watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.0:5003]
Modules linked in:
irq event stamp: 31879613
hardirqs last  enabled at (31879612): [<ffff8000081c784c>] __local_bh_enable_ip+0x230/0x470 kernel/softirq.c:401
hardirqs last disabled at (31879613): [<ffff800012151f7c>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (31879613): [<ffff800012151f7c>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (2890): [<ffff800008020d7c>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (2890): [<ffff800008020d7c>] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600
softirqs last disabled at (2924): [<ffff800011ef1d44>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (2924): [<ffff800011ef1d44>] batadv_tt_local_resize_to_mtu+0x60/0x150 net/batman-adv/translation-table.c:3949
CPU: 1 PID: 5003 Comm: syz-executor.0 Not tainted 6.1.84-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : should_resched arch/arm64/include/asm/preempt.h:79 [inline]
pc : __local_bh_enable_ip+0x238/0x470 kernel/softirq.c:403
lr : __local_bh_enable_ip+0x230/0x470 kernel/softirq.c:401
sp : ffff80001e4466c0
x29: ffff80001e4466d0 x28: dfff800000000000 x27: 1fffe0001dc71491
x26: ffff0000ee38a498 x25: ffff0000ee38a488 x24: 0000000000000001
x23: 1fffe0001b6d6a69 x22: dfff800000000000 x21: ffff800011ef2394
x20: 0000000000000202 x19: ffff0000db6b5348 x18: ffff80001e4460c0
x17: 77656e2074696620 x16: ffff800008305ec4 x15: 0000000000000002
x14: 1ffff00002b080b0 x13: dfff800000000000 x12: 0000000000040000
x11: 000000000003ffff x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000000e0 x7 : ffff800011ef220c x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000002 x1 : ffff8000122ac6e0 x0 : ffff80019ebea000
Call trace:
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline]
 __local_bh_enable_ip+0x238/0x470 kernel/softirq.c:401
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
 _raw_spin_unlock_bh+0x48/0x58 kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 batadv_tt_local_purge_pending_clients+0x278/0x300 net/batman-adv/translation-table.c:3673
 batadv_tt_local_resize_to_mtu+0xa4/0x150 net/batman-adv/translation-table.c:3957
 batadv_hard_if_event+0x41c/0xdfc
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1970 [inline]
 call_netdevice_notifiers_mtu+0x16c/0x208 net/core/dev.c:2045
 dev_set_mtu_ext+0x3c4/0x540 net/core/dev.c:8727
 do_setlink+0x7f8/0x333c net/core/rtnetlink.c:2764
 __rtnl_newlink net/core/rtnetlink.c:3576 [inline]
 rtnl_newlink+0x1424/0x1b74 net/core/rtnetlink.c:3623
 rtnetlink_rcv_msg+0x72c/0xd94 net/core/rtnetlink.c:6121
 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2508
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6139
 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
 netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1352
 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1874
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x55c/0x848 net/socket.c:2514
 ___sys_sendmsg net/socket.c:2568 [inline]
 __sys_sendmsg+0x26c/0x33c net/socket.c:2597
 __do_sys_sendmsg net/socket.c:2606 [inline]
 __se_sys_sendmsg net/socket.c:2604 [inline]
 __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2604
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585