diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index c27b4fe57513..bdc931990d2c 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -679,9 +679,13 @@ static struct NTFS_DE *hdr_find_e(const struct ntfs_index *indx, u32 e_size, e_key_len; u32 end = le32_to_cpu(hdr->used); u32 off = le32_to_cpu(hdr->de_off); + u32 total = le32_to_cpu(hdr->total); u16 offs[128]; fill_table: + if (end > total) + return NULL; + if (off + sizeof(struct NTFS_DE) > end) return NULL;