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authorHuawei LI <lihuawei_zzu@163.com>2022-09-29 11:28:12 +0800
committerNeale Ranns <neale@graphiant.com>2022-10-11 03:37:36 +0000
commit06923b33a9507ee6a92facb770650fff93d89dff (patch)
tree2952b05f1a800a7ed4cc07111c62ccb037471498 /src/vnet
parent23b33ec02bb08b5998d3b2ba7c6ef7d4737424c6 (diff)
fib: fix crash when create vxlan/vxlan-gpe/geneve/gtpu tunnel.
Fix vpp crash when create vxlan/vxlan-gpe/geneve/gtpu tunnel with 0.0.0.0 dst ip in debug build. The ASSERT should be move out of fib_prefix_from_ip46_addr, which may be called when create vxlan/vxlan-gpe/geneve/gtpu tunnel with 0.0.0.0 dst ip. How to reproduce: 1. build debug vpp and run vpp 2. create vxlan t src 192.168.0.2 dst 0.0.0.0 vni 1 instance 1 create vxlan-gpe tunnel local 192.168.0.2 remote 0.0.0.0 vni 1 create geneve tunnel local 192.168.0.2 remote 0.0.0.0 vni 1 create gtpu tunnel src 192.168.0.2 dst 0.0.0.0 teid 1 Type: fix Change-Id: I19972f6af588f4ff7fd17de1b16b9301e43d596f Signed-off-by: Huawei LI <lihuawei_zzu@163.com>
Diffstat (limited to 'src/vnet')
-rw-r--r--src/vnet/fib/fib_path.c6
-rw-r--r--src/vnet/fib/fib_types.c13
-rw-r--r--src/vnet/fib/fib_types.h5
-rw-r--r--src/vnet/vxlan-gpe/vxlan_gpe.c5
-rw-r--r--src/vnet/vxlan/vxlan.c5
5 files changed, 18 insertions, 16 deletions
diff --git a/src/vnet/fib/fib_path.c b/src/vnet/fib/fib_path.c
index db78587fb27..8d160d99ccc 100644
--- a/src/vnet/fib/fib_path.c
+++ b/src/vnet/fib/fib_path.c
@@ -1998,7 +1998,11 @@ fib_path_resolve (fib_node_index_t path_index)
}
else
{
- fib_prefix_from_ip46_addr(&path->recursive.fp_nh.fp_ip, &pfx);
+ ASSERT(!ip46_address_is_zero(&path->recursive.fp_nh.fp_ip));
+
+ fib_protocol_t fp = (ip46_address_is_ip4(&path->recursive.fp_nh.fp_ip) ?
+ FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6);
+ fib_prefix_from_ip46_addr(fp, &path->recursive.fp_nh.fp_ip, &pfx);
}
fib_table_lock(path->recursive.fp_tbl_id,
diff --git a/src/vnet/fib/fib_types.c b/src/vnet/fib/fib_types.c
index 7eeb79fffa5..5c5fd0b9823 100644
--- a/src/vnet/fib/fib_types.c
+++ b/src/vnet/fib/fib_types.c
@@ -78,16 +78,15 @@ format_fib_mpls_label (u8 *s, va_list *ap)
}
void
-fib_prefix_from_ip46_addr (const ip46_address_t *addr,
+fib_prefix_from_ip46_addr (fib_protocol_t fproto,
+ const ip46_address_t *addr,
fib_prefix_t *pfx)
{
- ASSERT(!ip46_address_is_zero(addr));
+ ASSERT(FIB_PROTOCOL_MPLS != fproto);
- pfx->fp_proto = ((ip46_address_is_ip4(addr) ?
- FIB_PROTOCOL_IP4 :
- FIB_PROTOCOL_IP6));
- pfx->fp_len = ((ip46_address_is_ip4(addr) ?
- 32 : 128));
+ pfx->fp_proto = fproto;
+ pfx->fp_len = ((FIB_PROTOCOL_IP4 == fproto) ?
+ 32 : 128);
pfx->fp_addr = *addr;
pfx->___fp___pad = 0;
}
diff --git a/src/vnet/fib/fib_types.h b/src/vnet/fib/fib_types.h
index dbd4e97e867..49a4b39d042 100644
--- a/src/vnet/fib/fib_types.h
+++ b/src/vnet/fib/fib_types.h
@@ -276,8 +276,9 @@ extern void fib_prefix_normalize(const fib_prefix_t *p,
/**
* \brief Host prefix from ip
*/
-extern void fib_prefix_from_ip46_addr (const ip46_address_t *addr,
- fib_prefix_t *pfx);
+extern void fib_prefix_from_ip46_addr (fib_protocol_t fproto,
+ const ip46_address_t *addr,
+ fib_prefix_t *pfx);
extern u8 * format_fib_prefix(u8 * s, va_list * args);
extern u8 * format_fib_forw_chain_type(u8 * s, va_list * args);
diff --git a/src/vnet/vxlan-gpe/vxlan_gpe.c b/src/vnet/vxlan-gpe/vxlan_gpe.c
index a926847051f..5919e0f0dfd 100644
--- a/src/vnet/vxlan-gpe/vxlan_gpe.c
+++ b/src/vnet/vxlan-gpe/vxlan_gpe.c
@@ -594,7 +594,8 @@ int vnet_vxlan_gpe_add_del_tunnel
fib_prefix_t tun_remote_pfx;
vnet_flood_class_t flood_class = VNET_FLOOD_CLASS_TUNNEL_NORMAL;
- fib_prefix_from_ip46_addr (&t->remote, &tun_remote_pfx);
+ fib_protocol_t fp = fib_ip_proto (is_ip6);
+ fib_prefix_from_ip46_addr (fp, &t->remote, &tun_remote_pfx);
if (!ip46_address_is_multicast (&t->remote))
{
/* Unicast tunnel -
@@ -618,8 +619,6 @@ int vnet_vxlan_gpe_add_del_tunnel
* with different VNIs, create the output fib adjacency only if
* it does not already exist
*/
- fib_protocol_t fp = fib_ip_proto (is_ip6);
-
if (vtep_addr_ref (&ngm->vtep_table,
t->encap_fib_index, &t->remote) == 1)
{
diff --git a/src/vnet/vxlan/vxlan.c b/src/vnet/vxlan/vxlan.c
index f670ee9c764..1871e5d71d2 100644
--- a/src/vnet/vxlan/vxlan.c
+++ b/src/vnet/vxlan/vxlan.c
@@ -537,7 +537,8 @@ int vnet_vxlan_add_del_tunnel
fib_prefix_t tun_dst_pfx;
vnet_flood_class_t flood_class = VNET_FLOOD_CLASS_TUNNEL_NORMAL;
- fib_prefix_from_ip46_addr (&t->dst, &tun_dst_pfx);
+ fib_protocol_t fp = fib_ip_proto (is_ip6);
+ fib_prefix_from_ip46_addr (fp, &t->dst, &tun_dst_pfx);
if (!ip46_address_is_multicast (&t->dst))
{
/* Unicast tunnel -
@@ -561,8 +562,6 @@ int vnet_vxlan_add_del_tunnel
* with different VNIs, create the output fib adjacency only if
* it does not already exist
*/
- fib_protocol_t fp = fib_ip_proto (is_ip6);
-
if (vtep_addr_ref (&vxm->vtep_table,
t->encap_fib_index, &t->dst) == 1)
{