netdev - Re: authenc compile warnings in current net-2.6.24

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20071011032330.GA14165@gondor.apana.org.au>
Date:	Thu, 11 Oct 2007 11:23:30 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...breakpoint.cc, socketcan@...tkopp.net,
	netdev@...r.kernel.org
Subject: Re: authenc compile warnings in current net-2.6.24

On Wed, Oct 10, 2007 at 04:25:28PM -0700, David Miller wrote:
>
> It's just not smart enough to see that cryptlen's initialization
> and it's use in the auth_unlock label path are both protected
> by 'err' being non-zero.
> 
> To be honest I don't know of any compiler which commits enough
> flow variable analysis to support doing %100 accurate warnings
> in situations like this.
> 
> Since the compiler is unlikely to do so, I think we should fix
> it somehow because useless warnings just distract.

Yeah I've added a fix in the cryptodev tree.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
-
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