8021q: adding VLAN 0 to HW filter on device batadv0
IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
8021q: adding VLAN 0 to HW filter on device batadv0
skbuff: skb_over_panic: text:000000004e5c7486 len:232 put:72 head:0000000044d043aa data:0000000044d043aa tail:0xe8 end:0xc0 dev:<NULL>
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kernel BUG at net/core/skbuff.c:107!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8572 Comm: syz-executor4 Not tainted 4.20.0+ #8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skb_panic+0x176/0x178 net/core/skbuff.c:107
Code: 3f ab fb 4c 8b 4d b8 8b 4b 70 41 57 45 89 f0 4c 89 ea ff 75 d0 4c 89 e6 48 c7 c7 60 f5 dd 88 ff 75 c8 ff 75 c0 e8 b9 ac 4d fb <0f> 0b e8 8e 6c 67 fb 4c 8b 6d 08 e8 a5 36 ab fb 48 c7 c1 e0 fe dd
RSP: 0018:ffff88808c8ce680 EFLAGS: 00010286
RAX: 0000000000000086 RBX: ffff888083b7e6c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff816849b6 RDI: ffffed1011919cc2
RBP: ffff88808c8ce6e8 R08: 0000000000000086 R09: ffffed1015ce5021
R10: ffffed1015ce5020 R11: ffff8880ae728107 R12: ffffffff88ddff20
R13: ffffffff86ef7407 R14: 0000000000000048 R15: ffffffff88ddf520
FS:  00007feba39e1700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bc2296a1d8 CR3: 000000008d4a1000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_over_panic net/core/skbuff.c:112 [inline]
 skb_put.cold+0x23/0x23 net/core/skbuff.c:1703
 dump_esp_combs net/key/af_key.c:3009 [inline]
 pfkey_send_acquire+0x1ba7/0x2600 net/key/af_key.c:3230
 km_query+0x199/0x350 net/xfrm/xfrm_state.c:1980
 xfrm_state_find+0x2734/0x3f00 net/xfrm/xfrm_state.c:1030
 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2385 [inline]
 xfrm_tmpl_resolve+0x385/0xe00 net/xfrm/xfrm_policy.c:2430
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downgrading a read lock
WARNING: CPU: 0 PID: 8702 at kernel/locking/lockdep.c:3553 __lock_downgrade kernel/locking/lockdep.c:3553 [inline]
WARNING: CPU: 0 PID: 8702 at kernel/locking/lockdep.c:3553 lock_downgrade+0x4d2/0x910 kernel/locking/lockdep.c:3816