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: 1 UID: 0 PID: 12466 Comm: syz.2.2399 Not tainted 6.15.0-syzkaller-13804-g939f15e640f1 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 register_lock_class+0x419/0x4c0 kernel/locking/lockdep.c:1335
 __lock_acquire+0xa6/0x1c90 kernel/locking/lockdep.c:5115
 lock_acquire kernel/locking/lockdep.c:5871 [inline]
 lock_acquire+0x179/0x350 kernel/locking/lockdep.c:5828
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
 _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 dev_reset_queue+0xa9/0x1d0 net/sched/sch_generic.c:1310
 netdev_for_each_tx_queue include/linux/netdevice.h:2655 [inline]
 dev_deactivate_many+0x4e5/0xd50 net/sched/sch_generic.c:1376
 __dev_close_many+0x150/0x770 net/core/dev.c:1740
 __dev_close net/core/dev.c:1768 [inline]
 __dev_change_flags+0x4d8/0x720 net/core/dev.c:9456
 netif_change_flags+0x8d/0x160 net/core/dev.c:9521
 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3141
 rtnl_group_changelink net/core/rtnetlink.c:3773 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3927 [inline]
 rtnl_newlink+0x18e0/0x2000 net/core/rtnetlink.c:4055
 rtnetlink_rcv_msg+0x95b/0xe90 net/core/rtnetlink.c:6944
 netlink_rcv_skb+0x155/0x420 net/netlink/af_netlink.c:2534
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x53d/0x7f0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x8d1/0xdd0 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg net/socket.c:727 [inline]
 ____sys_sendmsg+0xa98/0xc70 net/socket.c:2566
 ___sys_sendmsg+0x134/0x1d0 net/socket.c:2620
 __sys_sendmsg+0x16d/0x220 net/socket.c:2652
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f76fb18e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f76fbf3f038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f76fb3b6160 RCX: 00007f76fb18e929
RDX: 0000000000000000 RSI: 0000200000000040 RDI: 000000000000000a
RBP: 00007f76fb210b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f76fb3b6160 R15: 00007ffd63e43778
 </TASK>
netdevsim netdevsim2 netdevsim0: unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim2 netdevsim1: unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim2 netdevsim2: unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim2 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0