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Code Issues Releases Activity

avcodec/notchlc: Revert incorrect compression bound

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Revert "avcodec/notchlc: Check uncompressed size against input for LZ4"

Found-by: durandal_1707
This reverts commit 51002362c4.
This commit is contained in:
Michael Niedermayer 2020-10-20 17:18:11 +02:00
parent 939b72b02e
commit 6707152f08
1 changed files with 0 additions and 5 deletions
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5
libavcodec/notchlc.c
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@ -490,11 +490,6 @@ static int decode_frame(AVCodecContext *avctx,
bytestream2_init(gb, s->lzf_buffer, uncompressed_size); bytestream2_init(gb, s->lzf_buffer, uncompressed_size);
} else if (s->format == 1) { } else if (s->format == 1) {
unsigned remaining = bytestream2_get_bytes_left(gb);
if (remaining > 0x7E000000U || remaining + remaining/255 + 16 < uncompressed_size)
return AVERROR_INVALIDDATA;
av_fast_padded_malloc(&s->uncompressed_buffer, &s->uncompressed_size, av_fast_padded_malloc(&s->uncompressed_buffer, &s->uncompressed_size,
uncompressed_size); uncompressed_size);
if (!s->uncompressed_buffer) if (!s->uncompressed_buffer)