watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/u8:2:43] Modules linked in: irq event stamp: 810490 hardirqs last enabled at (810489): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (810489): [] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (810490): [] __el1_irq arch/arm64/kernel/entry-common.c:557 [inline] hardirqs last disabled at (810490): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:575 softirqs last enabled at (810488): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (810488): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (810433): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 CPU: 0 UID: 0 PID: 43 Comm: kworker/u8:2 Not tainted 6.14.0-rc1-syzkaller-g2014c95afece #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: events_unbound toggle_allocation_gate pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : csd_lock_wait kernel/smp.c:340 [inline] pc : smp_call_function_many_cond+0x19b4/0x3298 kernel/smp.c:885 lr : csd_lock_wait kernel/smp.c:340 [inline] lr : smp_call_function_many_cond+0x19cc/0x3298 kernel/smp.c:885 sp : ffff8000993976f0 x29: ffff800099397830 x28: 1fffe000366f4911 x27: dfff800000000000 x26: ffff0001b37cd4a8 x25: 0000000000000001 x24: 0000000000000008 x23: ffffffffffffffff x22: 1fffe000366f4910 x21: 0000000000000011 x20: ffff0001b37a4888 x19: ffff0001b37a4880 x18: 1fffe000366f1c86 x17: ffff80008fbcd000 x16: ffff8000832d977c x15: 0000000000000001 x14: 1fffe000366f9a95 x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000366f9a96 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : 0000000000000011 x7 : ffff80008015c774 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000805f026c x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001 Call trace: __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:231 [inline] (P) __cmpwait arch/arm64/include/asm/cmpxchg.h:257 [inline] (P) csd_lock_wait kernel/smp.c:340 [inline] (P) smp_call_function_many_cond+0x19b4/0x3298 kernel/smp.c:885 (P) smp_call_function_many kernel/smp.c:909 [inline] smp_call_function kernel/smp.c:931 [inline] kick_all_cpus_sync+0x40/0xa0 kernel/smp.c:1076 arch_jump_label_transform_apply+0x14/0x20 arch/arm64/kernel/jump_label.c:34 __jump_label_update+0x30c/0x334 kernel/jump_label.c:521 jump_label_update+0x30c/0x3bc kernel/jump_label.c:920 static_key_enable_cpuslocked+0x140/0x230 kernel/jump_label.c:210 static_key_enable+0x24/0x38 kernel/jump_label.c:223 toggle_allocation_gate+0xc4/0x264 mm/kfence/core.c:850 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3398 kthread+0x65c/0x7b0 kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 Sending NMI from CPU 0 to CPUs 1: