linux-kernel - Re: linux-next: Tree for June 3

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Message-ID: <AANLkTikN_3oLIFQ0CRiLwXUV79myy_aqriezdCgnZHFT@mail.gmail.com>
Date:	Fri, 4 Jun 2010 12:46:59 -0700
From:	Tony Luck <tony.luck@...el.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Dave Young <hidave.darkstar@...il.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: linux-next: Tree for June 3

> I've fixed it (by reversing the order of those lines) for tomorrow's
> linux-next.

Somewhere between next-20100602 and next-20100604
something was changed that results in ia64 taking deref
NULL oops in sys_init_module() ...

Freeing unused kernel memory: 1984kB freed
modprobe[1851]: NaT consumption 2216203124768 [1]
Modules linked in:

Pid: 1851, CPU 2, comm:             modprobe
psr : 0000121008526030 ifs : 8000000000000794 ip  :
[<a0000001000f0f31>]    Not tainted
(2.6.35-rc1-generic-smp-next-20100604)
ip is at sys_init_module+0x131/0x420

At the point of dereference it looks like we were trying
to load a 4-byte data object from offset 552 into the
"struct module *" that wa returned by load_module().

-Tony
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