https://sourceware.org/bugzilla/show_bug.cgi?id=17512
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=896ca0981329171639b1fe0b934393a79ef4fdfb
commit 896ca0981329171639b1fe0b934393a79ef4fdfb
Author: Nick Clifton <ni...@redhat.com>
Date: Mon Jan 5 23:13:50 2015 +0000
More fixes for invalid memory accesses triggered by fuzzed binaries.
PR binutils/17512
* nm.c (print_symbol): Add 'is_synthetic' parameter. Use it to
help initialize the info.elfinfo field.
(print_size_symbols): Add 'synth_count' parameter. Use it to set
the is_synthetic parameter when calling print_symbol.
(print_symbols): Likewise.
(display_rel_file): Pass synth_count to printing function.
(display_archive): Break loop if the last archive displayed
matches the current archive.
* size.c (display_archive): Likewise.
* archive.c (do_slurp_bsd_armap): Make sure that the parsed sized
is at least big enough for the header to be read.
* elf32-i386.c (elf_i386_get_plt_sym_val): Skip unknown relocs.
* mach-o.c (bfd_mach_o_get_synthetic_symtab): Add range checks.
(bfd_mach_o_read_command): Prevetn duplicate error messages about
unrecognized commands.
* syms.c (_bfd_stab_section_find_nearest_line): Add range checks
when indexing into the string table.
-----------------------------------------------------------------------
Summary of changes:
bfd/ChangeLog | 12 +++++++++
bfd/archive.c | 3 +-
bfd/elf32-i386.c | 5 ++-
bfd/elfcode.h | 3 +-
bfd/mach-o.c | 61 +++++++++++++++++++++++++++++++++++---------
bfd/syms.c | 12 +++++++++
binutils/ChangeLog | 13 +++++++++
binutils/nm.c | 71 ++++++++++++++++++++++++++++++++++++---------------
binutils/size.c | 9 ++++++-
9 files changed, 150 insertions(+), 39 deletions(-)
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