tmpfs: Unsupported parameter 'huge'
9pnet_virtio: no channels available for device ./file0
tmpfs: Unsupported parameter 'huge'
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
INFO: task syz-executor.3:11385 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.3  state:D stack:27952 pid:11385 ppid: 10031 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: 0033:0x7fc93165172b
RSP: 002b:00007fff4bc227c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007fc93165172b
RDX: 00007fc9317b9ef0 RSI: 0000000000000081 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 00007fc931bb6000 R11: 0000000000000293 R12: 00007fc9317b9ef0
R13: 00007fff4bc228e0 R14: 00007fc9317b1f60 R15: 0000000000214d70
INFO: task syz-executor.3:11393 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.3  state:D stack:29496 pid:11393 ppid: 10031 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: 0033:0x7fc93169eb19
RSP: 002b:00007fc92ebf3188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fc9317b2020 RCX: 00007fc93169eb19
RDX: 0000000000000000 RSI: 0000000000000068 RDI: 0000000020000000
RBP: 00007fc9316f8f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff4bc2275f R14: 00007fc92ebf3300 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/179:
2 locks held by rs:main Q:Reg/180:
 #0: ffff88800c89caf0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xed/0x110 fs/file.c:1003
 #1: ffff88800f898438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x260 fs/read_write.c:658
1 lock held by syz-executor.3/11385:
 #0: ffff8880463dfcb0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_ctx_lock_nested+0x243/0x4a0 kernel/events/core.c:1386
3 locks held by syz-executor.3/11393:
 #0: ffff8880453e60d8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc5/0x2cb0 kernel/events/core.c:11995
 #1: ffff8880463dfcb0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11595 [inline]
 #1: ffff8880463dfcb0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline]
 #1: ffff8880463dfcb0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x123b/0x2cb0 kernel/events/core.c:12013
 #2: ffff8880463dfcb0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11596 [inline]
 #2: ffff8880463dfcb0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11740 [inline]
 #2: ffff8880463dfcb0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1248/0x2cb0 kernel/events/core.c:12013

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