watchdog: BUG: soft lockup - CPU#0 stuck for 24s! [syz.3.1847:10490]
Modules linked in:
irq event stamp: 18772
hardirqs last  enabled at (18771): [<ffff800011a50b8c>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (18771): [<ffff800011a50b8c>] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (18772): [<ffff800011a4ecd4>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (18772): [<ffff800011a4ecd4>] el1_interrupt+0x24/0x54 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (566): [<ffff8000081acd08>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (566): [<ffff8000081acd08>] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624
softirqs last disabled at (489): [<ffff800008020e4c>] __do_softirq+0x14/0x20 kernel/softirq.c:630
CPU: 0 PID: 10490 Comm: syz.3.1847 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
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+0x1358/0x142c kernel/smp.c:998
lr : csd_lock_wait kernel/smp.c:424 [inline]
lr : smp_call_function_many_cond+0x1370/0x142c kernel/smp.c:998
sp : ffff800021cc76b0
x29: ffff800021cc7710 x28: 0000000000000001 x27: ffff80001523d000
x26: 0000000000000011 x25: ffff800015240f40 x24: ffff00019f5101c0
x23: 1fffe00033ea2038 x22: dfff800000000000 x21: ffff00019f535a08
x20: 0000000000000001 x19: ffff80001543a760 x18: 000000003176f569
x17: 0000000026cb2660 x16: ffff800011a529a8 x15: 00004c4b40000000
x14: 0000000000000001 x13: 1fffe00033ea6b41 x12: 0000000000080000
x11: 000000000007ffff x10: ffff800027f09000 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008409674
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+0x1358/0x142c kernel/smp.c:998
 smp_call_function_many+0x40/0x54 kernel/smp.c:1021
 clock_was_set+0x6f0/0x7f4 kernel/time/hrtimer.c:988
 timekeeping_inject_offset+0x4f0/0x5a0 kernel/time/timekeeping.c:1395
 do_adjtimex+0x430/0x8ec kernel/time/timekeeping.c:2444
 posix_clock_realtime_adj+0x20/0x30 kernel/time/posix-timers.c:197
 do_clock_adjtime kernel/time/posix-timers.c:1155 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1167 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1158 [inline]
 __arm64_sys_clock_adjtime+0x29c/0x468 kernel/time/posix-timers.c:1158
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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