================================================================== BUG: KMSAN: uninit-value in rds_connect+0x16c/0x900 net/rds/af_rds.c:548 CPU: 1 PID: 20307 Comm: syz-executor.0 Not tainted 5.1.0-rc4+ #1 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+0x173/0x1d0 lib/dump_stack.c:113 kmsan_report+0x131/0x2a0 mm/kmsan/kmsan.c:619 __msan_warning+0x7a/0xf0 mm/kmsan/kmsan_instr.c:310 rds_connect+0x16c/0x900 net/rds/af_rds.c:548 __sys_connect+0x664/0x820 net/socket.c:1808 __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:00007f0e8563bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e8563c6d4 R13: 00000000004bf1f1 R14: 00000000004d02c0 R15: 00000000ffffffff Local variable description: ----address@__sys_connect Variable was created at: __sys_connect+0x87/0x820 net/socket.c:1791 __do_sys_connect net/socket.c:1819 [inline] __se_sys_connect+0x8d/0xb0 net/socket.c:1816 ==================================================================