diff options
| -rw-r--r-- | src/libudev/libudev-monitor.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/libudev/libudev-monitor.c b/src/libudev/libudev-monitor.c index 39258527e7..c48ac78908 100644 --- a/src/libudev/libudev-monitor.c +++ b/src/libudev/libudev-monitor.c @@ -643,6 +643,8 @@ retry: return NULL; } if (buf.nlh.properties_off+32 > (size_t)buflen) { + log_debug("message smaller than expected (%u > %zd)", + buf.nlh.properties_off+32, buflen); return NULL; } @@ -666,8 +668,10 @@ retry: } udev_device = udev_device_new_from_nulstr(udev_monitor->udev, &buf.raw[bufpos], buflen - bufpos); - if (!udev_device) + if (!udev_device) { + log_debug("could not create device: %m"); return NULL; + } if (is_initialized) udev_device_set_is_initialized(udev_device); @@ -712,8 +716,10 @@ int udev_monitor_send_device(struct udev_monitor *udev_monitor, uint64_t tag_bloom_bits; blen = udev_device_get_properties_monitor_buf(udev_device, &buf); - if (blen < 32) + if (blen < 32) { + log_debug("device buffer is too small to contain a valid device"); return -EINVAL; + } /* fill in versioned header */ val = udev_device_get_subsystem(udev_device); |