This is a note to let you know that I've just added the patch titled net: net_namespace: Fix undefined member in key_remove_domain() to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-net_namespace-fix-undefined-member-in-key_remove.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 4c292091bb4483d6d453c81f1fb91b0feec5ee9b Author: Yajun Deng <yajun.deng@xxxxxxxxx> Date: Sat Sep 18 17:04:10 2021 +0800 net: net_namespace: Fix undefined member in key_remove_domain() [ Upstream commit aed0826b0cf2e488900ab92193893e803d65c070 ] The key_domain member in struct net only exists if we define CONFIG_KEYS. So we should add the define when we used key_domain. Fixes: 9b242610514f ("keys: Network namespace domain tag") Signed-off-by: Yajun Deng <yajun.deng@xxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 9bf15512601bf..cd1d40195e461 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -480,7 +480,9 @@ struct net *copy_net_ns(unsigned long flags, if (rv < 0) { put_userns: +#ifdef CONFIG_KEYS key_remove_domain(net->key_domain); +#endif put_user_ns(user_ns); net_drop_ns(net); dec_ucounts: @@ -612,7 +614,9 @@ static void cleanup_net(struct work_struct *work) list_for_each_entry_safe(net, tmp, &net_exit_list, exit_list) { list_del_init(&net->exit_list); dec_net_namespaces(net->ucounts); +#ifdef CONFIG_KEYS key_remove_domain(net->key_domain); +#endif put_user_ns(net->user_ns); net_drop_ns(net); }