Kernel: Add guard pages to kernel and userspace stacks

kernel/kernel/Networking/IPv4Layer.cpp

@@ -35,7 +35,7 @@ namespace Kernel
 			~(uintptr_t)0,
 			pending_packet_buffer_size,
 			PageTable::Flags::ReadWrite | PageTable::Flags::Present,
-			true
+			true, false
 		));
 		ipv4_manager->m_arp_table = TRY(ARPTable::create());
 		return ipv4_manager;

kernel/kernel/Networking/Loopback.cpp

@@ -16,7 +16,7 @@ namespace Kernel
 			BAN::numeric_limits<vaddr_t>::max(),
 			buffer_size,
 			PageTable::Flags::ReadWrite | PageTable::Flags::Present,
-			true
+			true, false
 		));
 		loopback->set_ipv4_address({ 127, 0, 0, 1 });
 		loopback->set_netmask({ 255, 0, 0, 0 });

kernel/kernel/Networking/TCPSocket.cpp

@@ -32,7 +32,7 @@ namespace Kernel
 			~(vaddr_t)0,
 			s_recv_window_buffer_size,
 			PageTable::Flags::ReadWrite | PageTable::Flags::Present,
-			true
+			true, false
 		));
 		socket->m_recv_window.scale_shift = PAGE_SIZE_SHIFT; // use PAGE_SIZE windows
 		socket->m_send_window.buffer = TRY(VirtualRange::create_to_vaddr_range(
@@ -41,7 +41,7 @@ namespace Kernel
 			~(vaddr_t)0,
 			s_send_window_buffer_size,
 			PageTable::Flags::ReadWrite | PageTable::Flags::Present,
-			true
+			true, false
 		));
 		socket->m_thread = TRY(Thread::create_kernel(
 			[](void* socket_ptr)

kernel/kernel/Networking/UDPSocket.cpp

@@ -17,7 +17,7 @@ namespace Kernel
 			~(uintptr_t)0,
 			packet_buffer_size,
 			PageTable::Flags::ReadWrite | PageTable::Flags::Present,
-			true
+			true, false
 		));
 		return socket;
 	}

kernel/kernel/Networking/UNIX/Socket.cpp

@@ -29,7 +29,7 @@ namespace Kernel
 			~(uintptr_t)0,
 			s_packet_buffer_size,
 			PageTable::Flags::ReadWrite | PageTable::Flags::Present,
-			true
+			true, false
 		));
 		return socket;
 	}