avcodec/mpeg12dec: use init_get_bits8 and check the return value

Thierry Foucu committed 3 years ago

Commit efbe84e1 parent 99bd2db1 file · +3 −1Browse files

Unified · Split

libavcodec/mpeg12dec.c+3−1

@@ -2550,7 +2550,9 @@ static int decode_chunks(AVCodecContext avctx, AVFrame picture, · 2549 unmodified lines
2550	2550	}
2551	2551	break;
2552	2552	case EXT_START_CODE:
2553		− init_get_bits(&s2->gb, buf_ptr, input_size * 8);
	2553	+ ret = init_get_bits8(&s2->gb, buf_ptr, input_size);
	2554	+ if (ret < 0)
	2555	+ return ret;
2554	2556
2555	2557	switch (get_bits(&s2->gb, 4)) {
2556	2558	case 0x1: