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commit a633df56a455ffb75cd97af784cb1f2d2ec2bca9 Author: Timo Rothenpieler <[email protected]> AuthorDate: Thu Jul 9 00:50:32 2026 +0200 Commit: Timo Rothenpieler <[email protected]> CommitDate: Mon Jul 13 21:13:25 2026 +0200 avcodec/d3d12va_vp9: check size of frame bitstream against available buffer size --- libavcodec/d3d12va_vp9.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavcodec/d3d12va_vp9.c b/libavcodec/d3d12va_vp9.c index 6f1f933fdd..f224044279 100644 --- a/libavcodec/d3d12va_vp9.c +++ b/libavcodec/d3d12va_vp9.c @@ -88,12 +88,18 @@ static int d3d12va_vp9_decode_slice(AVCodecContext *avctx, const uint8_t *buffer static int update_input_arguments(AVCodecContext *avctx, D3D12_VIDEO_DECODE_INPUT_STREAM_ARGUMENTS *input_args, ID3D12Resource *buffer) { + D3D12VADecodeContext *ctx = D3D12VA_DECODE_CONTEXT(avctx); const VP9SharedContext *h = avctx->priv_data; VP9DecodePictureContext *ctx_pic = h->frames[CUR_FRAME].hwaccel_picture_private; void *mapped_data; D3D12_VIDEO_DECODE_FRAME_ARGUMENT *args; + if (ctx_pic->slice.SliceBytesInBuffer > ctx->bitstream_size) { + av_log(avctx, AV_LOG_ERROR, "Input frame bitstream size exceeds internal buffer!\n"); + return AVERROR(EINVAL); + } + if (FAILED(ID3D12Resource_Map(buffer, 0, NULL, &mapped_data))) { av_log(avctx, AV_LOG_ERROR, "Failed to map D3D12 Buffer resource!\n"); return AVERROR(EINVAL); _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
