Fix RESOURCE_EXHAUSTED in KeySetWrite (#28456)

* Fix RESOURCE_EXHAUSTED in KeySetWrite * Restyled by prettier-yaml --------- Co-authored-by: [email protected] <[email protected]> Co-authored-by: Restyled.io <[email protected]> Co-authored-by: Andrei Litvin <[email protected]>
project-chip · Oct 20, 2023 · 65ff526 · 65ff526
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commit 65ff526
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Showing 4 changed files with 332 additions and 219 deletions.
diff --git a/src/app/clusters/group-key-mgmt-server/group-key-mgmt-server.cpp b/src/app/clusters/group-key-mgmt-server/group-key-mgmt-server.cpp
@@ -500,6 +500,12 @@ bool emberAfGroupKeyManagementClusterKeySetWriteCallback(
 
     // Set KeySet
     err = provider->SetKeySet(fabric->GetFabricIndex(), compressed_fabric_id, keyset);
+    if (CHIP_ERROR_INVALID_LIST_LENGTH == err)
+    {
+        commandObj->AddStatusAndLogIfFailure(commandPath, Status::ResourceExhausted, "Not enough space left to add a new KeySet");
+        return true;
+    }
+
     if (CHIP_NO_ERROR == err)
     {
         ChipLogDetail(Zcl, "GroupKeyManagementCluster: KeySetWrite OK");

diff --git a/src/app/tests/suites/TestGroupKeyManagementCluster.yaml b/src/app/tests/suites/TestGroupKeyManagementCluster.yaml
@@ -538,6 +538,25 @@ tests:
                     # Note: There's always an IPK keyset with index 0
                     contains: [0x01a1, 0x01a2, 0]
 
+    - label: "Write one keyset too many when already full"
+      command: "KeySetWrite"
+      arguments:
+          values:
+              - name: "GroupKeySet"
+                value:
+                    {
+                        GroupKeySetID: 0x0222,
+                        GroupKeySecurityPolicy: 0,
+                        EpochKey0: "\xd1\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf",
+                        EpochStartTime0: 3110000,
+                        EpochKey1: "\xe1\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef",
+                        EpochStartTime1: 3110001,
+                        EpochKey2: "\xf1\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff",
+                        EpochStartTime2: 3110002,
+                    }
+      response:
+          error: RESOURCE_EXHAUSTED
+
     - label: "Write Group Keys (invalid)"
       command: "writeAttribute"
       attribute: "GroupKeyMap"