avcodec/iff: check for end of buffer in input for delta_l decompression

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2016-05-14 14:29:59 +02:00
parent d680ab1c46
commit 51a1c1c6ac

View File

@ -1248,7 +1248,7 @@ static void decode_delta_l(uint8_t *dst,
bytestream2_init(&dgb, buf + 2 * poff0, buf_end - (buf + 2 * poff0));
bytestream2_init(&ogb, buf + 2 * poff1, buf_end - (buf + 2 * poff1));
while ((bytestream2_peek_be16(&ogb)) != 0xFFFF) {
while ((bytestream2_peek_be16(&ogb)) != 0xFFFF && bytestream2_get_bytes_left(&ogb) >= 4) {
uint32_t offset = bytestream2_get_be16(&ogb);
int16_t cnt = bytestream2_get_be16(&ogb);
uint16_t data;