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: 1 PID: 12393 Comm: syz-executor.4 Not tainted 5.2.0-rc1+ #1
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+0xc22/0x16d0 net/ipv6/ip6_output.c:971
Code: 0f b7 4f 4e 66 c1 e9 07 83 e1 07 4d 85 e4 0f 84 7d 06 00 00 49 8d 7c 24 7c 48 b8 00 00 00 00 00 fc ff df 48 89 fe 48 c1 ee 03 <0f> b6 34 06 48 89 f8 83 e0 07 83 c0 03 40 38 f0 7c 09 40 84 f6 0f
RSP: 0018:ffff888081ab73c0 EFLAGS: 00010a07
RAX: dffffc0000000000 RBX: ffff888081ab76a0 RCX: 0000000000000000
RDX: ffff888081ab76c8 RSI: 1ff1101060fe000f RDI: ff88808307f0007c
RBP: ffff888081ab7500 R08: ffffed1015d66be0 R09: ffffed1015d66bdf
R10: ffffed1015d66bdf R11: ffff8880aeb35efb R12: ff88808307f00000
R13: ffff888081ab7538 R14: 0000000000000000 R15: ffff8880943e8b70
FS:  00007fa38703f700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000b7ee80 CR3: 0000000089a83000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ip6_dst_lookup_flow+0x9b/0x1e0 net/ipv6/ip6_output.c:1094
 tcp_v6_connect+0xcfb/0x1d90 net/ipv6/tcp_ipv6.c:282
 __inet_stream_connect+0x661/0xd10 net/ipv4/af_inet.c:659
 tcp_sendmsg_fastopen net/ipv4/tcp.c:1143 [inline]
 tcp_sendmsg_locked+0x20b3/0x3d40 net/ipv4/tcp.c:1185
 tcp_sendmsg+0x27/0x40 net/ipv4/tcp.c:1419
 inet_sendmsg+0x108/0x460 net/ipv4/af_inet.c:802
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xb5/0xf0 net/socket.c:671
 ___sys_sendmsg+0x647/0x950 net/socket.c:2292
 __sys_sendmsg+0xd9/0x180 net/socket.c:2330
 __do_sys_sendmsg net/socket.c:2339 [inline]
 __se_sys_sendmsg net/socket.c:2337 [inline]
 __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2337
 do_syscall_64+0xd0/0x530 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:00007fa38703ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459279
RDX: 0000000020008844 RSI: 0000000020000240 RDI: 0000000000000005
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa38703f6d4
R13: 00000000004c6ccc R14: 00000000004dbb30 R15: 00000000ffffffff
Modules linked in:
---[ end trace e4f8a3f146e0b263 ]---
RIP: 0010:ip6_route_get_saddr include/net/ip6_route.h:120 [inline]
RIP: 0010:ip6_dst_lookup_tail+0xc22/0x16d0 net/ipv6/ip6_output.c:971
Code: 0f b7 4f 4e 66 c1 e9 07 83 e1 07 4d 85 e4 0f 84 7d 06 00 00 49 8d 7c 24 7c 48 b8 00 00 00 00 00 fc ff df 48 89 fe 48 c1 ee 03 <0f> b6 34 06 48 89 f8 83 e0 07 83 c0 03 40 38 f0 7c 09 40 84 f6 0f
RSP: 0018:ffff888081ab73c0 EFLAGS: 00010a07
RAX: dffffc0000000000 RBX: ffff888081ab76a0 RCX: 0000000000000000
RDX: ffff888081ab76c8 RSI: 1ff1101060fe000f RDI: ff88808307f0007c
RBP: ffff888081ab7500 R08: ffffed1015d66be0 R09: ffffed1015d66bdf
R10: ffffed1015d66bdf R11: ffff8880aeb35efb R12: ff88808307f00000
R13: ffff888081ab7538 R14: 0000000000000000 R15: ffff8880943e8b70
FS:  00007fa38703f700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000b7ee80 CR3: 0000000089a83000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400