Re: kasan cgroup user-after-free in get_mem_cgroup_from_mm

From: junfei fang
Date: Tue Jun 20 2023 - 22:18:49 EST


Thank you for your prompt response.

We are using kernel-5.15 in our project and cannot change it.
Do you have any suggestions on how to fix this issue?
We appreciate your help.


Michal Hocko <mhocko@xxxxxxxx> 于2023年6月20日周二 14:47写道:
>
> On Tue 20-06-23 10:21:20, jefexiaomi wrote:
> > Hi,
> >
> > We encountered three cases of 'cgroup use-after-free' issues in T SW version \
> > with kernel-5.15.
>
> This is a really old kernel. Can you reproduce with the current Linus
> tree?
> --
> Michal Hocko
> SUSE Labs