From a1e127a3a87554f78b0d124d7c0e03cca094aaf9 Mon Sep 17 00:00:00 2001
From: Love Hornquist Astrand <lha@h5l.org>
Date: Thu, 30 Jul 2009 13:10:59 +0200
Subject: [PATCH] Make sure we don't use negative indexing [CID-57]

---
 kadmin/stash.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kadmin/stash.c b/kadmin/stash.c
index 2f84b2ba8..62e4db653 100644
--- a/kadmin/stash.c
+++ b/kadmin/stash.c
@@ -87,8 +87,10 @@ stash(struct stash_options *opt, int argc, char **argv)
 	    n = read(opt->master_key_fd_integer, buf, sizeof(buf));
 	    if(n == 0)
 		krb5_warnx(context, "end of file reading passphrase");
-	    else if(n < 0)
+	    else if(n < 0) {
 		krb5_warn(context, errno, "reading passphrase");
+		n = 0;
+	    }
 	    buf[n] = '\0';
 	    buf[strcspn(buf, "\r\n")] = '\0';
 	} else {
-- 
2.11.4.GIT