dccp_invalid_packet: invalid packet type general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 2 PID: 10616 Comm: syz-executor0 Not tainted 4.13.0-rc4-next-20170811 #1 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=19 sclass=netlink_audit_socket pig=10588 comm=syz-executor2 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 task: ffff88006845c7c0 task.stack: ffff88005fd10000 RIP: 0010:__skb_flow_dissect+0xdcd/0x3ae0 net/core/flow_dissector.c:445 RSP: 0018:ffff88005fd17340 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc900009f2000 RDX: 0000000000000060 RSI: ffffffff83563983 RDI: 0000000000000300 RBP: ffff88005fd17870 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000008 R11: ffffed000bfa2f1e R12: 0000000000000000 R13: 00000000000000a8 R14: ffffffff856dc080 R15: ffff8800689ae280 FS: 00007fdf7c416700(0000) GS:ffff88006e000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002001e000 CR3: 0000000062c2b000 CR4: 00000000000026e0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000020000000 DR3: 0000000020000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: skb_flow_dissect_flow_keys include/linux/skbuff.h:1176 [inline] skb_get_poff+0x9a/0x1a0 net/core/flow_dissector.c:1079 ______skb_get_pay_offset net/core/filter.c:114 [inline] __skb_get_pay_offset+0x15/0x20 net/core/filter.c:112 Code: 80 3c 02 00 44 89 6d 10 0f 85 44 2b 00 00 4d 8b 67 20 48 b8 00 00 00 00 00 fc ff df 49 8d bc 24 00 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 13 2b 00 00 4d 8b a4 24 00 03 00 00 4d 85 e4 RIP: __skb_flow_dissect+0xdcd/0x3ae0 net/core/flow_dissector.c:445 RSP: ffff88005fd17340 ---[ end trace a7b5f930f749c4b9 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..