On Fri, Oct 17, 2025 at 05:31:26PM +0200, Oleg Nesterov wrote:
On 10/17, Greg Kroah-Hartman wrote:
6.1-stable review patch. If anyone has any objections, please let me know.
Well, I don't think this is a -stable material...
This patch tried to make the usage of __task_pid_nr_ns() more simple/safe, but I don't think we have the problematic users right now.
And please see
[PATCH 1/2] Revert "pid: make __task_pid_nr_ns(ns => NULL) safe for zombie callers" https://lore.kernel.org/all/20251015123613.GA9456@redhat.com/
because we have another commit 006568ab4c5c ("pid: Add a judgment for ns null in pid_nr_ns"). Which too (imo) is not for -stable. The panic fixed by this patch was caused by the out-of-tree and buggy code.
Thanks for letting me know, I'll go drop this patch from all stable queues now.
greg k-h