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