tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 85 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 153807 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-rc3-next-20230727 #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 INFO: task kworker/1:1:28 blocked for more than 143 seconds. Not tainted 6.5.0-rc3-next-20230727 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:25496 pid:28 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.0:6145 blocked for more than 143 seconds. Not tainted 6.5.0-rc3-next-20230727 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27344 pid:6145 ppid:268 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: 0033:0x7f4417bfeb19 RSP: 002b:00007f4415174218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f4417d11f68 RCX: 00007f4417bfeb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4417d11f68 RBP: 00007f4417d11f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4417d11f6c R13: 00007fffcc41a45f R14: 00007f4415174300 R15: 0000000000022000 INFO: task syz-executor.0:6158 blocked for more than 143 seconds. Not tainted 6.5.0-rc3-next-20230727 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27344 pid:6158 ppid:268 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: 0033:0x7f4417bfeb19 RSP: 002b:00007f4415174218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f4417d11f68 RCX: 00007f4417bfeb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4417d11f68 RBP: 00007f4417d11f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4417d11f6c R13: 00007fffcc41a45f R14: 00007f4415174300 R15: 0000000000022000 INFO: task syz-executor.0:6167 blocked for more than 143 seconds. Not tainted 6.5.0-rc3-next-20230727 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27344 pid:6167 ppid:268 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: 0033:0x7f4417bfeb19 RSP: 002b:00007f4415174218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f4417d11f68 RCX: 00007f4417bfeb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4417d11f68 RBP: 00007f4417d11f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4417d11f6c R13: 00007fffcc41a45f R14: 00007f4415174300 R15: 0000000000022000 INFO: task syz-executor.0:7076 blocked for more than 143 seconds. Not tainted 6.5.0-rc3-next-20230727 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27104 pid:7076 ppid:268 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: 0033:0x7f4417bfeb19 RSP: 002b:00007f4415132218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f4417d120e8 RCX: 00007f4417bfeb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4417d120e8 RBP: 00007f4417d120e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4417d120ec R13: 00007fffcc41a45f R14: 00007f4415132300 R15: 0000000000022000 INFO: task syz-executor.0:7669 blocked for more than 143 seconds. Not tainted 6.5.0-rc3-next-20230727 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27344 pid:7669 ppid:268 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: 0033:0x7f4417bfeb19 RSP: 002b:00007f4415174218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f4417d11f68 RCX: 00007f4417bfeb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4417d11f68 RBP: 00007f4417d11f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4417d11f6c R13: 00007fffcc41a45f R14: 00007f4415174300 R15: 0000000000022000 INFO: task syz-executor.0:7674 blocked for more than 143 seconds. Not tainted 6.5.0-rc3-next-20230727 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:28576 pid:7674 ppid:268 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: 0033:0x7f4417bfeb19 RSP: 002b:00007f4415153218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f4417d12028 RCX: 00007f4417bfeb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4417d12028 RBP: 00007f4417d12020 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4417d1202c R13: 00007fffcc41a45f R14: 00007f4415153300 R15: 0000000000022000 INFO: task syz-executor.0:7702 blocked for more than 143 seconds. Not tainted 6.5.0-rc3-next-20230727 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27344 pid:7702 ppid:268 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: 0033:0x7f4417bfeb19 RSP: 002b:00007f4415174218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f4417d11f68 RCX: 00007f4417bfeb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4417d11f68 RBP: 00007f4417d11f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4417d11f6c R13: 00007fffcc41a45f R14: 00007f4415174300 R15: 0000000000022000 INFO: task syz-executor.0:7706 blocked for more than 143 seconds. Not tainted 6.5.0-rc3-next-20230727 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27344 pid:7706 ppid:268 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: 0033:0x7f4417bfeb19 RSP: 002b:00007f4415174218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f4417d11f68 RCX: 00007f4417bfeb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4417d11f68 RBP: 00007f4417d11f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4417d11f6c R13: 00007fffcc41a45f R14: 00007f4415174300 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 (((tcp_md5_needed).work).work){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770 #2: ffffffff854e3210 (cpu_hotplug_lock){++++}-{0:0}, at: jump_label_update_timeout+0x17/0x50 #3: ffffffff8568a828 (jump_label_mutex){+.+.}-{3:3}, at: __static_key_slow_dec_cpuslocked.part.0+0x18/0x60 #4: ffffffff854f77e8 (text_mutex){+.+.}-{3:3}, at: arch_jump_label_transform_queue+0x5c/0x110 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8560b910 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xe10 1 lock held by khungtaskd/25: #0: ffffffff8560c4e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 5 locks held by kworker/1:1/28: #0: ffff888008468d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770 #1: ffff888008f0fd90 ((optimizing_work).work){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770 #2: ffffffff85655228 (kprobe_mutex){+.+.}-{3:3}, at: kprobe_optimizer+0x25/0x7e0 #3: ffffffff854e3210 (cpu_hotplug_lock){++++}-{0:0}, at: kprobe_optimizer+0x2a/0x7e0 #4: ffffffff854f77e8 (text_mutex){+.+.