From: Magnus Granberg <zorry@gentoo.org>
To: libc-alpha@sourceware.org
Subject: Re: [PATCH] Bug 20662: checking whether x86_64-pc-linux-gnu-gcc implicitly enables -fstack-protector no (32bit gcc 6.2.0 pie and ssp enable)
Date: Sat, 22 Oct 2016 13:03:00 -0000 [thread overview]
Message-ID: <11568703.X3ANv8lxma@laptop1.gw.ume.nu> (raw)
In-Reply-To: <5809D8A0.7030906@arm.com>
fredag 21 oktober 2016 kl. 09:58:08 CEST skrev Szabolcs Nagy:
> On 20/10/16 21:01, Magnus Granberg wrote:
> > When glibc get compile with gcc 6.2 that have been configured with
> >
> > --enable-default-pie and --enable-default-ssp. The check that check if
> > the
> >
> > compiler use -fstack-protector as default fail on the 32bit part.
>
> i'm not against this patch, just note that any reasonable ssp
> implementation would not make a call in case of failure, but
> crash the application immediately, i hope gcc will have an
> option in the future to do that, which means this check will
> not work (the test would have to look for canary access, which
> is target specific).
Thanks
next prev parent reply other threads:[~2016-10-22 13:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-20 20:02 Magnus Granberg
2016-10-21 8:58 ` Szabolcs Nagy
2016-10-22 13:03 ` Magnus Granberg [this message]
2016-11-15 19:37 ` Mike Frysinger
2016-11-15 19:37 ` [PATCH/committed 2.23] configure: accept __stack_chk_fail_local for ssp support too [BZ #20662] Mike Frysinger
2016-11-15 19:37 ` [PATCH/committed 2.24] " Mike Frysinger
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