From: Gaël PORTAY <gael.portay@collabora.com>
Date: Fri, 20 Mar 2020 20:10:35 +0000 (-0400)
Subject: libfdisk: (script) fix segmentation fault
X-Git-Tag: v2.36-rc1~177^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3468dda9c34b1860d4b64f590651aab718b0cc5e;p=thirdparty%2Futil-linux.git

libfdisk: (script) fix segmentation fault

This patch fixes a segmentation fault that occurs if the name value is
empty (i.e. name=).

Signed-off-by: Gaël PORTAY <gael.portay@collabora.com>
---

diff --git a/libfdisk/src/script.c b/libfdisk/src/script.c
index e73c8dcdb1..cc53c3b7db 100644
--- a/libfdisk/src/script.c
+++ b/libfdisk/src/script.c
@@ -1059,7 +1059,8 @@ static int parse_line_nameval(struct fdisk_script *dp, char *s)
 		} else if (!strncasecmp(p, "name=", 5)) {
 			p += 5;
 			rc = next_string(&p, &pa->name);
-			unhexmangle_string(pa->name);
+			if (!rc)
+				unhexmangle_string(pa->name);
 
 		} else if (!strncasecmp(p, "type=", 5) ||
 			   !strncasecmp(p, "Id=", 3)) {		/* backward compatibility */