tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 333 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 143513 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:13 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-next-20230816 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:rcu_tasks_kthre state:D stack:28864 pid:13 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+0xa8a/0xe20
rcu_tasks_kthread+0x1a7/0x240
kthread+0x33f/0x440
ret_from_fork+0x48/0x80
ret_from_fork_asm+0x1b/0x30
INFO: task syz-executor.0:23618 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-next-20230816 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27312 pid:23618 ppid:18565 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+0x400/0xac0
task_work_run+0x174/0x280
do_exit+0xa92/0x2740
do_group_exit+0xd4/0x2a0
get_signal+0x2693/0x2720
arch_do_signal_or_restart+0x81/0x790
exit_to_user_mode_prepare+0xeb/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x73/0xdd
RIP: 0033:0x7fa406632b19
RSP: 002b:00007fa403ba8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fa406745f68 RCX: 00007fa406632b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa406745f68
RBP: 00007fa406745f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa406745f6c
R13: 00007ffd993781cf R14: 00007fa403ba8300 R15: 0000000000022000
INFO: task syz-executor.0:29046 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-next-20230816 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27272 pid:29046 ppid:18565 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+0x400/0xac0
task_work_run+0x174/0x280
do_exit+0xa92/0x2740
do_group_exit+0xd4/0x2a0
get_signal+0x2693/0x2720
arch_do_signal_or_restart+0x81/0x790
exit_to_user_mode_prepare+0xeb/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x73/0xdd
RIP: 0033:0x7fa406632b19
RSP: 002b:00007fa403ba8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fa406745f68 RCX: 00007fa406632b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa406745f68
RBP: 00007fa406745f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa406745f6c
R13: 00007ffd993781cf R14: 00007fa403ba8300 R15: 0000000000022000
INFO: task syz-executor.0:29073 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-next-20230816 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27312 pid:29073 ppid:18565 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+0x400/0xac0
task_work_run+0x174/0x280
do_exit+0xa92/0x2740
do_group_exit+0xd4/0x2a0
get_signal+0x2693/0x2720
arch_do_signal_or_restart+0x81/0x790
exit_to_user_mode_prepare+0xeb/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x73/0xdd
RIP: 0033:0x7fa406632b19
RSP: 002b:00007fa403ba8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fa406745f68 RCX: 00007fa406632b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa406745f68
RBP: 00007fa406745f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa406745f6c
R13: 00007ffd993781cf R14: 00007fa403ba8300 R15: 0000000000022000
INFO: task syz-executor.0:29093 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-next-20230816 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27312 pid:29093 ppid:18565 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+0x400/0xac0
task_work_run+0x174/0x280
do_exit+0xa92/0x2740
do_group_exit+0xd4/0x2a0
get_signal+0x2693/0x2720
arch_do_signal_or_restart+0x81/0x790
exit_to_user_mode_prepare+0xeb/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x73/0xdd
RIP: 0033:0x7fa406632b19
RSP: 002b:00007fa403ba8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fa406745f68 RCX: 00007fa406632b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa406745f68
RBP: 00007fa406745f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa406745f6c
R13: 00007ffd993781cf R14: 00007fa403ba8300 R15: 0000000000022000
INFO: task syz-executor.0:29224 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-next-20230816 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27312 pid:29224 ppid:18565 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+0x400/0xac0
task_work_run+0x174/0x280
do_exit+0xa92/0x2740
do_group_exit+0xd4/0x2a0
get_signal+0x2693/0x2720
arch_do_signal_or_restart+0x81/0x790
exit_to_user_mode_prepare+0xeb/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x73/0xdd
RIP: 0033:0x7fa406632b19
RSP: 002b:00007fa403ba8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fa406745f68 RCX: 00007fa406632b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa406745f68
RBP: 00007fa406745f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa406745f6c
R13: 00007ffd993781cf R14: 00007fa403ba8300 R15: 0000000000022000
INFO: task syz-executor.0:51592 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-next-20230816 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28664 pid:51592 ppid:18565 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+0x400/0xac0
task_work_run+0x174/0x280
do_exit+0xa92/0x2740
do_group_exit+0xd4/0x2a0
get_signal+0x2693/0x2720
arch_do_signal_or_restart+0x81/0x790
exit_to_user_mode_prepare+0xeb/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x73/0xdd
RIP: 0033:0x7fa406632b19
RSP: 002b:00007fa403ba8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fa406745f68 RCX: 00007fa406632b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa406745f68
RBP: 00007fa406745f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa406745f6c
R13: 00007ffd993781cf R14: 00007fa403ba8300 R15: 0000000000022000
INFO: task syz-executor.0:51594 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-next-20230816 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27312 pid:51594 ppid:18565 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+0x400/0xac0
task_work_run+0x174/0x280
do_exit+0xa92/0x2740
do_group_exit+0xd4/0x2a0
get_signal+0x2693/0x2720
arch_do_signal_or_restart+0x81/0x790
exit_to_user_mode_prepare+0xeb/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x73/0xdd
RIP: 0033:0x7fa406632b19
RSP: 002b:00007fa403ba8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fa406745f68 RCX: 00007fa406632b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa406745f68
RBP: 00007fa406745f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa406745f6c
R13: 00007ffd993781cf R14: 00007fa403ba8300 R15: 0000000000022000
