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loader: Unintended sign extension

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CID: 96707, 96699, 96693, 96691, 96711, 96709, 96708, 96703, 96702,
96700, 96698, 96696, 96695, 96692, 96710, 96705
This commit is contained in:
Andrei Borzenkov 2016-01-13 20:15:07 +03:00
parent b95e926788
commit 4f8fe948b9
3 changed files with 15 additions and 15 deletions
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4
grub-core/loader/multiboot_elfxx.c
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@ -164,7 +164,7 @@ CONCAT(grub_multiboot_load_elf, XX) (grub_file_t file, const char *filename, voi
{
grub_uint8_t *shdr, *shdrptr;
shdr = grub_malloc (ehdr->e_shnum * ehdr->e_shentsize);
shdr = grub_malloc ((grub_uint32_t) ehdr->e_shnum * ehdr->e_shentsize);
if (!shdr)
return grub_errno;
@ -174,7 +174,7 @@ CONCAT(grub_multiboot_load_elf, XX) (grub_file_t file, const char *filename, voi
return grub_errno;
}
if (grub_file_read (file, shdr, ehdr->e_shnum * ehdr->e_shentsize)
if (grub_file_read (file, shdr, (grub_uint32_t) ehdr->e_shnum * ehdr->e_shentsize)
!= (grub_ssize_t) ehdr->e_shnum * ehdr->e_shentsize)
{
if (!grub_errno)