The following issues were found

tools/testing/kunit/qemu_configs/i386.py
2 issues
Attempted relative import beyond top-level package
Error

Line: 1 Column: 1 

              from ..qemu_config import QemuArchParams

QEMU_ARCH = QemuArchParams(linux_arch='i386',
			   kconfig='''
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y''',
			   qemu_arch='x86_64',
			   kernel_path='arch/x86/boot/bzImage',
			   kernel_command_line='console=ttyS0',

Reported by Pylint.

Missing module docstring
Error

Line: 1 Column: 1 

              from ..qemu_config import QemuArchParams

QEMU_ARCH = QemuArchParams(linux_arch='i386',
			   kconfig='''
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y''',
			   qemu_arch='x86_64',
			   kernel_path='arch/x86/boot/bzImage',
			   kernel_command_line='console=ttyS0',

Reported by Pylint.

tools/testing/kunit/qemu_configs/powerpc.py
2 issues
Attempted relative import beyond top-level package
Error

Line: 1 Column: 1 

              from ..qemu_config import QemuArchParams

QEMU_ARCH = QemuArchParams(linux_arch='powerpc',
			   kconfig='''
CONFIG_PPC64=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_HVC_CONSOLE=y''',
			   qemu_arch='ppc64',

Reported by Pylint.

Missing module docstring
Error

Line: 1 Column: 1 

              from ..qemu_config import QemuArchParams

QEMU_ARCH = QemuArchParams(linux_arch='powerpc',
			   kconfig='''
CONFIG_PPC64=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_HVC_CONSOLE=y''',
			   qemu_arch='ppc64',

Reported by Pylint.

sound/usb/quirks.c
2 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 1100 Column: 2 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              	dev_info(&dev->dev, "Waiting for MOTU Microbook II to boot up...\n");

	/* First we tell the device which sample rate to use. */
	memcpy(buf, set_samplerate_seq, sizeof(set_samplerate_seq));
	actual_length = sizeof(set_samplerate_seq);
	err = snd_usb_motu_microbookii_communicate(dev, buf, MICROBOOK_BUF_SIZE,
						   &actual_length);

	if (err < 0) {

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 1122 Column: 3 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              		}

		memset(buf, 0, MICROBOOK_BUF_SIZE);
		memcpy(buf, poll_ready_seq, sizeof(poll_ready_seq));

		actual_length = sizeof(poll_ready_seq);
		err = snd_usb_motu_microbookii_communicate(
			dev, buf, MICROBOOK_BUF_SIZE, &actual_length);
		if (err < 0) {

Reported by FlawFinder.

tools/testing/selftests/powerpc/math/vmx_signal.c
2 issues
srand - This function is not sufficiently random for security-related functions such as key and nonce creation
Security

Line: 83 Column: 2 CWE codes: 327
Suggestion: Use a more secure technique for acquiring random values 

              	if (rc)
		return p;

	srand(pthread_self());
	for (i = 0; i < 12; i++)
		for (j = 0; j < 4; j++)
			varray[i][j] = rand();

	rc = preempt_vmx(varray, &threads_starting, &running);

Reported by FlawFinder.

usleep - This C routine is considered obsolete (as opposed to the shell command by the same name). The interaction of this function with SIGALRM and other timer functions such as sleep(), alarm(), setitimer(), and nanosleep() is unspecified
Security

Line: 117 Column: 3 CWE codes: 676
Suggestion: Use nanosleep(2) or setitimer(2) instead 

              	printf("\tWaiting for %d workers to start... %d", threads, threads_starting);
	while (threads_starting) {
		asm volatile("": : :"memory");
		usleep(1000);
		printf(", %d", threads_starting);
	}
	printf(" ...done\n");

	printf("\tSending signals to all threads %d times...", ITERATIONS);

Reported by FlawFinder.

tools/testing/kunit/qemu_configs/s390.py
2 issues
Attempted relative import beyond top-level package
Error

Line: 1 Column: 1 

              from ..qemu_config import QemuArchParams

QEMU_ARCH = QemuArchParams(linux_arch='s390',
			   kconfig='''
CONFIG_EXPERT=y
CONFIG_TUNE_ZEC12=y
CONFIG_NUMA=y
CONFIG_MODULES=y''',
			   qemu_arch='s390x',

Reported by Pylint.

