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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-20 17:18:11 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-20 17:18:11 +0200 |
| commit | 6707152f08bbb413329f4460ed604ad58583d972 (patch) | |
| tree | f55b7d3fc969b123a3dfb794bc63de0cbe5be744 | |
| parent | 939b72b02e40a7db440b68f31ab23bd550785344 (diff) | |
| download | ffmpeg-6707152f08bbb413329f4460ed604ad58583d972.tar.gz | |
avcodec/notchlc: Revert incorrect compression bound
Revert "avcodec/notchlc: Check uncompressed size against input for LZ4"
Found-by: durandal_1707
This reverts commit 51002362c4ed301e54cea1597666cd5cc9a134f3.
| -rw-r--r-- | libavcodec/notchlc.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/libavcodec/notchlc.c b/libavcodec/notchlc.c index d13ce3193c..3f7079da70 100644 --- a/libavcodec/notchlc.c +++ b/libavcodec/notchlc.c @@ -490,11 +490,6 @@ static int decode_frame(AVCodecContext *avctx, bytestream2_init(gb, s->lzf_buffer, uncompressed_size); } 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, uncompressed_size); if (!s->uncompressed_buffer) |