ffmpeg | branch: release/5.1 | Michael Niedermayer <mich...@niedermayer.cc> | Sat May 11 21:04:00 2024 +0200| [701ca03b0063a09e9fe5d536dbe55bc9282dad41] | committer: Michael Niedermayer
avcodec/mpeg12dec: Use 64bit in bit computation I dont think this can actually overflow but 64bit seems reasonable to use Fixes: CID1521983 Unintentional integer overflow Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 4c725df059dd9a5f2071e204924105b3ceb74cbc) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=701ca03b0063a09e9fe5d536dbe55bc9282dad41 --- libavcodec/mpeg12dec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c index 0e8627c4a4..57ee5eaac1 100644 --- a/libavcodec/mpeg12dec.c +++ b/libavcodec/mpeg12dec.c @@ -2979,7 +2979,7 @@ static int ipu_decode_frame(AVCodecContext *avctx, AVFrame *frame, int ret; // Check for minimal intra MB size (considering mb header, luma & chroma dc VLC, ac EOB VLC) - if (avpkt->size*8LL < (avctx->width+15)/16 * ((avctx->height+15)/16) * (2 + 3*4 + 2*2 + 2*6)) + if (avpkt->size*8LL < (avctx->width+15)/16 * ((avctx->height+15)/16) * (2LL + 3*4 + 2*2 + 2*6)) return AVERROR_INVALIDDATA; ret = ff_get_buffer(avctx, frame, 0); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
