Fix range check bugs
This is a patch hunting for fuzzing failures and adding
appropriate range checks.
Change-Id: Ieae02b7e461b9a6c5e25de6c663a768f7a0d5e10
Signed-off-by: Ed Tanous <etanous@nvidia.com>
diff --git a/sections/cper-section-firmware.c b/sections/cper-section-firmware.c
index ebdc11f..78f04d0 100644
--- a/sections/cper-section-firmware.c
+++ b/sections/cper-section-firmware.c
@@ -11,8 +11,12 @@
#include <libcper/sections/cper-section-firmware.h>
//Converts a single firmware CPER section into JSON IR.
-json_object *cper_section_firmware_to_ir(const void *section)
+json_object *cper_section_firmware_to_ir(const UINT8 *section, UINT32 size)
{
+ if (size < sizeof(EFI_FIRMWARE_ERROR_DATA)) {
+ return NULL;
+ }
+
EFI_FIRMWARE_ERROR_DATA *firmware_error =
(EFI_FIRMWARE_ERROR_DATA *)section;
json_object *section_ir = json_object_new_object();