[Bug malloc/21754] malloc: Perform as little work as possible after heap consistency check failures

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https://sourceware.org/bugzilla/show_bug.cgi?id=21754

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ec2c1fcefb200c6cb7e09553f3c6af8815013d83

commit ec2c1fcefb200c6cb7e09553f3c6af8815013d83
Author: Florian Weimer <fweimer@redhat.com>
Date:   Wed Aug 30 16:39:41 2017 +0200

    malloc: Abort on heap corruption, without a backtrace [BZ #21754]

    The stack trace printing caused deadlocks and has been itself been
    targeted by code execution exploits.

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

Summary of changes:
 ChangeLog            |    9 +++++++++
 NEWS                 |    8 ++++++++
 malloc/malloc.c      |   23 ++++-------------------
 manual/memory.texi   |   20 +++++++++-----------
 manual/tunables.texi |   28 +++++++---------------------
 5 files changed, 37 insertions(+), 51 deletions(-)

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