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-rw-r--r--disk/part_efi.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/disk/part_efi.c b/disk/part_efi.c
index 02927a0..2962fd8 100644
--- a/disk/part_efi.c
+++ b/disk/part_efi.c
@@ -173,6 +173,13 @@ int get_partition_info_efi(block_dev_desc_t * dev_desc, int part,
return -1;
}
+ if (part > le32_to_int(gpt_head->num_partition_entries) ||
+ !is_pte_valid(&gpt_pte[part - 1])) {
+ printf("%s: *** ERROR: Invalid partition number %d ***\n",
+ __func__, part);
+ return -1;
+ }
+
/* The ulong casting limits the maximum disk size to 2 TB */
info->start = (ulong) le64_to_int(gpt_pte[part - 1].starting_lba);
/* The ending LBA is inclusive, to calculate size, add 1 to it */