Re: [PATCH V3] cgroup/cpuset: Prevent UAF in proc_cpuset_show()

[Tejun Heo]

Hello,

On Thu, Jun 27, 2024 at 11:46:10AM +0200, Michal Koutný wrote:
> Your patch should work thanks to the rcu_read_lock and
> cgroup_free_root/kfree_rcu and the `if (css->cgroup)` guard is
> unnecessary.
> 
> So the patch is a functional fix, the reasoning in commit message is
> little off. Not sure if Tejun rebases his for-6.10-fixes (with a
> possible v4), full fixup commit for this may not be worthy.

This one's on the top. If Chen can send me a patch with updated description,
I will replace the patch.

Thanks.

-- 
tejun