This patch pulls in some kernel code to catch a corrupt GUID partition
table with the wrong size.
Signed-off-by: Boris Ranto <branto@xxxxxxxxxx>
Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
---
kpartx/gpt.c | 9 +++++++++
1 file changed, 9 insertions(+)
Index: multipath-tools-120123/kpartx/gpt.c
===================================================================
--- multipath-tools-120123.orig/kpartx/gpt.c
+++ multipath-tools-120123/kpartx/gpt.c
@@ -367,6 +367,15 @@ is_gpt_valid(int fd, uint64_t lba,
}
+ /* Check that sizeof_partition_entry has the correct value */
+ if (__le32_to_cpu((*gpt)->sizeof_partition_entry) != sizeof(gpt_entry)) {
+ // printf("GUID partition entry size check failed.\n");
+ free(*gpt);
+ *gpt = NULL;
+ return 0;
+ }
+
+
if (!(*ptes = alloc_read_gpt_entries(fd, *gpt))) {
free(*gpt);
*gpt = NULL;
--
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