http://sourceware.org/bugzilla/show_bug.cgi?id=16595
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=024a23103f04282872d4352302b1bfe04391a7a4
commit 024a23103f04282872d4352302b1bfe04391a7a4
Author: Jan Kratochvil <jan.kratoch...@redhat.com>
Date: Mon Feb 17 08:32:22 2014 +0100
PR binutils/16595
abfd->section_count unexpectedly changes between 218 and 248 in:
150 bfd_simple_get_relocated_section_contents (bfd *abfd,
[...]
218 saved_offsets = malloc (sizeof (struct saved_output_info)
219 * abfd->section_count);
[...]
230 _bfd_generic_link_add_symbols (abfd, &link_info);
[...]
248 bfd_map_over_sections (abfd, simple_restore_output_info,
saved_offsets);
_bfd_generic_link_add_symbols increases section_count
and simple_restore_output_info later reads unallocated part of
saved_offsets.
READ of size 8 at 0x601c0000c5c0 thread T0
#0 0x1124770 in simple_restore_output_info (.../gdb/gdb+0x1124770)
#1 0x10ecd51 in bfd_map_over_sections (.../gdb/gdb+0x10ecd51)
#2 0x1125150 in bfd_simple_get_relocated_section_contents
(.../gdb/gdb+0x1125150)
bfd/
2014-02-17 Jan Kratochvil <jan.kratoch...@redhat.com>
PR binutils/16595
* simple.c (struct saved_offsets): New.
(simple_save_output_info): Use it for ptr.
(simple_restore_output_info): Use it for ptr. Check section_count.
(bfd_simple_get_relocated_section_contents): Use it for saved_offsets.
-----------------------------------------------------------------------
Summary of changes:
bfd/ChangeLog | 8 ++++++++
bfd/simple.c | 42 +++++++++++++++++++++++++++++-------------
2 files changed, 37 insertions(+), 13 deletions(-)
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