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Code Issues Releases Activity

avcodec/rv60dec: Initialize slice gb with actually allocated size

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Fixes: out of array access
Fixes: 385170375/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RV60_fuzzer-4710055187906560

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer
2025-02-09 02:08:20 +01:00
parent 8668957ef6
commit 01f74bfaa2
1 changed files with 1 additions and 1 deletions
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libavcodec/rv60dec.c
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@@ -2257,7 +2257,7 @@ static int decode_slice(AVCodecContext *avctx, void *tdata, int cu_y, int thread
thread.avg_linesize[1] = 32; thread.avg_linesize[1] = 32;
thread.avg_linesize[2] = 32; thread.avg_linesize[2] = 32;
if ((ret = init_get_bits8(&gb, s->slice[cu_y].data, s->slice[cu_y].size)) < 0) if ((ret = init_get_bits8(&gb, s->slice[cu_y].data, s->slice[cu_y].data_size)) < 0)
return ret; return ret;
for (int cu_x = 0; cu_x < s->cu_width; cu_x++) { for (int cu_x = 0; cu_x < s->cu_width; cu_x++) {