watchdog: BUG: soft lockup - CPU#0 stuck for 36s! [udevd:3652]
Modules linked in:
irq event stamp: 1723514
hardirqs last  enabled at (1723513): [<ffff80000805b198>] local_daif_restore arch/arm64/include/asm/daifflags.h:75 [inline]
hardirqs last  enabled at (1723513): [<ffff80000805b198>] el0_svc_common+0x9c/0x258 arch/arm64/kernel/syscall.c:107
hardirqs last disabled at (1723514): [<ffff8000111baf54>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (1722314): [<ffff800008031f40>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (1722312): [<ffff800008031f0c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
CPU: 0 PID: 3652 Comm: udevd Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : lock_release+0x4a0/0x8e8 arch/arm64/include/asm/irqflags.h:-1
lr : lockdep_recursion_finish kernel/locking/lockdep.c:436 [inline]
lr : lock_release+0x468/0x8e8 kernel/locking/lockdep.c:5645
sp : ffff800021467a40
x29: ffff800021467a80 x28: ffff8000140c3d40 x27: ffff0000d6cdb680
x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000d6cdc060
x23: 0000000000000001 x22: ffff0001a10c5d40 x21: ffffffffffffffff
x20: 0000000000000000 x19: ffff0001a10c5d40 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000111bc798 x15: 0000000000000002
x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000080
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : ffff80001131c340 x0 : 0000000000000000
Call trace:
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 lock_release+0x4a0/0x8e8 kernel/locking/lockdep.c:5646
 __might_fault+0xf4/0x128 mm/memory.c:5357
 do_strncpy_from_user lib/strncpy_from_user.c:41 [inline]
 strncpy_from_user+0x194/0x598 lib/strncpy_from_user.c:139
 getname_flags+0xec/0x450 fs/namei.c:149
 getname+0x28/0x38 fs/namei.c:217
 do_sys_openat2+0xd0/0x3d8 fs/open.c:1247
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __arm64_sys_openat+0x120/0x154 fs/open.c:1280
 __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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584