diff --git a/tools/lib/bpf/xsk.c b/tools/lib/bpf/xsk.c
index 9bc537d0b92d..f6e8831673f9 100644
--- a/tools/lib/bpf/xsk.c
+++ b/tools/lib/bpf/xsk.c
@@ -535,15 +535,16 @@ static int xsk_lookup_bpf_maps(struct xsk_socket *xsk)
 		if (fd < 0)
 			continue;
 
+		memset(&map_info, 0, map_len);
 		err = bpf_obj_get_info_by_fd(fd, &map_info, &map_len);
 		if (err) {
 			close(fd);
 			continue;
 		}
 
-		if (!strcmp(map_info.name, "xsks_map")) {
+		if (!strncmp(map_info.name, "xsks_map", sizeof(map_info.name))) {
 			ctx->xsks_map_fd = fd;
-			continue;
+			break;
 		}
 
 		close(fd);