diff --git a/libavfilter/af_amix.c b/libavfilter/af_amix.c
index 1eef70d8c4..34f23b0e4c 100644
--- a/libavfilter/af_amix.c
+++ b/libavfilter/af_amix.c
@@ -496,6 +496,8 @@ static av_cold int init(AVFilterContext *ctx)
         snprintf(name, sizeof(name), "input%d", i);
         pad.type           = AVMEDIA_TYPE_AUDIO;
         pad.name           = av_strdup(name);
+        if (!pad.name)
+            return AVERROR(ENOMEM);
         pad.filter_frame   = filter_frame;
 
         ff_insert_inpad(ctx, i, &pad);
diff --git a/libavfilter/af_join.c b/libavfilter/af_join.c
index 3e9ccc8d74..7d99a4c8d1 100644
--- a/libavfilter/af_join.c
+++ b/libavfilter/af_join.c
@@ -214,6 +214,8 @@ static av_cold int join_init(AVFilterContext *ctx)
         snprintf(name, sizeof(name), "input%d", i);
         pad.type           = AVMEDIA_TYPE_AUDIO;
         pad.name           = av_strdup(name);
+        if (!pad.name)
+            return AVERROR(ENOMEM);
         pad.filter_frame   = filter_frame;
 
         pad.needs_fifo = 1;
diff --git a/libavfilter/split.c b/libavfilter/split.c
index 6abd5ee2e0..7353810677 100644
--- a/libavfilter/split.c
+++ b/libavfilter/split.c
@@ -52,6 +52,8 @@ static av_cold int split_init(AVFilterContext *ctx)
         snprintf(name, sizeof(name), "output%d", i);
         pad.type = ctx->filter->inputs[0].type;
         pad.name = av_strdup(name);
+        if (!pad.name)
+            return AVERROR(ENOMEM);
 
         ff_insert_outpad(ctx, i, &pad);
     }
diff --git a/libavfilter/src_movie.c b/libavfilter/src_movie.c
index bcc8e05495..b7b1ec7256 100644
--- a/libavfilter/src_movie.c
+++ b/libavfilter/src_movie.c
@@ -292,6 +292,8 @@ static av_cold int movie_common_init(AVFilterContext *ctx)
         snprintf(name, sizeof(name), "out%d", i);
         pad.type          = movie->st[i].st->codec->codec_type;
         pad.name          = av_strdup(name);
+        if (!pad.name)
+            return AVERROR(ENOMEM);
         pad.config_props  = movie_config_output_props;
         pad.request_frame = movie_request_frame;
         ff_insert_outpad(ctx, i, &pad);