[FFmpeg-cvslog] avfilter/af_vibrato: Fix segfault upon allocation error

Andreas Rheinhardt git at videolan.org
Wed Jan 12 02:50:34 EET 2022


ffmpeg | branch: release/4.4 | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Wed Oct  6 15:36:05 2021 +0200| [7f7e601e818b4b32e56d7f1699de2f94706b1940] | committer: Andreas Rheinhardt

avfilter/af_vibrato: Fix segfault upon allocation error

Reviewed-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
(cherry picked from commit bae96fa9776cf35cdf32f285f2a980b31e63560a)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7f7e601e818b4b32e56d7f1699de2f94706b1940
---

 libavfilter/af_vibrato.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/af_vibrato.c b/libavfilter/af_vibrato.c
index 5db1f0f6c9..64d6068b39 100644
--- a/libavfilter/af_vibrato.c
+++ b/libavfilter/af_vibrato.c
@@ -157,11 +157,11 @@ static int config_input(AVFilterLink *inlink)
     int c;
     AVFilterContext *ctx = inlink->dst;
     VibratoContext *s = ctx->priv;
-    s->channels = inlink->channels;
 
     s->buf = av_calloc(inlink->channels, sizeof(*s->buf));
     if (!s->buf)
         return AVERROR(ENOMEM);
+    s->channels = inlink->channels;
     s->buf_size = lrint(inlink->sample_rate * 0.005 + 0.5);
     for (c = 0; c < s->channels; c++) {
         s->buf[c] = av_malloc_array(s->buf_size, sizeof(*s->buf[c]));



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