diff options
author | 2019-03-06 11:59:57 +0100 | |
---|---|---|
committer | 2019-10-03 16:11:41 +0000 | |
commit | 35a265ceaef4af68e4d1d817447b0b895176a6ff (patch) | |
tree | 45884086bdf037a1c87adebc515a03d1ebcad101 /src/vnet/srv6/sr_policy_rewrite.c | |
parent | 09c91fe62775817a143a491ed999ddec30b8042b (diff) |
ip: respect buffer boundary when searching for ipv6 headers
Type: fix
Change-Id: I5a5461652f8115fa1270e20f748178fb5f5450f2
Signed-off-by: Klement Sekera <ksekera@cisco.com>
(cherry picked from commit 769145cdbc28324bd0b6304951199ec3d6e0e883)
Diffstat (limited to 'src/vnet/srv6/sr_policy_rewrite.c')
-rwxr-xr-x | src/vnet/srv6/sr_policy_rewrite.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/src/vnet/srv6/sr_policy_rewrite.c b/src/vnet/srv6/sr_policy_rewrite.c index aa2f0670c51..feac151665a 100755 --- a/src/vnet/srv6/sr_policy_rewrite.c +++ b/src/vnet/srv6/sr_policy_rewrite.c @@ -2921,7 +2921,6 @@ sr_policy_rewrite_b_encaps (vlib_main_t * vm, vlib_node_runtime_t * node, ip6_header_t *ip0, *ip1, *ip2, *ip3; ip6_header_t *ip0_encap, *ip1_encap, *ip2_encap, *ip3_encap; ip6_sr_header_t *sr0, *sr1, *sr2, *sr3; - ip6_ext_header_t *prev0, *prev1, *prev2, *prev3; ip6_sr_sl_t *sl0, *sl1, *sl2, *sl3; /* Prefetch next iteration. */ @@ -2985,14 +2984,18 @@ sr_policy_rewrite_b_encaps (vlib_main_t * vm, vlib_node_runtime_t * node, ip2_encap = vlib_buffer_get_current (b2); ip3_encap = vlib_buffer_get_current (b3); - ip6_ext_header_find_t (ip0_encap, prev0, sr0, - IP_PROTOCOL_IPV6_ROUTE); - ip6_ext_header_find_t (ip1_encap, prev1, sr1, - IP_PROTOCOL_IPV6_ROUTE); - ip6_ext_header_find_t (ip2_encap, prev2, sr2, - IP_PROTOCOL_IPV6_ROUTE); - ip6_ext_header_find_t (ip3_encap, prev3, sr3, - IP_PROTOCOL_IPV6_ROUTE); + sr0 = + ip6_ext_header_find (vm, b0, ip0_encap, IP_PROTOCOL_IPV6_ROUTE, + NULL); + sr1 = + ip6_ext_header_find (vm, b1, ip1_encap, IP_PROTOCOL_IPV6_ROUTE, + NULL); + sr2 = + ip6_ext_header_find (vm, b2, ip2_encap, IP_PROTOCOL_IPV6_ROUTE, + NULL); + sr3 = + ip6_ext_header_find (vm, b3, ip3_encap, IP_PROTOCOL_IPV6_ROUTE, + NULL); end_bsid_encaps_srh_processing (node, b0, ip0_encap, sr0, &next0); end_bsid_encaps_srh_processing (node, b1, ip1_encap, sr1, &next1); @@ -3078,7 +3081,6 @@ sr_policy_rewrite_b_encaps (vlib_main_t * vm, vlib_node_runtime_t * node, u32 bi0; vlib_buffer_t *b0; ip6_header_t *ip0 = 0, *ip0_encap = 0; - ip6_ext_header_t *prev0; ip6_sr_header_t *sr0; ip6_sr_sl_t *sl0; u32 next0 = SR_POLICY_REWRITE_NEXT_IP6_LOOKUP; @@ -3098,8 +3100,9 @@ sr_policy_rewrite_b_encaps (vlib_main_t * vm, vlib_node_runtime_t * node, vec_len (sl0->rewrite)); ip0_encap = vlib_buffer_get_current (b0); - ip6_ext_header_find_t (ip0_encap, prev0, sr0, - IP_PROTOCOL_IPV6_ROUTE); + sr0 = + ip6_ext_header_find (vm, b0, ip0_encap, IP_PROTOCOL_IPV6_ROUTE, + NULL); end_bsid_encaps_srh_processing (node, b0, ip0_encap, sr0, &next0); clib_memcpy_fast (((u8 *) ip0_encap) - vec_len (sl0->rewrite), |