}-{3:3}, at: kprobe_optimizer+0x38/0x7e0 1 lock held by in:imklog/167: 3 locks held by rs:main Q:Reg/168: 2 locks held by agetty/204: #0: ffff88800953e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x90 #1: ffffc900007a52f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfb9/0x14a0 1 lock held by syz-executor.2/4600: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/4613: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.6/5300: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/5430: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/5464: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/5488: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/5504: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/6111: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/6144: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/6145: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/6158: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/6167: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/6168: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/6188: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/7076: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/7164: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/7669: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/7674: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/7692: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/7699: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/7702: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/7706: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/7720: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/7728: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/7729: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.2/7734: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/7759: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.2/7760: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/7765: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/7777: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/7789: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/7810: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.2/7817: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/8486: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/8527: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/8537: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/8573: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/8575: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/8584: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/8611: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/8615: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/8616: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/8643: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/8648: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/8670: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/8673: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/8676: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/12830: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/12863: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/12900: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/12940: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/15727: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/16332: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/16395: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/16447: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/17443: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/17470: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/17473: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/17476: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/17490: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/17492: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/17530: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.0/17531: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/17633: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.5/17780: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/19480: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/19620: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.6/19656: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.6/19662: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/19665: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.6/19681: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.4/19693: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.6/19713: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.6/19833: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.7/19837: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.2/23479: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.2/23619: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 1 lock held by syz-executor.1/26788: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 2 locks held by syz-executor.1/26793: #0: ffffffff87badd70 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70 #1: ffffffff85655228 (kprobe_mutex){+.+.}-{3:3}, at: register_kprobe+0x131/0x1580 1 lock held by syz-executor.6/26792: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 2 locks held by syz-executor.5/26802: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_kprobe_destroy+0x27/0x200 #1: ffffffff85655228 (kprobe_mutex){+.+.}-{3:3}, at: disable_kprobe+0x21/0x70 1 lock held by syz-executor.2/26844: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 2 locks held by syz-executor.4/26920: #0: ffffffff87badd70 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70 #1: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0 1 lock held by syz-executor.2/26924: #0: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_destroy+0x27/0x1c0 2 locks held by syz-executor.2/26930: #0: ffffffff87badd70 (&pmus_srcu){.+.+}-{0:0}, at: perf_event_alloc.part.0+0xcd2/0x3a70 #1: ffffffff85668368 (event_mutex){+.+.}-{3:3}, at: perf_trace_init+0x4d/0x2f0 ============================================= tasks_rcu_exit_srcu_stall: rcu_tasks grace period number 85 (since boot) gp_state: RTGS_POST_SCAN_TASKLIST is 164047 jiffies old. Please check any exiting tasks stuck between calls to exit_tasks_rcu_start() and exit_tasks_rcu_finish()