Merge remote-tracking branch 'upstream/master'

This commit is contained in:
David Michael 2017-01-23 13:27:34 -08:00
commit e576eb0cbc
183 changed files with 5507 additions and 2653 deletions

View file

@ -342,8 +342,11 @@ grub_dl_resolve_symbols (grub_dl_t mod, Elf_Ehdr *e)
if (s->sh_type == SHT_SYMTAB)
break;
/* Module without symbol table may still be used to pull in dependencies.
We verify at build time that such modules do not contain any relocations
that may reference symbol table. */
if (i == e->e_shnum)
return grub_error (GRUB_ERR_BAD_MODULE, N_("no symbol table"));
return GRUB_ERR_NONE;
#ifdef GRUB_MODULES_MACHINE_READONLY
mod->symtab = grub_malloc (s->sh_size);
@ -585,6 +588,9 @@ grub_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
if (seg)
{
if (!mod->symtab)
return grub_error (GRUB_ERR_BAD_MODULE, "relocation without symbol table");
err = grub_arch_dl_relocate_symbols (mod, ehdr, s, seg);
if (err)
return err;
@ -614,7 +620,7 @@ grub_dl_load_core_noinit (void *addr, grub_size_t size)
}
/* Make sure that every section is within the core. */
if (size < e->e_shoff + e->e_shentsize * e->e_shnum)
if (size < e->e_shoff + (grub_uint32_t) e->e_shentsize * e->e_shnum)
{
grub_error (GRUB_ERR_BAD_OS, "ELF sections outside core");
return 0;