Fixes: signed integer overflow: 2147483647 + 64 cannot be represented in type 'int' Fixes: 28509/clusterfuzz-testcase-minimized-ffmpeg_dem_IVR_fuzzer-6310969680723968
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/rmdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/rmdec.c b/libavformat/rmdec.c index 004c62086d..ae83a8afe7 100644 --- a/libavformat/rmdec.c +++ b/libavformat/rmdec.c @@ -254,7 +254,7 @@ static int rm_read_audio_stream_info(AVFormatContext *s, AVIOContext *pb, if (version == 5) avio_r8(pb); codecdata_length = avio_rb32(pb); - if(codecdata_length + AV_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){ + if((unsigned)codecdata_length > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE){ av_log(s, AV_LOG_ERROR, "codecdata_length too large\n"); return -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".
