BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 31425 Comm: syz.6.6315 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 register_lock_class+0x2a9/0x2e0 kernel/locking/lockdep.c:1332
 __lock_acquire+0xad/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]
 some_qdisc_is_busy net/sched/sch_generic.c:1330 [inline]
 dev_deactivate_many+0xa66/0xd40 net/sched/sch_generic.c:1382
 dev_deactivate net/sched/sch_generic.c:1397 [inline]
 dev_qdisc_change_tx_queue_len+0x178/0x510 net/sched/sch_generic.c:1453
 netif_change_tx_queue_len+0x179/0x280 net/core/dev.c:9934
 do_setlink+0x1156/0x45a0 net/core/rtnetlink.c:3203
 rtnl_group_changelink net/core/rtnetlink.c:3813 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3981 [inline]
 rtnl_newlink+0x14ca/0x1bb0 net/core/rtnetlink.c:4109
 rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6995
 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:787 [inline]
 __sock_sendmsg net/socket.c:802 [inline]
 ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752
 __sys_sendmsg net/socket.c:2784 [inline]
 __do_sys_sendmsg net/socket.c:2789 [inline]
 __se_sys_sendmsg net/socket.c:2787 [inline]
 __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6a12b9cdd9
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:00007f6a13adb028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f6a12e15fa0 RCX: 00007f6a12b9cdd9
RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000000000000009
RBP: 00007f6a12c32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6a12e16038 R14: 00007f6a12e15fa0 R15: 00007fff5bd6a548
 </TASK>
gretap1: refused to change device tx_queue_len
A link change request failed with some changes committed already. Interface gretap1 may have been left with an inconsistent configuration, please check.