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Code Issues Releases Activity

avcodec/8bps: Consider width in the minimal size check

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Fixes: Timeout
Fixes: 64479/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EIGHTBPS_fuzzer-5434435386081280

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5db09574dfd40d3e15db9336a34398405a1c601b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-02-25 22:06:48 +01:00
parent a7d8b3c7e4
commit eea625e217
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1 changed files with 1 additions and 1 deletions
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libavcodec/8bps.c
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@ -68,7 +68,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame,
unsigned char *planemap = c->planemap;
int ret;
if (buf_size < planes * height * 2)
if (buf_size < planes * height * (2 + 2*((avctx->width+128)/129)))
return AVERROR_INVALIDDATA;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)