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avcodec/hevc/hevcdec: initialize qp_y_tab

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This does not replicate on my setup, thus this is a blind fix based on ossfuzz trace

Fixes: use of uninitialized value
Fixes: 71747/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5427736120721408

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2024-09-23 21:21:40 +02:00
parent f52b9d0583
commit 4fc43e45f9
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1 changed files with 1 additions and 1 deletions
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libavcodec/hevc/hevcdec.c
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@ -129,7 +129,7 @@ static int pic_arrays_init(HEVCLayerContext *l, const HEVCSPS *sps)
l->filter_slice_edges = av_mallocz(ctb_count);
l->tab_slice_address = av_malloc_array(pic_size_in_ctb,
sizeof(*l->tab_slice_address));
l->qp_y_tab = av_malloc_array(pic_size_in_ctb,
l->qp_y_tab = av_calloc(pic_size_in_ctb,
sizeof(*l->qp_y_tab));
if (!l->qp_y_tab || !l->filter_slice_edges || !l->tab_slice_address)
goto fail;