watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz.3.3792:15178]
Modules linked in:
irq event stamp: 2214
hardirqs last  enabled at (2213): [<ffff8000868a1914>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:210 [inline]
hardirqs last  enabled at (2213): [<ffff8000868a1914>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:221
hardirqs last disabled at (2214): [<ffff80008687d580>] __el1_irq arch/arm64/kernel/entry-common.c:565 [inline]
hardirqs last disabled at (2214): [<ffff80008687d580>] el1_interrupt+0x28/0x60 arch/arm64/kernel/entry-common.c:581
softirqs last  enabled at (2200): [<ffff80008013aacc>] local_bh_enable include/linux/bottom_half.h:33 [inline]
softirqs last  enabled at (2200): [<ffff80008013aacc>] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline]
softirqs last  enabled at (2200): [<ffff80008013aacc>] fpsimd_restore_current_state+0x39c/0x9c8 arch/arm64/kernel/fpsimd.c:1781
softirqs last disabled at (2198): [<ffff80008013a774>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last disabled at (2198): [<ffff80008013a774>] get_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:234 [inline]
softirqs last disabled at (2198): [<ffff80008013a774>] fpsimd_restore_current_state+0x44/0x9c8 arch/arm64/kernel/fpsimd.c:1774
CPU: 0 UID: 0 PID: 15178 Comm: syz.3.3792 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline]
pc : _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:221
lr : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:210 [inline]
lr : _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:221
sp : ffff8000957b7940
x29: ffff8000957b7940 x28: dfff800000000000 x27: ffff700012af6f30
x26: ffff80008f4c8378 x25: 7fffffffffffffff x24: 0000000000000005
x23: ffff8000957b7a80 x22: 7fffffffffffffff x21: 0000000000000000
x20: ffff80008f4c83b8 x19: 0000000000000000 x18: 00000000d9b62114
x17: 00000000e6aceeae x16: 00000000e21c3258 x15: 00a033b800000000
x14: 7fffffffffffffff x13: 0000000000000001 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000003 x9 : 0000000000000001
x8 : 00000000000000c0 x7 : 0000000000000000 x6 : 0000047279552000
x5 : ffff80008f4c8278 x4 : 0000000000000008 x3 : ffff8000801557e8
x2 : 0000000000000000 x1 : ffff0000d820bb00 x0 : ffff80011b876000
Call trace:
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P)
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P)
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:210 [inline] (P)
 _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:221 (P)
 class_raw_spinlock_irqsave_destructor include/linux/spinlock.h:596 [inline]
 __do_adjtimex+0x91c/0xba0 kernel/time/timekeeping.c:3036
 do_adjtimex+0xc0/0x2f0 kernel/time/timekeeping.c:3047
 posix_clock_realtime_adj+0x20/0x30 kernel/time/posix-timers.c:207
 do_clock_adjtime+0x120/0x140 kernel/time/posix-timers.c:1169
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1181 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1172 [inline]
 __arm64_sys_clock_adjtime+0x184/0x2b0 kernel/time/posix-timers.c:1172
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606