Re: edac: NULL deref when handling sysfs write

[Borislav Petkov]

On Fri, Feb 22, 2013 at 09:29:04AM -0500, Sasha Levin wrote:
> Hi all,
> 
> While fuzzing with trinity inside a KVM tools guest running latest -next kernel
> I've stumbled on the following spew:
> 
> 
> [ 2060.023557] Invalid bank value!

You're injecting into an invalid bank.

> [ 2060.029076] [Hardware Error]: MC0 Error:

This looks like a second write to the same sysfs file which passes the
first.

For now, do

rmmod mce_amd_inj

before running trinity.

This module needs to get converted to debugfs (I have patches) anyway.

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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