syz-cluster: skip fuzzing if binaries are the same

If all symbol hashes between the base and the pathed kernel match,
there's no reason to spend time fuzzing the series.

Add a 'skipped' status to the enum of possible session test results and
set it from the fuzz-step.

3 files changed, 7 insertions, 0 deletions

diff --git a/syz-cluster/pkg/api/api.go b/syz-cluster/pkg/api/api.go
index 60c106254..65f0f4bd2 100644
--- a/syz-cluster/pkg/api/api.go
+++ b/syz-cluster/pkg/api/api.go
@@ -73,6 +73,7 @@ type Build struct {
 const (
 	TestRunning string = "running"
 	TestPassed  string = "passed"
+	TestSkipped string = "skipped"
 	TestFailed  string = "failed" // TODO: drop it? only mark completion?
 	TestError   string = "error"
 )
diff --git a/syz-cluster/pkg/db/migrations/5_session_test_skipped.down.sql b/syz-cluster/pkg/db/migrations/5_session_test_skipped.down.sql
new file mode 100644
index 000000000..dbda912f2
--- /dev/null
+++ b/syz-cluster/pkg/db/migrations/5_session_test_skipped.down.sql
@@ -0,0 +1,3 @@
+ALTER TABLE SessionTests DROP CONSTRAINT ResultEnum;
+ALTER TABLE SessionTests ADD CONSTRAINT ResultEnum CHECK (Result IN ('passed', 'failed', 'error', 'running'));
+DROP INDEX SessionTestsByResult;
diff --git a/syz-cluster/pkg/db/migrations/5_session_test_skipped.up.sql b/syz-cluster/pkg/db/migrations/5_session_test_skipped.up.sql
new file mode 100644
index 000000000..8509fd816
--- /dev/null
+++ b/syz-cluster/pkg/db/migrations/5_session_test_skipped.up.sql
@@ -0,0 +1,3 @@
+ALTER TABLE SessionTests DROP CONSTRAINT ResultEnum;
+ALTER TABLE SessionTests ADD CONSTRAINT ResultEnum CHECK (Result IN ('passed', 'failed', 'error', 'running', 'skipped'));
+CREATE INDEX SessionTestsByResult ON SessionTests(SessionID, Result);