kernel BUG at net/core/skbuff.c:104!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 3931 Comm: syz-executor6 Not tainted 4.4.136-gfb7e319 #57
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d87b4800 task.stack: ffff8801bc9e8000
RIP: 0010:[<ffffffff8389607c>]  [<ffffffff8389607c>] skb_panic+0x166/0x168 net/core/skbuff.c:100
RSP: 0018:ffff8801db2079d0  EFLAGS: 00010282
RAX: 0000000000000085 RBX: ffff8801ceca7280 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8125d249 RDI: ffff8801d87b50dc
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=21010 sclass=netlink_route_socket
RBP: ffff8801db207a38 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8800a1d75500
R13: ffff8801d0eebc10 R14: 00000000000000c8 R15: 00000000000000c0
FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:000000000a03f900
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000a0481b4 CR3: 00000001bc95f000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801d0eebc10 00000000000000c8 00000000000000c0 ffff8800a1d75500
 ffffffff844bdba0 ffffffff83ec4a20 ffffffff834ae525 0000000881229682
 ffff8801ceca7280 ffffffff834ae525 ffff8801d0eebc40 0000000000000008
Call Trace:
 <IRQ> 
 [<ffffffff838960c4>] skb_over_panic net/core/skbuff.c:109 [inline]
 [<ffffffff838960c4>] skb_put.cold.72+0x23/0x23 net/core/skbuff.c:1362
 [<ffffffff834ae525>] mld_newpack+0x8b5/0xc80 net/ipv6/mcast.c:1594
 [<ffffffff834aeb89>] add_grhead.isra.32+0x299/0x370 net/ipv6/mcast.c:1677
 [<ffffffff834b2156>] add_grec+0xbc6/0xe00 net/ipv6/mcast.c:1798
 [<ffffffff834b2bb0>] mld_send_cr net/ipv6/mcast.c:1924 [inline]
 [<ffffffff834b2bb0>] mld_ifc_timer_expire+0x340/0x740 net/ipv6/mcast.c:2430
 [<ffffffff81290a8c>] call_timer_fn+0x18c/0x870 kernel/time/timer.c:1185
 [<ffffffff812917b2>] __run_timers kernel/time/timer.c:1261 [inline]
 [<ffffffff812917b2>] run_timer_softirq+0x642/0xb90 kernel/time/timer.c:1444
 [<ffffffff838c5cec>] __do_softirq+0x22c/0xa1a kernel/softirq.c:273
 [<ffffffff838c3a9c>] do_softirq_own_stack+0x1c/0x30 arch/x86/entry/entry_64.S:929
 <EOI> 
 [<ffffffff8113d9d4>] do_softirq.part.16+0x54/0x60 kernel/softirq.c:317
 [<ffffffff8113daa6>] do_softirq arch/x86/include/asm/preempt.h:22 [inline]
 [<ffffffff8113daa6>] __local_bh_enable_ip+0xc6/0xd0 kernel/softirq.c:170
 [<ffffffff83238224>] local_bh_enable include/linux/bottom_half.h:31 [inline]
 [<ffffffff83238224>] tcp_init_sock+0x6b4/0x870 net/ipv4/tcp.c:428
 [<ffffffff832983f5>] tcp_v4_init_sock+0x15/0x80 net/ipv4/tcp_ipv4.c:1799
 [<ffffffff83301e68>] inet_create+0x798/0xc10 net/ipv4/af_inet.c:393
 [<ffffffff82f20680>] __sock_create+0x2f0/0x5f0 net/socket.c:1177
 [<ffffffff82f20bb0>] sock_create net/socket.c:1217 [inline]
 [<ffffffff82f20bb0>] SYSC_socket net/socket.c:1247 [inline]
 [<ffffffff82f20bb0>] SyS_socket+0xf0/0x1b0 net/socket.c:1227
 [<ffffffff8300c18d>] C_SYSC_socketcall net/compat.c:796 [inline]
 [<ffffffff8300c18d>] compat_SyS_socketcall+0x36d/0xb60 net/compat.c:771
 [<ffffffff81006d96>] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline]
 [<ffffffff81006d96>] do_fast_syscall_32+0x326/0x8b0 arch/x86/entry/common.c:459
 [<ffffffff838c416a>] sysenter_flags_fixed+0xd/0x17
Code: 3b 37 c6 fd 4c 8b 4d b8 8b 4b 78 41 54 48 c7 c7 60 45 ec 83 44 8b 45 d4 41 57 48 8b 55 c8 41 56 48 8b 75 c0 41 55 e8 fd f1 b7 fd <0f> 0b e8 2d b4 ab fd 4c 8b 65 08 e8 e4 20 c6 fd 48 c7 c1 e0 49 
RIP  [<ffffffff8389607c>] skb_panic+0x166/0x168 net/core/skbuff.c:100
 RSP <ffff8801db2079d0>
---[ end trace 1d0c3a40df6d7bad ]---