diff options
Diffstat (limited to 'bfd/elf.c')
| -rw-r--r-- | bfd/elf.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/bfd/elf.c b/bfd/elf.c index f8cc4011565..49802a85a08 100644 --- a/bfd/elf.c +++ b/bfd/elf.c @@ -443,8 +443,11 @@ group_signature (bfd *abfd, Elf_Internal_Shdr *ghdr) Elf_External_Sym_Shndx eshndx; Elf_Internal_Sym isym; - /* First we need to ensure the symbol table is available. */ - if (! bfd_section_from_shdr (abfd, ghdr->sh_link)) + /* First we need to ensure the symbol table is available. Make sure + that it is a symbol table section. */ + hdr = elf_elfsections (abfd) [ghdr->sh_link]; + if (hdr->sh_type != SHT_SYMTAB + || ! bfd_section_from_shdr (abfd, ghdr->sh_link)) return NULL; /* Go read the symbol. */ @@ -1733,6 +1736,9 @@ bfd_section_from_shdr (bfd *abfd, unsigned int shindex) case SHT_DYNAMIC: /* Dynamic linking information. */ if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name)) return FALSE; + if (hdr->sh_link > elf_numsections (abfd) + || elf_elfsections (abfd)[hdr->sh_link] == NULL) + return FALSE; if (elf_elfsections (abfd)[hdr->sh_link]->sh_type != SHT_STRTAB) { Elf_Internal_Shdr *dynsymhdr; |