linux-kernel - Re: 2.6.34 Crash in dmaengine

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:	Mon, 21 Jun 2010 20:28:54 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jeffrey Merkey <jeffmerkey@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Dan Williams <dan.j.williams@...el.com>
Subject: Re: 2.6.34 Crash in dmaengine_put()

On Mon, 21 Jun 2010 20:57:40 -0600 Jeffrey Merkey <jeffmerkey@...il.com> wrote:

> If someone sets the IFF_UP flags in the netdev structure without going
> through ifup userspace stuff, during unregister of the the netdev
> the dmaengine-put code will decrement the reference counter negative,
> and crash at BUG! in the driver/dma/dmaengine.c code.  This seems
> busted.
> 

Please send a copy of the kernel BUG trace.
--
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/