watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [swapper/0:0]
Modules linked in:
irq event stamp: 277120
hardirqs last  enabled at (277119): [<ffff80008b80b0f4>] default_idle_call+0xf4/0x128 kernel/sched/idle.c:124
hardirqs last disabled at (277120): [<ffff80008b8056d0>] __el1_irq arch/arm64/kernel/entry-common.c:557 [inline]
hardirqs last disabled at (277120): [<ffff80008b8056d0>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:575
softirqs last  enabled at (276720): [<ffff8000803133e0>] softirq_handle_end kernel/softirq.c:407 [inline]
softirqs last  enabled at (276720): [<ffff8000803133e0>] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589
softirqs last disabled at (275957): [<ffff800080020db4>] __do_softirq+0x14/0x20 kernel/softirq.c:595
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.14.0-rc1-syzkaller-g2014c95afece #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:50
lr : default_idle_call+0xf8/0x128 kernel/sched/idle.c:124
sp : ffff80008fb47cf0
x29: ffff80008fb47cf0 x28: dfff800000000000 x27: 1ffff00011f68fac
x26: ffff80008fbcd000 x25: 0000000000000000 x24: 0000000000000001
x23: 1ffff00011f79ac0 x22: ffff80008fbcd600 x21: 0000000000000000
x20: ffff80008fbf6740 x19: ffff800080410fc8 x18: 1fffe000366f1c86
x17: ffff80008fbcd000 x16: ffff8000804108a8 x15: 0000000000000001
x14: 1fffe000366f392f x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : 0000000000000000
x8 : 0000000000043a7f x7 : ffff8000805c3da8 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008b809fe0
x2 : 0000000000000000 x1 : ffff80008b8ba180 x0 : ffff800123c76000
Call trace:
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P)
 arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P)
 cpuidle_idle_call kernel/sched/idle.c:185 [inline]
 do_idle+0x1ec/0x4e0 kernel/sched/idle.c:325
 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:423
 rest_init+0x2dc/0x2f4 init/main.c:743
 start_kernel+0x3f8/0x4f8 init/main.c:1099
 __primary_switched+0x8c/0x94 arch/arm64/kernel/head.S:246
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 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 : ffff800097d276f0
x29: ffff800097d27830 x28: 1fffe000366f9111 x27: dfff800000000000
x26: ffff0001b37aac88 x25: 0000000000000000 x24: 0000000000000008
x23: ffffffffffffffff x22: 1fffe000366f9110 x21: 0000000000000011
x20: ffff0001b37c8888 x19: ffff0001b37c8880 x18: dfff800000000000
x17: 00000000b7e2caf3 x16: ffff8000832d977c x15: 0000000000000001
x14: 1fffe000366f5591 x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000366f5592 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