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upstream: guard against getsockname(-1, ...) from Coverity CID

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OpenBSD-Commit-ID: e58d5227327917d189229b7f0b37d2780f360d5f
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djm@openbsd.org 2023-03-03 05:00:34 +00:00 committed by Damien Miller
parent 78571a5fe9
commit 1842d523fa
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1 changed files with 4 additions and 1 deletions
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canohost.c
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@ -1,4 +1,4 @@
/* $OpenBSD: canohost.c,v 1.75 2020/10/18 11:32:01 djm Exp $ */ /* $OpenBSD: canohost.c,v 1.76 2023/03/03 05:00:34 djm Exp $ */
/* /*
* Author: Tatu Ylonen <ylo@cs.hut.fi> * Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -72,6 +72,9 @@ get_socket_address(int sock, int remote, int flags)
char ntop[NI_MAXHOST]; char ntop[NI_MAXHOST];
int r; int r;
if (sock < 0)
return NULL;
/* Get IP address of client. */ /* Get IP address of client. */
addrlen = sizeof(addr); addrlen = sizeof(addr);
memset(&addr, 0, sizeof(addr)); memset(&addr, 0, sizeof(addr));