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ns: add asserts for active refcount underflow

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Add a few more assert to detect active reference count underflows.

Link: https://patch.msgid.link/20251109-namespace-6-19-fixes-v1-6-ae8a4ad5a3b3@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner
2025-11-09 22:11:27 +01:00
parent f8d5a8970d
commit 57b39aabb9
2 changed files with 14 additions and 5 deletions
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1
include/linux/ns_common.h
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@@ -294,7 +294,6 @@ void __ns_ref_active_put(struct ns_common *ns);
static __always_inline struct ns_common *__must_check ns_get_unless_inactive(struct ns_common *ns)
{
VFS_WARN_ON_ONCE(__ns_ref_active_read(ns) && !__ns_ref_read(ns));
if (!__ns_ref_active_read(ns)) {
VFS_WARN_ON_ONCE(is_ns_init_id(ns));
return NULL;