Fix memory access problems exposed by fuzzed binaries.

PR binutils/17512
	* objdump.c (free_debug_section): Reset the compress_status as
	well.

	* compress.c (bfd_get_full_section_contents): Fail if there are no
	section contents available when the compress_status is
	COMPRESS_SECTION_DONE.
	* libbfd.c (bfd_malloc): Refuse to allocate a negative size.
	(bfd_malloc2): Use bfd_malloc.
	(bfd_realloc): Refuse to reallocate a negative size.
	(bfd_realloc2): Use bfd_realloc.
	(bfd_realloc_or_free): Use bfd_realloc.
	(bfd_zmalloc): Use bfd_malloc.
	(bfd_zmalloc): Use bfd_malloc2.
	* opncls.c (bfd_alloc): Refuse to allocate a negative size.

binutils/objdump.c

@@ -2360,6 +2360,7 @@ free_debug_section (enum dwarf_section_display_enum debug)
 	{
 	  sec->contents = NULL;
 	  sec->flags &= ~ SEC_IN_MEMORY;
+	  sec->compress_status = COMPRESS_SECTION_NONE;
 	}
     }