https://sourceware.org/bugzilla/show_bug.cgi?id=17512
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f41e4712a7b7ac60f181e7dfc984ca35c222f0d7
commit f41e4712a7b7ac60f181e7dfc984ca35c222f0d7
Author: Nick Clifton <ni...@redhat.com>
Date: Wed Nov 12 22:39:58 2014 +0000
Fix more memory faults uncovered by fuzzing various executables.
PR binutils/17512
* dwarf.c (read_and_display_attr_value): Check that we do not read
past end.
(display_debug_pubnames_worker): Add range checks.
(process_debug_info): Check for invalid pointer sizes.
(display_loc_list): Likewise.
(display_loc_list_dwo): Likewise.
(display_debug_ranges): Likewise.
(display_debug_aranges): Check for invalid address size.
(read_cie): Add range checks. Replace call strchr with while loop.
* objdump.c (dump_dwarf): Replace abort with a warning message.
(print_section_stabs): Improve range checks.
* rdcoff.c (coff_get_slot): Use long for indx parameter type.
Add check for an excesively large index.
* rddbg.c (read_section_stabs_debugging_info): Zero terminate the
string table. Avoid walking off the end of the stabs data.
* stabs.c (parse_stab_string): Add check for a NULL name.
PR binutils/17512
* coffcode.h (coff_slurp_line_table): Set the line number of
corrupt entries to -1.
(coff_slurp_symbol_table): Alway initialise the value of the
symbol.
* coffgen.c (coff_print_symbol): Check that the combined pointer
is valid.
(coff_print_symbol): Do not print negative line numbers.
* peXXigen.c (pe_print_idata): Add range checking displaying
member names.
-----------------------------------------------------------------------
Summary of changes:
bfd/ChangeLog | 13 +++++
bfd/coffcode.h | 14 ++++-
bfd/coffgen.c | 15 +++++-
bfd/peXXigen.c | 25 ++++++---
binutils/ChangeLog | 20 +++++++
binutils/dwarf.c | 144 +++++++++++++++++++++++++++++++++++++++-------------
binutils/objdump.c | 16 ++++--
binutils/rdcoff.c | 9 +++-
binutils/rddbg.c | 40 +++++++++-----
binutils/stabs.c | 30 +++++++----
10 files changed, 244 insertions(+), 82 deletions(-)
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