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authorBenoît Ganne <bganne@cisco.com>2020-04-16 12:38:48 +0200
committerNeale Ranns <nranns@cisco.com>2020-04-16 17:17:12 +0000
commit95eb01fdc65b692065ace6d76870d8cc9f3e2c84 (patch)
treefea1e7923d53c2d7d9f1e1c4568ccd91c61af0db /src/vnet/mfib/mfib_entry.c
parentea9bc28592473e24c6dff85735e7e101a9dde4d4 (diff)
fib: fix use-after-free
Type: fix Change-Id: Ie7081d977dd0d3e7d09bc0d1b4d53863288e443b Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/vnet/mfib/mfib_entry.c')
-rw-r--r--src/vnet/mfib/mfib_entry.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/src/vnet/mfib/mfib_entry.c b/src/vnet/mfib/mfib_entry.c
index 448e6c5e0a8..c08565d966c 100644
--- a/src/vnet/mfib/mfib_entry.c
+++ b/src/vnet/mfib/mfib_entry.c
@@ -1144,18 +1144,18 @@ mfib_entry_path_remove (fib_node_index_t mfib_entry_index,
mfib_entry_itf_remove(msrc, rpath->frp_sw_if_index);
}
}
-
- if (mfib_entry_src_ok_for_delete(msrc))
- {
- /*
- * this source has no interfaces and no flags.
- * it has nothing left to give - remove it
- */
- mfib_entry_src_remove(mfib_entry, source);
- }
}
vec_free(path_indices);
+ if (mfib_entry_src_ok_for_delete(msrc))
+ {
+ /*
+ * this source has no interfaces and no flags.
+ * it has nothing left to give - remove it
+ */
+ mfib_entry_src_remove(mfib_entry, source);
+ }
+
mfib_entry_recalculate_forwarding(mfib_entry, current_best);
return (mfib_entry_ok_for_delete(mfib_entry));
@@ -1491,7 +1491,8 @@ mfib_entry_contribute_forwarding (fib_node_index_t mfib_entry_index,
/*
* caller does not want the local paths that the entry has
*/
- dpo_set(dpo, DPO_REPLICATE, rep->rep_proto,
+ dpo_proto_t rep_proto = rep->rep_proto;
+ dpo_set(dpo, DPO_REPLICATE, rep_proto,
replicate_dup(REPLICATE_FLAGS_NONE,
mfib_entry->mfe_rep.dpoi_index));
}