Re: vms buffer overflows and large memory allocation
[deliverable/binutils-gdb.git] / bfd / ChangeLog
index 85747ad64f99d1f1391bd9df6f29be41c44f1bc4..eeb042c32f39b08e0b0f6a4905e96e7364b0b412 100644 (file)
@@ -1,3 +1,136 @@
+2020-02-24  Alan Modra  <amodra@gmail.com>
+
+       * vms-lib.c (_bfd_vms_lib_archive_p): Correct overflow checks.
+
+2020-02-24  Alan Modra  <amodra@gmail.com>
+
+       * vms-lib.c (struct carsym_mem): Add limit.
+       (vms_add_index): Heed limit.
+       (vms_traverse_index): Catch buffer overflows.  Remove outdated fixme.
+       (vms_lib_read_index): Set up limit.  Catch 32-bit overflow.
+       Always return actual number read.
+       (_bfd_vms_lib_archive_p): Catch buffer overflows.  Replace
+       assertion with error exit.
+
+2020-02-22  Alan Modra  <amodra@gmail.com>
+
+       PR 25585
+       * elf.c (assign_file_positions_for_load_sections): Continue linking
+       on "PHDR segment not covered by LOAD segment" errors.
+
+2020-02-21  Alan Modra  <amodra@gmail.com>
+
+       * mach-o.c (bfd_mach_o_canonicalize_relocs): Fix ineffective
+       overflow check.
+       (bfd_mach_o_canonicalize_reloc): Likewise.
+       (bfd_mach_o_canonicalize_dynamic_reloc): Likewise.  Sanity check
+       counts and offsets against file size.
+       (bfd_mach_o_build_dysymtab): Fix ineffective overflow check.
+       (bfd_mach_o_mangle_sections): Remove unnecessary overflow check.
+       (bfd_mach_o_read_symtab_symbols): Sanity check count and offset
+       against file size.  Delete symbol table error message.
+       (bfd_mach_o_read_dysymtab): Sanity check counts and offsets
+       against file size.
+       (bfd_mach_o_read_symtab): Likewise.
+       (bfd_mach_o_read_command): Pass file size.
+       (bfd_mach_o_scan): Sanity check command count against file size.
+
+2020-02-21  Alan Modra  <amodra@gmail.com>
+
+       PR 25569
+       * aoutx.h (adjust_o_magic, adjust_z_magic, adjust_n_magic): Use
+       "text", "data" and "bss" section pointer vars.  Don't update
+       section size, just exec header sizes.
+       (adjust_sizes_and_vmas): Don't update text section size.  Set
+       initial exec header a_text.  Print exec headers sizes.
+       * pdp11.c (adjust_o_magic, adjust_z_magic, adjust_n_magic),
+       (adjust_sizes_and_vmas): Similarly.  Formatting.
+       (final_link): Correct final file extension.
+
+2020-02-20  Nick Clifton  <nickc@redhat.com>
+
+       * elf-bfd.h (struct elf_backend_data): Add symbol_section_index
+       callback.
+       * elfxx-target.h (elf_backend_symbol_section_index): Provide
+       default definition.
+       (elfNN_bed): Initialise the symbol_section_index field.
+       * elf.c (swap_out_syms): Call symbol_section_index, if defined, on
+       OS and PROC specific section indicies.  Warn if converting other
+       reserved incidies to SHN_ABS.
+
+2020-02-19  Sergey Belyashov  <sergey.belyashov@gmail.com>
+
+       PR 25537
+       * cpu-z80.c: Add machine type compatibility checking.
+
+2020-02-19  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR binutils/25355
+       * plugin.c (plugin_list_entry): Remove handle.
+       (try_load_plugin): Call dlclose before return.
+
+2020-02-19  Alan Modra  <amodra@gmail.com>
+
+       * libbfd-in.h (_bfd_constant_p): Define.
+       (_bfd_alloc_and_read, _bfd_malloc_and_read): Check read size against
+       file size before allocating memory.
+       * coffgen.c (_bfd_coff_get_external_symbols): Remove file size check.
