watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz.3.10762:5572]
Modules linked in:
irq event stamp: 20115
hardirqs last  enabled at (20114): [<ffff800011b52c44>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (20114): [<ffff800011b52c44>] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (20115): [<ffff800011b52e8c>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (15704): [<ffff8000080329b8>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (15714): [<ffff80000ff19fd0>] spin_lock_bh include/linux/spinlock.h:368 [inline]
softirqs last disabled at (15714): [<ffff80000ff19fd0>] lock_sock_nested+0x108/0x1ec net/core/sock.c:3256
CPU: 0 PID: 5572 Comm: syz.3.10762 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : queued_spin_lock_slowpath+0x160/0x938 kernel/locking/qspinlock.c:382
lr : queued_spin_lock_slowpath+0x16c/0x938 kernel/locking/qspinlock.c:382
sp : ffff80001ff37600
x29: ffff80001ff376a0 x28: 1ffff00003fe6ecc x27: 1fffe0001ad6e632
x26: dfff800000000000 x25: ffff700003fe6ec4 x24: ffff80001ff37620
x23: 1fffe0001ad6e631 x22: ffff80001ff37660 x21: 0000000000000001
x20: 0000000000000001 x19: ffff0000d6b73188 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800008307bb8 x15: 0000000000000002
x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000001
x11: 1fffe0001ad6e631 x10: 0000000000000000 x9 : 0000000000000000
x8 : 0000000000000101 x7 : ffff80000ff19fd0 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008306de0
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+0x160/0x938 kernel/locking/qspinlock.c:382
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock+0x334/0x35c kernel/locking/spinlock_debug.c:115
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x12c/0x1c4 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:368 [inline]
 lock_sock_nested+0x108/0x1ec net/core/sock.c:3256
 lock_sock include/net/sock.h:1684 [inline]
 tipc_release+0xa8/0x1468 net/tipc/socket.c:639
 __sock_release net/socket.c:649 [inline]
 sock_close+0xb8/0x1fc net/socket.c:1336
 __fput+0x1c4/0x800 fs/file_table.c:311
 ____fput+0x20/0x30 fs/file_table.c:339
 task_work_run+0x130/0x1e4 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946
 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+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584