ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Mon Jul 15 00:35:49 2019 +0200| [65bac4a7825e1f2bbf4112569ffa363cc1fdbce5] | committer: Michael Niedermayer
avcodec/ffwavesynth: Check if there is enough extradata before allocation Fixes: OOM Fixes: 15750/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5702090367696896 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Nicolas George <geo...@nsup.org> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=65bac4a7825e1f2bbf4112569ffa363cc1fdbce5 --- libavcodec/ffwavesynth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ffwavesynth.c b/libavcodec/ffwavesynth.c index 94a843e3ca..b319b3341a 100644 --- a/libavcodec/ffwavesynth.c +++ b/libavcodec/ffwavesynth.c @@ -247,7 +247,7 @@ static int wavesynth_parse_extradata(AVCodecContext *avc) edata_end = edata + avc->extradata_size; ws->nb_inter = AV_RL32(edata); edata += 4; - if (ws->nb_inter < 0) + if (ws->nb_inter < 0 || (edata_end - edata) / 24 < ws->nb_inter) return AVERROR(EINVAL); ws->inter = av_calloc(ws->nb_inter, sizeof(*ws->inter)); if (!ws->inter) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
