watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz.1.17:5012]
Modules linked in:
irq event stamp: 14141
hardirqs last  enabled at (14140): [<ffff8000111c6ea8>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (14140): [<ffff8000111c6ea8>] exit_to_kernel_mode+0xe0/0x168 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (14141): [<ffff8000111c7100>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (9588): [<ffff800008031f6c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (9604): [<ffff80000f6a90cc>] spin_lock_bh include/linux/spinlock.h:368 [inline]
softirqs last disabled at (9604): [<ffff80000f6a90cc>] lock_sock_nested+0xf4/0x1d4 net/core/sock.c:3254
CPU: 0 PID: 5012 Comm: syz.1.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 02400005 (nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : queued_spin_lock_slowpath+0x13c/0x798 kernel/locking/qspinlock.c:382
lr : queued_spin_lock_slowpath+0x148/0x798 kernel/locking/qspinlock.c:382
sp : ffff800020157700
x29: ffff8000201577a0 x28: ffff8000140d1008 x27: 1fffe0001a766552
x26: 0000000000000001 x25: ffff0000ed113680 x24: dfff800000000000
x23: ffff70000402aee4 x22: 1ffff0000402af04 x21: ffff0000d3b32a90
x20: ffff0000d3b32a98 x19: ffff0000d3b32a88 x18: 0000000000000000
x17: ffff800016d16000 x16: ffff8000082d5fac x15: ffff8000167f6500
x14: ffff0000ed114080 x13: ffff0000ed1140d0 x12: 0000000000000001
x11: 1fffe0001a766551 x10: 0000000000000000 x9 : 0000000000000000
x8 : 0000000000000101 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000082d52b0
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]
 queued_spin_lock_slowpath+0x13c/0x798 kernel/locking/qspinlock.c:382
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock+0x2ec/0x2f0 kernel/locking/spinlock_debug.c:115
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x11c/0x1b4 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:368 [inline]
 lock_sock_nested+0xf4/0x1d4 net/core/sock.c:3254
 lock_sock include/net/sock.h:1694 [inline]
 tipc_release+0xac/0x1ab4 net/tipc/socket.c:639
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb4/0x1f8 net/socket.c:1336
 __fput+0x1c0/0x7f8 fs/file_table.c:311
 ____fput+0x20/0x30 fs/file_table.c:339
 task_work_run+0x12c/0x1e0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x24b4/0x3128 arch/arm64/kernel/signal.c:949
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584