if (xlat)
{
len = strlen (xlat->bfd_name);
- res = bfd_alloc (abfd, len+1);
+ res = bfd_alloc (abfd, len + 1);
if (res == NULL)
return;
memcpy (res, xlat->bfd_name, len+1);
if (reloc.r_extern)
{
/* PR 17512: file: 8396-1185-0.004. */
- if (bfd_get_symcount (abfd) > 0 && num > bfd_get_symcount (abfd))
+ if (num >= (unsigned) bfd_mach_o_count_symbols (abfd))
sym = bfd_und_section_ptr->symbol_ptr_ptr;
else if (syms == NULL)
sym = bfd_und_section_ptr->symbol_ptr_ptr;
/* Allocate and read relocs. */
native_size = count * BFD_MACH_O_RELENT_SIZE;
+ /* PR 17512: file: 09477b57. */
+ if (native_size < count)
+ return -1;
+
native_relocs =
(struct mach_o_reloc_info_external *) bfd_malloc (native_size);
if (native_relocs == NULL)
if (asect->relocation == NULL)
{
+ if (asect->reloc_count * sizeof (arelent) < asect->reloc_count)
+ return -1;
res = bfd_malloc (asect->reloc_count * sizeof (arelent));
if (res == NULL)
return -1;
if (mdata->dyn_reloc_cache == NULL)
{
+ if ((dysymtab->nextrel + dysymtab->nlocrel) * sizeof (arelent)
+ < (dysymtab->nextrel + dysymtab->nlocrel))
+ return -1;
+
res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel)
* sizeof (arelent));
if (res == NULL)
mdata->filelen += sym->strsize;
if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0)
- return FALSE;
+ goto err;
if (_bfd_stringtab_emit (abfd, strtab) != TRUE)
goto err;
- _bfd_stringtab_free (strtab);
/* Pad string table. */
padlen = bfd_mach_o_pad4 (abfd, sym->strsize);
err:
_bfd_stringtab_free (strtab);
+ sym->strsize = 0;
return FALSE;
}
cmd->indirectsymoff = mdata->filelen;
mdata->filelen += cmd->nindirectsyms * 4;
+ if (cmd->nindirectsyms * 4 < cmd->nindirectsyms)
+ return FALSE;
cmd->indirect_syms = bfd_zalloc (abfd, cmd->nindirectsyms * 4);
if (cmd->indirect_syms == NULL)
return FALSE;
}
mdata->nsects = nsect;
- mdata->sections = bfd_alloc (abfd,
- mdata->nsects * sizeof (bfd_mach_o_section *));
+ mdata->sections = bfd_alloc2 (abfd,
+ mdata->nsects, sizeof (bfd_mach_o_section *));
if (mdata->sections == NULL)
return FALSE;
section->size = bfd_h_get_32 (abfd, raw.size);
section->offset = bfd_h_get_32 (abfd, raw.offset);
section->align = bfd_h_get_32 (abfd, raw.align);
+ /* PR 17512: file: 0017eb76. */
+ if (section->align > 64)
+ {
+ (*_bfd_error_handler) (_("bfd_mach_o_read_section_32: overlarge alignment value: 0x%x, using 32 instead"),
+ section->align);
+ section->align = 32;
+ }
section->reloff = bfd_h_get_32 (abfd, raw.reloff);
section->nreloc = bfd_h_get_32 (abfd, raw.nreloc);
section->flags = bfd_h_get_32 (abfd, raw.flags);
section->size = bfd_h_get_64 (abfd, raw.size);
section->offset = bfd_h_get_32 (abfd, raw.offset);
section->align = bfd_h_get_32 (abfd, raw.align);
+ if (section->align > 64)
+ {
+ (*_bfd_error_handler) (_("bfd_mach_o_read_section_64: overlarge alignment value: 0x%x, using 32 instead"),
+ section->align);
+ section->align = 32;
+ }
section->reloff = bfd_h_get_32 (abfd, raw.reloff);
section->nreloc = bfd_h_get_32 (abfd, raw.nreloc);
section->flags = bfd_h_get_32 (abfd, raw.flags);
/* Return now if there are no symbols or if already loaded. */
return TRUE;
- sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol));
-
+ sym->symbols = bfd_alloc2 (abfd, sym->nsyms, sizeof (bfd_mach_o_asymbol));
if (sym->symbols == NULL)
{
(*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols"));
+ sym->nsyms = 0;
return FALSE;
}
if (!bfd_mach_o_read_symtab_strtab (abfd))
- {
- bfd_release (abfd, sym->symbols);
- sym->symbols = NULL;
- return FALSE;
- }
+ goto fail;
for (i = 0; i < sym->nsyms; i++)
- {
- if (!bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i))
- {
- bfd_release (abfd, sym->symbols);
- sym->symbols = NULL;
- return FALSE;
- }
- }
+ if (!bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i))
+ goto fail;
return TRUE;
+
+ fail:
+ bfd_release (abfd, sym->symbols);
+ sym->symbols = NULL;
+ sym->nsyms = 0;
+ return FALSE;
}
static const char *
}
/* Allocate threads. */
- cmd->flavours = bfd_alloc
- (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour));
+ cmd->flavours = bfd_alloc2
+ (abfd, nflavours, sizeof (bfd_mach_o_thread_flavour));
if (cmd->flavours == NULL)
return FALSE;
cmd->nflavours = nflavours;
unsigned int module_len = wide ? 56 : 52;
cmd->dylib_module =
- bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module));
+ bfd_alloc2 (abfd, cmd->nmodtab, sizeof (bfd_mach_o_dylib_module));
if (cmd->dylib_module == NULL)
return FALSE;
if (cmd->ntoc != 0)
{
- unsigned int i;
+ unsigned long i;
- cmd->dylib_toc = bfd_alloc
- (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content));
+ cmd->dylib_toc = bfd_alloc2
+ (abfd, cmd->ntoc, sizeof (bfd_mach_o_dylib_table_of_content));
if (cmd->dylib_toc == NULL)
return FALSE;
{
unsigned int i;
- cmd->indirect_syms = bfd_alloc
- (abfd, cmd->nindirectsyms * sizeof (unsigned int));
+ cmd->indirect_syms = bfd_alloc2
+ (abfd, cmd->nindirectsyms, sizeof (unsigned int));
if (cmd->indirect_syms == NULL)
return FALSE;
unsigned long v;
unsigned int i;
- cmd->ext_refs = bfd_alloc
- (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference));
+ cmd->ext_refs = bfd_alloc2
+ (abfd, cmd->nextrefsyms, sizeof (bfd_mach_o_dylib_reference));
if (cmd->ext_refs == NULL)
return FALSE;
}
/* Allocate sections array. */
- mdata->sections = bfd_alloc (abfd,
- mdata->nsects * sizeof (bfd_mach_o_section *));
+ mdata->sections = bfd_alloc2 (abfd,
+ mdata->nsects, sizeof (bfd_mach_o_section *));
/* Fill the array. */
csect = 0;
mdata->first_command = NULL;
mdata->last_command = NULL;
- cmd = bfd_alloc (abfd, header->ncmds * sizeof (bfd_mach_o_load_command));
+
+ cmd = bfd_alloc2 (abfd, header->ncmds, sizeof (bfd_mach_o_load_command));
if (cmd == NULL)
return FALSE;
goto error;
adata->archentries =
- bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry));
+ bfd_alloc2 (abfd, adata->nfat_arch, sizeof (mach_o_fat_archentry));
if (adata->archentries == NULL)
goto error;
}
abfd->tdata.mach_o_fat_data = adata;
+
return abfd->xvec;
error: