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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-03-30 02:16:31 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-06-18 01:16:03 +0200 |
| commit | 43916494f8cac6ed294309e70de346e309d51058 (patch) | |
| tree | 2a6caf5a77a886d77f305c932c96d625bcf81996 | |
| parent | 51035698bde9c13da7eedc1f6eb47d190bbc949d (diff) | |
| download | ffmpeg-43916494f8cac6ed294309e70de346e309d51058.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>
(cherry picked from commit 35eeff30caf34df835206f1c12bcf4b7c2bd6758)
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); |