kernel write not supported for file [eventfd] (pid: 4451 comm: kworker/1:3)
kernel write not supported for file [eventfd] (pid: 5 comm: kworker/0:0)
syz-executor.3 (5128) used greatest stack depth: 23856 bytes left
Bluetooth: hci7: command 0x0406 tx timeout
INFO: task syz-executor.6:5132 blocked for more than 143 seconds.
      Not tainted 5.10.96 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.6  state:D stack:27952 pid: 5132 ppid:   286 flags:0x10000004
Call Trace:
 context_switch kernel/sched/core.c:3791 [inline]
 __schedule+0x848/0x1e80 kernel/sched/core.c:4540
 schedule+0xcb/0x270 kernel/sched/core.c:4618
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4677
 __mutex_lock_common kernel/locking/mutex.c:1047 [inline]
 __mutex_lock+0x7c9/0x1250 kernel/locking/mutex.c:1109
 perf_event_init_context kernel/events/core.c:12862 [inline]
 perf_event_init_task+0x252/0x800 kernel/events/core.c:12937
 copy_process+0x1721/0x66c0 kernel/fork.c:2079
 kernel_clone+0xe7/0xa20 kernel/fork.c:2467
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2584
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fd29822ef41
RSP: 002b:00007ffc41fc4e18 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd29571f700 RCX: 00007fd29822ef41
RDX: 00007fd29571f9d0 RSI: 00007fd29571f2f0 RDI: 00000000003d0f00
RBP: 00007ffc41fc5050 R08: 00007fd29571f700 R09: 00007fd29571f700
R10: 00007fd29571f9d0 R11: 0000000000000206 R12: 00007ffc41fc4ece
R13: 00007ffc41fc4ecf R14: 00007fd29571f300 R15: 0000000000022000
INFO: task syz-executor.6:5177 blocked for more than 143 seconds.
      Not tainted 5.10.96 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.6  state:D stack:29232 pid: 5177 ppid:   286 flags:0x10004004
Call Trace:
 context_switch kernel/sched/core.c:3791 [inline]
 __schedule+0x848/0x1e80 kernel/sched/core.c:4540
 schedule+0xcb/0x270 kernel/sched/core.c:4618
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4677
 __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:11653 [inline]
 __perf_event_ctx_lock_double kernel/events/core.c:11712 [inline]
 __do_sys_perf_event_open+0x1244/0x2d00 kernel/events/core.c:11982
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fd29822db19
RSP: 002b:00007fd295740188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fd2983411a0 RCX: 00007fd29822db19
RDX: 0000000000000000 RSI: 000000000000003b RDI: 0000000020000000
RBP: 00007fd298287f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc41fc4ecf R14: 00007fd295740300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84df6a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6379
2 locks held by in:imklog/178:
1 lock held by syz-executor.6/5132:
 #0: ffff8880450174b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_context kernel/events/core.c:12862 [inline]
 #0: ffff8880450174b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_task+0x252/0x800 kernel/events/core.c:12937
3 locks held by syz-executor.6/5177:
 #0: ffff888016d87ad8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2d00 kernel/events/core.c:11964
 #1: ffff8880450174b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11652 [inline]
 #1: ffff8880450174b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11712 [inline]
 #1: ffff8880450174b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2d00 kernel/events/core.c:11982
 #2: ffff8880450174b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11653 [inline]
 #2: ffff8880450174b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11712 [inline]
 #2: ffff8880450174b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2d00 kernel/events/core.c:11982

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