TITLE: kernel BUG in do_ip_vs_set_ctl
TYPE: BUG

[ 1392.954057] detected buffer overflow in strlen
[ 1392.958897] ------------[ cut here ]------------
[ 1392.963636] kernel BUG at lib/string.c:1052!
[ 1392.968074] invalid opcode: 0000 [#1] SMP KASAN
[ 1392.972735] Dumping ftrace buffer:
[ 1392.976252]    (ftrace buffer empty)
[ 1392.979948] Modules linked in:
[ 1392.983130] CPU: 1 PID: 373 Comm: syz-executor936 Not tainted 4.17.0-rc4+ #45
[ 1392.990379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1392.999721] RIP: 0010:fortify_panic+0x13/0x20
[ 1393.004203] RSP: 0018:ffff8801c976f800 EFLAGS: 00010282
[ 1393.009545] RAX: 0000000000000022 RBX: 0000000000000040 RCX: 0000000000000000
[ 1393.016793] RDX: 0000000000000022 RSI: ffffffff8160f6f1 RDI: ffffed00392edef6
[ 1393.024055] RBP: ffff8801c976f800 R08: ffff8801cf4c62c0 R09: ffffed003b5e4fb0
[ 1393.031309] R10: ffffed003b5e4fb0 R11: ffff8801daf27d87 R12: ffff8801c976fa20
[ 1393.038560] R13: ffff8801c976fae4 R14: ffff8801c976fae0 R15: 000000000000048b
[ 1393.045810] FS:  00007fd99f75e700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
[ 1393.054036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1393.059901] CR2: 00000000200001c0 CR3: 00000001d6843000 CR4: 00000000001406e0
[ 1393.067154] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1393.074410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1393.081656] Call Trace:
[ 1393.084241]  do_ip_vs_set_ctl+0x31c/0x1d00
[ 1393.144754]  nf_setsockopt+0x7d/0xd0
[ 1393.152312]  ip_setsockopt+0xd8/0xf0
[ 1393.156007]  udp_setsockopt+0x62/0xa0
[ 1393.159796]  ipv6_setsockopt+0x149/0x170
[ 1393.163836]  tcp_setsockopt+0x93/0xe0
[ 1393.167618]  sock_common_setsockopt+0x9a/0xe0
[ 1393.172093]  __sys_setsockopt+0x1bd/0x390
[ 1393.188968]  __x64_sys_setsockopt+0xbe/0x150
[ 1393.198349]  do_syscall_64+0x1b1/0x800
[ 1393.230659]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 1393.235824] RIP: 0033:0x447369
[ 1393.238991] RSP: 002b:00007fd99f75dda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1393.246689] RAX: ffffffffffffffda RBX: 00000000006e39e4 RCX: 0000000000447369
[ 1393.253944] RDX: 000000000000048b RSI: 0000000000000000 RDI: 0000000000000003
[ 1393.261192] RBP: 0000000000000000 R08: 0000000000000018 R09: 0000000000000000
[ 1393.268442] R10: 00000000200001c0 R11: 0000000000000246 R12: 00000000006e39e0
[ 1393.275704] R13: 75a1ff93f0896195 R14: 6f745f3168746576 R15: 0000000000000001
[ 1393.282954] Code: 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 48 89 df e8 d2 8f 48 fa eb de 55 48 89 fe 48 c7 c7 60 65 64 88 48 89 e5 e8 91 dd f3 f9 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 41 57 41 56 
[ 1393.302099] RIP: fortify_panic+0x13/0x20 RSP: ffff8801c976f800
[ 1393.308107] ---[ end trace 624046f2d9af7702 ]---
