netdev - Re: [PATCH net-next 1/2] ipv6: addrconf: don't use rtnl mutex in RTM

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]

Date:   Wed, 11 Oct 2017 20:17:20 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     fw@...len.de
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net-next 1/2] ipv6: addrconf: don't use rtnl mutex in
 RTM_GETNETCONF

From: Florian Westphal <fw@...len.de>
Date: Wed, 11 Oct 2017 10:28:00 +0200

> Instead of relying on rtnl mutex bump device reference count.
> After this change, values reported can change in parallel, but thats not
> much different from current state, as anyone can change the settings
> right after rtnl_unlock (and before userspace processed reply).
> 
> While at it, switch to GFP_KERNEL allocation.
> 
> Signed-off-by: Florian Westphal <fw@...len.de>

Applied.