From 9e298ba470a6abc7d94fe659cf65fcb0b993c0b8 Mon Sep 17 00:00:00 2001

From: Zhiqiang Liu <liuzhiqiang26@huawei.com>

Date: Wed, 30 Jun 2021 16:27:19 +0800

Subject: [PATCH 30/46] argv_parse: check return value of malloc in

 argv_parse()

Content-Type: text/plain

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>

Signed-off-by: Lukas Czerner <lczerner@redhat.com>

---

 lib/support/argv_parse.c | 2 ++

 1 file changed, 2 insertions(+)

diff --git a/lib/support/argv_parse.c b/lib/support/argv_parse.c

index d22f6344..1f50f9e5 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)

-- 

2.35.1