EXT4-fs (loop6): feature flags set on rev 0 fs, running e2fsck is recommended
EXT4-fs (loop6): Couldn't mount because of unsupported optional features (ee781800)
FAT-fs (loop2): Unrecognized mount option "fsname=" or missing value
INFO: task syz-executor.0:5316 blocked for more than 143 seconds.
      Not tainted 5.10.153 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:27952 pid: 5316 ppid:   288 flags:0x00000004
Call Trace:
 context_switch kernel/sched/core.c:3797 [inline]
 __schedule+0x848/0x1e90 kernel/sched/core.c:4546
 schedule+0xcb/0x270 kernel/sched/core.c:4624
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4683
 __mutex_lock_common kernel/locking/mutex.c:1047 [inline]
 __mutex_lock+0x7cd/0x1260 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+0x33/0x50 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+0x61/0xc6
RIP: 0033:0x7fc02815172b
RSP: 002b:00007ffd46bb99d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007fc02815172b
RDX: 00007fc0282b98c8 RSI: 0000000000000081 RDI: 0000000000000006
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007fc0282b98c8
R13: 00007ffd46bb9af0 R14: 00007fc0282b1f60 R15: 000000000007792b
INFO: task syz-executor.0:5327 blocked for more than 143 seconds.
      Not tainted 5.10.153 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:29368 pid: 5327 ppid:   288 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:3797 [inline]
 __schedule+0x848/0x1e90 kernel/sched/core.c:4546
 schedule+0xcb/0x270 kernel/sched/core.c:4624
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4683
 __mutex_lock_common kernel/locking/mutex.c:1047 [inline]
 __mutex_lock+0x7cd/0x1260 kernel/locking/mutex.c:1109
 mutex_lock_double kernel/events/core.c:11596 [inline]
 __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline]
 __do_sys_perf_event_open+0x1248/0x2cb0 kernel/events/core.c:12013
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7fc02819eb19
RSP: 002b:00007fc0256f3188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fc0282b2020 RCX: 00007fc02819eb19
RDX: 0000000000000000 RSI: 000000000000007a RDI: 0000000020000000
RBP: 00007fc0281f8f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd46bb996f R14: 00007fc0256f3300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84ff80a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6390
1 lock held by in:imklog/178:
 #0: ffff88800cb65270 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xed/0x110 fs/file.c:1003
1 lock held by syz-executor.0/5316:
 #0: ffff88804631f0b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_ctx_lock_nested+0x243/0x4a0 kernel/events/core.c:1386
3 locks held by syz-executor.0/5327:
 #0: ffff888016e2e758 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc5/0x2cb0 kernel/events/core.c:11995
 #1: ffff88804631f0b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11595 [inline]
 #1: ffff88804631f0b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline]
 #1: ffff88804631f0b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x123b/0x2cb0 kernel/events/core.c:12013
 #2: ffff88804631f0b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11596 [inline]
 #2: ffff88804631f0b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline]
 #2: ffff88804631f0b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1248/0x2cb0 kernel/events/core.c:12013

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