netdev - Re: [PATCH] sky2: detect and prevent kernel panic from a possible faulty hardware

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: <20130730.161906.1898764862564749288.davem@davemloft.net>
Date:	Tue, 30 Jul 2013 16:19:06 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	sam8641@...il.com
Cc:	mlindner@...vell.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sky2: detect and prevent kernel panic from a possible
 faulty hardware

From: Samuel Williams <sam8641@...il.com>
Date: Sat, 27 Jul 2013 15:35:54 -0500

> A possible faulty hardware might interrupt with a status of 0xffffffff which
> may kernel panic if sky2 driver tries to handle it. Detecting this problem
> may avoid kernel panic.
> 
> Signed-off-by: Samuel Williams <sam8641@...il.com>

Sure, but then the device is basically just going to stop.

I think this change needs to be more comprehensive, for example it
needs to fully reset the device and try to get it operational again.
--
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