Fixes: signed integer overflow: 777777776 * 4 cannot be represented in type 'int' Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-6726188921913344
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/rpl.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libavformat/rpl.c b/libavformat/rpl.c index b98488c7b1..558e5718ba 100644 --- a/libavformat/rpl.c +++ b/libavformat/rpl.c @@ -207,8 +207,10 @@ static int rpl_read_header(AVFormatContext *s) ast->codecpar->bits_per_coded_sample = 4; ast->codecpar->bit_rate = ast->codecpar->sample_rate * - ast->codecpar->bits_per_coded_sample * - ast->codecpar->channels; + (int64_t)ast->codecpar->bits_per_coded_sample; + if (ast->codecpar->bit_rate > INT64_MAX / ast->codecpar->channels) + return AVERROR_INVALIDDATA; + ast->codecpar->bit_rate *= ast->codecpar->channels; ast->codecpar->codec_id = AV_CODEC_ID_NONE; switch (audio_format) { -- 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".
