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Groups > linux.kernel > #1210417

Re: Debugging General Protection Fault’s

From Jiri Kosina <jikos@kernel.org>
Newsgroups linux.kernel
Subject Re: Debugging General Protection Fault’s
Date 2015-08-20 13:10 +0200
Message-ID <pZvTk-337-19@gated-at.bofh.it> (permalink)
References <pYQds-BV-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Tue, 18 Aug 2015, Muni Sekhar wrote:

>  [ Please keep me in CC as I'm not subscribed to the list]
> 
> Hello,
> 
> I have a doubt regarding debugging general protection fault’s.
> I am running the driver tests on Intel(R) Core(TM)2 Duo CPU.
> During the tests I see system hangs after continuous occurrence of
> general protection fault’s.
> 
> First fault occurred on CPU: 0 , but it is not related to our driver,

There is no evidence that this is not caused by your driver. It's #GP in 
__kmalloc(), which might very well be caused by use after free in your 
driver, corrupting slab metadata or so.

-- 
Jiri Kosina
SUSE Labs
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Thread

Debugging General Protection Fault’s Muni Sekhar <munisekharrms@gmail.com> - 2015-08-18 16:40 +0200
  Re: Debugging General Protection Fault’s Jiri Kosina <jikos@kernel.org> - 2015-08-20 13:10 +0200

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