e2fsprogs/SOURCES/e2fsprogs-1.45.6-argv_parse-check-return-value-of-malloc-in-argv_pars.patch
2022-05-18 12:10:26 +00:00

35 lines
1.0 KiB
Diff

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