watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz.8.193:5341] Modules linked in: irq event stamp: 4980 hardirqs last enabled at (4979): [<ffff800011b4cfb4>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline] hardirqs last enabled at (4979): [<ffff800011b4cfb4>] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91 hardirqs last disabled at (4980): [<ffff800011b4d1fc>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227 softirqs last enabled at (542): [<ffff8000081b691c>] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (542): [<ffff8000081b691c>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (439): [<ffff8000081b6fb4>] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (439): [<ffff8000081b6fb4>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (439): [<ffff8000081b6fb4>] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (439): [<ffff8000081b6fb4>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 CPU: 1 PID: 5341 Comm: syz.8.193 Not tainted 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 80400005 (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 : ffff8000220c7900 x29: ffff8000220c7950 x28: 0000000000000000 x27: dfff800000000000 x26: 0000000000000011 x25: ffff0001b41aa940 x24: ffff800014b71008 x23: 1fffe00036835528 x22: ffff0001b418fdc8 x21: ffff800014d5e600 x20: 0000000000000000 x19: ffff0001b41aa948 x18: ffff8000220c7620 x17: 0000000000000000 x16: ffff800011b4eaf8 x15: 0000000000000003 x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000001 x10: 0000000000000000 x9 : 0000000000000000 x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000840f070 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