watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz.0.989:7098] Modules linked in: irq event stamp: 61688 hardirqs last enabled at (61687): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline] hardirqs last enabled at (61687): [] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91 hardirqs last disabled at (61688): [] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227 softirqs last enabled at (57254): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (57254): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (57137): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (57137): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (57137): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (57137): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 CPU: 1 PID: 7098 Comm: syz.0.989 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : csd_lock_wait kernel/smp.c:440 [inline] pc : smp_call_function_many_cond+0xa38/0x1044 kernel/smp.c:969 lr : csd_lock_wait kernel/smp.c:440 [inline] lr : smp_call_function_many_cond+0xa50/0x1044 kernel/smp.c:969 sp : ffff800020f67900 x29: ffff800020f67950 x28: 0000000000000000 x27: dfff800000000000 x26: 0000000000000011 x25: ffff0001b41c2940 x24: ffff800014ac0ff8 x23: 1fffe00036838528 x22: ffff0001b41a7dc8 x21: ffff800014cada80 x20: 0000000000000000 x19: ffff0001b41c2948 x18: 1fffe00036835d8e x17: 1fffe00036835d8e x16: ffff800011ac23e0 x15: ffff800014b5ef40 x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000000040000 x11: 000000000003ffff x10: ffff800020f7a000 x9 : 0000000000000000 x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000840ffa0 x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001 Call trace: __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:252 [inline] __cmpwait arch/arm64/include/asm/cmpxchg.h:278 [inline] csd_lock_wait kernel/smp.c:440 [inline] smp_call_function_many_cond+0xa38/0x1044 kernel/smp.c:969 smp_call_function_many+0x40/0x54 kernel/smp.c:993 clock_was_set+0x69c/0x784 kernel/time/hrtimer.c:974 do_settimeofday64+0x6cc/0x8d8 kernel/time/timekeeping.c:1328 do_sys_settimeofday64+0x1b8/0x23c kernel/time/time.c:195 posix_clock_realtime_set+0x24/0x34 kernel/time/posix-timers.c:190 __do_sys_clock_settime kernel/time/posix-timers.c:1124 [inline] __se_sys_clock_settime kernel/time/posix-timers.c:1112 [inline] __arm64_sys_clock_settime+0x1fc/0x248 kernel/time/posix-timers.c:1112 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584