Subject: Re: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten

From: Christoph Lameter <[email-masked]>
Date: Fri, 18 Jul 2008 08:55:59 -0500

>> INFO: 0xf658ae9c-0xf658ae9c. First byte 0x6a instead of 0x6b
> 
> 0x6b is POISON_FREE so 0x6a is one bit corruption.

Typically this means that a refcount at the head of the object was decremented. But the object was already freed.