if (action == SD_DEVICE_MOVE)
device_remove_old_on_move(m, dev);
+ /* When udevd failed to process the device, SYSTEMD_ALIAS or any other properties may contain invalid
+ * values. Let's refuse to handle the uevent. */
+ if (sd_device_get_property_value(dev, "UDEV_WORKER_FAILED", NULL) >= 0) {
+ int v;
+
+ if (device_get_property_int(dev, "UDEV_WORKER_ERRNO", &v) >= 0)
+ log_device_warning_errno(dev, v, "systemd-udevd failed to process the device, ignoring: %m");
+ else if (device_get_property_int(dev, "UDEV_WORKER_EXIT_STATUS", &v) >= 0)
+ log_device_warning(dev, "systemd-udevd failed to process the device with exit status %i, ignoring.", v);
+ else if (device_get_property_int(dev, "UDEV_WORKER_SIGNAL", &v) >= 0) {
+ const char *s;
+ (void) sd_device_get_property_value(dev, "UDEV_WORKER_SIGNAL_NAME", &s);
+ log_device_warning(dev, "systemd-udevd failed to process the device with signal %i(%s), ignoring.", v, strna(s));
+ } else
+ log_device_warning(dev, "systemd-udevd failed to process the device with unknown result, ignoring.");
+
+ return 0;
+ }
+
/* A change event can signal that a device is becoming ready, in particular if the device is using
* the SYSTEMD_READY logic in udev so we need to reach the else block of the following if, even for
* change events */