netdev - Re: [PATCH] net: fix a lockdep splat

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]

Date:	Thu, 23 Sep 2010 07:42:57 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jarek Poplawski <jarkao2@...il.com>
Cc:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
	David Miller <davem@...emloft.net>,
	linux-fsdevel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] net: fix a lockdep splat

Le jeudi 23 septembre 2010 à 00:43 +0200, Eric Dumazet a écrit :

> 
> [PATCH v2] net: fix a lockdep splat
> 
...
> lockdep is not happy with this, as reported by Tetsuo Handa
> 
> It seems only way to deal with this is to use read_lock_bh(callbacklock)
> everywhere.
> 
> Thanks to Jarek for pointing a bug in my first attempt and suggesting
> this solution.
> 
> Reported-by: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
> CC: Jarek Poplawski <jarkao2@...il.com>

Tested-by: Eric Dumazet <eric.dumazet@...il.com>

I tested it on my machine and could not reproduce the lockdep splat.



--
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