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-rw-r--r--fs/squashfs/sqfs.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/squashfs/sqfs.c b/fs/squashfs/sqfs.c
index f668c26472e..9cb8b4afcdd 100644
--- a/fs/squashfs/sqfs.c
+++ b/fs/squashfs/sqfs.c
@@ -178,6 +178,11 @@ static int sqfs_frag_lookup(u32 inode_fragment_index,
goto out;
}
+ if (SQFS_METADATA_SIZE(header) > SQFS_METADATA_BLOCK_SIZE) {
+ ret = -EINVAL;
+ goto out;
+ }
+
entries = malloc(SQFS_METADATA_BLOCK_SIZE);
if (!entries) {
ret = -ENOMEM;