INFO: task syz-executor.3:7153 blocked for more than 143 seconds.
      Not tainted 5.10.232 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:27352 pid: 7153 ppid:   283 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:3797 [inline]
 __schedule+0x824/0x1ea0 kernel/sched/core.c:4545
 schedule+0xcb/0x270 kernel/sched/core.c:4623
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4682
 __mutex_lock_common kernel/locking/mutex.c:1047 [inline]
 __mutex_lock+0x7a8/0x10b0 kernel/locking/mutex.c:1109
 perf_event_init_context kernel/events/core.c:13026 [inline]
 perf_event_init_task+0x25a/0x800 kernel/events/core.c:13101
 copy_process+0x182e/0x7800 kernel/fork.c:2100
 kernel_clone+0xe7/0x980 kernel/fork.c:2506
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2623
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x67/0xd1
RIP: 0033:0x7f60212a8f41
RSP: 002b:00007ffd20088018 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f601e7db700 RCX: 00007f60212a8f41
RDX: 00007f601e7db9d0 RSI: 00007f601e7db2f0 RDI: 00000000003d0f00
RBP: 00007ffd20088250 R08: 00007f601e7db700 R09: 00007f601e7db700
R10: 00007f601e7db9d0 R11: 0000000000000206 R12: 00007ffd200880ce
R13: 00007ffd200880cf R14: 00007f601e7db300 R15: 0000000000022000
INFO: task syz-executor.3:7159 blocked for more than 143 seconds.
      Not tainted 5.10.232 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:29240 pid: 7159 ppid:   283 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:3797 [inline]
 __schedule+0x824/0x1ea0 kernel/sched/core.c:4545
 schedule+0xcb/0x270 kernel/sched/core.c:4623
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4682
 __mutex_lock_common kernel/locking/mutex.c:1047 [inline]
 __mutex_lock+0x7a8/0x10b0 kernel/locking/mutex.c:1109
 mutex_lock_double kernel/events/core.c:11716 [inline]
 __perf_event_ctx_lock_double kernel/events/core.c:11860 [inline]
 __do_sys_perf_event_open+0x1244/0x2e60 kernel/events/core.c:12133
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x67/0xd1
RIP: 0033:0x7f60212a7b19
RSP: 002b:00007f601e81d188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f60213baf60 RCX: 00007f60212a7b19
RDX: 0000000000000000 RSI: 0000000000000181 RDI: 0000000020001d80
RBP: 00007f6021301f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd200880cf R14: 00007f601e81d300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84ff9a20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x27b kernel/locking/lockdep.c:6407
1 lock held by in:imklog/177:
2 locks held by agetty/219:
 #0: ffff888016ec4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x90 drivers/tty/tty_ldisc.c:267
 #1: ffffc900007db2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xf22/0x14e0 drivers/tty/n_tty.c:2209
1 lock held by syz-executor.3/7153:
 #0: ffff888047b984b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_context kernel/events/core.c:13026 [inline]
 #0: ffff888047b984b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_task+0x25a/0x800 kernel/events/core.c:13101
3 locks held by syz-executor.3/7159:
 #0: ffff88800f7360d8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2e60 kernel/events/core.c:12115
 #1: ffff888047b984b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11715 [inline]
 #1: ffff888047b984b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11860 [inline]
 #1: ffff888047b984b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2e60 kernel/events/core.c:12133
 #2: ffff888047b984b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11716 [inline]
 #2: ffff888047b984b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11860 [inline]
 #2: ffff888047b984b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2e60 kernel/events/core.c:12133

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