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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-12-30 02:39:58 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-12-30 21:50:04 +0100 |
| commit | 08bd2cbfeb34717d60ec62bcbaeb7996206df906 (patch) | |
| tree | 3d023dd0f65c2d879501cf216feb0188157163f5 | |
| parent | 56c5930ec36be3bc63a27913d6f0a199912220c5 (diff) | |
| download | ffmpeg-08bd2cbfeb34717d60ec62bcbaeb7996206df906.tar.gz | |
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 <michael@niedermayer.cc>
| -rw-r--r-- | libavfilter/avf_showwaves.c | 2 |
1 files changed, 2 insertions, 0 deletions
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) |