==================================================================
BUG: KMSAN: uninit-value in tomoyo_check_inet_address+0x143/0xd10 security/tomoyo/network.c:508
CPU: 0 PID: 14125 Comm: syz-executor.4 Not tainted 5.1.0+ #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x191/0x1f0 lib/dump_stack.c:113
 kmsan_report+0x130/0x2a0 mm/kmsan/kmsan.c:619
 __msan_warning+0x75/0xe0 mm/kmsan/kmsan_instr.c:310
 tomoyo_check_inet_address+0x143/0xd10 security/tomoyo/network.c:508
 tomoyo_socket_connect_permission+0x3ce/0x400 security/tomoyo/network.c:706
 tomoyo_socket_connect+0x8b/0xa0 security/tomoyo/tomoyo.c:456
 security_socket_connect+0x127/0x200 security/security.c:1948
 __sys_connect+0x536/0x820 net/socket.c:1804
 __do_sys_connect net/socket.c:1819 [inline]
 __se_sys_connect+0x8d/0xb0 net/socket.c:1816
 __x64_sys_connect+0x4a/0x70 net/socket.c:1816
 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x458da9
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f4c20105c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4c201066d4
R13: 00000000004bf2cf R14: 00000000004d0660 R15: 00000000ffffffff

Local variable description: ----address@__sys_connect
Variable was created at:
 sockfd_lookup_light net/socket.c:488 [inline]
 __sys_connect+0x8c/0x820 net/socket.c:1796
 __do_sys_connect net/socket.c:1819 [inline]
 __se_sys_connect+0x8d/0xb0 net/socket.c:1816
==================================================================