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SubjectRe: [PATCH 4.19 1/3] x86/resctrl: Fix use-after-free when deleting resource groups
On Sun, Feb 02, 2020 at 06:02:17AM +0800, Xiaochen Shen wrote:
>commit b8511ccc75c033f6d54188ea4df7bf1e85778740 upstream.
>
>A resource group (rdtgrp) contains a reference count (rdtgrp->waitcount)
>that indicates how many waiters expect this rdtgrp to exist. Waiters
>could be waiting on rdtgroup_mutex or some work sitting on a task's
>workqueue for when the task returns from kernel mode or exits.

I've queued up the 4.19 and 4.14 backports, thanks!

--
Thanks,
Sasha

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