ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Dec 30 02:39:58 2023 +0100| [08bd2cbfeb34717d60ec62bcbaeb7996206df906] | committer: Michael Niedermayer
avfilter/avf_showwaves: Check history_nb_samples Fixes: out of array access Fixes: tickets/10756/poc18ffmpeg Discovered by Zeng Yunxiang Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=08bd2cbfeb34717d60ec62bcbaeb7996206df906 --- libavfilter/avf_showwaves.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavfilter/avf_showwaves.c b/libavfilter/avf_showwaves.c index 329753c8c8..e19b93a207 100644 --- a/libavfilter/avf_showwaves.c +++ b/libavfilter/avf_showwaves.c @@ -440,6 +440,8 @@ static int config_output(AVFilterLink *outlink) showwaves->history_nb_samples = av_rescale(showwaves->w * nb_channels * 2, showwaves->n.num, showwaves->n.den); + if (showwaves->history_nb_samples <= 0) + return AVERROR(EINVAL); showwaves->history = av_calloc(showwaves->history_nb_samples, sizeof(*showwaves->history)); if (!showwaves->history) _______________________________________________ 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".
