[Bug gdb/15827] Segfault on reading symbols from a fuzzed (corrupted) binary

["cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=15827

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=22869d73e127511e177a6bd855f9b5dbe22b9eca

commit 22869d73e127511e177a6bd855f9b5dbe22b9eca
Author: Keith Seitz <keiths@redhat.com>
Date:   Wed Apr 16 14:39:10 2014 -0700

    PR gdb/15827

    Install some sanity checks that sibling DIE offsets are not beyond the
    defined limits of the DWARF input buffer in read_partial_die and
skip_one_die.

    2014-03-20  Keith Seitz  <keiths@redhat.com>

        PR gdb/15827
        * dwarf2read.c (skip_one_die): Check that all relative-offset
        sibling DIEs fall within range of the current reader's buffer.
        (read_partial_die): Likewise.

    2014-03-20  Keith Seitz  <keiths@redhat.com>

        PR gdb/15827
        * gdb.dwarf2/corrupt.c: New file.
        * gdb.dwarf2/corrupt.exp: New file.

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

Summary of changes:
 gdb/ChangeLog                        |    7 +++
 gdb/dwarf2read.c                     |    4 ++
 gdb/testsuite/ChangeLog              |    6 +++
 gdb/testsuite/gdb.dwarf2/corrupt.c   |   24 ++++++++++
 gdb/testsuite/gdb.dwarf2/corrupt.exp |   77 ++++++++++++++++++++++++++++++++++
 5 files changed, 118 insertions(+), 0 deletions(-)
 create mode 100644 gdb/testsuite/gdb.dwarf2/corrupt.c
 create mode 100644 gdb/testsuite/gdb.dwarf2/corrupt.exp

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