watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:6903]
Modules linked in:
irq event stamp: 18680423
hardirqs last  enabled at (18680422): [<ffff8000081b4d1c>] __local_bh_enable_ip+0x230/0x470 kernel/softirq.c:388
hardirqs last disabled at (18680423): [<ffff8000119776b0>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (864): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (864): [<ffff800008020ccc>] __do_softirq+0xb5c/0xdb0 kernel/softirq.c:587
softirqs last disabled at (872): [<ffff8000117ca418>] spin_lock_bh include/linux/spinlock.h:368 [inline]
softirqs last disabled at (872): [<ffff8000117ca418>] batadv_tt_local_resize_to_mtu+0x60/0x150 net/batman-adv/translation-table.c:3949
CPU: 0 PID: 6903 Comm: syz-executor.0 Not tainted 5.15.142-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
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+0x238/0x470 kernel/softirq.c:390
lr : __local_bh_enable_ip+0x230/0x470 kernel/softirq.c:388
sp : ffff80001fac5ed0
x29: ffff80001fac5ee0 x28: 0000000000000100 x27: ffff0000c77a7418
x26: ffff0000d9970810 x25: ffff0000d9a34508 x24: 0000000000000001
x23: 1fffe000195cc001 x22: dfff800000000000 x21: ffff8000117ca76c
x20: 0000000000000202 x19: ffff0000cae60008 x18: 0000000000000202
x17: 0000000000000002 x16: ffff8000082eabf0 x15: 00000000ffffffff
x14: 1ffff0000292406a x13: dfff800000000000 x12: 0000000000040000
x11: 000000000003ffff x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000000e0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008045860
x2 : 0000000000000002 x1 : ffff800011acab40 x0 : ffff80019ff83000
Call trace:
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline]
 __local_bh_enable_ip+0x238/0x470 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:8883
 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:8883
 do_setlink+0xaa4/0x3164 net/core/rtnetlink.c:2741
 __rtnl_newlink net/core/rtnetlink.c:3429 [inline]
 rtnl_newlink+0x12fc/0x1af4 net/core/rtnetlink.c:3549
 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:716 [inline]
 sock_write_iter+0x2b0/0x3f8 net/socket.c:1077
 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:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584