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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-03-30 02:16:31 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-04-01 02:58:51 +0200 |
| commit | 35eeff30caf34df835206f1c12bcf4b7c2bd6758 (patch) | |
| tree | 5776a8855394d9f5bf80dfffaf709a68ee31a27c | |
| parent | 47b7c68ae54560e2308bdb6be4fb076c73b93081 (diff) | |
| download | ffmpeg-35eeff30caf34df835206f1c12bcf4b7c2bd6758.tar.gz | |
avfilter/vf_signature: use av_strlcpy()
Fixes: out of array access
Found-by: Kira <kira_cxy@foxmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavfilter/vf_signature.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavfilter/vf_signature.c b/libavfilter/vf_signature.c index f0078ba1a6..d07b213f31 100644 --- a/libavfilter/vf_signature.c +++ b/libavfilter/vf_signature.c @@ -576,7 +576,8 @@ static int export(AVFilterContext *ctx, StreamContext *sc, int input) /* error already handled */ av_assert0(av_get_frame_filename(filename, sizeof(filename), sic->filename, input) == 0); } else { - strcpy(filename, sic->filename); + if (av_strlcpy(filename, sic->filename, sizeof(filename)) >= sizeof(filename)) + return AVERROR(EINVAL); } if (sic->format == FORMAT_XML) { return xml_export(ctx, sc, filename); |