.3/7050:
#0: ffffffff87b6c530 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a30
#1: ffffffff856527e8 (kprobe_mutex){+.+.}-{3:3}, at: unregister_kretprobes.part.0+0x23/0x210
1 lock held by syz-executor.5/7056:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/7060:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/7064:
#0: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
2 locks held by syz-executor.7/7076:
#0: ffffffff87b6c530 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a30
#1: ffffffff85665708 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
=============================================
tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 13 (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()