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hc
2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/fs/lockd/host.c
....@@ -60,6 +60,7 @@
6060 	const size_t		hostname_len;	/* it's length */
6161 	const int		noresvport;	/* use non-priv port */
6262 	struct net		*net;		/* network namespace to bind */
63
+	const struct cred	*cred;
6364 };
6465 
6566 /*
....@@ -162,6 +163,7 @@
162163 	host->h_nsmhandle  = nsm;
163164 	host->h_addrbuf    = nsm->sm_addrbuf;
164165 	host->net	   = ni->net;
166
+	host->h_cred	   = get_cred(ni->cred),
165167 	strlcpy(host->nodename, utsname()->nodename, sizeof(host->nodename));
166168 
167169 out:
....@@ -188,6 +190,7 @@
188190 	clnt = host->h_rpcclnt;
189191 	if (clnt != NULL)
190192 		rpc_shutdown_client(clnt);
193
+	put_cred(host->h_cred);
191194 	kfree(host);
192195 
193196 	ln->nrhosts--;
....@@ -202,6 +205,8 @@
202205  * @version: NLM protocol version
203206  * @hostname: '\0'-terminated hostname of server
204207  * @noresvport: 1 if non-privileged port should be used
208
+ * @net: pointer to net namespace
209
+ * @cred: pointer to cred
205210  *
206211  * Returns an nlm_host structure that matches the passed-in
207212  * [server address, transport protocol, NLM version, server hostname].
....@@ -214,7 +219,8 @@
214219 				     const u32 version,
215220 				     const char *hostname,
216221 				     int noresvport,
217
-				     struct net *net)
222
+				     struct net *net,
223
+				     const struct cred *cred)
218224 {
219225 	struct nlm_lookup_host_info ni = {
220226 		.server		= 0,
....@@ -226,6 +232,7 @@
226232 		.hostname_len	= strlen(hostname),
227233 		.noresvport	= noresvport,
228234 		.net		= net,
235
+		.cred		= cred,
229236 	};
230237 	struct hlist_head *chain;
231238 	struct nlm_host	*host;
....@@ -452,7 +459,9 @@
452459 			.version	= host->h_version,
453460 			.authflavor	= RPC_AUTH_UNIX,
454461 			.flags		= (RPC_CLNT_CREATE_NOPING |
455
-					   RPC_CLNT_CREATE_AUTOBIND),
462
+					   RPC_CLNT_CREATE_AUTOBIND |
463
+					   RPC_CLNT_CREATE_REUSEPORT),
464
+			.cred		= host->h_cred,
456465 		};
457466 
458467 		/*