tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 2733 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 153562 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 6.5.0-rc4-next-20230804 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:rcu_tasks_kthre state:D stack:28416 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+0xa8b/0xe30
rcu_tasks_kthread+0x1a7/0x240
kthread+0x33f/0x440
ret_from_fork+0x2f/0x70
ret_from_fork_asm+0x1b/0x30
INFO: task kworker/1:3:276 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-next-20230804 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:26080 pid:276 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+0x2f/0x70
ret_from_fork_asm+0x1b/0x30
INFO: task syz-executor.7:4592 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-next-20230804 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.7 state:D stack:27344 pid:4592 ppid:702 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+0x207/0x1190
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+0x2693/0x2720
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: 0033:0x7f7f62623b19
RSP: 002b:00007f7f5fb78218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f7f62737028 RCX: 00007f7f62623b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7f62737028
RBP: 00007f7f62737020 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7f6273702c
R13: 00007ffece08bc3f R14: 00007f7f5fb78300 R15: 0000000000022000
INFO: task syz-executor.7:5019 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-next-20230804 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.7 state:D stack:27344 pid:5019 ppid:702 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+0x207/0x1190
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+0x2693/0x2720
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: 0033:0x7f7f62623b19
RSP: 002b:00007f7f5fb99218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f7f62736f68 RCX: 00007f7f62623b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7f62736f68
RBP: 00007f7f62736f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7f62736f6c
R13: 00007ffece08bc3f R14: 00007f7f5fb99300 R15: 0000000000022000
INFO: task syz-executor.7:5583 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-next-20230804 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.7 state:D stack:27344 pid:5583 ppid:702 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+0x207/0x1190
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+0x2693/0x2720
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: 0033:0x7f7f62623b19
RSP: 002b:00007f7f5fb78218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f7f62737028 RCX: 00007f7f62623b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7f62737028
RBP: 00007f7f62737020 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7f6273702c
R13: 00007ffece08bc3f R14: 00007f7f5fb78300 R15: 0000000000022000
INFO: task syz-executor.3:10884 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-next-20230804 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26984 pid:10884 ppid:272 flags:0x00000004
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
perf_trace_destroy+0x27/0x1c0
_free_event+0x207/0x1190
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: 0033:0x7f0c3954d72b
RSP: 002b:00007ffe66298950 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f0c3954d72b
RDX: 0000001b2c422a98 RSI: ffffffff8120990e RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2c422230
R10: 0000000000001ba3 R11: 0000000000000293 R12: 00007f0c396aeb60
R13: 00007f0c396aeb60 R14: 00007f0c396adf60 R15: 000000000023b4e0
INFO: task syz-executor.3:10892 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-next-20230804 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26816 pid:10892 ppid:272 flags:0x00004006
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
enable_kprobe+0x24/0x1d0
enable_trace_kprobe+0x205/0x3e0
kprobe_register+0x8c/0xd0
perf_trace_event_init+0x516/0xa20
perf_kprobe_init+0x156/0x210
perf_kprobe_event_init+0xfc/0x1d0
perf_try_init_event+0x130/0x570
perf_event_alloc.part.0+0xf84/0x3a70
__do_sys_perf_event_open+0x4db/0x2ae0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f0c3959ab19
RSP: 002b:00007f0c36aef188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f0c396ae020 RCX: 00007f0c3959ab19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000280
RBP: 00007f0c36aef1d0 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffe662988ef R14: 00007f0c36aef300 R15: 0000000000022000
INFO: task syz-executor.6:10888 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-next-20230804 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.6 state:D stack:26984 pid:10888 ppid:270 flags:0x00000004
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
perf_trace_destroy+0x27/0x1c0
_free_event+0x207/0x1190
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: 0033:0x7fe2e520e72b
RSP: 002b:00007ffdaebf3220 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fe2e520e72b
RDX: 0000000000000000 RSI: ffffffff8153f812 RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2c323284
R10: 000000000000091d R11: 0000000000000293 R12: 00007fe2e536fb60
R13: 00007fe2e536fb60 R14: 00007fe2e536ef60 R15: 000000000023b50a
INFO: task syz-executor.0:10891 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-next-20230804 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29016 pid:10891 ppid:743 flags:0x00000006
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+0xf84/0x3a70
__do_sys_perf_event_open+0x4db/0x2ae0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f992bba4b19
RSP: 002b:00007f992911a188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f992bcb7f60 RCX: 00007f992bba4b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000280
RBP: 00007f992bbfef6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffea773cf2f R14: 00007f992911a300 R15: 0000000000022000
INFO: task syz-executor.4:10895 blocked for more than 143 seconds.
