Re: [PATCH] SYSVIPC - Fix the ipc structures initialization

[Peter Zijlstra]

On Thu, 2008-11-13 at 07:10 +0100, Manfred Spraul wrote:
> Andrew Morton wrote:
> > Time is starting to press on this one.  Is there something which we can
> > revert which would fix this bug?
> >   
> My previous analysis was bogus, let's start from scratch:
> 
> 1) the initial oops report:
> http://bugzilla.kernel.org/show_bug.cgi?id=11796#c0
> 
> - lockdep is enabled, the oops is somewhere in __lock_acquire
> - the instruction that oopses is

> For me, it reads like an uninitialized spinlock_t:

Yes, most (if not all) oopsen in either __lock_acquire or __lock_release
are stomped on spinlocks, either use after free or otherwise.
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