From 85e3967b6760964878004bcfbbe9b1db3063e17c Mon Sep 17 00:00:00 2001
From: Arusekk <floss@arusekk.pl>
Date: Mon, 12 Jan 2026 16:44:10 +0100
Subject: [PATCH] do not crash on kernels without CONFIG_MEMFD_CREATE

---
 frontends/tiny/wl.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/frontends/tiny/wl.c b/frontends/tiny/wl.c
index a6664b124..dc24e50ae 100644
--- a/frontends/tiny/wl.c
+++ b/frontends/tiny/wl.c
@@ -653,6 +653,22 @@ redraw(void *data)
 	pixman_region32_clear(&p->damage);
 }
 
+static int
+memfd(void)
+{
+	int fd;
+	char template[] = "/tmp/netsurf-XXXXXX";
+
+	fd = syscall(SYS_memfd_create, "netsurf", 0);
+	if (fd >= 0)
+		return fd;
+	fd = mkstemp(template);
+	if (fd < 0)
+		return fd;
+	(void)unlink(template);
+	return fd;
+}
+
 static struct wlimage *
 createimage(int w, int h)
 {
@@ -665,7 +681,7 @@ createimage(int w, int h)
 		goto err0;
 	stride = w * 4;
 	i->size = h * stride;
-	fd = syscall(SYS_memfd_create, "netsurf", 0);
+	fd = memfd();
 	if (fd < 0)
 		goto err1;
 	if (posix_fallocate(fd, 0, i->size) < 0)