shared: ignore invalid valink socket fd when deserializing

2023-05-03 10:09:53 +02:00
parent 45b1017488
commit 1febf60f9d
2 changed files with 8 additions and 1 deletions
@@ -3063,7 +3063,9 @@ int varlink_server_deserialize_one(VarlinkServer *s, const char *value, FDSet *f
        r = safe_atoi(buf, &fd);
        if (r < 0)
                return log_debug_errno(r, "Unable to parse VarlinkServerSocket varlink-server-socket-fd=%s: %m", buf);
-
+        if (fd < 0)
+                return log_debug_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "VarlinkServerSocket varlink-server-socket-fd= has an invalid value: %d", fd);
        if (!fdset_contains(fds, fd))
                return log_debug_errno(SYNTHETIC_ERRNO(EBADF),
                                       "VarlinkServerSocket varlink-server-socket-fd= has unknown fd %d: %m", fd);