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Fix address violation issues encountered when parsing corrupt binaries.

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PR 21840
	* mach-o.c (bfd_mach_o_read_symtab_strtab): Fail if the symtab
	size is -1.
	* nlmcode.h (nlm_swap_auxiliary_headers_in): Replace assertion
	with error return.
	* section.c (bfd_make_section_with_flags): Fail if the name or bfd
	are NULL.
	* vms-alpha.c (bfd_make_section_with_flags): Correct computation
	of end pointer.
	(evax_bfd_print_emh): Check for invalid string lengths.
This commit is contained in:
Nick Clifton
2017-07-27 12:04:50 +01:00
parent 63d4980d60
commit 8bdf0be19d
6 changed files with 82 additions and 39 deletions
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2
bfd/section.c
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@@ -1240,7 +1240,7 @@ bfd_make_section_with_flags (bfd *abfd, const char *name,
struct section_hash_entry *sh;
asection *newsect;
if (abfd->output_has_begun)
if (abfd == NULL || name == NULL || abfd->output_has_begun)
{
bfd_set_error (bfd_error_invalid_operation);
return NULL;