From 5bc3be51cc65ecf6d4532ac7c93b6d5d284d5a38 Mon Sep 17 00:00:00 2001
From: kalder <61064868+kalder@users.noreply.github.com>
Date: Mon, 6 Feb 2023 09:03:38 -0800
Subject: executor: fix initialize_tun() for Android (#3656)

Android devices often fail during the initial check with the error:

SYZFAIL: tun: ioctl(TUNSETIFF) failed

We need the same namespacing here that is used for other sandboxing
configurations.
---
 pkg/csource/generated.go | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'pkg/csource')

diff --git a/pkg/csource/generated.go b/pkg/csource/generated.go
index 3921d1b6e..32a65e53f 100644
--- a/pkg/csource/generated.go
+++ b/pkg/csource/generated.go
@@ -10324,6 +10324,10 @@ static int do_sandbox_android(uint64 sandbox_arg)
 #if SYZ_EXECUTOR || SYZ_NET_DEVICES
 	initialize_netdevices_init();
 #endif
+	if (unshare(CLONE_NEWNET)) {
+		debug("unshare(CLONE_NEWNET): %d\n", errno);
+	}
+	write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
 #if SYZ_EXECUTOR || SYZ_DEVLINK_PCI
 	initialize_devlink_pci();
 #endif
-- 
cgit mrf-deployment