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| author | Limin Wang <lance.lmwang@gmail.com> | 2020-03-29 08:08:04 +0800 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2020-04-17 16:56:13 +0200 |
| commit | 403bee30a57bfa77efebddcebc546df9d3876db2 (patch) | |
| tree | 80a3d497b4853659730481d0fb93bfbbe330f805 /libavfilter | |
| parent | 24db9372eb3a23ac76425ad8aa7affa7ae3501ec (diff) | |
| download | ffmpeg-403bee30a57bfa77efebddcebc546df9d3876db2.tar.gz | |
avfilter/af_acrossover: Check sscanf() return value
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
Diffstat (limited to 'libavfilter')
| -rw-r--r-- | libavfilter/af_acrossover.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavfilter/af_acrossover.c b/libavfilter/af_acrossover.c index f70c50b3ed..002f378c3d 100644 --- a/libavfilter/af_acrossover.c +++ b/libavfilter/af_acrossover.c @@ -99,7 +99,10 @@ static av_cold int init(AVFilterContext *ctx) p = NULL; - av_sscanf(arg, "%f", &freq); + if (av_sscanf(arg, "%f", &freq) != 1) { + av_log(ctx, AV_LOG_ERROR, "Invalid syntax for frequency[%d].\n", i); + return AVERROR(EINVAL); + } if (freq <= 0) { av_log(ctx, AV_LOG_ERROR, "Frequency %f must be positive number.\n", freq); return AVERROR(EINVAL); |