FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
INFO: task syz-executor.4:12016 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.4  state:D stack:27952 pid:12016 ppid:   288 flags:0x00004000
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
 perf_event_exit_task_context kernel/events/core.c:12457 [inline]
 perf_event_exit_task+0x2aa/0xda0 kernel/events/core.c:12523
 do_exit+0xc2b/0x2770 kernel/exit.c:820
 do_group_exit+0x125/0x310 kernel/exit.c:908
 __do_sys_exit_group kernel/exit.c:919 [inline]
 __se_sys_exit_group kernel/exit.c:917 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:917
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f5d7361fb19
RSP: 002b:00007ffc9a0c0e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f5d7361fb19
RDX: 00007f5d735d272b RSI: ffffffffffffffbc RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000001 R15: 00007ffc9a0c0f30
INFO: task syz-executor.4:12022 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.4  state:D stack:27456 pid:12022 ppid:   288 flags:0x00004004
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: 0033:0x7f5d7361fb19
RSP: 002b:00007f5d70b95188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f5d73732f60 RCX: 00007f5d7361fb19
RDX: 0000000000000000 RSI: 00000000000002b9 RDI: 0000000020001d80
RBP: 00007f5d73679f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc9a0c0c1f R14: 00007f5d70b95300 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
1 lock held by systemd-journal/102:
1 lock held by in:imklog/178:
2 locks held by rs:main Q:Reg/179:
 #0: ffff88800cf18d70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:1003
 #1: ffff88800f8ba438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658
1 lock held by syz-executor.4/12016:
 #0: ffff8880468a0cb0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_exit_task_context kernel/events/core.c:12457 [inline]
 #0: ffff8880468a0cb0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_exit_task+0x2aa/0xda0 kernel/events/core.c:12523
3 locks held by syz-executor.4/12022:
 #0: ffff88804c8f46d8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2cb0 kernel/events/core.c:11978
 #1: ffff8880468a0cb0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11663 [inline]
 #1: ffff8880468a0cb0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11723 [inline]
 #1: ffff8880468a0cb0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2cb0 kernel/events/core.c:11996
 #2: ffff8880468a0cb0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11664 [inline]
 #2: ffff8880468a0cb0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11723 [inline]
 #2: ffff8880468a0cb0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2cb0 kernel/events/core.c:11996

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