3 files changed, 7 insertions, 7 deletions
diff --git a/video/out/gpu/video.c b/video/out/gpu/video.c
index dbe138c009..0994548034 100644
--- a/video/out/gpu/video.c
+++ b/video/out/gpu/video.c
@@ -3580,7 +3580,9 @@ static void frame_perf_data(struct pass_info pass[], struct mp_frame_perf *out)
         if (!pass[i].desc.len)
             break;
         out->perf[out->count] = pass[i].perf;
-        out->desc[out->count] = pass[i].desc.start;
+        strncpy(out->desc[out->count], pass[i].desc.start,
+                sizeof(out->desc[out->count]) - 1);
+        out->desc[out->count][sizeof(out->desc[out->count]) - 1] = '\0';
         out->count++;
     }
 }
diff --git a/video/out/vo.h b/video/out/vo.h
index 55c55df15e..085658f3dc 100644
--- a/video/out/vo.h
+++ b/video/out/vo.h
@@ -164,14 +164,12 @@ struct mp_pass_perf {
 };
 
 #define VO_PASS_PERF_MAX 64
+#define VO_PASS_DESC_MAX_LEN 128
 
 struct mp_frame_perf {
     int count;
     struct mp_pass_perf perf[VO_PASS_PERF_MAX];
-    // The owner of this struct does not have ownership over the names, and
-    // they may change at any time - so this struct should not be stored
-    // anywhere or the results reused
-    char *desc[VO_PASS_PERF_MAX];
+    char desc[VO_PASS_PERF_MAX][VO_PASS_DESC_MAX_LEN];
 };
 
 struct voctrl_performance_data {
diff --git a/video/out/vo_gpu_next.c b/video/out/vo_gpu_next.c
index 9158479a7c..e37b8cb36e 100644
--- a/video/out/vo_gpu_next.c
+++ b/video/out/vo_gpu_next.c
@@ -769,8 +769,8 @@ static void info_callback(void *priv, const struct pl_render_info *info)
     perf->peak = pass->peak;
     perf->avg = pass->average;
 
-    talloc_free(frame->desc[index]);
-    frame->desc[index] = talloc_strdup(p, pass->shader->description);
+    strncpy(frame->desc[index], pass->shader->description, sizeof(frame->desc[index]) - 1);
+    frame->desc[index][sizeof(frame->desc[index]) - 1] = '\0';
     frame->count = index + 1;
 
     pthread_mutex_unlock(&p->perf_lock);