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Code Issues Releases Activity

avcodec/rv60dec: Clear blk_info

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Fixes: use of uninitialized memory
Fixes: 418335931/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RV60_fuzzer-5103986067963904

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2025-11-09 16:03:32 +01:00
committed by michaelni
parent c199b3d48f
commit 729d0379ab
1 changed files with 1 additions and 0 deletions
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libavcodec/rv60dec.c
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@@ -311,6 +311,7 @@ static int update_dimensions_clear_info(RV60Context *s, int width, int height)
return ret;
memset(s->pu_info, 0, s->pu_stride * (s->cu_height << 3) * sizeof(s->pu_info[0]));
memset(s->blk_info, 0, s->blk_stride * (s->cu_height << 4) * sizeof(s->blk_info[0]));
for (int j = 0; j < s->cu_height << 4; j++)
for (int i = 0; i < s->cu_width << 4; i++)