1 files changed, 12 insertions, 0 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 749a522fe057..a609fc7d959f 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -3450,6 +3450,18 @@ static int process_hybrid_topology(struct feat_fd *ff,
 	if (do_read_u32(ff, &nr))
 		return -1;
 
+	if (nr > MAX_PMU_MAPPINGS) {
+		pr_err("Invalid HEADER_HYBRID_TOPOLOGY: nr_nodes (%u) > %u\n",
+		       nr, MAX_PMU_MAPPINGS);
+		return -1;
+	}
+
+	if (ff->size < sizeof(u32) + nr * 2 * sizeof(u32)) {
+		pr_err("Invalid HEADER_HYBRID_TOPOLOGY: section too small (%zu) for %u nodes\n",
+		       ff->size, nr);
+		return -1;
+	}
+
 	nodes = calloc(nr, sizeof(*nodes));
 	if (!nodes)
 		return -ENOMEM;