diff options
| -rw-r--r-- | libavcodec/magicyuv.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/magicyuv.c b/libavcodec/magicyuv.c index 6250536da6..5f09c0be53 100644 --- a/libavcodec/magicyuv.c +++ b/libavcodec/magicyuv.c @@ -97,6 +97,8 @@ static int huff_build10(VLC *vlc, uint8_t *len) for (i = 0; i < 1024; i++) { he[i].sym = 1023 - i; he[i].len = len[i]; + if (len[i] == 0) + return AVERROR_INVALIDDATA; } AV_QSORT(he, 1024, HuffEntry, huff_cmp_len10); @@ -127,6 +129,8 @@ static int huff_build(VLC *vlc, uint8_t *len) for (i = 0; i < 256; i++) { he[i].sym = 255 - i; he[i].len = len[i]; + if (len[i] == 0) + return AVERROR_INVALIDDATA; } AV_QSORT(he, 256, HuffEntry, huff_cmp_len); |