From: Vojtech Trefny <vtrefny@redhat.com>
Date: Fri, 19 Jul 2019 11:35:11 +0000 (+0200)
Subject: libfdisk: Fix double free of *_chs strings in fdisk_partition
X-Git-Tag: v2.35-rc1~306^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=79f37ec4e1ab65664a2930793f497b288563e907;p=thirdparty%2Futil-linux.git

libfdisk: Fix double free of *_chs strings in fdisk_partition

__copy_partition doesn't duplicate these strings which leads to
occasional double free.

Signed-off-by: Vojtech Trefny <vtrefny@redhat.com>
---

diff --git a/libfdisk/src/partition.c b/libfdisk/src/partition.c
index 05474a041c..55ce1ca5cc 100644
--- a/libfdisk/src/partition.c
+++ b/libfdisk/src/partition.c
@@ -100,6 +100,10 @@ static struct fdisk_partition *__copy_partition(struct fdisk_partition *o)
 		n->fsuuid = strdup(o->fsuuid);
 	if (o->fslabel)
 		n->fslabel = strdup(o->fslabel);
+	if (o->start_chs)
+		n->start_chs = strdup(o->start_chs);
+	if (o->end_chs)
+		n->end_chs = strdup(o->end_chs);
 
 	return n;
 }