[FFmpeg-devel] [PATCH] libavfilter/af_mcompand: Check for failure to allocate memory

Chris Miceli chris at miceli.net.au
Tue Oct 13 05:30:47 EEST 2020


This commit fixes some unchecked memory allocations from #8931.
---
 libavfilter/af_mcompand.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libavfilter/af_mcompand.c b/libavfilter/af_mcompand.c
index f142573bea..5309d884a5 100644
--- a/libavfilter/af_mcompand.c
+++ b/libavfilter/af_mcompand.c
@@ -386,8 +386,17 @@ static int config_output(AVFilterLink *outlink)
         }
 
         s->bands[i].attack_rate = av_calloc(outlink->channels, sizeof(double));
+        if (!s->bands[i].attack_rate) {
+            return AVERROR(ENOMEM);
+        }
         s->bands[i].decay_rate = av_calloc(outlink->channels, sizeof(double));
+        if (!s->bands[i].decay_rate) {
+            return AVERROR(ENOMEM);
+        }
         s->bands[i].volume = av_calloc(outlink->channels, sizeof(double));
+        if (!s->bands[i].volume) {
+            return AVERROR(ENOMEM);
+        }
         for (k = 0; k < FFMIN(nb_attacks / 2, outlink->channels); k++) {
             char *tstr3 = av_strtok(p3, ",", &saveptr3);
 
-- 
2.28.0



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