ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Sep 26 21:54:36 2020 +0200| [6949df35d0c69ae91bb0f49069e0703deb9bd676] | committer: Michael Niedermayer
avcodec/exr: Check xdelta, ydelta Fixes: assertion failure Fixes: 25617/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5648746061496320 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6949df35d0c69ae91bb0f49069e0703deb9bd676 --- libavcodec/exr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/exr.c b/libavcodec/exr.c index 216d216785..c80e8eb5e0 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -1751,7 +1751,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, /* Verify the xmin, xmax, ymin and ymax before setting the actual image size. * It's possible for the data window can larger or outside the display window */ - if (s->xmin > s->xmax || s->ymin > s->ymax) { + if (s->xmin > s->xmax || s->ymin > s->ymax || + s->ydelta == 0xFFFFFFFF || s->xdelta == 0xFFFFFFFF) { av_log(avctx, AV_LOG_ERROR, "Wrong or missing size information.\n"); return AVERROR_INVALIDDATA; } _______________________________________________ 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".
