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avcodec/rv60: negative qp guard 

Fixes CID 1634472
This commit is contained in:
Peter Ross 2024-11-06 07:57:17 +11:00
parent 82467b635e
commit d51a920556
1 changed files with 2 additions and 0 deletions
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2
libavcodec/rv60dec.c
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@ -2270,6 +2270,8 @@ static int decode_slice(AVCodecContext *avctx, void *tdata, int cu_y, int thread
ff_thread_progress_await(&s->progress[cu_y - 1], cu_x + 2);
qp = s->qp + read_qp_offset(&gb, s->qp_off_type);
if (qp < 0)
return AVERROR_INVALIDDATA;
sel_qp = calc_sel_qp(s->osvquant, qp);
memset(thread.coded_blk, 0, sizeof(thread.coded_blk));