ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Thu Oct 30 19:24:49 2014 +0100| [47f1596ecef3304f20be1be2dc6978989334608f] | committer: Michael Niedermayer
avcodec/dxtory: use unaligned copy for unaligned addresses Fixes undefined behavior Fixes: asan_heap-oob_112c6b3_13_012.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=47f1596ecef3304f20be1be2dc6978989334608f --- libavcodec/dxtory.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libavcodec/dxtory.c b/libavcodec/dxtory.c index ee5d731..4d8b7b2 100644 --- a/libavcodec/dxtory.c +++ b/libavcodec/dxtory.c @@ -82,10 +82,10 @@ static int dxtory_decode_v1_410(AVCodecContext *avctx, AVFrame *pic, V = pic->data[2]; for (h = 0; h < avctx->height; h += 4) { for (w = 0; w < avctx->width; w += 4) { - AV_COPY32(Y1 + w, src); - AV_COPY32(Y2 + w, src + 4); - AV_COPY32(Y3 + w, src + 8); - AV_COPY32(Y4 + w, src + 12); + AV_COPY32U(Y1 + w, src); + AV_COPY32U(Y2 + w, src + 4); + AV_COPY32U(Y3 + w, src + 8); + AV_COPY32U(Y4 + w, src + 12); U[w >> 2] = src[16] + 0x80; V[w >> 2] = src[17] + 0x80; src += 18; _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
