| Message ID | 20221031081210.2852708-1-william.xuanziyang@huawei.com |
|---|---|
| State | Handled Elsewhere |
| Headers | show |
| Series | [ovs-dev,net] openvswitch: add missing resv_start_op initialization for dp_vport_genl_family | expand |
On 10/31/22 09:12, Ziyang Xuan via dev wrote: > I got a warning using the latest mainline codes to start vms as following: > > =================================================== > WARNING: CPU: 1 PID: 1 at net/netlink/genetlink.c:383 genl_register_family+0x6c/0x76c > CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc2-00886-g882ad2a2a8ff #43 > ... > Call trace: > genl_register_family+0x6c/0x76c > dp_init+0xa8/0x124 > do_one_initcall+0x84/0x450 > > It is because that commit 9c5d03d36251 ("genetlink: start to validate > reserved header bytes") has missed the resv_start_op initialization > for dp_vport_genl_family, and commit ce48ebdd5651 ("genetlink: limit > the use of validation workarounds to old ops") add checking warning. > > Add resv_start_op initialization for dp_vport_genl_family to fix it. > > Fixes: 9c5d03d36251 ("genetlink: start to validate reserved header bytes") > Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com> > --- Hi, Ziyang Xuan. Thanks for the patch! But it looks like Jakub already fixed that issue a couple of days ago: https://git.kernel.org/netdev/net/c/e4ba4554209f Best regards, Ilya Maximets.
> On 10/31/22 09:12, Ziyang Xuan via dev wrote: >> I got a warning using the latest mainline codes to start vms as following: >> >> =================================================== >> WARNING: CPU: 1 PID: 1 at net/netlink/genetlink.c:383 genl_register_family+0x6c/0x76c >> CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc2-00886-g882ad2a2a8ff #43 >> ... >> Call trace: >> genl_register_family+0x6c/0x76c >> dp_init+0xa8/0x124 >> do_one_initcall+0x84/0x450 >> >> It is because that commit 9c5d03d36251 ("genetlink: start to validate >> reserved header bytes") has missed the resv_start_op initialization >> for dp_vport_genl_family, and commit ce48ebdd5651 ("genetlink: limit >> the use of validation workarounds to old ops") add checking warning. >> >> Add resv_start_op initialization for dp_vport_genl_family to fix it. >> >> Fixes: 9c5d03d36251 ("genetlink: start to validate reserved header bytes") >> Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com> >> --- > > Hi, Ziyang Xuan. Thanks for the patch! > > But it looks like Jakub already fixed that issue a couple of days ago: > https://git.kernel.org/netdev/net/c/e4ba4554209f > That's fine. Ignore this. Thank you. > Best regards, Ilya Maximets. > > . >
Hello: This patch was applied to bpf/bpf.git (master) by Jakub Kicinski <kuba@kernel.org>: On Mon, 31 Oct 2022 16:12:10 +0800 you wrote: > I got a warning using the latest mainline codes to start vms as following: > > =================================================== > WARNING: CPU: 1 PID: 1 at net/netlink/genetlink.c:383 genl_register_family+0x6c/0x76c > CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc2-00886-g882ad2a2a8ff #43 > ... > Call trace: > genl_register_family+0x6c/0x76c > dp_init+0xa8/0x124 > do_one_initcall+0x84/0x450 > > [...] Here is the summary with links: - [net] openvswitch: add missing resv_start_op initialization for dp_vport_genl_family https://git.kernel.org/bpf/bpf/c/e4ba4554209f You are awesome, thank you!
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 155263e73512..8b84869eb2ac 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -2544,6 +2544,7 @@ struct genl_family dp_vport_genl_family __ro_after_init = { .parallel_ops = true, .small_ops = dp_vport_genl_ops, .n_small_ops = ARRAY_SIZE(dp_vport_genl_ops), + .resv_start_op = OVS_VPORT_CMD_SET + 1, .mcgrps = &ovs_dp_vport_multicast_group, .n_mcgrps = 1, .module = THIS_MODULE,
I got a warning using the latest mainline codes to start vms as following: =================================================== WARNING: CPU: 1 PID: 1 at net/netlink/genetlink.c:383 genl_register_family+0x6c/0x76c CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc2-00886-g882ad2a2a8ff #43 ... Call trace: genl_register_family+0x6c/0x76c dp_init+0xa8/0x124 do_one_initcall+0x84/0x450 It is because that commit 9c5d03d36251 ("genetlink: start to validate reserved header bytes") has missed the resv_start_op initialization for dp_vport_genl_family, and commit ce48ebdd5651 ("genetlink: limit the use of validation workarounds to old ops") add checking warning. Add resv_start_op initialization for dp_vport_genl_family to fix it. Fixes: 9c5d03d36251 ("genetlink: start to validate reserved header bytes") Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com> --- net/openvswitch/datapath.c | 1 + 1 file changed, 1 insertion(+)