watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor:4707]
Modules linked in:
irq event stamp: 866848
hardirqs last  enabled at (866847): [<ffff80000819dc70>] __local_bh_enable_ip+0x1f8/0x380 kernel/softirq.c:406
hardirqs last disabled at (866848): [<ffff8000111c7100>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (866846): [<ffff80000f698ba8>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (866846): [<ffff80000f698ba8>] release_sock+0x1d0/0x258 net/core/sock.c:3277
softirqs last disabled at (866844): [<ffff80000f698a0c>] spin_lock_bh include/linux/spinlock.h:368 [inline]
softirqs last disabled at (866844): [<ffff80000f698a0c>] release_sock+0x34/0x258 net/core/sock.c:3264
CPU: 1 PID: 4707 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : should_resched arch/arm64/include/asm/preempt.h:78 [inline]
pc : __local_bh_enable_ip+0x200/0x380 kernel/softirq.c:408
lr : __local_bh_enable_ip+0x1f8/0x380 kernel/softirq.c:406
sp : ffff80001f0c7860
x29: ffff80001f0c7870 x28: dfff800000000000 x27: ffff700003e18f64
x26: 1fffe00018241181 x25: dfff800000000000 x24: 0000000000000001
x23: dfff800000000000 x22: 1fffe0001b80c6d1 x21: ffff80000f698ba8
x20: ffff0001a10e7100 x19: ffff0000dc063688 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082c0c08 x15: 0000000000000001
x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff80000a774ea0
x8 : 00000000000000e0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000008 x1 : ffff80001132b060 x0 : ffff80018d001000
Call trace:
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline]
 __local_bh_enable_ip+0x200/0x380 kernel/softirq.c:406
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline]
 _raw_spin_unlock_bh+0xec/0x174 kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:408 [inline]
 release_sock+0x1d0/0x258 net/core/sock.c:3277
 tcp_sendmsg+0x4c/0x64 net/ipv4/tcp.c:1458
 inet_sendmsg+0x154/0x284 net/ipv4/af_inet.c:834
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 sock_write_iter+0x23c/0x31c net/socket.c:1079
 call_write_iter include/linux/fs.h:2172 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x7c8/0xa2c fs/read_write.c:594
 ksys_write+0x120/0x210 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:656
 __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