kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 19597 Comm: syz-executor.5 Not tainted 5.2.0-rc2-next-20190531 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ip6_route_get_saddr include/net/ip6_route.h:120 [inline] RIP: 0010:ip6_dst_lookup_tail+0xf0e/0x1b30 net/ipv6/ip6_output.c:1024 Code: e6 07 e8 e5 08 52 fb 48 85 db 0f 84 83 08 00 00 e8 d7 08 52 fb 48 8d 7b 7c 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 07 RSP: 0018:ffff88808e13f900 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: ff8880a1c3bd0000 RCX: ffffc900128c9000 RDX: 1ff110143877a00f RSI: ffffffff861ee199 RDI: ff8880a1c3bd007c RBP: ffff88808e13fa58 R08: ffff888092e58680 R09: ffffed1015d06be8 R10: ffffed1015d06be7 R11: ffff8880ae835f3b R12: ffff88808e13fb70 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88808e13fb98 FS: 00007f283ff39700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcfe63d2028 CR3: 0000000086cf9000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip6_dst_lookup_flow+0xa8/0x220 net/ipv6/ip6_output.c:1147 ip6_datagram_dst_update+0x5d8/0xc20 net/ipv6/datagram.c:91 __ip6_datagram_connect+0x5e9/0x1390 net/ipv6/datagram.c:250 ip6_datagram_connect+0x30/0x50 net/ipv6/datagram.c:273 inet_dgram_connect+0x14a/0x2d0 net/ipv4/af_inet.c:575 __sys_connect+0x264/0x330 net/socket.c:1840 __do_sys_connect net/socket.c:1851 [inline] __se_sys_connect net/socket.c:1848 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:1848 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459279 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f283ff38c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459279 RDX: 000000000000001c RSI: 0000000020000200 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f283ff396d4 R13: 00000000004bf74d R14: 00000000004d0c18 R15: 00000000ffffffff Modules linked in: ---[ end trace ffcec915d0ef06c9 ]--- RIP: 0010:ip6_route_get_saddr include/net/ip6_route.h:120 [inline] RIP: 0010:ip6_dst_lookup_tail+0xf0e/0x1b30 net/ipv6/ip6_output.c:1024 Code: e6 07 e8 e5 08 52 fb 48 85 db 0f 84 83 08 00 00 e8 d7 08 52 fb 48 8d 7b 7c 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 07 RSP: 0018:ffff88808e13f900 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: ff8880a1c3bd0000 RCX: ffffc900128c9000 RDX: 1ff110143877a00f RSI: ffffffff861ee199 RDI: ff8880a1c3bd007c RBP: ffff88808e13fa58 R08: ffff888092e58680 R09: ffffed1015d06be8 R10: ffffed1015d06be7 R11: ffff8880ae835f3b R12: ffff88808e13fb70 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88808e13fb98 FS: 00007f283ff39700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 0000000086cf9000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400