From 405724050266e30fcc8cbcee416cde41862e8e8f Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Fri, 7 Nov 2014 09:37:39 +1030 Subject: Revert bfd_get_size checks * archive.c (_bfd_slurp_extended_name_table): Revert bfd_get_size check. * coffcode.h (coff_set_alignment_hook): Likewise. (coff_slurp_line_table): Likewise. * coffgen.c (coff_get_normalized_symtab): Likewise. (_bfd_coff_get_external_symbols): Likewise. * elf.c (bfd_elf_get_str_section): Likewise. * tekhex.c (first_phase): Likewise. --- bfd/ChangeLog | 10 ++++++++++ bfd/archive.c | 3 --- bfd/coffcode.h | 11 ----------- bfd/coffgen.c | 19 +------------------ bfd/elf.c | 5 ----- bfd/tekhex.c | 3 --- 6 files changed, 11 insertions(+), 40 deletions(-) (limited to 'bfd') diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 97057d4..27edf4f 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,13 @@ +2014-11-07 Alan Modra + + * archive.c (_bfd_slurp_extended_name_table): Revert bfd_get_size check. + * coffcode.h (coff_set_alignment_hook): Likewise. + (coff_slurp_line_table): Likewise. + * coffgen.c (coff_get_normalized_symtab): Likewise. + (_bfd_coff_get_external_symbols): Likewise. + * elf.c (bfd_elf_get_str_section): Likewise. + * tekhex.c (first_phase): Likewise. + 2014-11-06 Nick Clifton * aoutx.h (slurp_symbol_table): Revert previous delta. diff --git a/bfd/archive.c b/bfd/archive.c index b905213..9e94745 100644 --- a/bfd/archive.c +++ b/bfd/archive.c @@ -1293,9 +1293,6 @@ _bfd_slurp_extended_name_table (bfd *abfd) amt = namedata->parsed_size; if (amt + 1 == 0) goto byebye; - /* PR binutils/17533: A corrupt archive can contain an invalid size. */ - if (amt > (bfd_size_type) bfd_get_size (abfd)) - goto byebye; bfd_ardata (abfd)->extended_names_size = amt; bfd_ardata (abfd)->extended_names = (char *) bfd_zalloc (abfd, amt + 1); diff --git a/bfd/coffcode.h b/bfd/coffcode.h index 1ca28b8..3abb6a3 100644 --- a/bfd/coffcode.h +++ b/bfd/coffcode.h @@ -1919,15 +1919,6 @@ coff_set_alignment_hook (bfd * abfd ATTRIBUTE_UNUSED, if (bfd_seek (abfd, oldpos, 0) != 0) return; section->reloc_count = hdr->s_nreloc = n.r_vaddr - 1; - /* PR binutils/17512: Stop corrupt files from causing - memory problems if they claim to have too many relocs. */ - if (section->reloc_count * relsz > (bfd_size_type) bfd_get_size (abfd)) - { - (*_bfd_error_handler) - ("%s: warning: claims to have %#x relocs, but the file is not that big", - bfd_get_filename (abfd), section->reloc_count); - section->reloc_count = 0; - } section->rel_filepos += relsz; } else if (hdr->s_nreloc == 0xffff) @@ -4528,8 +4519,6 @@ coff_slurp_line_table (bfd *abfd, asection *asect) BFD_ASSERT (asect->lineno == NULL); amt = ((bfd_size_type) asect->lineno_count + 1) * sizeof (alent); - if (amt > (bfd_size_type) bfd_get_size (abfd)) - return FALSE; lineno_cache = (alent *) bfd_zalloc (abfd, amt); if (lineno_cache == NULL) return FALSE; diff --git a/bfd/coffgen.c b/bfd/coffgen.c index 4856a40..9ad0783 100644 --- a/bfd/coffgen.c +++ b/bfd/coffgen.c @@ -1619,14 +1619,6 @@ _bfd_coff_get_external_symbols (bfd *abfd) if (size == 0) return TRUE; - /* PR binutils/17512: Do not even try to load - a symbol table bigger than the entire file... */ - if (size >= (bfd_size_type) bfd_get_size (abfd)) - { - fprintf (stderr, "XXX SIZE FAIL 1\n"); - return FALSE; - } - syms = bfd_malloc (size); if (syms == NULL) return FALSE; @@ -1759,16 +1751,7 @@ coff_get_normalized_symtab (bfd *abfd) if (obj_raw_syments (abfd) != NULL) return obj_raw_syments (abfd); - size = obj_raw_syment_count (abfd); - /* PR binutils/17512: Do not even try to load - a symbol table bigger than the entire file... - Note - we do not fail on a size of 0. Linker created - bfds can have this property and they are not corrupt. */ - if (size >= (bfd_size_type) bfd_get_size (abfd) - && bfd_get_size (abfd) > 0) - return NULL; - - size *= sizeof (combined_entry_type); + size = obj_raw_syment_count (abfd) * sizeof (combined_entry_type); internal = (combined_entry_type *) bfd_zalloc (abfd, size); if (internal == NULL && size != 0) return NULL; diff --git a/bfd/elf.c b/bfd/elf.c index 7cc0ce1..9c4dcdf 100644 --- a/bfd/elf.c +++ b/bfd/elf.c @@ -294,11 +294,6 @@ bfd_elf_get_str_section (bfd *abfd, unsigned int shindex) offset = i_shdrp[shindex]->sh_offset; shstrtabsize = i_shdrp[shindex]->sh_size; - /* PR binutils/17512: Do not even try to load - a string table bigger than the entire file... */ - if (shstrtabsize >= (bfd_size_type) bfd_get_size (abfd)) - return NULL; - /* Allocate and clear an extra byte at the end, to prevent crashes in case the string table is not terminated. */ if (shstrtabsize + 1 <= 1 diff --git a/bfd/tekhex.c b/bfd/tekhex.c index 85f5593..2220d50 100644 --- a/bfd/tekhex.c +++ b/bfd/tekhex.c @@ -403,9 +403,6 @@ first_phase (bfd *abfd, int type, char *src) if (!getvalue (&src, &val)) return FALSE; section->size = val - section->vma; - /* PR binutils/17512: Make sure that the size is sane. */ - if (section->size > (bfd_size_type) bfd_get_size (abfd)) - return FALSE; section->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC; break; case '0': -- cgit v1.1