Not tainted 6.5.0-rc4-next-20230804 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:26984 pid:10895 ppid:274 flags:0x00000004
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
perf_trace_destroy+0x27/0x1c0
_free_event+0x207/0x1190
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: 0033:0x7f62505e572b
RSP: 002b:00007fffa3c3b730 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f62505e572b
RDX: 0000000000000000 RSI: ffffffff8153f812 RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2c623264
R10: 000000000000091d R11: 0000000000000293 R12: 00007f6250746b60
R13: 00007f6250746b60 R14: 00007f6250745f60 R15: 000000000023b5a8
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: ffffffff8560b710 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x73e/0xe30
1 lock held by khungtaskd/25:
#0: ffffffff8560c2e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340
1 lock held by in:imklog/162:
#0: ffff88800cfec0c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x97/0xb0
5 locks held by kworker/1:3/276:
#0: ffff888008468d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770
#1: ffff88803f3cfd90 ((optimizing_work).work){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770
#2: ffffffff85655068 (kprobe_mutex){+.+.}-{3:3}, at: kprobe_optimizer+0x25/0x7e0
#3: ffffffff854e3010 (cpu_hotplug_lock){++++}-{0:0}, at: kprobe_optimizer+0x2a/0x7e0
#4: ffffffff854f75e8 (text_mutex){+.+.}-{3:3}, at: kprobe_optimizer+0x38/0x7e0
1 lock held by syz-executor.1/4025:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.5/4053:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/4107:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/4179:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/4227:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.7/4592:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.2/4773:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.2/4778:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/4827:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/4829:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.7/5019:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.7/5583:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/5610:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/6027:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/6258:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.3/10884:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
3 locks held by syz-executor.3/10892:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_kprobe_init+0x14b/0x210
#2: ffffffff85655068 (kprobe_mutex){+.+.}-{3:3}, at: enable_kprobe+0x24/0x1d0
1 lock held by syz-executor.6/10888:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
2 locks held by syz-executor.0/10891:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_kprobe_init+0x14b/0x210
1 lock held by syz-executor.4/10895:
#0: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
2 locks held by syz-executor.5/10898:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_kprobe_init+0x14b/0x210
2 locks held by syz-executor.5/10910:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85655068 (kprobe_mutex){+.+.}-{3:3}, at: register_kprobe+0x131/0x15c0
2 locks held by syz-executor.2/10901:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
2 locks held by syz-executor.2/10904:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85655068 (kprobe_mutex){+.+.}-{3:3}, at: register_kprobe+0x131/0x15c0
2 locks held by syz-executor.2/10911:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
2 locks held by syz-executor.2/10912:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85655068 (kprobe_mutex){+.+.}-{3:3}, at: register_kprobe+0x131/0x15c0
2 locks held by syz-executor.1/10903:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
2 locks held by syz-executor.1/10907:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85655068 (kprobe_mutex){+.+.}-{3:3}, at: register_kretprobe+0x164/0x900
2 locks held by syz-executor.7/11374:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
2 locks held by syz-executor.7/11375:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85655068 (kprobe_mutex){+.+.}-{3:3}, at: register_kprobe+0x131/0x15c0
2 locks held by syz-executor.7/11377:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85655068 (kprobe_mutex){+.+.}-{3:3}, at: register_kprobe+0x131/0x15c0
2 locks held by syz-executor.7/11378:
#0: ffffffff87af6db0 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff85668328 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
=============================================
tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 2733 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 163802 jiffies old.
Please check any exiting tasks stuck between calls to exit_tasks_rcu_start() and exit_tasks_rcu_finish()