1import os
2
3import infra.basetest
4
5FUZZ_TIMEOUT = 120
6
7
8class TestClangCompilerRT(infra.basetest.BRTest):
9    br2_external = [infra.filepath("tests/package/br2-external/clang-compiler-rt")]
10    config = \
11        """
12        BR2_aarch64=y
13        BR2_TOOLCHAIN_EXTERNAL=y
14        BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
15        BR2_LINUX_KERNEL=y
16        BR2_LINUX_KERNEL_CUSTOM_VERSION=y
17        BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.19.283"
18        BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
19        BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/aarch64-virt/linux.config"
20        BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
21        BR2_PACKAGE_COMPILER_RT=y
22        BR2_PACKAGE_LLVM=y
23        BR2_TARGET_ROOTFS_CPIO=y
24        BR2_TARGET_ROOTFS_CPIO_GZIP=y
25        # BR2_TARGET_ROOTFS_TAR is not set
26        BR2_PACKAGE_LIBFUZZER=y
27        """
28
29    def login(self):
30        img = os.path.join(self.builddir, "images", "rootfs.cpio.gz")
31        kern = os.path.join(self.builddir, "images", "Image")
32        # Sanitizers overallocate memory and the minimum that seemed to work was 512MB
33        self.emulator.boot(arch="aarch64",
34                           kernel=kern,
35                           kernel_cmdline=["console=ttyAMA0"],
36                           options=["-M", "virt", "-cpu", "cortex-a53", "-m", "512", "-initrd", img])
37        self.emulator.login()
38
39    def test_run(self):
40        self.login()
41
42        # The test case verifies the application executes and that
43        # the symbolizer is working to decode the stack trace.
44        cmd = "fuzz_me 2>&1 | grep heap-buffer-overflow"
45        _, exit_code = self.emulator.run(cmd, FUZZ_TIMEOUT)
46        self.assertEqual(exit_code, 0)
47