Fixes: signed integer overflow: 65792 * 65312 cannot be represented in type 'int' Fixes: 67819/clusterfuzz-testcase-minimized-ffmpeg_dem_WADY_fuzzer-5236100912185344
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/pcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/pcm.c b/libavformat/pcm.c index 051e86dd464..a774dbc3726 100644 --- a/libavformat/pcm.c +++ b/libavformat/pcm.c @@ -41,7 +41,7 @@ int ff_pcm_default_packet_size(AVCodecParameters *par) /* Don't trust the codecpar bitrate if we can calculate it ourselves */ if (bits_per_sample > 0 && par->sample_rate > 0 && par->ch_layout.nb_channels > 0) if ((int64_t)par->sample_rate * par->ch_layout.nb_channels < INT64_MAX / bits_per_sample) - bitrate = bits_per_sample * par->sample_rate * par->ch_layout.nb_channels; + bitrate = bits_per_sample * (int64_t)par->sample_rate * par->ch_layout.nb_channels; if (bitrate > 0) { nb_samples = av_clip64(bitrate / 8 / PCM_DEMUX_TARGET_FPS / par->block_align, 1, max_samples); -- 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".
