From: Steffen Klassert <steffen.klassert@secunet.com>
To: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Cc: herbert@gondor.apana.org.au, netdev@vger.kernel.org, davem@davemloft.net
Subject: Re: [PATCH] xfrm: use ISO C standard for array in linux/xfrm.h
Date: Wed, 17 Oct 2012 10:27:31 +0200 [thread overview]
Message-ID: <20121017082731.GB12671@secunet.com> (raw)
In-Reply-To: <507E6362.1080009@6wind.com>
On Wed, Oct 17, 2012 at 09:50:58AM +0200, Nicolas Dichtel wrote:
> We got a problem with "ip xfrm state add" when compiled with gcc 4.4.6.
> Error was "*** buffer overflow detected ***: ip terminated", because
> when we try to copy the key in struct xfrm_algo, the function
> strncpy() calls some builtin checks about the size of the
> destination buffer, which is 0. With the standard notation, there is
> no problem.
This is likely to be a gcc FORITFY bug. Try to build iproute2 with
the -D_FORTIFY_SOURCE=0 flag.
next prev parent reply other threads:[~2012-10-17 8:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-16 15:42 [PATCH] xfrm: use ISO C standard for array in linux/xfrm.h nicolas.dichtel
2012-10-17 5:43 ` Steffen Klassert
2012-10-17 6:16 ` David Miller
2012-10-17 7:50 ` Nicolas Dichtel
2012-10-17 8:27 ` Steffen Klassert [this message]
2012-10-17 9:03 ` Nicolas Dichtel
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