ns: initialize ns_list_node for initial namespaces

[ Upstream commit 3dd50c58664e2684bd610a57bf3ab713cbb0ea91 ]

Make sure that the list is always initialized for initial namespaces.

Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-8-2e6f823ebdc0@kernel.org
Fixes: 885fc8ac0a4d ("nstree: make iterator generic")
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/include/linux/ns_common.h b/include/linux/ns_common.h
index 3a72c3f81eca421a16a0b6bacc398a96f905e0c0..71a5e28344d1195f37bce1cd0cc631a1d322facb 100644 (file)
--- a/include/linux/ns_common.h
+++ b/include/linux/ns_common.h
@@ -127,6 +127,7 @@ void __ns_common_free(struct ns_common *ns);
        .ops                    = to_ns_operations(&nsname),                            \
        .stashed                = NULL,                                                 \
        .__ns_ref               = REFCOUNT_INIT(refs),                                  \
+       .ns_list_node           = LIST_HEAD_INIT(nsname.ns.ns_list_node),               \
 }
 
 #define ns_common_init(__ns)                     \