From dc3312c43c82ff9335b2bf4ee4f72365e824adfd Mon Sep 17 00:00:00 2001
From: Richard Genoud <richard.genoud@posteo.net>
Date: Tue, 3 Nov 2020 12:11:08 +0100
Subject: [PATCH] fs/squashfs: sqfs_concat_tokens: check if malloc succeeds
memory allocation should always be checked
Reviewed-by: Joao Marcos Costa <jmcosta944@gmail.com>
Signed-off-by: Richard Genoud <richard.genoud@posteo.net>
---
fs/squashfs/sqfs.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/squashfs/sqfs.c b/fs/squashfs/sqfs.c
index 72181f3833..7da2e09cc3 100644
--- a/fs/squashfs/sqfs.c
+++ b/fs/squashfs/sqfs.c
@@ -242,6 +242,9 @@ static char *sqfs_concat_tokens(char **token_list, int token_count)
length = sqfs_get_tokens_length(token_list, token_count);
result = malloc(length + 1);
+ if (!result)
+ return NULL;
+
result[length] = '\0';
for (i = 0; i < token_count; i++) {
--
2.39.5