EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
ext4 filesystem being mounted at /syzkaller-testdir364104470/syzkaller.nMuvpk/198/file0 supports timestamps until 2038 (0x7fffffff)
INFO: task syz-executor.3:13351 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.3  state:D stack:27952 pid:13351 ppid:   284 flags:0x10004004
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_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: 0033:0x7fd300add72b
RSP: 002b:00007ffe099be5a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fd300add72b
RDX: 00007fd300c43ff8 RSI: 0000000000000081 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 00007fd301042000 R11: 0000000000000293 R12: 00007fd300c43ff8
R13: 00007ffe099be6c0 R14: 00007fd300c3df60 R15: 000000000024d40d
INFO: task syz-executor.3:13352 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.3  state:D stack:29232 pid:13352 ppid:   284 flags:0x10004004
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: 0033:0x7fd300b2ab19
RSP: 002b:00007fd2fe0a0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fd300c3df60 RCX: 00007fd300b2ab19
RDX: 0000000000000000 RSI: 000000000000030f RDI: 0000000020001d80
RBP: 00007fd300b84f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe099be53f R14: 00007fd2fe0a0300 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 in:imklog/201:
 #0: ffff88800ccbf9f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:1003
1 lock held by syz-executor.3/13351:
 #0: ffff88805b3b38b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_ctx_lock_nested+0x243/0x4a0 kernel/events/core.c:1386
3 locks held by syz-executor.3/13352:
 #0: ffff888008e8acd8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2cb0 kernel/events/core.c:11978
 #1: ffff88805b3b38b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11663 [inline]
 #1: ffff88805b3b38b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11723 [inline]
 #1: ffff88805b3b38b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2cb0 kernel/events/core.c:11996
 #2: ffff88805b3b38b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11664 [inline]
 #2: ffff88805b3b38b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11723 [inline]
 #2: ffff88805b3b38b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2cb0 kernel/events/core.c:11996

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