add custom corpus import mode for db sync

Author: hl4x

Sources/Fuzzilli/Base/ProgramOrigin.swift

@@ -75,12 +75,17 @@ public enum CorpusImportMode: Equatable {
     /// Only programs that increase coverage are included in the fuzzing corpus.
     case interestingOnly(shouldMinimize: Bool)
 
+    /// The program was synced from postgres 
+    case databaseSync
+
     public func requiresMinimization() -> Bool {
         switch self {
         case .full:
             return false
         case .interestingOnly(let shouldMinimize):
             return shouldMinimize
+        case .databaseSync:
+            return false
         }
     }
 }

Sources/Fuzzilli/Fuzzer.swift

@@ -771,7 +771,11 @@ public class Fuzzer {
                 }
             }
             assert(!program.code.contains(where: { $0.op is JsInternalOperation }))
-            dispatchEvent(events.InterestingProgramFound, data: (program, aspects, origin, execution))
+
+            // Don't dispatch events for programs synced from the database
+            if origin != .corpusImport(mode: .databaseSync) {
+                dispatchEvent(events.InterestingProgramFound, data: (program, aspects, origin, execution))
+            }
 
             // If we're running in static corpus mode, we only add programs to our corpus during corpus import.
             if !config.staticCorpus || origin.isFromCorpusImport() {

Sources/Fuzzilli/Modules/PostgreSQLSync.swift

@@ -70,7 +70,7 @@ public class PostgreSQLSync: Module {
                 // Import each program into the fuzzer's corpus
                 for program in programs {
                     fuzzer.async {
-                        fuzzer.importProgram(program, origin: .corpusImport(mode: .full), enableDropout: false)
+                        fuzzer.importProgram(program, origin: .corpusImport(mode: .databaseSync), enableDropout: false)
                     }
                 }
 
@@ -413,7 +413,7 @@ public class PostgreSQLSync: Module {
 
                 for (program, _) in newPrograms {
                     fuzzer.async {
-                        fuzzer.importProgram(program, origin: .corpusImport(mode: .full), enableDropout: false)
+                        fuzzer.importProgram(program, origin: .corpusImport(mode: .databaseSync), enableDropout: false)
                     }
                 }
             }