Fixes: signed integer overflow: 6000 * -2147483648 cannot be represented in type 'int' Fixes: 25700/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6578316302352384
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/wvdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/wvdec.c b/libavformat/wvdec.c index b9fc6a59f9..b7d8dbbe78 100644 --- a/libavformat/wvdec.c +++ b/libavformat/wvdec.c @@ -192,7 +192,7 @@ static int wv_read_block_header(AVFormatContext *ctx, AVIOContext *pb) if (id & 0x40) avio_skip(pb, 1); } - if (rate == -1) { + if (rate == -1 || rate * (uint64_t)rate_x >= INT_MAX) { av_log(ctx, AV_LOG_ERROR, "Cannot determine custom sampling rate\n"); return AVERROR_INVALIDDATA; -- 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".
