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kernel BUG at include/linux/skbuff.h:1824!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
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Modules linked in:
CPU: 1 PID: 3788 Comm: syzkaller705022 Not tainted 4.4.118-g239a415 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8800ab2cc800 task.stack: ffff8800ab4c8000
RIP: 0010:[<ffffffff8330db4b>] [<ffffffff8330db4b>] __skb_pull include/linux/skbuff.h:1824 [inline]
RIP: 0010:[<ffffffff8330db4b>] [<ffffffff8330db4b>] __ip6_make_skb+0x120b/0x1c30 net/ipv6/ip6_output.c:1676
RSP: 0018:ffff8800ab4cf530 EFLAGS: 00010293
RAX: ffff8800ab2cc800 RBX: 00000000000006e0 RCX: ffffffff8330db4b
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801cdb38b10
RBP: ffff8800ab4cf730 R08: ffff8800ac1d5938 R09: 0000000000000000
R10: 0000000000000599 R11: fd676b049aac0ae7 R12: 00000000000005a1
R13: ffff8800ac1d58c0 R14: ffff8800ac1d593c R15: ffff8801cdb38640
FS: 0000000001352880(0063) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000280 CR3: 00000000ac4fa000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
0000059900000118 ffff8800ac1d597c ffff8800ac1d5990 ffff8800ac1d5988
ffff8801d80dc1c8 1ffff10015699eb8 ffff8801cc3eb340 ffff8800b013aa20
ffff8801cdb38652 ffff8801cdb38b60 ffff8800bbb58000 ffff8800ac1d5948
Call Trace:
[<ffffffff8336c1da>] ip6_finish_skb include/net/ipv6.h:872 [inline]
[<ffffffff8336c1da>] udp_v6_push_pending_frames+0x20a/0x340 net/ipv6/udp.c:1094
[<ffffffff83371db2>] udpv6_sendmsg+0x1f12/0x2500 net/ipv6/udp.c:1358
[<ffffffff831d6c7c>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
[<ffffffff82deb9ba>] sock_sendmsg_nosec net/socket.c:625 [inline]
[<ffffffff82deb9ba>] sock_sendmsg+0xca/0x110 net/socket.c:635
[<ffffffff82ded591>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
[<ffffffff82def5e3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
[<ffffffff82def6cd>] SYSC_sendmsg net/socket.c:2007 [inline]
[<ffffffff82def6cd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2003
[<ffffffff83772a5f>] entry_SYSCALL_64_fastpath+0x1c/0x98
Code: 08 84 c9 0f 85 c0 08 00 00 41 3b 45 7c 72 17 e8 dc 31 05 fe 45 89 e6 4d 01 f7 4d 89 bd d0 00 00 00 e9 17 f2 ff ff e8 c5 31 05 fe <0f> 0b e8 be 31 05 fe 48 8b 7c 24 50 e8 34 d2 fe ff 41 89 c4 e9
RIP [<ffffffff8330db4b>] __skb_pull include/linux/skbuff.h:1824 [inline]
RIP [<ffffffff8330db4b>] __ip6_make_skb+0x120b/0x1c30 net/ipv6/ip6_output.c:1676
RSP <ffff8800ab4cf530>
---[ end trace 7880747ca118f920 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..