ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [kworker/u4:10:2518]
Modules linked in:
irq event stamp: 296192
hardirqs last  enabled at (296191): [<ffffffff8a8cb9fb>] irqentry_exit+0x3b/0x80 kernel/entry/common.c:351
hardirqs last disabled at (296192): [<ffffffff8a8ca43e>] sysvec_apic_timer_interrupt+0xe/0xb0 arch/x86/kernel/apic/apic.c:1076
softirqs last  enabled at (296188): [<ffffffff8a9077c7>] softirq_handle_end kernel/softirq.c:399 [inline]
softirqs last  enabled at (296188): [<ffffffff8a9077c7>] __do_softirq+0x597/0x8de kernel/softirq.c:582
softirqs last disabled at (296183): [<ffffffff814ffaa7>] invoke_softirq kernel/softirq.c:427 [inline]
softirqs last disabled at (296183): [<ffffffff814ffaa7>] __irq_exit_rcu kernel/softirq.c:632 [inline]
softirqs last disabled at (296183): [<ffffffff814ffaa7>] irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
CPU: 0 PID: 2518 Comm: kworker/u4:10 Not tainted 6.7.0-syzkaller-12377-g9d1694dc91ce #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x20 kernel/kcov.c:303
Code: e6 fe ff ff 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 c8 fe ff ff 0f 1f 84 00 00 00 00 00 <f3> 0f 1e fa 48 8b 0c 24 89 f2 89 fe bf 05 00 00 00 e9 aa fe ff ff
RSP: 0018:ffffc90009f27928 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffff8880b9942020 RCX: ffffffff817c5c28
RDX: ffff888029171dc0 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000006 R12: ffffed1017328405
R13: 0000000000000001 R14: ffff8880b9942028 R15: ffff8880b983de80
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f88d2ba83b0 CR3: 000000000cf78000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 csd_lock_wait kernel/smp.c:311 [inline]
 smp_call_function_many_cond+0x508/0x1550 kernel/smp.c:855
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1023
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2087 [inline]
 text_poke_bp_batch+0x22b/0x750 arch/x86/kernel/alternative.c:2297
 text_poke_flush arch/x86/kernel/alternative.c:2488 [inline]
 text_poke_flush arch/x86/kernel/alternative.c:2485 [inline]
 text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2495
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x1d7/0x400 kernel/jump_label.c:829
 static_key_enable_cpuslocked+0x1b7/0x270 kernel/jump_label.c:205
 static_key_enable+0x1a/0x20 kernel/jump_label.c:218
 toggle_allocation_gate mm/kfence/core.c:826 [inline]
 toggle_allocation_gate+0xf4/0x250 mm/kfence/core.c:818
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>