[openssh-commits] [openssh] 02/02: upstream: avoid NULL deref in -Y find-principals. Report and fix

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djm pushed a commit to branch master
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commit ca0e455b9331213ff9505a21b94c38e34faa2bba
Author: djm at openbsd.org <djm at openbsd.org>
Date:   Tue Sep 7 06:03:51 2021 +0000

    upstream: avoid NULL deref in -Y find-principals. Report and fix
    
    from Carlo Marcelo Arenas Belón
    MIME-Version: 1.0
    Content-Type: text/plain; charset=UTF-8
    Content-Transfer-Encoding: 8bit
    
    OpenBSD-Commit-ID: 6238486f8ecc888d6ccafcd9ad99e621bb41f1e0
---
 ssh-keygen.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ssh-keygen.c b/ssh-keygen.c
index 18e9f1d1..cf5d95af 100644
--- a/ssh-keygen.c
+++ b/ssh-keygen.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-keygen.c,v 1.435 2021/08/11 08:54:17 djm Exp $ */
+/* $OpenBSD: ssh-keygen.c,v 1.436 2021/09/07 06:03:51 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo at cs.hut.fi>
  * Copyright (c) 1994 Tatu Ylonen <ylo at cs.hut.fi>, Espoo, Finland
@@ -2680,7 +2680,8 @@ sig_process_opts(char * const *opts, size_t nopts, uint64_t *verify_timep,
 	time_t now;
 
 	*verify_timep = 0;
-	*print_pubkey = 0;
+	if (print_pubkey == NULL)
+		*print_pubkey = 0;
 	for (i = 0; i < nopts; i++) {
 		if (strncasecmp(opts[i], "verify-time=", 12) == 0) {
 			if (parse_absolute_time(opts[i] + 12,

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