Fixes: signed integer overflow: 65535 * 65535 cannot be represented in type 'int' Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_MVI_fuzzer-6649291124899840
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/mvi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mvi.c b/libavformat/mvi.c index 06c9cfe3f0..2d4b11aa32 100644 --- a/libavformat/mvi.c +++ b/libavformat/mvi.c @@ -94,7 +94,7 @@ static int read_header(AVFormatContext *s) vst->codecpar->codec_type = AVMEDIA_TYPE_VIDEO; vst->codecpar->codec_id = AV_CODEC_ID_MOTIONPIXELS; - mvi->get_int = (vst->codecpar->width * vst->codecpar->height < (1 << 16)) ? avio_rl16 : avio_rl24; + mvi->get_int = (vst->codecpar->width * (int64_t)vst->codecpar->height < (1 << 16)) ? avio_rl16 : avio_rl24; mvi->audio_frame_size = ((uint64_t)mvi->audio_data_size << MVI_FRAC_BITS) / frames_count; if (mvi->audio_frame_size <= 1 << MVI_FRAC_BITS - 1) { -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
