From: Andrei Borzenkov <arvidjaar@gmail.com>
Date: Fri, 8 Jan 2016 08:05:16 +0000 (+0300)
Subject: grub-module-verifier: fix unintended sign extension
X-Git-Tag: 2.02-beta3~109
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=efc04d65c74912972b00b1ebf15312685e317a05;p=thirdparty%2Fgrub.git

grub-module-verifier: fix unintended sign extension

Found by: Coverity scan.
CID: 156533, 156532
---

diff --git a/util/grub-module-verifierXX.c b/util/grub-module-verifierXX.c
index 25988ebc2..f612d51f3 100644
--- a/util/grub-module-verifierXX.c
+++ b/util/grub-module-verifierXX.c
@@ -337,7 +337,7 @@ SUFFIX(grub_module_verify) (void *module_img, size_t size, const struct grub_mod
 
   /* Make sure that every section is within the core.  */
   if (size < grub_target_to_host (e->e_shoff)
-      + grub_target_to_host16 (e->e_shentsize) * grub_target_to_host16(e->e_shnum))
+      + (grub_uint32_t) grub_target_to_host16 (e->e_shentsize) * grub_target_to_host16(e->e_shnum))
     {
       grub_util_error ("ELF sections outside core");
     }