+       * elf.c (bfd_elf_get_str_section): Likewise.
+       (_bfd_elf_slurp_version_tables): Likewise.
+       * libbfd.h: Regenerate.
+
+2020-02-19  Alan Modra  <amodra@gmail.com>
+
+       * libbfd-in.h (_bfd_alloc_and_read, _bfd_malloc_and_read): New.
+       * aoutx.h (aout_get_external_symbols): Replace calls to
+       bfd_[m]alloc and bfd_bread with call to _bfd_[m]alloc_and_read.
+       (slurp_reloc_table): Likewise.
+       * archive.c (do_slurp_bsd_armap): Likewise.
+       (do_slurp_coff_armap): Likewise.
+       * archive64.c (_bfd_archive_64_bit_slurp_armap): Likewise.
+       * coff-rs6000.c (_bfd_xcoff_slurp_armap): Likewise.
+       * coff64-rs6000.c (xcoff64_slurp_armap): Likewise.
+       * coffcode.h (coff_set_arch_mach_hook, buy_and_read): Likewise.
+       * coffgen.c (coff_real_object_p, coff_object_p, build_debug_section),
+       (_bfd_coff_get_external_symbols): Likewise.
+       * ecoff.c (ecoff_slurp_symbolic_header),
+       (_bfd_ecoff_slurp_symbolic_info, ecoff_slurp_reloc_table),
+       (_bfd_ecoff_slurp_armap, ecoff_link_add_object_symbols, READ),
+       (ecoff_indirect_link_order): Likewise.
+       * elf.c (bfd_elf_get_str_section, setup_group, elf_read_notes),
+       (_bfd_elf_slurp_version_tables): Likewise.
+       * elf32-m32c.c (m32c_elf_relax_section): Likewise.
+       * elf32-rl78.c (rl78_elf_relax_section): Likewise.
+       * elf32-rx.c (elf32_rx_relax_section): Likewise.
+       * elf64-alpha.c (READ): Likewise.
+       * elf64-mips.c (mips_elf64_slurp_one_reloc_table): Likewise.
+       * elf64-sparc.c (elf64_sparc_slurp_one_reloc_table): Likewise.
+       * elfcode.h (elf_slurp_symbol_table),
+       (elf_slurp_reloc_table_from_section): Likewise.
+       * elflink.c (elf_link_add_object_symbols),
+       (elf_link_check_versioned_symbol): Likewise.
+       * elfxx-mips.c (READ): Likewise.
+       * i386lynx.c (slurp_reloc_table): Likewise.
+       * lynx-core.c (lynx_core_file_p): Likewise.
+       * mach-o.c (bfd_mach_o_canonicalize_relocs),
+       (bfd_mach_o_read_symtab_strtab, bfd_mach_o_alloc_and_read),
+       (bfd_mach_o_read_prebound_dylib, bfd_mach_o_read_dyld_content
+       * pdp11.c (aout_get_external_symbols, slurp_reloc_table
+       * pef.c (bfd_pef_print_loader_section, bfd_pef_scan_start_address),
+       (bfd_pef_parse_symbols): Likewise.
+       * peicode.h (pe_ILF_object_p, pe_bfd_object_p
+       * som.c (setup_sections, som_slurp_string_table),
+       (som_slurp_reloc_table, som_bfd_count_ar_symbols),
+       (som_bfd_fill_in_ar_symbols): Likewise.
+       * vms-alpha.c (module_find_nearest_line, evax_bfd_print_dst),
+       (evax_bfd_print_image): Likewise.
+       * vms-lib.c (_bfd_vms_lib_archive_p): Likewise.
+       * wasm-module.c (wasm_scan): Likewise.
+       * xcofflink.c (xcoff_link_add_symbols): Likewise.
+       * xsym.c (bfd_sym_read_name_table),
+       (bfd_sym_print_type_information_table_entry): Likewise.
+       * libbfd.h: Regenerate.
+
 2020-02-19  Alan Modra  <amodra@gmail.com>
 
        * aoutx.h (slurp_reloc_table): Allocate reloc_cache after
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