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Message-ID: <202310250256.kXWoLwJm-lkp@intel.com>
Date: Wed, 25 Oct 2023 02:43:26 +0800
From: kernel test robot <lkp@...el.com>
To: Daniel Gröber <dxld@...kboxed.org>,
"Jason A. Donenfeld" <Jason@...c4.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, wireguard@...ts.zx2c4.com,
linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
Daniel Gröber <dxld@...kboxed.org>
Subject: Re: [PATCH] wireguard: Add netlink attrs for binding to address and
netdev
Hi Daniel,
kernel test robot noticed the following build errors:
[auto build test ERROR on linus/master]
[also build test ERROR on v6.6-rc7 next-20231024]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Daniel-Gr-ber/wireguard-Add-netlink-attrs-for-binding-to-address-and-netdev/20231024-000158
base: linus/master
patch link: https://lore.kernel.org/r/20231023160006.85992-1-dxld%40darkboxed.org
patch subject: [PATCH] wireguard: Add netlink attrs for binding to address and netdev
config: um-randconfig-002-20231024 (https://download.01.org/0day-ci/archive/20231025/202310250256.kXWoLwJm-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231025/202310250256.kXWoLwJm-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310250256.kXWoLwJm-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/net/wireguard/netlink.c: In function 'wg_get_device_dump':
>> drivers/net/wireguard/netlink.c:247:52: error: 'struct udp_port_cfg' has no member named 'local_ip6'; did you mean 'local_ip'?
247 | &wg->port_cfg.local_ip6))
| ^~~~~~~~~
| local_ip
drivers/net/wireguard/netlink.c: In function 'set_port_cfg':
drivers/net/wireguard/netlink.c:348:34: error: 'struct udp_port_cfg' has no member named 'local_ip6'; did you mean 'local_ip'?
348 | port_cfg.local_ip6 = u_addr->addr6;
| ^~~~~~~~~
| local_ip
vim +247 drivers/net/wireguard/netlink.c
211
212 static int wg_get_device_dump(struct sk_buff *skb, struct netlink_callback *cb)
213 {
214 struct wg_peer *peer, *next_peer_cursor;
215 struct dump_ctx *ctx = DUMP_CTX(cb);
216 struct wg_device *wg = ctx->wg;
217 struct nlattr *peers_nest;
218 int ret = -EMSGSIZE;
219 bool done = true;
220 void *hdr;
221
222 rtnl_lock();
223 mutex_lock(&wg->device_update_lock);
224 cb->seq = wg->device_update_gen;
225 next_peer_cursor = ctx->next_peer;
226
227 hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq,
228 &genl_family, NLM_F_MULTI, WG_CMD_GET_DEVICE);
229 if (!hdr)
230 goto out;
231 genl_dump_check_consistent(cb, hdr);
232
233 if (!ctx->next_peer) {
234 if (nla_put_u16(skb, WGDEVICE_A_LISTEN_PORT,
235 ntohs(wg->port_cfg.local_udp_port)) ||
236 nla_put_u32(skb, WGDEVICE_A_LISTEN_IFINDEX, wg->port_cfg.bind_ifindex) ||
237 nla_put_u32(skb, WGDEVICE_A_FWMARK, wg->fwmark) ||
238 nla_put_u32(skb, WGDEVICE_A_IFINDEX, wg->dev->ifindex) ||
239 nla_put_string(skb, WGDEVICE_A_IFNAME, wg->dev->name))
240 goto out;
241 if (wg->port_cfg.family == AF_INET &&
242 nla_put_in_addr(skb, WGDEVICE_A_LISTEN_ADDR,
243 wg->port_cfg.local_ip.s_addr))
244 goto out;
245 if (wg->port_cfg.family == AF_INET6 &&
246 nla_put_in6_addr(skb, WGDEVICE_A_LISTEN_ADDR,
> 247 &wg->port_cfg.local_ip6))
248 goto out;
249
250 down_read(&wg->static_identity.lock);
251 if (wg->static_identity.has_identity) {
252 if (nla_put(skb, WGDEVICE_A_PRIVATE_KEY,
253 NOISE_PUBLIC_KEY_LEN,
254 wg->static_identity.static_private) ||
255 nla_put(skb, WGDEVICE_A_PUBLIC_KEY,
256 NOISE_PUBLIC_KEY_LEN,
257 wg->static_identity.static_public)) {
258 up_read(&wg->static_identity.lock);
259 goto out;
260 }
261 }
262 up_read(&wg->static_identity.lock);
263 }
264
265 peers_nest = nla_nest_start(skb, WGDEVICE_A_PEERS);
266 if (!peers_nest)
267 goto out;
268 ret = 0;
269 /* If the last cursor was removed via list_del_init in peer_remove, then
270 * we just treat this the same as there being no more peers left. The
271 * reason is that seq_nr should indicate to userspace that this isn't a
272 * coherent dump anyway, so they'll try again.
273 */
274 if (list_empty(&wg->peer_list) ||
275 (ctx->next_peer && list_empty(&ctx->next_peer->peer_list))) {
276 nla_nest_cancel(skb, peers_nest);
277 goto out;
278 }
279 lockdep_assert_held(&wg->device_update_lock);
280 peer = list_prepare_entry(ctx->next_peer, &wg->peer_list, peer_list);
281 list_for_each_entry_continue(peer, &wg->peer_list, peer_list) {
282 if (get_peer(peer, skb, ctx)) {
283 done = false;
284 break;
285 }
286 next_peer_cursor = peer;
287 }
288 nla_nest_end(skb, peers_nest);
289
290 out:
291 if (!ret && !done && next_peer_cursor)
292 wg_peer_get(next_peer_cursor);
293 wg_peer_put(ctx->next_peer);
294 mutex_unlock(&wg->device_update_lock);
295 rtnl_unlock();
296
297 if (ret) {
298 genlmsg_cancel(skb, hdr);
299 return ret;
300 }
301 genlmsg_end(skb, hdr);
302 if (done) {
303 ctx->next_peer = NULL;
304 return 0;
305 }
306 ctx->next_peer = next_peer_cursor;
307 return skb->len;
308
309 /* At this point, we can't really deal ourselves with safely zeroing out
310 * the private key material after usage. This will need an additional API
311 * in the kernel for marking skbs as zero_on_free.
312 */
313 }
314
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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