Bug 285489 – REGRESSION (288228@main): Compilation fails with Fuzzilli enabled

• Status: RESOLVED
• Resolution: FIXED
• Component: JavaScriptCore

[Jikai Ren]

Bug Introduce Commit: https://github.com/WebKit/WebKit/commit/e3bc80970566b176f6f2e02c0ffbf3323c0eb19e

Patch:
```diff
diff --git a/Source/JavaScriptCore/fuzzilli/Fuzzilli.cpp b/Source/JavaScriptCore/fuzzilli/Fuzzilli.cpp
index a3d45a9011c5..722e59816d9d 100644
--- a/Source/JavaScriptCore/fuzzilli/Fuzzilli.cpp
+++ b/Source/JavaScriptCore/fuzzilli/Fuzzilli.cpp
@@ -21,12 +21,18 @@
 #include "config.h"
 #include "Fuzzilli.h"
 
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
 #include <mutex>
 #include <wtf/Assertions.h>
 #include <wtf/Compiler.h>
 #include <wtf/DataLog.h>
 #include <wtf/NeverDestroyed.h>
 #include <wtf/StdLibExtras.h>
+#include <wtf/text/ASCIILiteral.h>
 
 #if ENABLE(FUZZILLI)
 
@@ -139,7 +145,7 @@ void Fuzzilli::initializeReprl()
     WRITE_TO_FUZZILLI(helo.data(), helo.size());
     READ_FROM_FUZZILLI(helo.data(), helo.size());
 
-    RELEASE_ASSERT_WITH_MESSAGE(equalSpans(helo, "HELO"_span), "[REPRL] Invalid response from parent");
+    RELEASE_ASSERT_WITH_MESSAGE(equalSpans(std::span{helo}, "HELO"_span), "[REPRL] Invalid response from parent");
 
     // Mmap the data input buffer.
     reprlInputData = static_cast<char*>(mmap(0, REPRL_MAX_DATA_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, REPRL_DRFD, 0));

```

[Alexey Proskuryakov]

Thank you for the report! Would you be willing to submit the patch as a GitHub PR for merging into WebKit, https://webkit.org/contributing-code/ ?

[Jikai Ren]

(In reply to Alexey Proskuryakov from comment #1)
> Thank you for the report! Would you be willing to submit the patch as a
> GitHub PR for merging into WebKit, https://webkit.org/contributing-code/ ?

Sure. Progress will be updated here later.

[Jikai Ren]

Pull request: https://github.com/WebKit/WebKit/pull/38696

[Alexey Proskuryakov]

https://commits.webkit.org/288622@main