netdev - Re: [PATCH] xfrm: use ISO C standard for array in linux/xfrm.h

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Wed, 17 Oct 2012 11:03:13 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	Steffen Klassert <steffen.klassert@...unet.com>
CC:	herbert@...dor.apana.org.au, netdev@...r.kernel.org,
	davem@...emloft.net
Subject: Re: [PATCH] xfrm: use ISO C standard for array in linux/xfrm.h

Le 17/10/2012 10:27, Steffen Klassert a écrit :
> 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.
>
Right, it works. Thank you.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html