gdb and binutils branch master updated. a11652892c18324bf3abb8b25c01475e5a18632a

[nickc at sourceware dot org]

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a11652892c18324bf3abb8b25c01475e5a18632a

commit a11652892c18324bf3abb8b25c01475e5a18632a
Author: Nick Clifton <nickc@redhat.com>
Date:   Wed Nov 26 14:11:23 2014 +0000

    More fixes for memory access errors triggered by attemps to examine corrupted binaries.
    
    	PR binutils/17512
    	* dwarf.c (display_block): Do nothing if the block starts after
    	the end of the buffer.
    	(read_and_display_attr_value): Add range checks.
    	(struct Frame_Chunk): Make the ncols and ra fields unsigned.
    	(frame_need_space): Test for an ncols of zero.
    	(read_cie): Fail if the augmentation data extends off the end of
    	the buffer.
    	(display_debug_frames): Add checks for read_cie failing.  Add
    	range checks.
    	* coff-h8300.c (rtype2howto): Replace abort with returning a NULL
    	value.
    	* coff-h8500.c (rtype2howto): Likewise.
    	* coff-tic30.c (rtype2howto): Likewise.
    	* coff-z80.c (rtype2howto): Likewise.
    	* coff-z8k.c (rtype2howto): Likewise.
    	* coff-ia64.c (RTYPE2HOWTO): Always return a valid howto.
    	* coff-m68k.c (m68k_rtype2howto): Return a NULL howto if none
    	could be found.
    	* coff-mcore.c (RTYPE2HOWTO): Add range checking.
    	* coff-w65.c (rtype2howto): Likewise.
    	* coff-we32k.c (RTYPE2HOWTO): Likewise.
    	* pe-mips.c (RTYPE2HOWTO): Likewise.
    	* coff-x86_64.c (coff_amd64_reloc): Likewise.  Replace abort with
    	an error return.
    	* coffcode.h (coff_slurp_reloc_table): Allow the rel parameter to
    	be unused.
    	* coffgen.c (make_a_section_from_file): Check the length of a
    	section name before testing to see if it is a debug section name.
    	(coff_object_p): Zero out any uninitialised bytes in the opt
    	header.
    	* ecoff.c (_bfd_ecoff_slurp_symbolic_info): Test for the raw
    	source being empty when there are values to be processed.
    	(_bfd_ecoff_slurp_symbol_table): Add range check.
    	* mach-o.c (bfd_mach_o_canonicalize_one_reloc): Likewise.
    	(bfd_mach_o_mangle_sections): Move test for too many sections to
    	before the allocation of the section table.
    	(bfd_mach_o_read_symtab_strtab): If the read fails, free the
    	memory and nullify the symbol pointer.
    	* reloc.c (bfd_generic_get_relocated_section_contents): Add
    	handling of a bfd_reloc_notsupported return value.
    	* versados.c (EDATA): Add range checking.
    	(get_record): Likewise.
    	(process_otr): Check for contents being available before updating
    	them.
    	(versados_canonicalize_reloc): Add range check.

-----------------------------------------------------------------------

Summary of changes:
 bfd/ChangeLog      |   40 +++++++++++++++++++++++
 bfd/coff-h8300.c   |    2 +-
 bfd/coff-h8500.c   |    2 +-
 bfd/coff-ia64.c    |    2 +-
 bfd/coff-m68k.c    |    1 +
 bfd/coff-mcore.c   |   16 +++++----
 bfd/coff-tic30.c   |    2 +-
 bfd/coff-w65.c     |   29 ++++++++++-------
 bfd/coff-we32k.c   |    9 ++++-
 bfd/coff-x86_64.c  |   13 +++++++-
 bfd/coff-z80.c     |    2 +-
 bfd/coff-z8k.c     |    2 +-
 bfd/coffcode.h     |    2 +-
 bfd/coffgen.c      |    7 +++-
 bfd/ecoff.c        |    8 ++++
 bfd/mach-o.c       |   26 +++++++++++----
 bfd/pe-mips.c      |    7 +++-
 bfd/reloc.c        |    9 +++++
 bfd/versados.c     |   45 ++++++++++++++++---------
 binutils/ChangeLog |   13 +++++++
 binutils/dwarf.c   |   91 ++++++++++++++++++++++++++++++++++++++-------------
 21 files changed, 250 insertions(+), 78 deletions(-)


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