A uevent that doesn't include the ACTION and DEVPATH fields is
malformed. It should be ignored, instead of used with those fields being
NULL.
Reviewed-by: Martin Wilck <mwilck@xxxxxxxx>
Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
---
libmultipath/uevent.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libmultipath/uevent.c b/libmultipath/uevent.c
index fd8ca35..5f910e6 100644
--- a/libmultipath/uevent.c
+++ b/libmultipath/uevent.c
@@ -729,6 +729,12 @@ struct uevent *uevent_from_udev_device(struct udev_device *dev)
if (i == HOTPLUG_NUM_ENVP - 1)
break;
}
+ if (!uev->devpath || ! uev->action) {
+ udev_device_unref(dev);
+ condlog(1, "uevent missing necessary fields");
+ FREE(uev);
+ return NULL;
+ }
uev->udev = dev;
uev->envp[i] = NULL;
--
2.7.4
--
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