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path: root/source/n/bsd-finger/bsd-finger-0.17-match_sigsegv.patch
blob: f9fd99d6bdb9995767e94f6b83c241d8ed29457a (plain) (tree)
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diff -up bsd-finger-0.17/finger/util.c.match_sigsegv bsd-finger-0.17/finger/util.c
--- bsd-finger-0.17/finger/util.c.match_sigsegv	2012-10-16 10:22:26.240480338 +0200
+++ bsd-finger-0.17/finger/util.c	2012-10-16 10:26:15.744072682 +0200
@@ -186,6 +186,9 @@ match(struct passwd *pw, const char *use
 	int i, j, ct, rv=0;
 	char *rname;
 
+	if (pw == NULL || pw->pw_gecos == NULL)
+		return 0;
+
 	strncpy(tbuf, pw->pw_gecos, TBUFLEN);
 	tbuf[TBUFLEN-1] = 0;  /* guarantee null termination */
 	p = tbuf;