[PATCH AUTOSEL 5.10 20/31] um: allocate a guard page to helper threads

Sasha Levin sashal at kernel.org
Mon Jan 4 09:21:00 EST 2021


On Wed, Dec 30, 2020 at 03:48:57PM +0100, Johannes Berg wrote:
>On Wed, 2020-12-30 at 08:03 -0500, Sasha Levin wrote:
>>
>> We've been running into stack overflows in helper threads
>> corrupting memory
>
>For the record, that was mostly referring to "while development", so
>while this change makes a few things a bit safer, I don't think there's
>all that much point in backporting to stable; presumably things are
>working OK there for people, and developers will (hopefully) be working
>on mainline anyway.

I'll drop it, thanks!

-- 
Thanks,
Sasha



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