From: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Date: Wed, 30 Jun 2021 08:27:19 +0000 (+0800)
Subject: argv_parse: check return value of malloc in argv_parse()
X-Git-Tag: v1.46.3~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a61bc9e009b4b829f61f1717753b4ee0882d9aba;p=thirdparty%2Fe2fsprogs.git

argv_parse: check return value of malloc in argv_parse()

In argv_parse(), return value of malloc should be checked
whether it is NULL, otherwise, it may cause a segfault error.

Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Signed-off-by: Wu Guanghao <wuguanghao3@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/lib/support/argv_parse.c b/lib/support/argv_parse.c
index d22f6344c..1f50f9e57 100644
--- a/lib/support/argv_parse.c
+++ b/lib/support/argv_parse.c
@@ -116,6 +116,8 @@ int argv_parse(char *in_buf, int *ret_argc, char ***ret_argv)
 	if (argv == 0) {
 		argv = malloc(sizeof(char *));
 		free(buf);
+		if (!argv)
+			return -1;
 	}
 	argv[argc] = 0;
 	if (ret_argc)