IPVS: Creating netns size=2552 id=5
IPVS: Creating netns size=2552 id=6
IPVS: Creating netns size=2552 id=7
IPVS: Creating netns size=2552 id=8
------------[ cut here ]------------
kernel BUG at include/linux/skbuff.h:1824!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 4927 Comm: syz-executor0 Not tainted 4.4.116-g17c7c49 #18
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8800ad6d9800 task.stack: ffff8800a9d78000
RIP: 0010:[<ffffffff8330e5eb>]  [<ffffffff8330e5eb>] __skb_pull include/linux/skbuff.h:1824 [inline]
RIP: 0010:[<ffffffff8330e5eb>]  [<ffffffff8330e5eb>] __ip6_make_skb+0x120b/0x1c30 net/ipv6/ip6_output.c:1676
RSP: 0018:ffff8800a9d7f3d0  EFLAGS: 00010293
RAX: ffff8800ad6d9800 RBX: 0000000000000738 RCX: ffffffff8330e5eb
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8800ad6104d0
RBP: ffff8800a9d7f5d0 R08: ffff8800b4c2cbb8 R09: 0000000000000000
R10: 0000000000001100 R11: 1ffff100153afe42 R12: 00000000000000d6
R13: ffff8800b4c2cb40 R14: ffff8800b4c2cbbc R15: ffff8800ad610000
FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f77b5b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007f37850a0270 CR3: 00000001c9960000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8800a9d7f440 ffff8800b4c2cbfc ffff8800b4c2cc10 ffff8800b4c2cc08
 ffff8800b4f941c8 1ffff100153afe8c ffff8800b7a81500 ffff8801d253f0c0
 ffff8800ad610012 ffff8800ad610520 ffff8800aa7a8000 ffff8800b4c2cbc8
Call Trace:
 [<ffffffff8336cd5a>] ip6_finish_skb include/net/ipv6.h:872 [inline]
 [<ffffffff8336cd5a>] udp_v6_push_pending_frames+0x20a/0x340 net/ipv6/udp.c:1094
 [<ffffffff83372932>] udpv6_sendmsg+0x1f12/0x2500 net/ipv6/udp.c:1358
 [<ffffffff831d75ec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82debb4a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82debb4a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded372>] ___sys_sendmsg+0x312/0x7c0 net/socket.c:1962
 [<ffffffff82defa56>] __sys_sendmmsg+0x1d6/0x2e0 net/socket.c:2040
 [<ffffffff82ed9802>] C_SYSC_sendmmsg net/compat.c:726 [inline]
 [<ffffffff82ed9802>] compat_SyS_sendmmsg+0x32/0x40 net/compat.c:723
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff837763aa>] sysenter_flags_fixed+0xd/0x17
Code: 08 84 c9 0f 85 c0 08 00 00 41 3b 45 7c 72 17 e8 8c 27 05 fe 45 89 e6 4d 01 f7 4d 89 bd d0 00 00 00 e9 17 f2 ff ff e8 75 27 05 fe <0f> 0b e8 6e 27 05 fe 48 8b 7c 24 50 e8 34 d2 fe ff 41 89 c4 e9 
RIP  [<ffffffff8330e5eb>] __skb_pull include/linux/skbuff.h:1824 [inline]
RIP  [<ffffffff8330e5eb>] __ip6_make_skb+0x120b/0x1c30 net/ipv6/ip6_output.c:1676
 RSP <ffff8800a9d7f3d0>
------------[ cut here ]------------
kernel BUG at include/linux/skbuff.h:1824!
invalid opcode: 0000 [#2] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 4987 Comm: syz-executor1 Tainted: G      D         4.4.116-g17c7c49 #18
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d1839800 task.stack: ffff8801d2d98000
RIP: 0010:[<ffffffff8330e5eb>]  [<ffffffff8330e5eb>] __skb_pull include/linux/skbuff.h:1824 [inline]
RIP: 0010:[<ffffffff8330e5eb>]  [<ffffffff8330e5eb>] __ip6_make_skb+0x120b/0x1c30 net/ipv6/ip6_output.c:1676
RSP: 0018:ffff8801d2d9f3d0  EFLAGS: 00010293
RAX: ffff8801d1839800 RBX: 0000000000000738 RCX: ffffffff8330e5eb
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801c99684d0
RBP: ffff8801d2d9f5d0 R08: ffff8800ad623078 R09: 0000000000000000
R10: 0000000000001100 R11: 1ffff1003a5b3e42 R12: 00000000000000d6
R13: ffff8800ad623000 R14: ffff8800ad62307c R15: ffff8801c9968000
FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f77eeb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007efd4f60e4c0 CR3: 00000001c9810000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801d2d9f440 ffff8800ad6230bc ffff8800ad6230d0 ffff8800ad6230c8
 ffff8800b39174c8 1ffff1003a5b3e8c ffff8800b882f180 ffff8801c9b74ea0
 ffff8801c9968012 ffff8801c9968520 ffff8800a9e28000 ffff8800ad623088
Call Trace:
 [<ffffffff8336cd5a>] ip6_finish_skb include/net/ipv6.h:872 [inline]
 [<ffffffff8336cd5a>] udp_v6_push_pending_frames+0x20a/0x340 net/ipv6/udp.c:1094
 [<ffffffff83372932>] udpv6_sendmsg+0x1f12/0x2500 net/ipv6/udp.c:1358
 [<ffffffff831d75ec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82debb4a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82debb4a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded372>] ___sys_sendmsg+0x312/0x7c0 net/socket.c:1962
 [<ffffffff82defa56>] __sys_sendmmsg+0x1d6/0x2e0 net/socket.c:2040
---[ end trace f0c90f90ca110eac ]---