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SubjectRe: [PATCH 0/3] ABI CHANGE!!! Remove questionable remote SP reads
On Fri, Sep 30, 2016 at 10:58 AM, Andy Lutomirski <> wrote:
> Jann Horn noticed that KSTK_ESP + eager task stack freeing was a bad
> combination and could crash. I could very easily fix it to not
> crash, but I think that using KSTK_ESP on a remote task is
> questionable in general. Therefore, I propose to get rid of the
> major users for 4.9.


We need to decide fairly soon whether to apply these (or perhaps just
patch 1 or just patches 2 and 3) for 4.9. For any parts that aren't
applied, I'll send quick fixups to pin the stack in the offending


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