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SubjectRe: Redzone overwritten with CONFIG_SECURITY
On Tue, May 27, 2008 at 7:11 PM, Eric Sesterhenn <snakebyte@gmx.de> wrote:
>> I am currently trying to reproduce this with SLAB as Vegard
>> suggested for the kmemcheck report. After this I'll retest this
>> on a fresh tree to make sure it isnt something buggy on my part
>> and try some older kernels.
>
> ok, with CONFIG_SECURITY, SLAB and CONFIG_DEBUG_SLAB on the
> -rc3 based kmemcheck tree enabled i dont get any error.
> I am currently building a fresh -rc4 (with SLUB) to make
> sure this is for real, then i'll try that again with SLAB
> and then start testing older kernels.

Then it's likely that we corrupt hugetlbfs_inode_cachep because of
SLUB merging and the real problem is somewhere else. Can you also try
passing 'slub_nomerge" as a kernel parameter with SLUB?


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