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upstream: Check for non-NULL before string 

comparison. From jjelen at redhat.com via bz#2687.

OpenBSD-Commit-ID: 0d9b2e0cac88a311b5766b1aef737082583c285f
This commit is contained in:
dtucker@openbsd.org 2023-03-03 09:48:51 +00:00 committed by Darren Tucker
parent 1842d523fa
commit e44846a448
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1 changed files with 2 additions and 2 deletions
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4
clientloop.c
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@ -1,4 +1,4 @@
/* $OpenBSD: clientloop.c,v 1.388 2023/03/03 02:37:58 dtucker Exp $ */
/* $OpenBSD: clientloop.c,v 1.389 2023/03/03 09:48:51 dtucker Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -2112,7 +2112,7 @@ update_known_hosts(struct hostkeys_update_ctx *ctx)
free(response);
response = read_passphrase("Accept updated hostkeys? "
"(yes/no): ", RP_ECHO);
if (strcasecmp(response, "yes") == 0)
if (response != NULL && strcasecmp(response, "yes") == 0)
break;
else if (quit_pending || response == NULL ||
strcasecmp(response, "no") == 0) {