# fixes (bnc#439910)
# parted used to crash on corrupted gpt label - now warning is printed instead
diff --git a/libparted/labels/gpt.c b/libparted/labels/gpt.c
index 13d2e88..c20d729 100644
--- a/libparted/labels/gpt.c
+++ b/libparted/labels/gpt.c
@@ -824,8 +824,18 @@ gpt_read (PedDisk * disk)
 		goto error;
 
 	if (_read_header (disk->dev, &gpt, 1)) {
-		PED_ASSERT ((PedSector) PED_LE64_TO_CPU (gpt->AlternateLBA)
-				<= disk->dev->length - 1, goto error_free_gpt);
+		if ((PedSector) PED_LE64_TO_CPU (gpt->AlternateLBA)
+				> disk->dev->length - 1) {
+			if (ped_exception_throw (
+				PED_EXCEPTION_WARNING,
+				PED_EXCEPTION_IGNORE_CANCEL,
+		_("The primary GPT table states that the backup GPT table is "
+		  "located at the position that is beyond the end of the disk. "
+		  "This means that the GPT structure is corrupted."))
+				    == PED_EXCEPTION_CANCEL)
+				goto error_free_gpt;
+		}
+
 		if ((PedSector) PED_LE64_TO_CPU (gpt->AlternateLBA)
 				< disk->dev->length - 1) {
 			char* zeros = ped_malloc (pth_get_size (disk->dev));