EXT4-fs (loop4): failed to parse options in superblock: 
EXT4-fs (loop5): Unrecognized mount option "_ý" or missing value
EXT4-fs (loop4): mounted filesystem without journal. Opts: ; ,errors=continue
EXT4-fs (loop5): Unrecognized mount option "_ý" or missing value
INFO: task syz-executor.2:7524 blocked for more than 143 seconds.
      Not tainted 5.10.105 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:27952 pid: 7524 ppid:   288 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_ctx_lock_nested+0x243/0x4a0 kernel/events/core.c:1386
 perf_event_ctx_lock kernel/events/core.c:1399 [inline]
 perf_event_release_kernel+0x3a6/0xc20 kernel/events/core.c:5072
 perf_release+0x33/0x40 kernel/events/core.c:5170
 __fput+0x285/0x980 fs/file_table.c:281
 task_work_run+0xe2/0x1a0 kernel/task_work.c:151
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:164 [inline]
 exit_to_user_mode_prepare+0x155/0x160 kernel/entry/common.c:191
 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:266
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7ff7fd8c472b
RSP: 002b:00007ffe15bf70a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007ff7fd8c472b
RDX: 00007ff7fda2b118 RSI: 00000000000f4240 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ff7fda2a550
R10: 00000000001dbe46 R11: 0000000000000293 R12: 00000000000ff948
R13: 00000000000003e8 R14: 00007ff7fda24f60 R15: 00000000000ff8ab
INFO: task syz-executor.2:7550 blocked for more than 143 seconds.
      Not tainted 5.10.105 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:29496 pid: 7550 ppid:   288 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:11661 [inline]
 __perf_event_ctx_lock_double kernel/events/core.c:11720 [inline]
 __do_sys_perf_event_open+0x1244/0x2d00 kernel/events/core.c:11990
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7ff7fd911b19
RSP: 002b:00007ff7fae45188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007ff7fda250e0 RCX: 00007ff7fd911b19
RDX: 0000000000000000 RSI: 0000000000000136 RDI: 0000000020000000
RBP: 00007ff7fd96bf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe15bf703f R14: 00007ff7fae45300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84df6e20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6379
1 lock held by in:imklog/177:
 #0: ffff88800fdd19f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:974
1 lock held by syz-executor.2/7524:
 #0: ffff888044ea98b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_ctx_lock_nested+0x243/0x4a0 kernel/events/core.c:1386
3 locks held by syz-executor.2/7550:
 #0: ffff8880475a7ad8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2d00 kernel/events/core.c:11972
 #1: ffff888044ea98b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11660 [inline]
 #1: ffff888044ea98b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11720 [inline]
 #1: ffff888044ea98b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2d00 kernel/events/core.c:11990
 #2: ffff888044ea98b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11661 [inline]
 #2: ffff888044ea98b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11720 [inline]
 #2: ffff888044ea98b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2d00 kernel/events/core.c:11990

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