R10: 0000000020000022 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcad65b30f R14: 00007f96d6754300 R15: 0000000000022000
EXT4-fs warning (device loop6): ext4_multi_mount_protect:340: MMP startup interrupted, failing mount
INFO: task syz-executor.1:10652 blocked for more than 143 seconds.
      Not tainted 5.10.188 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:29112 pid:10652 ppid:   282 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:3800 [inline]
 __schedule+0x824/0x1ea0 kernel/sched/core.c:4548
 schedule+0xcb/0x270 kernel/sched/core.c:4626
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4685
 __mutex_lock_common kernel/locking/mutex.c:1047 [inline]
 __mutex_lock+0x7a8/0x10b0 kernel/locking/mutex.c:1109
 mutex_lock_double kernel/events/core.c:11598 [inline]
 __perf_event_ctx_lock_double kernel/events/core.c:11742 [inline]
 __do_sys_perf_event_open+0x1248/0x2d50 kernel/events/core.c:12015
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7fde621a7b19
RSP: 002b:00007fde5f71d188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fde622baf60 RCX: 00007fde621a7b19
RDX: 0000000000000000 RSI: 00000000000002d0 RDI: 0000000020001d80
RBP: 00007fde62201f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff256fa55f R14: 00007fde5f71d300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84ff7ca0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x27b kernel/locking/lockdep.c:6390
1 lock held by in:imklog/178:
3 locks held by syz-executor.1/10652:
 #0: ffff88800e4a1fd8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc5/0x2d50 kernel/events/core.c:11997
 #1: ffff88800ba484b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11597 [inline]
 #1: ffff88800ba484b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11742 [inline]
 #1: ffff88800ba484b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x123b/0x2d50 kernel/events/core.c:12015
 #2: ffff88800ba484b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11598 [inline]
 #2: ffff88800ba484b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11742 [inline]
 #2: ffff88800ba484b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1248/0x2d50 kernel/events/core.c:12015

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