From: Wu Guanghao <wuguanghao3@huawei.com>
Date: Tue, 14 Oct 2025 03:49:11 +0000 (+0800)
Subject: mdadm: Fix memory leak issue in load_ddf_local()
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ca10248139610ffb53fe90224333513dcc3ca155;p=thirdparty%2Fmdadm.git

mdadm: Fix memory leak issue in load_ddf_local()

dl->devname might be allocated space through xstrdup(). Before an
abnormal exit, it needs to be checked and released.

Signed-off-by: Wu Guanghao <wuguanghao3@huawei.com>
---

diff --git a/super-ddf.c b/super-ddf.c
index 7b38f912..657c53ab 100644
--- a/super-ddf.c
+++ b/super-ddf.c
@@ -1208,6 +1208,8 @@ static int load_ddf_local(int fd, struct ddf_super *super,
 	dl->devname = devname ? xstrdup(devname) : NULL;
 
 	if (fstat(fd, &stb) != 0) {
+		if (dl->devname)
+			free(dl->devname);
 		free(dl);
 		return 1;
 	}