EXT4-fs (sda): re-mounted. Opts: (null)
EXT4-fs (sda): re-mounted. Opts: (null)
serio: Serial port tty32
INFO: task syz-executor.4:15441 blocked for more than 143 seconds.
      Not tainted 5.10.163 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:27952 pid:15441 ppid:   286 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:3797 [inline]
 __schedule+0x848/0x1ed0 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+0x8e3/0x12a0 kernel/locking/mutex.c:1109
 perf_event_init_context kernel/events/core.c:12906 [inline]
 perf_event_init_task+0x25a/0x800 kernel/events/core.c:12981
 copy_process+0x180b/0x67d0 kernel/fork.c:2089
 kernel_clone+0xe7/0xa20 kernel/fork.c:2498
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2615
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f7f94c4ff41
RSP: 002b:00007ffc881f4fa8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f7f92182700 RCX: 00007f7f94c4ff41
RDX: 00007f7f921829d0 RSI: 00007f7f921822f0 RDI: 00000000003d0f00
RBP: 00007ffc881f51e0 R08: 00007f7f92182700 R09: 00007f7f92182700
R10: 00007f7f921829d0 R11: 0000000000000206 R12: 00007ffc881f505e
R13: 00007ffc881f505f R14: 00007f7f92182300 R15: 0000000000022000
INFO: task syz-executor.4:15443 blocked for more than 143 seconds.
      Not tainted 5.10.163 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:27952 pid:15443 ppid:   286 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:3797 [inline]
 __schedule+0x848/0x1ed0 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+0x8e3/0x12a0 kernel/locking/mutex.c:1109
 mutex_lock_double kernel/events/core.c:11598 [inline]
 __perf_event_ctx_lock_double kernel/events/core.c:11742 [inline]
 __do_sys_perf_event_open+0x1248/0x2cb0 kernel/events/core.c:12015
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f7f94c4eb19
RSP: 002b:00007f7f921c4188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f7f94d61f60 RCX: 00007f7f94c4eb19
RDX: 0000000000000000 RSI: 0000000000000354 RDI: 0000000020001d80
RBP: 00007f7f94ca8f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc881f505f R14: 00007f7f921c4300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84ff8320 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6390
1 lock held by in:imklog/177:
 #0: ffff88800c9645f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xed/0x110 fs/file.c:1017
1 lock held by syz-executor.4/15441:
 #0: ffff8880454c14b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_context kernel/events/core.c:12906 [inline]
 #0: ffff8880454c14b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_task+0x25a/0x800 kernel/events/core.c:12981
3 locks held by syz-executor.4/15443:
 #0: ffff888047419fd8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc5/0x2cb0 kernel/events/core.c:11997
 #1: ffff8880454c14b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11597 [inline]
 #1: ffff8880454c14b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11742 [inline]
 #1: ffff8880454c14b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x123b/0x2cb0 kernel/events/core.c:12015
 #2: ffff8880454c14b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11598 [inline]
 #2: ffff8880454c14b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11742 [inline]
 #2: ffff8880454c14b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1248/0x2cb0 kernel/events/core.c:12015

=============================================