watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:12418]
Modules linked in:
irq event stamp: 18737693
hardirqs last  enabled at (18737692): [<ffff8000081b4d40>] __local_bh_enable_ip+0x258/0x4d0 kernel/softirq.c:388
hardirqs last disabled at (18737693): [<ffff800011962680>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (200792): [<ffff800010761e6c>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (200792): [<ffff800010761e6c>] clusterip_netdev_event+0x37c/0x3a4 net/ipv4/netfilter/ipt_CLUSTERIP.c:233
softirqs last disabled at (200812): [<ffff8000117b67e4>] spin_lock_bh include/linux/spinlock.h:368 [inline]
softirqs last disabled at (200812): [<ffff8000117b67e4>] batadv_tt_local_resize_to_mtu+0x60/0x150 net/batman-adv/translation-table.c:3949
CPU: 0 PID: 12418 Comm: syz-executor.0 Not tainted 5.15.133-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : should_resched arch/arm64/include/asm/preempt.h:78 [inline]
pc : __local_bh_enable_ip+0x260/0x4d0 kernel/softirq.c:390
lr : __local_bh_enable_ip+0x258/0x4d0 kernel/softirq.c:388
sp : ffff80001f396250
x29: ffff80001f396260 x28: 0000000000000100 x27: ffff0000fceb0318
x26: ffff0000fceb0300 x25: 1fffe0001f9d6063 x24: 0000000000000001
x23: 1fffe00019890a39 x22: dfff800000000000 x21: ffff8000117b6b38
x20: 0000000000000000 x19: ffff0000cc4851c8 x18: 0000000000000202
x17: ff80800008334ddc x16: ffff8000082ea5e4 x15: ffff800008334ddc
x14: 1ffff0000292006a x13: ffffffffffffffff x12: 0000000000040000
x11: 000000000003ffff x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000000e0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008045860
x2 : 0000000000000002 x1 : ffff800011abac40 x0 : ffff80019ffa7000
Call trace:
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline]
 __local_bh_enable_ip+0x260/0x4d0 kernel/softirq.c:388
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline]
 _raw_spin_unlock_bh+0xf8/0x180 kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:408 [inline]
 batadv_tt_local_purge+0x264/0x2e8 net/batman-adv/translation-table.c:1356
 batadv_tt_local_resize_to_mtu+0x9c/0x150 net/batman-adv/translation-table.c:3956
 batadv_update_min_mtu net/batman-adv/hard-interface.c:647 [inline]
 batadv_hardif_activate_interface+0x1d0/0x25c net/batman-adv/hard-interface.c:674
 batadv_hard_if_event+0xdc/0xe10 net/batman-adv/hard-interface.c:965
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:391
 __dev_notify_flags+0x2ac/0x534
 dev_change_flags+0xc8/0x154 net/core/dev.c:8863
 vlan_device_event+0x3f0/0x18ec net/8021q/vlan.c:469
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:391
 __dev_notify_flags+0x2ac/0x534
 dev_change_flags+0xc8/0x154 net/core/dev.c:8863
 do_setlink+0xaa4/0x3164 net/core/rtnetlink.c:2741
 rtnl_setlink+0x380/0x44c net/core/rtnetlink.c:3034
 rtnetlink_rcv_msg+0xa74/0xdac net/core/rtnetlink.c:5630
 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2505
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:5648
 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
 netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1356
 netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1924
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg net/socket.c:724 [inline]
 sock_write_iter+0x2b0/0x3f8 net/socket.c:1060
 do_iter_readv_writev+0x420/0x5f8
 do_iter_write+0x1b8/0x664 fs/read_write.c:855
 vfs_writev fs/read_write.c:928 [inline]
 do_writev+0x220/0x3ec fs/read_write.c:971
 __do_sys_writev fs/read_write.c:1044 [inline]
 __se_sys_writev fs/read_write.c:1041 [inline]
 __arm64_sys_writev+0x80/0x94 fs/read_write.c:1041
 __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+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584