watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz.6.1071:7373]
Modules linked in:
irq event stamp: 5336
hardirqs last  enabled at (5335): [<ffff80001195ed0c>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (5335): [<ffff80001195ed0c>] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (5336): [<ffff80001195cd20>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (5336): [<ffff80001195cd20>] el1_interrupt+0x24/0x54 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (862): [<ffff8000081a967c>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (862): [<ffff8000081a967c>] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624
softirqs last disabled at (371): [<ffff800008020164>] __do_softirq+0x14/0x20 kernel/softirq.c:630
CPU: 0 PID: 7373 Comm: syz.6.1071 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : csd_lock_wait kernel/smp.c:424 [inline]
pc : smp_call_function_many_cond+0x1384/0x1460 kernel/smp.c:998
lr : csd_lock_wait kernel/smp.c:424 [inline]
lr : smp_call_function_many_cond+0x139c/0x1460 kernel/smp.c:998
sp : ffff8000221d7930
x29: ffff8000221d7990 x28: 0000000000000001 x27: ffff8000150bd000
x26: 0000000000000011 x25: ffff8000150c1140 x24: ffff00019f6d11c0
x23: 1fffe00033eda238 x22: dfff800000000000 x21: ffff00019f6f6a08
x20: 0000000000000001 x19: ffff8000152ba060 x18: ffff800011abbcc0
x17: 1fffe00033ed797e x16: ffff8000082d25ac x15: 0000000040000000
x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000080000
x11: 000000000007ffff x10: ffff800025c59000 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff8000083fffb4
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:424 [inline]
 smp_call_function_many_cond+0x1384/0x1460 kernel/smp.c:998
 smp_call_function_many+0x40/0x54 kernel/smp.c:1021
 clock_was_set+0x6f0/0x7ec kernel/time/hrtimer.c:995
 do_settimeofday64+0x4b4/0x65c kernel/time/timekeeping.c:1345
 do_sys_settimeofday64+0x1b0/0x234 kernel/time/time.c:195
 posix_clock_realtime_set+0x24/0x34 kernel/time/posix-timers.c:191
 __do_sys_clock_settime kernel/time/posix-timers.c:1125 [inline]
 __se_sys_clock_settime kernel/time/posix-timers.c:1113 [inline]
 __arm64_sys_clock_settime+0x1fc/0x248 kernel/time/posix-timers.c:1113
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585