tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 9 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 143570 jiffies old.
Please check any exiting tasks stuck between calls to exit_tasks_rcu_start() and exit_tasks_rcu_finish()
INFO: task kworker/0:0:7 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/0:0 state:D stack:26952 pid:7 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 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:29040 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.5:4870 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.5 state:D stack:26240 pid:4870 ppid:1091 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: 0033:0x7f93cf12db19
RSP: 002b:00007f93cc6a3218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f93cf240f68 RCX: 00007f93cf12db19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f93cf240f68
RBP: 00007f93cf240f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f93cf240f6c
R13: 00007ffe32920c1f R14: 00007f93cc6a3300 R15: 0000000000022000
INFO: task syz-executor.5:4873 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.5 state:D stack:28152 pid:4873 ppid:1091 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
ret_from_fork_asm+0x1b/0x30
RIP: 0033:0x7f93cf12db19
RSP: 002b:00007f93cc682188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039
RAX: 0000000000000000 RBX: 00007f93cf241020 RCX: 00007f93cf12db19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f93cf187f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe32920c1f R14: 00007f93cc682300 R15: 0000000000022000
INFO: task syz-executor.7:4885 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.7 state:D stack:26984 pid:4885 ppid:313 flags:0x00000004
Call Trace:
__schedule+0x9a9/0x2b00
schedule+0xdb/0x1a0
schedule_preempt_disabled+0x10/0x20
__mutex_lock+0xc10/0x1a30
disable_kprobe+0x21/0x70
__disable_trace_kprobe+0xef/0x190
disable_trace_kprobe+0x267/0x2e0
kprobe_register+0x69/0xd0
perf_trace_event_unreg.isra.0+0xae/0x1e0
perf_kprobe_destroy+0xc8/0x200
_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: 0033:0x7fb55e66e72b
RSP: 002b:00007ffecc0b7610 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fb55e66e72b
RDX: 0000000000000000 RSI: ffffffff81397bea RDI: 0000000000000004
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2e4235a0
R10: 0000000000000112 R11: 0000000000000293 R12: 00007fb55e7cfb60
R13: 00007fb55e7cfb60 R14: 00007fb55e7cef60 R15: 000000000003b870
INFO: task syz-executor.1:4908 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:29376 pid:4908 ppid:4236 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+0xf84/0x3a70
__do_sys_perf_event_open+0x4db/0x2ae0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fe7367a2b19
RSP: 002b:00007fe733d18188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fe7368b5f60 RCX: 00007fe7367a2b19
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007fe7367fcf6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc659cc1f R14: 00007fe733d18300 R15: 0000000000022000
INFO: task syz-executor.1:4915 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:26112 pid:4915 ppid:4236 flags:0x00000006
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
get_signal+0x1d3/0x2720
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: 0033:0x7fe7367a2b19
RSP: 002b:00007fe733cf7188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: fffffffffffffffc RBX: 00007fe7368b6020 RCX: 00007fe7367a2b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00
RBP: 00007fe7367fcf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc659cc1f R14: 00007fe733cf7300 R15: 0000000000022000
INFO: task syz-executor.5:4906 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.5 state:D stack:27344 pid:4906 ppid:1091 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: 0033:0x7f93cf12db19
RSP: 002b:00007f93cc6a3218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f93cf240f68 RCX: 00007f93cf12db19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f93cf240f68
RBP: 00007f93cf240f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f93cf240f6c
R13: 00007ffe32920c1f R14: 00007f93cc6a3300 R15: 0000000000022000
INFO: task syz-executor.6:4910 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.6 state:D stack:26984 pid:4910 ppid:680 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: 0033:0x7fd06430172b
RSP: 002b:00007ffc2ed94ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fd06430172b
RDX: 00007fd064468620 RSI: 0000000000000080 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffc2ed94c90 R11: 0000000000000293 R12: 000000000003ba9b
R13: 00000000000003e8 R14: 00007fd064461f60 R15: 000000000003b960
INFO: task syz-executor.3:4930 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.3 state:D stack:29648 pid:4930 ppid:302 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+0xf84/0x3a70
__do_sys_perf_event_open+0x4db/0x2ae0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fb6b9b7bb19
RSP: 002b:00007fb6b70f1188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fb6b9c8ef60 RCX: 00007fb6b9b7bb19
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007fb6b9bd5f6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe5e11bbdf R14: 00007fb6b70f1300 R15: 0000000000022000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
5 locks held by kworker/0:0/7:
#0: ffff888008468d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770
#1: ffff888008d5fd90 ((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 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/164:
#0: ffff88800eb9dc48 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xdf/0x100
#1: ffff88806ce39558 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1d0/0x2b00
1 lock held by syz-executor.5/4870:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.5/4873:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
2 locks held by syz-executor.7/4885:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_kprobe_destroy+0x27/0x200
#1: ffffffff85654f68 (kprobe_mutex){+.+.}-{3:3}, at: disable_kprobe+0x21/0x70
2 locks held by syz-executor.1/4908:
#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
1 lock held by syz-executor.1/4915:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.5/4906:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
1 lock held by syz-executor.6/4910:
#0: ffffffff856680a8 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0
2 locks held by syz-executor.3/4930:
#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.3/4932:
#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 9 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 153810 jiffies old.
Please check any exiting tasks stuck between calls to exit_tasks_rcu_start() and exit_tasks_rcu_finish()