INFO: task syz-executor.0:3930 blocked for more than 143 seconds.
      Not tainted 6.0.0-syzkaller-00188-gf3dfe925f954 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:28136 pid: 3930 ppid:  3669 flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5183 [inline]
 __schedule+0xadf/0x52b0 kernel/sched/core.c:6495
 schedule+0xda/0x1b0 kernel/sched/core.c:6571
 perf_event_free_task+0x517/0x6c0 kernel/events/core.c:12916
 copy_process+0x3204/0x7090 kernel/fork.c:2536
 kernel_clone+0xe7/0xab0 kernel/fork.c:2671
 __do_sys_clone+0xba/0x100 kernel/fork.c:2805
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x461089
RSP: 002b:00007fa29c72a1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000461089
RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000002102001ffe
RBP: 0000000000000005 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004ea738 R14: 00000000004aba7b R15: 00007fa29c72a6bc
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
 #0: ffffffff8bf88b70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/14:
 #0: ffffffff8bf88870 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/29:
 #0: ffffffff8bf896c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6492
3 locks held by klogd/2962:
 #0: ffff8880b9b39f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:545
 #1: ffff8880b9b277c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: fs_reclaim_acquire+0xb2/0x160 mm/page_alloc.c:4687
 #2: ffff88807dd2c4b0 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xab/0x1e60 kernel/sched/core.c:4083
2 locks held by getty/3282:
 #0: ffff88807ece8098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc90002d162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef0/0x13e0 drivers/tty/n_tty.c:2177

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

NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.0.0-syzkaller-00188-gf3dfe925f954 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
 watchdog+0xc18/0xf50 kernel/hung_task.c:369
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.0.0-syzkaller-00188-gf3dfe925f954 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__this_cpu_preempt_check+0xd/0x20 lib/smp_processor_id.c:66
Code: 00 00 48 c7 c6 00 04 49 8a 48 c7 c7 40 04 49 8a e9 78 fe ff ff 0f 1f 84 00 00 00 00 00 55 48 89 fd 0f 1f 44 00 00 48 89 ee 5d <48> c7 c7 80 04 49 8a e9 57 fe ff ff cc cc cc cc cc cc cc 0f 1f 44
RSP: 0018:ffffc900000e7990 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff89ecac60 RDI: ffffffff89ecac60
RBP: ffffffff8bf89600 R08: ffffffff812bd848 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888011a68000
R13: 0000000000000000 R14: 00000000ffffffff R15: ffff888011a68af0
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bccaea8600 CR3: 000000000bc8e000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 lockdep_recursion_finish kernel/locking/lockdep.c:466 [inline]
 lock_is_held_type+0xd7/0x140 kernel/locking/lockdep.c:5710
 lock_is_held include/linux/lockdep.h:283 [inline]
 __might_resched+0x3a/0x2c0 kernel/sched/core.c:9855
 __mutex_lock_common kernel/locking/mutex.c:580 [inline]
 __mutex_lock+0x9f/0x1350 kernel/locking/mutex.c:747
 arch_jump_label_transform_queue+0x58/0x100 arch/x86/kernel/jump_label.c:136
 __jump_label_update+0x12e/0x410 kernel/jump_label.c:447
 jump_label_update+0x32f/0x410 kernel/jump_label.c:801
 static_key_disable_cpuslocked+0x152/0x1b0 kernel/jump_label.c:207
 static_key_disable+0x16/0x20 kernel/jump_label.c:215
 toggle_allocation_gate mm/kfence/core.c:825 [inline]
 toggle_allocation_gate+0x183/0x390 mm/kfence/core.c:803
 process_one_work+0x991/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>