INFO: task syz-executor.0:14132 blocked for more than 143 seconds.
      Not tainted 5.10.123 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:29232 pid:14132 ppid:   283 flags:0x10004004
Call Trace:
 context_switch kernel/sched/core.c:3792 [inline]
 __schedule+0x848/0x1e80 kernel/sched/core.c:4541
 schedule+0xcb/0x270 kernel/sched/core.c:4619
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4678
 __mutex_lock_common kernel/locking/mutex.c:1047 [inline]
 __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109
 mutex_lock_double kernel/events/core.c:11664 [inline]
 __perf_event_ctx_lock_double kernel/events/core.c:11723 [inline]
 __do_sys_perf_event_open+0x1244/0x2cb0 kernel/events/core.c:11996
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f4d3d0bfb19
RSP: 002b:00007f4d3a614188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f4d3d1d3020 RCX: 00007f4d3d0bfb19
RDX: 0000000000000000 RSI: 000000000000037c RDI: 0000000020000000
RBP: 00007f4d3d119f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffecc6bb82f R14: 00007f4d3a614300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/23:
 #0: ffffffff84df7460 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6389
2 locks held by kworker/u4:2/64:
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline]
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x8ac/0x1590 kernel/workqueue.c:2250
 #1: ffff88800da4fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x8df/0x1590 kernel/workqueue.c:2254
1 lock held by in:imklog/179:
2 locks held by kworker/u4:5/319:
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline]
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x8ac/0x1590 kernel/workqueue.c:2250
 #1: ffff888019347da8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x8df/0x1590 kernel/workqueue.c:2254
3 locks held by syz-executor.0/14132:
 #0: ffff888045127458 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2cb0 kernel/events/core.c:11978
 #1: ffff8880464330b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11663 [inline]
 #1: ffff8880464330b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11723 [inline]
 #1: ffff8880464330b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2cb0 kernel/events/core.c:11996
 #2: ffff8880464330b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11664 [inline]
 #2: ffff8880464330b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11723 [inline]
 #2: ffff8880464330b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2cb0 kernel/events/core.c:11996

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