Re: [PATCH net, 1/2] net: core: Fix missing init of llist_node in setup_net()
From: Kuniyuki Iwashima <kuniyu@google.com>
Date: 2025-07-23 00:01:54
Also in:
linux-hyperv, lkml, stable
On Tue, Jul 22, 2025 at 4:51 PM Haiyang Zhang [off-list ref] wrote:
From: Haiyang Zhang <haiyangz@microsoft.com>
Add init_llist_node for lock-less list nodes in struct net in
setup_net(), so we can test if a node is on a list or not.
Cc: stable@vger.kernel.org
Fixes: d6b3358a2813 ("llist: add interface to check if a node is on a list.")No Fixes tag is needed because we didn't have a need to test if net is queued for destruction.
quoted hunk ↗ jump to hunk
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> --- net/core/net_namespace.c | 3 +++ 1 file changed, 3 insertions(+)diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index ae54f26709ca..2a821849558f 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c@@ -434,6 +434,9 @@ static __net_init int setup_net(struct net *net) LIST_HEAD(net_exit_list); int error = 0; + init_llist_node(&net->defer_free_list); + init_llist_node(&net->cleanup_list); + preempt_disable(); net->net_cookie = gen_cookie_next(&net_cookie); preempt_enable(); --2.34.1