session: fix use-after-free

[vpp.git] / src / vnet / udp / udp.c

diff --git a/src/vnet/udp/udp.c b/src/vnet/udp/udp.c
index 949c635..fbd9e98 100644 (file)
--- a/src/vnet/udp/udp.c
+++ b/src/vnet/udp/udp.c
@@ -58,9 +58,10 @@ udp_connection_alloc (u32 thread_index)
 void
 udp_connection_free (udp_connection_t * uc)
 {
-  pool_put (udp_main.connections[uc->c_thread_index], uc);
+  u32 thread_index = uc->c_thread_index;
   if (CLIB_DEBUG)
     clib_memset (uc, 0xFA, sizeof (*uc));
+  pool_put (udp_main.connections[thread_index], uc);
 }
 
 void