ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Sep 24 12:40:35 2019 +0200| [dd9e6d077ea3259cc6c1896334bbbc7f948979b7] | committer: Michael Niedermayer
avcodec/dxv: Subtract 12 earlier in dxv_decompress_cocg() the data_start is after reading 12 bytes and if its subtracted at the very end the intermediate might overflow Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=dd9e6d077ea3259cc6c1896334bbbc7f948979b7 --- libavcodec/dxv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/dxv.c b/libavcodec/dxv.c index df63006d04..b51d6393b0 100644 --- a/libavcodec/dxv.c +++ b/libavcodec/dxv.c @@ -783,7 +783,7 @@ static int dxv_decompress_cocg(DXVContext *ctx, GetByteContext *gb, return ret; } - bytestream2_seek(gb, data_start + op_offset + skip0 + skip1 - 12, SEEK_SET); + bytestream2_seek(gb, data_start - 12 + op_offset + skip0 + skip1, SEEK_SET); return 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".
