[dumpling] Print differential to console.

Danylo Mocherniuk · V8-internal LUCI CQ · commit 45507ee563d3 · 2026-01-30T06:28:26.000-08:00
Bug: 441467877 Change-Id: Id3793d3065384bfb2e190c626ed014782d9ebb63 Reviewed-on: https://chrome-internal-review.googlesource.com/c/v8/fuzzilli/+/8977176 Reviewed-by: Michael Achenbach <machenbach@google.com> Commit-Queue: Danylo Mocherniuk <mdanylo@google.com>
diff --git a/Sources/FuzzilliCli/TerminalUI.swift b/Sources/FuzzilliCli/TerminalUI.swift
@@ -52,6 +52,13 @@ class TerminalUI {
             }
         }
 
+        fuzzer.registerEventListener(for: fuzzer.events.DifferentialFound) { differential in
+            if differential.isUnique {
+                print("########## Unique Differential Found ##########")
+                print(fuzzer.lifter.lift(differential.program, withOptions: .includeComments))
+            }
+        }
+
         fuzzer.registerEventListener(for: fuzzer.events.CrashFound) { crash in
             if crash.isUnique {
                 print("########## Unique Crash Found ##########")

Original file line number	Diff line number	Diff line change
`@@ -52,6 +52,13 @@ class TerminalUI {`
`52`	`52`	`}`
`53`	`53`	`}`
`54`	`54`
	`55`	`+ fuzzer.registerEventListener(for: fuzzer.events.DifferentialFound) { differential in`
	`56`	`+ if differential.isUnique {`
	`57`	`+ print("########## Unique Differential Found ##########")`
	`58`	`+ print(fuzzer.lifter.lift(differential.program, withOptions: .includeComments))`
	`59`	`+ }`
	`60`	`+ }`
	`61`	`+`
`55`	`62`	`fuzzer.registerEventListener(for: fuzzer.events.CrashFound) { crash in`
`56`	`63`	`if crash.isUnique {`
`57`	`64`	`print("########## Unique Crash Found ##########")`