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

From: Alan Cox
Date: Sun Jun 14 2009 - 06:54:31 EST

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

> c65c9bc: tty: rewrite the ldisc locking

Almost certainly that one and will investigate on Monday

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