Re: [PATCH v5 00/11] x86,fs/resctrl: Fix long-standing issues
From: Borislav Petkov
Date: Wed Jul 01 2026 - 15:51:28 EST
On Wed, Jul 01, 2026 at 10:55:38AM -0700, Reinette Chatre wrote:
> I agree there are serious issues here. What prevents me from advocating for them
> all to go to stable is that the fixes to the intricate races required changes to
> resctrl's core locking flows. I absolutely tested and scrutinized these changes but
> having them go straight to all the stable kernels feels like a big jump to me.
Makes sense to me.
> The fixes that do not involve locking changes are below. They could be considered
> for stable.
> 1/11: x86,fs/resctrl: Prevent out-of-bounds access while offlining CPU when SNC enabled
> 4/11: fs/resctrl: Free mon_data structures on rdt_get_tree() failure
> 5/11: fs/resctrl: Fix use-after-free during unmount
> 8/11: fs/resctrl: Fix double-add of pseudo-locked region's RMID to free list
Ok, lemme hoist those up into urgent first.
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette