tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 53 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 143585 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-rc2-next-20230721 #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+0xa69/0xe10
rcu_tasks_kthread+0x1a7/0x240
kthread+0x33f/0x440
ret_from_fork+0x2f/0x70
ret_from_fork_asm+0x1b/0x30
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.1:4133 blocked for more than 143 seconds.
Not tainted 6.5.0-rc2-next-20230721 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27344 pid:4133 ppid:269 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: 0033:0x7f6298d4bb19
RSP: 002b:00007f62962c1218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6298e5ef68 RCX: 00007f6298d4bb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6298e5ef68
RBP: 00007f6298e5ef60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6298e5ef6c
R13: 00007ffe66aed8ef R14: 00007f62962c1300 R15: 0000000000022000
INFO: task syz-executor.1:4174 blocked for more than 143 seconds.
Not tainted 6.5.0-rc2-next-20230721 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27344 pid:4174 ppid:269 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: 0033:0x7f6298d4bb19
RSP: 002b:00007f62962c1218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6298e5ef68 RCX: 00007f6298d4bb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6298e5ef68
RBP: 00007f6298e5ef60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6298e5ef6c
R13: 00007ffe66aed8ef R14: 00007f62962c1300 R15: 0000000000022000
INFO: task syz-executor.1:4213 blocked for more than 143 seconds.
Not tainted 6.5.0-rc2-next-20230721 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27344 pid:4213 ppid:269 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: 0033:0x7f6298d4bb19
RSP: 002b:00007f62962c1218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6298e5ef68 RCX: 00007f6298d4bb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6298e5ef68
RBP: 00007f6298e5ef60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6298e5ef6c
R13: 00007ffe66aed8ef R14: 00007f62962c1300 R15: 0000000000022000
INFO: task syz-executor.1:4461 blocked for more than 143 seconds.
Not tainted 6.5.0-rc2-next-20230721 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28496 pid:4461 ppid:269 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: 0033:0x7f6298d4bb19
RSP: 002b:00007f62962a0218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6298e5f028 RCX: 00007f6298d4bb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6298e5f028
RBP: 00007f6298e5f020 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6298e5f02c
R13: 00007ffe66aed8ef R14: 00007f62962a0300 R15: 0000000000022000
INFO: task kworker/1:3:5513 blocked for more than 143 seconds.
Not tainted 6.5.0-rc2-next-20230721 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:26952 pid:5513 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
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.1:5547 blocked for more than 143 seconds.
Not tainted 6.5.0-rc2-next-20230721 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26240 pid:5547 ppid:269 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: 0033:0x7f6298d4bb19
RSP: 002b:00007f62962a0218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6298e5f028 RCX: 00007f6298d4bb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6298e5f028
RBP: 00007f6298e5f020 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6298e5f02c
R13: 00007ffe66aed8ef R14: 00007f62962a0300 R15: 0000000000022000
INFO: task syz-executor.1:5561 blocked for more than 143 seconds.
Not tainted 6.5.0-rc2-next-20230721 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27672 pid:5561 ppid:269 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: 0033:0x7f6298d4bb19
RSP: 002b:00007f629627f218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6298e5f0e8 RCX: 00007f6298d4bb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6298e5f0e8
RBP: 00007f6298e5f0e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6298e5f0ec
R13: 00007ffe66aed8ef R14: 00007f629627f300 R15: 0000000000022000
INFO: task syz-executor.1:5609 blocked for more than 143 seconds.
Not tainted 6.5.0-rc2-next-20230721 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27344 pid:5609 ppid:269 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: 0033:0x7f6298d4bb19
RSP: 002b:00007f62962c1218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6298e5ef68 RCX: 00007f6298d4bb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6298e5ef68
RBP: 00007f6298e5ef60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6298e5ef6c
R13: 00007ffe66aed8ef R14: 00007f62962c1300 R15: 0000000000022000
INFO: task syz-executor.1:5641 blocked for more than 143 seconds.
Not tainted 6.5.0-rc2-next-20230721 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27344 pid:5641 ppid:269 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: 0033:0x7f6298d4bb19
RSP: 002b:00007f62962c1218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6298e5ef68 RCX: 00007f6298d4bb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6298e5ef68
RBP: 00007f6298e5ef60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6298e5ef6c
R13: 00007ffe66aed8ef R14: 00007f62962c1300 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: ffffffff8560b6d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xe10
1 lock held by khungtaskd/25:
#0: ffffffff8560c2a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340
2 locks held by in:imklog/163:
#0: ffff888010244348 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xdf/0x100
#1: ffffffff855ff168 (syslog_lock){+.+.}-{3:3}, at: select_task_rq_fair+0x266/0x35e0
1 lock held by syz-executor.1/4133:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/4174:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/4213:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/4461:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/4505:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/4514:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
5 locks held by kworker/1:3/5513:
#0: ffff888008468d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770
#1: ffff888044defd90 ((optimizing_work).work){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770
#2: ffffffff85654f68 (kprobe_mutex){+.+.}-{3:3}, at: kprobe_optimizer+0x25/0x7e0
#3: ffffffff854e2f90 (cpu_hotplug_lock){++++}-{0:0}, at: kprobe_optimizer+0x2a/0x7e0
#4: ffffffff854f7568 (text_mutex){+.+.}-{3:3}, at: kprobe_optimizer+0x38/0x7e0
1 lock held by syz-executor.1/5547:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/5561:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/5609:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.1/5641:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/5733:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.2/5749:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
6 locks held by syz-executor.0/5752:
#0: ffffffff87b92d70 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
#2: ffffffff8565a168 (tracepoints_mutex){+.+.}-{3:3}, at: tracepoint_probe_register+0x7c/0xf0
#3: ffffffff854e2f90 (cpu_hotplug_lock){++++}-{0:0}, at: __static_call_update+0x8b/0x620
#4: ffffffff856842a8 (static_call_mutex){+.+.}-{3:3}, at: __static_call_update+0x99/0x620
#5: ffffffff854f7568 (text_mutex){+.+.}-{3:3}, at: arch_static_call_transform+0x23/0xa0
2 locks held by syz-executor.3/5757:
#0: ffffffff87b92d70 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
2 locks held by syz-executor.3/5760:
#0: ffffffff87b92d70 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
2 locks held by syz-executor.7/5759:
#0: ffffffff87b92d70 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0
=============================================
tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 53 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 153825 jiffies old.
Please check any exiting tasks stuck between calls to exit_tasks_rcu_start() and exit_tasks_rcu_finish()