The fix checks that ve->init_task is not referenced during warning
message decision if ve == ve0, because ve0 init_task is always NULL.

https://jira.sw.ru/browse/PSBM-107673
Signed-off-by: Valeriy Vdovin <valeriy.vdo...@virtuozzo.com>
---
 kernel/cgroup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 691505c..27d7a5e 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -5934,7 +5934,7 @@ void cgroup_release_agent(struct work_struct *work)
                        envp, UMH_WAIT_EXEC, NULL, NULL, NULL);
 
                ve_task = ve->init_task;
-               if (err < 0 && (!(ve_task->flags & PF_EXITING)))
+               if (err < 0 && (ve == &ve0 || !(ve_task->flags & PF_EXITING)))
                        pr_warn_ratelimited("cgroup release_agent "
                                            "%s %s failed: %d\n",
                                            agentbuf, pathbuf, err);
-- 
1.8.3.1

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