ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Mar 26 02:30:57 2024 +0100| [d188a867302fd745b5980a90a0b5cad9016c477c] | committer: Michael Niedermayer
avcodec/rtv1: fix undefined FFALIGN Fixes: signed integer overflow: 2147483647 + 4 cannot be represented in type 'int' Fixes: 62285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RTV1_fuzzer-6324303861514240 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=d188a867302fd745b5980a90a0b5cad9016c477c --- libavcodec/rtv1.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/rtv1.c b/libavcodec/rtv1.c index 06afe9e873..807c8a3466 100644 --- a/libavcodec/rtv1.c +++ b/libavcodec/rtv1.c @@ -113,6 +113,8 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *p, width = bytestream2_get_le32(&gb); height = bytestream2_get_le32(&gb); + if (width > INT_MAX-4U || height > INT_MAX-4U) + return AVERROR_INVALIDDATA; ret = ff_set_dimensions(avctx, FFALIGN(width, 4), FFALIGN(height, 4)); if (ret < 0) return ret; _______________________________________________ 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".
