Re: [PATCH][2.6] Fix module_text_address/store_stackinfo race

[Rusty Russell]

On Wed, 2004-06-23 at 18:02, Zwane Mwaikambo wrote:
> store_stackinfo() does an unlocked module list walk during normal runtime
> which opens up a race with the module load/unload code. This can be
> triggered by simply unloading and loading a module in a loop with
> CONFIG_DEBUG_PAGEALLOC resulting in store_stackinfo() tripping over bad
> list pointers.

Hmmm...

	You can't move kernel_text_address into module.c, since it isn't
compiled for CONFIG_MODULES=n.

I don't really like debug code messing with this, but you might be right
about changing it to __kernel_text_address().

Rusty.
-- 
Anyone who quotes me in their signature is an idiot -- Rusty Russell

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