INFO: task syz-executor.5:6181 blocked for more than 143 seconds. Not tainted 5.10.60 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:26272 pid: 6181 ppid: 284 flags:0x10004004 Call Trace: context_switch kernel/sched/core.c:3774 [inline] __schedule+0x84b/0x1e90 kernel/sched/core.c:4523 schedule+0xcb/0x270 kernel/sched/core.c:4601 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4660 __mutex_lock_common kernel/locking/mutex.c:1046 [inline] __mutex_lock+0x828/0x12e0 kernel/locking/mutex.c:1114 mutex_lock_double kernel/events/core.c:11593 [inline] __perf_event_ctx_lock_double kernel/events/core.c:11652 [inline] __do_sys_perf_event_open+0x1234/0x2c80 kernel/events/core.c:11922 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466609 RSP: 002b:00007fbd6747d188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 0000000000466609 RDX: 0000000000000000 RSI: 0000000000000083 RDI: 0000000020001d80 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000006 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffcb518d13f R14: 00007fbd6747d300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df66e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6377 1 lock held by systemd-journal/103: 1 lock held by in:imklog/179: 3 locks held by kworker/u4:5/316: 3 locks held by syz-executor.5/6181: #0: ffff888041a253d8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfbf/0x2c80 kernel/events/core.c:11904 #1: ffff88801cdae4b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11592 [inline] #1: ffff88801cdae4b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11652 [inline] #1: ffff88801cdae4b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1227/0x2c80 kernel/events/core.c:11922 #2: ffff88801cdae4b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11593 [inline] #2: ffff88801cdae4b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11652 [inline] #2: ffff88801cdae4b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1234/0x2c80 kernel/events/core.c:11922 =============================================