diff mbox series

[V2,07/12] argv_parse: check return value of malloc in argv_parse()

Message ID 40063d0f-09dd-c7e6-fbd4-19b4438284ee@huawei.com
State Superseded
Headers show
Series e2fsprogs: some bugfixs and some code cleanups | expand

Commit Message

wuguanghao May 31, 2021, 1:31 a.m. UTC 
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>
---
 lib/support/argv_parse.c | 2 ++
 1 file changed, 2 insertions(+)

--
diff mbox series

Patch

diff --git a/lib/support/argv_parse.c b/lib/support/argv_parse.c
index d22f6344..1ef9c014 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)