INFO: task syz-executor.0:51725 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-next-20230816 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27312 pid:51725 ppid:18565 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+0x400/0xac0
task_work_run+0x174/0x280
do_exit+0xa92/0x2740
do_group_exit+0xd4/0x2a0
get_signal+0x2693/0x2720
arch_do_signal_or_restart+0x81/0x790
exit_to_user_mode_prepare+0xeb/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x73/0xdd
RIP: 0033:0x7fa406632b19
RSP: 002b:00007fa403ba8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fa406745f68 RCX: 00007fa406632b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa406745f68
RBP: 00007fa406745f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa406745f6c
R13: 00007ffd993781cf R14: 00007fa403ba8300 R15: 0000000000022000
INFO: task syz-executor.0:51755 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-next-20230816 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27312 pid:51755 ppid:18565 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+0x400/0xac0
task_work_run+0x174/0x280
do_exit+0xa92/0x2740
do_group_exit+0xd4/0x2a0
get_signal+0x2693/0x2720
arch_do_signal_or_restart+0x81/0x790
exit_to_user_mode_prepare+0xeb/0x180
syscall_exit_to_user_mode+0x1d/0x50
do_syscall_64+0x4c/0x90
entry_SYSCALL_64_after_hwframe+0x73/0xdd
RIP: 0033:0x7fa406632b19
RSP: 002b:00007fa403ba8218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fa406745f68 RCX: 00007fa406632b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa406745f68
RBP: 00007fa406745f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa406745f6c
R13: 00007ffd993781cf R14: 00007fa403ba8300 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/13:
#0: ffffffff8560dd10 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x734/0xe20
1 lock held by khungtaskd/28:
#0: ffffffff8560e8e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340
1 lock held by in:imklog/170:
4 locks held by rs:main Q:Reg/171:
2 locks held by agetty/213:
#0: ffff88800ecd2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x90
#1: ffffc900007ed2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfb9/0x14a0
1 lock held by syz-executor.4/4044:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/4098:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/4122:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/4152:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/7921:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/7928:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/7934:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/12493:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/12505:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/12537:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/14061:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/16899:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/16916:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/16947:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/16966:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/16994:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/17789:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/17807:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/17818:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/20447:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/20482:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/23618:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/29046:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/29073:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/29093:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/29224:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/51592:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/51594:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/51725:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/51755:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/51879:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/58721:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/58851:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.0/59032:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/62612:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/62635:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/62881:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
5 locks held by kworker/1:2/74307:
#0: ffff888008468d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x69e/0x1450
#1: ffff88803f427d98 ((optimizing_work).work){+.+.}-{0:0}, at: process_one_work+0x6d1/0x1450
#2: ffffffff856578e8 (kprobe_mutex){+.+.}-{3:3}, at: kprobe_optimizer+0x25/0x7e0
#3: ffffffff854e5310 (cpu_hotplug_lock){++++}-{0:0}, at: kprobe_optimizer+0x2a/0x7e0
#4: ffffffff854f9a88 (text_mutex){+.+.}-{3:3}, at: kprobe_optimizer+0x38/0x7e0
1 lock held by syz-executor.6/76269:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/76440:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/76619:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/76925:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.7/82220:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.7/82228:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.7/82361:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.7/82781:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 333 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 153753 jiffies old.
Please check any exiting tasks stuck between calls to exit_tasks_rcu_start() and exit_tasks_rcu_finish()
1 lock held by syz-executor.7/83006:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.4/91046:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
5 locks held by syz-executor.7/91159:
#0: ffffffff8566ab48 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
#1: ffffffff8565cc08 (tracepoints_mutex){+.+.}-{3:3}, at: tracepoint_probe_unregister+0x31/0xc60
#2: ffffffff854e5310 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_disable+0x12/0x20
#3: ffffffff8568d848 (jump_label_mutex){+.+.}-{3:3}, at: static_key_disable_cpuslocked+0x10c/0x1b0
#4: ffffffff854f9a88 (text_mutex){+.+.}-{3:3}, at: arch_jump_label_transform_queue+0x70/0x110
2 locks held by syz-executor.6/91165:
#0: ffffffff87b07e30 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70
#1: ffffffff856578e8 (kprobe_mutex){+.+.}-{3:3}, at: unregister_kretprobes.part.0+0x23/0x210
=============================================