xfrm_lookup+0x3b1/0x2860 net/xfrm/xfrm_policy.c:2162 BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 PGD 1afea5067 P4D 1afea5067 PUD 190a2a067 PMD 0 xfrm_lookup_route+0x39/0x1f0 net/xfrm/xfrm_policy.c:2282 Oops: 0010 [#1] SMP KASAN ip_route_output_flow+0xb1/0xc0 net/ipv4/route.c:2588 CPU: 1 PID: 11381 Comm: syz-executor1 Not tainted 4.17.0+ #84 ip_route_connect include/net/route.h:310 [inline] __ip4_datagram_connect+0x6e9/0xff0 net/ipv4/datagram.c:51 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 __ip6_datagram_connect+0xd28/0x1470 net/ipv6/datagram.c:191 RIP: 0010: (null) Code: Bad RIP value. RSP: 0018:ffff88018ff47590 EFLAGS: 00010246 ip6_datagram_connect+0x2f/0x50 net/ipv6/datagram.c:273 RAX: 0000000000000000 RBX: ffff8801a8a00800 RCX: 1ffffffff10ea9fd RDX: ffff88018ff47ab0 RSI: ffff8801b5ad0940 RDI: ffff8801b10af540 ip6_datagram_connect_v6_only+0x6a/0x90 net/ipv6/datagram.c:285 RBP: ffff88018ff47700 R08: 0000000000000001 R09: 0000000000000000 inet_dgram_connect+0x154/0x2e0 net/ipv4/af_inet.c:571 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10031fe8eb7 __sys_connect+0x37d/0x4c0 net/socket.c:1709 R13: ffff88018ff47ab0 R14: ffff8801a8a00812 R15: ffff8801a8a00c58 FS: 00007f3179739700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000001b31d9000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 __do_sys_connect net/socket.c:1720 [inline] __se_sys_connect net/socket.c:1717 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:1717 Call Trace: do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455b29 sock_poll+0x1d1/0x710 net/socket.c:1168 Code: 1d ba fb ff vfs_poll+0x77/0x2a0 fs/select.c:40 c3 do_pollfd fs/select.c:848 [inline] do_poll fs/select.c:896 [inline] do_sys_poll+0x6fd/0x1100 fs/select.c:990 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 __do_sys_poll fs/select.c:1048 [inline] __se_sys_poll fs/select.c:1036 [inline] __x64_sys_poll+0x189/0x510 fs/select.c:1036 ca 4d 89 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:290 c2 4d 89 c8 4c 8b entry_SYSCALL_64_after_hwframe+0x49/0xbe 4c RIP: 0033:0x455b29 24 Code: 08 1d 0f ba 05 fb <48> ff 3d c3 01 66 f0 2e ff 0f ff 1f 0f 84 83 00 eb 00 b9 00 fb ff 00 c3 00 66 66 90 2e 48 0f 1f 89 84 f8 00 48 00 89 00 f7 00 48 89 RSP: 002b:00007fe321d11c68 EFLAGS: 00000246 d6 ORIG_RAX: 000000000000002a 48 RAX: ffffffffffffffda RBX: 00007fe321d126d4 RCX: 0000000000455b29 RDX: 000000000000001c RSI: 00000000200000c0 RDI: 0000000000000013 89 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 ca R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016 4d R13: 00000000004bb945 R14: 00000000004c8660 R15: 0000000000000000 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f3179738c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 RAX: ffffffffffffffda RBX: 00007f31797396d4 RCX: 0000000000455b29 RDX: 00000000000000ec RSI: 0000000000000004 RDI: 0000000020000080 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c05f4 R14: 00000000004cfde8 R15: 0000000000000000 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) CR2: 0000000000000000 ---[ end trace 644a6126a6e57fb8 ]--- RIP: 0010: (null) Code: Bad RIP value. RSP: 0018:ffff88018ff47590 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8801a8a00800 RCX: 1ffffffff10ea9fd RDX: ffff88018ff47ab0 RSI: ffff8801b5ad0940 RDI: ffff8801b10af540 RBP: ffff88018ff47700 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10031fe8eb7 R13: ffff88018ff47ab0 R14: ffff8801a8a00812 R15: ffff8801a8a00c58 FS: 00007f3179739700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000001b31d9000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400