INFO: task syz-executor.4:12040 blocked for more than 143 seconds.
      Not tainted 5.10.168 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:27952 pid:12040 ppid:   280 flags:0x00000004
Call Trace:
 context_switch kernel/sched/core.c:3797 [inline]
 __schedule+0x848/0x1ed0 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+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: 0033:0x7ff30be35f41
RSP: 002b:00007ffe8d7a4188 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ff309347700 RCX: 00007ff30be35f41
RDX: 00007ff3093479d0 RSI: 00007ff3093472f0 RDI: 00000000003d0f00
RBP: 00007ffe8d7a43c0 R08: 00007ff309347700 R09: 00007ff309347700
R10: 00007ff3093479d0 R11: 0000000000000206 R12: 00007ffe8d7a423e
R13: 00007ffe8d7a423f R14: 00007ff309347300 R15: 0000000000022000
INFO: task syz-executor.4:12051 blocked for more than 143 seconds.
      Not tainted 5.10.168 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:28904 pid:12051 ppid:   280 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:3797 [inline]
 __schedule+0x848/0x1ed0 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+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: 0033:0x7ff30be34b19
RSP: 002b:00007ff309389188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007ff30bf48020 RCX: 00007ff30be34b19
RDX: 0000000000000000 RSI: 00000000000002ad RDI: 0000000020001d80
RBP: 00007ff30be8ef6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe8d7a423f R14: 00007ff309389300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84ff8a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6390
2 locks held by in:imklog/178:
1 lock held by syz-executor.4/12040:
 #0: ffff88800ebc40b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_context kernel/events/core.c:12906 [inline]
 #0: ffff88800ebc40b0 (&ctx->mutex){+.+.}-{3:3}, at: perf_event_init_task+0x25a/0x800 kernel/events/core.c:12981
3 locks held by syz-executor.4/12051:
 #0: ffff88801cbb0c58 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc5/0x2cb0 kernel/events/core.c:11997
 #1: ffff88800ebc40b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11597 [inline]
 #1: ffff88800ebc40b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11742 [inline]
 #1: ffff88800ebc40b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x123b/0x2cb0 kernel/events/core.c:12015
 #2: ffff88800ebc40b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11598 [inline]
 #2: ffff88800ebc40b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11742 [inline]
 #2: ffff88800ebc40b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1248/0x2cb0 kernel/events/core.c:12015

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