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BUG: KMSAN: uninit-value in rds_bind+0x1f1/0x2360 net/rds/bind.c:174
CPU: 1 PID: 12752 Comm: syz-executor6 Not tainted 4.19.0-rc1+ #36
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+0x14b/0x190 lib/dump_stack.c:113
 kmsan_report+0x183/0x2b0 mm/kmsan/kmsan.c:956
 __msan_warning+0x70/0xc0 mm/kmsan/kmsan_instr.c:645
 rds_bind+0x1f1/0x2360 net/rds/bind.c:174
 __sys_bind+0x594/0x6f0 net/socket.c:1481
 __do_sys_bind net/socket.c:1492 [inline]
 __se_sys_bind net/socket.c:1490 [inline]
 __x64_sys_bind+0xd8/0x120 net/socket.c:1490
 do_syscall_64+0x15b/0x220 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x457089
Code: fd b4 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 b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3fcc61fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 00007f3fcc6206d4 RCX: 0000000000457089
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004cb0b0 R14: 00000000004c2e36 R15: 0000000000000000

Local variable description: ----address@__sys_bind
Variable was created at:
 __sys_bind+0x6a/0x6f0 net/socket.c:1468
 __do_sys_bind net/socket.c:1492 [inline]
 __se_sys_bind net/socket.c:1490 [inline]
 __x64_sys_bind+0xd8/0x120 net/socket.c:1490
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