watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/u8:5:1546] Modules linked in: irq event stamp: 1008394 hardirqs last enabled at (1008393): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (1008393): [] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (1008394): [] __el1_irq arch/arm64/kernel/entry-common.c:557 [inline] hardirqs last disabled at (1008394): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:575 softirqs last enabled at (1008386): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (1008386): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (1008349): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 CPU: 1 UID: 0 PID: 1546 Comm: kworker/u8:5 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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+0x19c8/0x32a8 kernel/smp.c:884 lr : csd_lock_wait kernel/smp.c:340 [inline] lr : smp_call_function_many_cond+0x19e0/0x32a8 kernel/smp.c:884 sp : ffff80009f897770 x29: ffff80009f8978b0 x28: 1fffe00036703701 x27: ffffffffffffffff x26: ffff0001b37fdc08 x25: 0000000000000000 x24: 0000000000000008 x23: dfff800000000000 x22: 1fffe00036703700 x21: 0000000000000011 x20: ffff0001b381b808 x19: ffff0001b381b800 x18: dfff800000000000 x17: 000000004573a5a2 x16: ffff800083275834 x15: 0000000000000001 x14: 1fffe000366ffb81 x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000366ffb82 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : 0000000000000011 x7 : ffff80008015c4d8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000805ecbd4 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+0x19c8/0x32a8 kernel/smp.c:884 (P) smp_call_function_many kernel/smp.c:908 [inline] smp_call_function kernel/smp.c:930 [inline] kick_all_cpus_sync+0x40/0xa0 kernel/smp.c:1075 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:849 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3391 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862