EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue
ext4 filesystem being mounted at /syzkaller-testdir964447042/syzkaller.4sCBPf/66/file0 supports timestamps until 2038 (0x7fffffff)
INFO: task syz-executor.2:7148 blocked for more than 143 seconds.
      Not tainted 5.10.147 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:27952 pid: 7148 ppid:   285 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: 0033:0x7faad1d7b72b
RSP: 002b:00007ffd5c1a0d90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 00007faad1d7b72b
RDX: 00007faad1ee5660 RSI: 0000000000000081 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007faad1ee5660
R13: 00007ffd5c1a0eb0 R14: 00007faad1edbf60 R15: 0000000000102fac
INFO: task syz-executor.2:7163 blocked for more than 143 seconds.
      Not tainted 5.10.147 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:29496 pid: 7163 ppid:   285 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: 0033:0x7faad1dc8b19
RSP: 002b:00007faacf2db188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007faad1edc1a0 RCX: 00007faad1dc8b19
RDX: 0000000000000000 RSI: 000000000000014c RDI: 0000000020000000
RBP: 00007faad1e22f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd5c1a0d2f R14: 00007faacf2db300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/23:
 #0: ffffffff84ff80a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6390
2 locks held by in:imklog/196:
1 lock held by syz-executor.2/7148:
 #0: ffff8880439c88b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_ctx_lock_nested+0x243/0x4a0 kernel/events/core.c:1386
3 locks held by syz-executor.2/7163:
 #0: ffff88804492a658 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc5/0x2cb0 kernel/events/core.c:11995
 #1: ffff8880439c88b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11595 [inline]
 #1: ffff8880439c88b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline]
 #1: ffff8880439c88b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x123b/0x2cb0 kernel/events/core.c:12013
 #2: ffff8880439c88b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11596 [inline]
 #2: ffff8880439c88b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline]
 #2: ffff8880439c88b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1248/0x2cb0 kernel/events/core.c:12013

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