[PATCH v3 06/70] cgroup: add cgroup namespace to tree after owner is set
From: Christian Brauner <brauner@kernel.org>
Date: 2025-10-24 10:53:31
Also in:
bpf, cgroups, linux-fsdevel, lkml
Subsystem:
control group (cgroup), the rest · Maintainers:
Tejun Heo, Johannes Weiner, Michal Koutný, Linus Torvalds
Otherwise we trip VFS_WARN_ON_ONC() in __ns_tree_add_raw().
Fixes: 7c6059398533 ("cgroup: support ns lookup")
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
kernel/cgroup/namespace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/cgroup/namespace.c b/kernel/cgroup/namespace.c
index fdbe57578e68..db9617556dd7 100644
--- a/kernel/cgroup/namespace.c
+++ b/kernel/cgroup/namespace.c@@ -30,7 +30,6 @@ static struct cgroup_namespace *alloc_cgroup_ns(void) ret = ns_common_init(new_ns); if (ret) return ERR_PTR(ret); - ns_tree_add(new_ns); return no_free_ptr(new_ns); }
@@ -86,6 +85,7 @@ struct cgroup_namespace *copy_cgroup_ns(u64 flags, new_ns->ucounts = ucounts; new_ns->root_cset = cset; + ns_tree_add(new_ns); return new_ns; }
--
2.47.3