From: Razvan Becheriu <razvan@isc.org>
Date: Fri, 14 Mar 2025 08:01:44 +0000 (+0200)
Subject: [#3648] drop packet on db race
X-Git-Tag: Kea-2.7.7~71
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ae7cddb5d879644b6d27e8c776e6ab3f06a8c5cf;p=thirdparty%2Fkea.git

[#3648] drop packet on db race
---

diff --git a/src/lib/dhcpsrv/alloc_engine.cc b/src/lib/dhcpsrv/alloc_engine.cc
index 67c85f1ce9..1294e999e4 100644
--- a/src/lib/dhcpsrv/alloc_engine.cc
+++ b/src/lib/dhcpsrv/alloc_engine.cc
@@ -15,6 +15,7 @@
 #include <dhcpsrv/alloc_engine.h>
 #include <dhcpsrv/alloc_engine_log.h>
 #include <dhcpsrv/cfgmgr.h>
+#include <dhcpsrv/dhcpsrv_exceptions.h>
 #include <dhcpsrv/dhcpsrv_log.h>
 #include <dhcpsrv/host_mgr.h>
 #include <dhcpsrv/host.h>
@@ -629,6 +630,9 @@ AllocEngine::allocateLeases6(ClientContext6& ctx) {
             return (leases);
         }
 
+    } catch (const NoSuchLease&) {
+        throw;
+
     } catch (const isc::Exception& e) {
 
         // Some other error, return an empty lease.
@@ -2182,6 +2186,9 @@ AllocEngine::renewLeases6(ClientContext6& ctx) {
 
         return (leases);
 
+    } catch (const NoSuchLease&) {
+        throw;
+
     } catch (const isc::Exception& e) {
 
         // Some other error, return an empty lease.
@@ -3746,6 +3753,9 @@ AllocEngine::allocateLease4(ClientContext4& ctx) {
             ctx.new_lease_ = requestLease4(ctx);
         }
 
+    } catch (const NoSuchLease&) {
+        throw;
+
     } catch (const isc::Exception& e) {
         // Some other error, return an empty lease.
         LOG_ERROR(alloc_engine_logger, ALLOC_ENGINE_V4_ALLOC_ERROR)