netlink: 'syz.2.1516': attribute type 11 has an invalid length.
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 12302 Comm: syz.2.1516 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3855 [inline]
 validate_chain kernel/locking/lockdep.c:3876 [inline]
 __lock_acquire+0xf88/0x2f44 kernel/locking/lockdep.c:5237
 lock_acquire+0x140/0x368 kernel/locking/lockdep.c:5868
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
 _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:166
 stack_depot_save_flags+0x1ec/0x6d8 lib/stackdepot.c:698
 kasan_save_stack mm/kasan/common.c:58 [inline]
 kasan_save_track+0x54/0x78 mm/kasan/common.c:78
 kasan_save_alloc_info+0x44/0x54 mm/kasan/generic.c:570
 unpoison_slab_object mm/kasan/common.c:340 [inline]
 __kasan_slab_alloc+0x70/0x88 mm/kasan/common.c:366
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4570 [inline]
 slab_alloc_node mm/slub.c:4899 [inline]
 kmem_cache_alloc_noprof+0x26c/0x610 mm/slub.c:4906
 skb_clone+0x1a8/0x31c net/core/skbuff.c:2107
 dev_queue_xmit_nit+0x278/0x940 net/core/dev.c:2574
 xmit_one net/core/dev.c:3884 [inline]
 dev_hard_start_xmit+0xb4/0x9ec net/core/dev.c:3904
 __dev_queue_xmit+0xfc0/0x2c18 net/core/dev.c:4870
 dev_queue_xmit include/linux/netdevice.h:3418 [inline]
 __netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [inline]
 __netlink_deliver_tap+0x484/0x6f8 net/netlink/af_netlink.c:325
 netlink_deliver_tap+0x1d8/0x1dc net/netlink/af_netlink.c:338
 __netlink_sendskb+0x78/0xcc net/netlink/af_netlink.c:1260
 netlink_sendskb+0x2c/0xdc net/netlink/af_netlink.c:1269
 netlink_unicast+0x2b8/0x800 net/netlink/af_netlink.c:1359
 nlmsg_unicast include/net/netlink.h:1198 [inline]
 genlmsg_unicast include/net/genetlink.h:555 [inline]
 genlmsg_reply+0x88/0xc4 include/net/genetlink.h:565
 _nl80211_new_interface net/wireless/nl80211.c:5028 [inline]
 nl80211_new_interface+0x8e4/0x10bc net/wireless/nl80211.c:5040
 genl_family_rcv_msg_doit+0x1e4/0x2d8 net/netlink/genetlink.c:1114
 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline]
 genl_rcv_msg+0x444/0x620 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x22c/0x410 net/netlink/af_netlink.c:2555
 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1218
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x610/0x800 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x63c/0x920 net/netlink/af_netlink.c:1899
 sock_sendmsg_nosec net/socket.c:787 [inline]
 __sock_sendmsg+0xc8/0x138 net/socket.c:802
 ____sys_sendmsg+0x418/0x70c net/socket.c:2698
 ___sys_sendmsg+0x198/0x224 net/socket.c:2752
 __sys_sendmsg+0x160/0x214 net/socket.c:2784
 __do_sys_sendmsg net/socket.c:2789 [inline]
 __se_sys_sendmsg net/socket.c:2787 [inline]
 __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2787
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594