binutils/SOURCES/binutils-CVE-2018-10535.patch

29 lines
902 B
Diff

--- binutils.orig/bfd/elf.c 2018-05-10 10:09:03.622147305 +0100
+++ binutils-2.30/bfd/elf.c 2018-05-10 10:29:09.895577234 +0100
@@ -4021,16 +4021,23 @@ ignore_section_sym (bfd *abfd, asymbol *
{
elf_symbol_type *type_ptr;
+ if (sym == NULL)
+ return FALSE;
+
if ((sym->flags & BSF_SECTION_SYM) == 0)
return FALSE;
+ if (sym->section == NULL)
+ return TRUE;
+
type_ptr = elf_symbol_from (abfd, sym);
return ((type_ptr != NULL
&& type_ptr->internal_elf_sym.st_shndx != 0
&& bfd_is_abs_section (sym->section))
|| !(sym->section->owner == abfd
- || (sym->section->output_section->owner == abfd
- && sym->section->output_offset == 0)
+ || (sym->section->output_section != NULL
+ && sym->section->output_section->owner == abfd
+ && sym->section->output_offset == 0)
|| bfd_is_abs_section (sym->section)));
}