postgres
diff --git a/‎src/backend/postmaster/launch_backend.c
Copy file name to clipboardExpand all lines: src/backend/postmaster/launch_backend.c
+2-1Lines changed: 2 additions & 1 deletion b/‎src/backend/postmaster/launch_backend.c
Copy file name to clipboardExpand all lines: src/backend/postmaster/launch_backend.c
+2-1Lines changed: 2 additions & 1 deletion
@@ -762,7 +762,8 @@ save_backend_variables(BackendParameters *param, ClientSocket *client_sock,
 	strlcpy(param->pkglib_path, pkglib_path, MAXPGPATH);
 
 	param->startup_data_len = startup_data_len;
-	memcpy(param->startup_data, startup_data, startup_data_len);
+	if (startup_data_len > 0)
+		memcpy(param->startup_data, startup_data, startup_data_len);
 
 	return true;
 }
Original file line number	Diff line number	Diff line change
`@@ -762,7 +762,8 @@ save_backend_variables(BackendParameters param, ClientSocket client_sock,`
`762`	`762`	`strlcpy(param->pkglib_path, pkglib_path, MAXPGPATH);`
`763`	`763`
`764`	`764`	`param->startup_data_len = startup_data_len;`
`765`		`- memcpy(param->startup_data, startup_data, startup_data_len);`
	`765`	`+ if (startup_data_len > 0)`
	`766`	`+ memcpy(param->startup_data, startup_data, startup_data_len);`
`766`	`767`
`767`	`768`	`return true;`
`768`	`769`	`}`