syzbot

watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor247:4047]
Modules linked in:
irq event stamp: 9390
hardirqs last  enabled at (9389): [<ffff800011952c58>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (9389): [<ffff800011952c58>] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (9390): [<ffff800011952ea0>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (4938): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (4938): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587
softirqs last disabled at (4753): [<ffff8000081b573c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (4753): [<ffff8000081b573c>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (4753): [<ffff8000081b573c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636
CPU: 1 PID: 4047 Comm: syz-executor247 Not tainted 5.15.118-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
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+0xa50/0x1088 kernel/smp.c:969
lr : csd_lock_wait kernel/smp.c:440 [inline]
lr : smp_call_function_many_cond+0xa68/0x1088 kernel/smp.c:969
sp : ffff80001d047900
x29: ffff80001d047950 x28: ffff0001b482cd48 x27: dfff800000000000
x26: 0000000000000011 x25: ffff0001b482cd40 x24: ffff8000148f0ff8
x23: 1fffe000369059a8 x22: ffff0001b48131c8 x21: ffff800014adda40
x20: 0000000000000000 x19: ffff0001b482cd48 x18: ffff80001d047620
x17: 0000000000000000 x16: ffff8000119547c4 x15: 0000000000011af3
x14: 1ffff0000291e06a x13: ffffffffffffffff x12: 0000000000000000
x11: ff8080000840ef98 x10: 0000000000000000 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000840ef8c
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+0xa50/0x1088 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+0x6e0/0x8f0 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:185
 __do_sys_clock_settime kernel/time/posix-timers.c:1092 [inline]
 __se_sys_clock_settime kernel/time/posix-timers.c:1080 [inline]
 __arm64_sys_clock_settime+0x1fc/0x248 kernel/time/posix-timers.c:1080
 __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:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584