From 65570216b406f7f71c96ddbafb10ee766b1a8ee5 Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis@chromium.org>
Date: Wed, 20 Jan 2021 15:17:51 -0500
Subject: oss-fuzz: Try harder to fix build

Apparently memfd_create() is newish in glibc, and oss-fuzz
uses Ubuntu 16.04 as base for its docker images, which doens't
yet have memfd_create(). But, not to worry, it does have the syscall
define and that's all we really need :/
---
 Userland/Libraries/LibCore/AnonymousBuffer.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'Userland')

diff --git a/Userland/Libraries/LibCore/AnonymousBuffer.cpp b/Userland/Libraries/LibCore/AnonymousBuffer.cpp
index d3087363b2..40853ff732 100644
--- a/Userland/Libraries/LibCore/AnonymousBuffer.cpp
+++ b/Userland/Libraries/LibCore/AnonymousBuffer.cpp
@@ -37,6 +37,16 @@
 #    include <serenity.h>
 #endif
 
+#if defined(__linux__) && !defined(MFD_CLOEXEC)
+#    include <linux/memfd.h>
+#    include <sys/syscall.h>
+
+static int memfd_create(const char* name, unsigned int flags)
+{
+    return syscall(SYS_memfd_create, name, flags);
+}
+#endif
+
 namespace Core {
 
 AnonymousBuffer AnonymousBuffer::create_with_size(size_t size)
-- 
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