linux-kernel - Re: [PATCH v2 4/6] hw_random: fix unregister race.

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

Message-ID: <20141021141745.GA18511@gondor.apana.org.au>
Date:	Tue, 21 Oct 2014 22:17:45 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Amos Kong <akong@...hat.com>
Cc:	virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
	m@...s.ch, mpm@...enic.com, amit.shah@...hat.com,
	rusty@...tcorp.com.au, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/6] hw_random: fix unregister race.

On Thu, Sep 18, 2014 at 08:37:45PM +0800, Amos Kong wrote:
> From: Rusty Russell <rusty@...tcorp.com.au>
> 
> The previous patch added one potential problem: we can still be
> reading from a hwrng when it's unregistered.  Add a wait for zero
> in the hwrng_unregister path.
> 
> Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>

You totally corrupted Rusty's patch.  If you're going to repost
his series you better make sure that you've got the right patches.

Just as well though as it made me think a little more about this
patch :)

Cheers,
-- 
Email: Herbert Xu <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 linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/