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-rw-r--r--net/ipv4/devinet.c1
-rw-r--r--net/ipv4/fib_frontend.c11
2 files changed, 8 insertions, 4 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index c100709d6dd..e3126612fcb 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1468,6 +1468,7 @@ static struct devinet_sysctl_table {
1468 DEVINET_SYSCTL_RW_ENTRY(SEND_REDIRECTS, "send_redirects"), 1468 DEVINET_SYSCTL_RW_ENTRY(SEND_REDIRECTS, "send_redirects"),
1469 DEVINET_SYSCTL_RW_ENTRY(ACCEPT_SOURCE_ROUTE, 1469 DEVINET_SYSCTL_RW_ENTRY(ACCEPT_SOURCE_ROUTE,
1470 "accept_source_route"), 1470 "accept_source_route"),
1471 DEVINET_SYSCTL_RW_ENTRY(ACCEPT_LOCAL, "accept_local"),
1471 DEVINET_SYSCTL_RW_ENTRY(PROXY_ARP, "proxy_arp"), 1472 DEVINET_SYSCTL_RW_ENTRY(PROXY_ARP, "proxy_arp"),
1472 DEVINET_SYSCTL_RW_ENTRY(MEDIUM_ID, "medium_id"), 1473 DEVINET_SYSCTL_RW_ENTRY(MEDIUM_ID, "medium_id"),
1473 DEVINET_SYSCTL_RW_ENTRY(BOOTP_RELAY, "bootp_relay"), 1474 DEVINET_SYSCTL_RW_ENTRY(BOOTP_RELAY, "bootp_relay"),
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 3b373a8b047..3323168ee52 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -241,16 +241,17 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
241 .iif = oif }; 241 .iif = oif };
242 242
243 struct fib_result res; 243 struct fib_result res;
244 int no_addr, rpf; 244 int no_addr, rpf, accept_local;
245 int ret; 245 int ret;
246 struct net *net; 246 struct net *net;
247 247
248 no_addr = rpf = 0; 248 no_addr = rpf = accept_local = 0;
249 rcu_read_lock(); 249 rcu_read_lock();
250 in_dev = __in_dev_get_rcu(dev); 250 in_dev = __in_dev_get_rcu(dev);
251 if (in_dev) { 251 if (in_dev) {
252 no_addr = in_dev->ifa_list == NULL; 252 no_addr = in_dev->ifa_list == NULL;
253 rpf = IN_DEV_RPFILTER(in_dev); 253 rpf = IN_DEV_RPFILTER(in_dev);
254 accept_local = IN_DEV_ACCEPT_LOCAL(in_dev);
254 } 255 }
255 rcu_read_unlock(); 256 rcu_read_unlock();
256 257
@@ -260,8 +261,10 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
260 net = dev_net(dev); 261 net = dev_net(dev);
261 if (fib_lookup(net, &fl, &res)) 262 if (fib_lookup(net, &fl, &res))
262 goto last_resort; 263 goto last_resort;
263 if (res.type != RTN_UNICAST) 264 if (res.type != RTN_UNICAST) {
264 goto e_inval_res; 265 if (res.type != RTN_LOCAL || !accept_local)
266 goto e_inval_res;
267 }
265 *spec_dst = FIB_RES_PREFSRC(res); 268 *spec_dst = FIB_RES_PREFSRC(res);
266 fib_combine_itag(itag, &res); 269 fib_combine_itag(itag, &res);
267#ifdef CONFIG_IP_ROUTE_MULTIPATH 270#ifdef CONFIG_IP_ROUTE_MULTIPATH