8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 hrtimer: interrupt took 72404 ns skbuff: skb_over_panic: text:00000000f443cd2c len:264 put:72 head:00000000ccd745e6 data:00000000ccd745e6 tail:0x108 end:0xc0 dev: ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:104! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7657 Comm: syz-executor4 Not tainted 4.20.0-rc1-next-20181109+ #110 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:100 Code: 4c 8b 4d b8 8b 8b 80 00 00 00 41 54 48 c7 c7 60 30 bb 88 44 8b 45 d4 41 57 48 8b 55 c8 41 56 48 8b 75 c0 41 55 e8 44 98 48 fb <0f> 0b e8 c9 9a 62 fb 4c 8b 65 08 e8 70 da a5 fb 48 c7 c1 a0 39 bb RSP: 0018:ffff8801b6ad62d0 EFLAGS: 00010282 RAX: 0000000000000087 RBX: ffff8801bb43f3c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8165ba15 RDI: 0000000000000005 RBP: ffff8801b6ad6338 R08: ffff8801bf5e2080 R09: ffffed003b5e5020 R10: ffffed003b5e5020 R11: ffff8801daf28107 R12: ffffffff88bb3020 R13: ffff8801b7ee1d00 R14: 0000000000000108 R15: 00000000000000c0 FS: 00007f7db9cd2700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9b7f870e30 CR3: 00000001ce227000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_over_panic net/core/skbuff.c:109 [inline] skb_put.cold.88+0x23/0x23 net/core/skbuff.c:1698 skb_put_zero include/linux/skbuff.h:2091 [inline] dump_ah_combs net/key/af_key.c:2965 [inline] pfkey_send_acquire+0x12be/0x2620 net/key/af_key.c:3228 km_query+0x1a0/0x360 net/xfrm/xfrm_state.c:1974 xfrm_state_find+0x2713/0x3eb0 net/xfrm/xfrm_state.c:1024 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:1413 [inline] xfrm_tmpl_resolve+0x3c0/0xe50 net/xfrm/xfrm_policy.c:1458 xfrm_resolve_and_create_bundle+0x184/0x2800 net/xfrm/xfrm_policy.c:1753 xfrm_lookup_with_ifid+0x39e/0x2b80 net/xfrm/xfrm_policy.c:2076 xfrm_lookup net/xfrm/xfrm_policy.c:2200 [inline] xfrm_lookup_route+0x3c/0x1f0 net/xfrm/xfrm_policy.c:2211 ip6_dst_lookup_flow+0x1c6/0x270 net/ipv6/ip6_output.c:1083 rawv6_sendmsg+0x12d4/0x4850 net/ipv6/raw.c:915 inet_sendmsg+0x19c/0x690 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:632 ___sys_sendmsg+0x51d/0x930 net/socket.c:2117 __sys_sendmmsg+0x246/0x6d0 net/socket.c:2212 __do_sys_sendmmsg net/socket.c:2241 [inline] __se_sys_sendmmsg net/socket.c:2238 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2238 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7db9cd1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457569 RDX: 0400000000000058 RSI: 0000000020007e00 RDI: 0000000000000005 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7db9cd26d4 R13: 00000000004c3c33 R14: 00000000004d63e8 R15: 00000000ffffffff Modules linked in: ------------[ cut here ]------------ downgrading a read lock WARNING: CPU: 0 PID: 7681 at kernel/locking/lockdep.c:3556 __lock_downgrade kernel/locking/lockdep.c:3556 [inline] WARNING: CPU: 0 PID: 7681 at kernel/locking/lockdep.c:3556 lock_downgrade+0x4d7/0x900 kernel/locking/lockdep.c:3819