Re: tty_ldisc_try_get(): BUG kmalloc-8: Poison overwritten

From: Catalin Marinas
Date: Mon Jun 15 2009 - 05:11:32 EST


Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
> On Sun, 14 Jun 2009 10:10:52 +0200
> Ingo Molnar <mingo@xxxxxxx> wrote:
>> Ok, this is one for those who like to look at weird crashes/bugs.
>>
>> Here's a new regression that popped up in this merge window, there's
>> some sort of slab corruption going on in tty data structures:
>
> I split the ldisc and tty apart and redid the ldisc locking so its a fair
> bet I know what changeset is to blame, will just need to hunt it down a
> bit. kmemcheck found one leak case on Friday which I've fixed but not yet
> scribbles.

That was kmemleak :-).

--
Catalin
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