batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 23441 Comm: syz.2.4253 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 register_lock_class+0x2aa/0x2e0 kernel/locking/lockdep.c:1332 __lock_acquire+0xab/0x2cf0 kernel/locking/lockdep.c:5112 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:182 spin_lock_bh include/linux/spinlock.h:348 [inline] dev_reset_queue+0x138/0x1b0 include/net/sch_generic.h:753 netdev_for_each_tx_queue include/linux/netdevice.h:2735 [inline] dev_deactivate_many+0x778/0xda0 net/sched/sch_generic.c:1394 __dev_close_many+0x180/0x6e0 net/core/dev.c:1760 __dev_close net/core/dev.c:1789 [inline] __dev_change_flags+0x3f5/0x820 net/core/dev.c:9752 netif_change_flags+0x7c/0x1b0 net/core/dev.c:9817 do_setlink+0xdd6/0x4670 net/core/rtnetlink.c:3215 rtnl_group_changelink net/core/rtnetlink.c:3863 [inline] __rtnl_newlink net/core/rtnetlink.c:4031 [inline] rtnl_newlink+0x148e/0x1bd0 net/core/rtnetlink.c:4159 rtnetlink_rcv_msg+0x802/0xc00 net/core/rtnetlink.c:7076 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:775 __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2684 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738 __sys_sendmsg net/socket.c:2770 [inline] __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2773 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1131b9ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1132a61028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f1131e15fa0 RCX: 00007f1131b9ce59 RDX: 0000000004000000 RSI: 0000200000000200 RDI: 0000000000000003 RBP: 00007f1131c32e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1131e16038 R14: 00007f1131e15fa0 R15: 00007ffed3ca3cf8