Missing module docstring
Error

Line: 1 Column: 1 

              from ..qemu_config import QemuArchParams

QEMU_ARCH = QemuArchParams(linux_arch='s390',
			   kconfig='''
CONFIG_EXPERT=y
CONFIG_TUNE_ZEC12=y
CONFIG_NUMA=y
CONFIG_MODULES=y''',
			   qemu_arch='s390x',

Reported by Pylint.

tools/testing/kunit/qemu_configs/sparc.py
2 issues
Attempted relative import beyond top-level package
Error

Line: 1 Column: 1 

              from ..qemu_config import QemuArchParams

QEMU_ARCH = QemuArchParams(linux_arch='sparc',
			   kconfig='''
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y''',
			   qemu_arch='sparc',
			   kernel_path='arch/sparc/boot/zImage',
			   kernel_command_line='console=ttyS0 mem=256M',

Reported by Pylint.

Missing module docstring
Error

Line: 1 Column: 1 

              from ..qemu_config import QemuArchParams

QEMU_ARCH = QemuArchParams(linux_arch='sparc',
			   kconfig='''
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y''',
			   qemu_arch='sparc',
			   kernel_path='arch/sparc/boot/zImage',
			   kernel_command_line='console=ttyS0 mem=256M',

Reported by Pylint.

tools/testing/kunit/qemu_configs/x86_64.py
2 issues
Attempted relative import beyond top-level package
Error

Line: 1 Column: 1 

              from ..qemu_config import QemuArchParams

QEMU_ARCH = QemuArchParams(linux_arch='x86_64',
			   kconfig='''
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y''',
			   qemu_arch='x86_64',
			   kernel_path='arch/x86/boot/bzImage',
			   kernel_command_line='console=ttyS0',

Reported by Pylint.

Missing module docstring
Error

Line: 1 Column: 1 

              from ..qemu_config import QemuArchParams

QEMU_ARCH = QemuArchParams(linux_arch='x86_64',
			   kconfig='''
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y''',
			   qemu_arch='x86_64',
			   kernel_path='arch/x86/boot/bzImage',
			   kernel_command_line='console=ttyS0',

Reported by Pylint.

tools/testing/selftests/powerpc/tm/tm-unavailable.c
2 issues
failed to expand 'pr_err', Invalid ## usage when expanding 'err_at_line'.
Error

Line: 37 

              #define VSX_UNA_EXCEPTION	2

#define NUM_EXCEPTIONS		3
#define err_at_line(status, errnum, format, ...) \
	error_at_line(status, errnum,  __FILE__, __LINE__, format ##__VA_ARGS__)

#define pr_warn(code, format, ...) err_at_line(0, code, format, ##__VA_ARGS__)
#define pr_err(code, format, ...) err_at_line(1, code, format, ##__VA_ARGS__)

Reported by Cppcheck.

printf - If format strings can be influenced by an attacker, they can be exploited
Security

Line: 274 Column: 4 CWE codes: 134
Suggestion: Use a constant for the format specification 

              	/* Check VEC (vs32) for the expected value. */
	if (high_vs32 != 0x5555555555555555 || low_vs32 != 0xFFFFFFFFFFFFFFFF) {
		printf("VEC corrupted!");
			printf("  high = %#16" PRIx64 "  low = %#16" PRIx64,
				high_vs32, low_vs32);
		flags.result++;
	} else
		printf("VEC ok");

Reported by FlawFinder.

tools/testing/selftests/net/socket.c
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 39 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              
static int run_tests(void)
{
	char err_string1[ERR_STRING_SZ];
	char err_string2[ERR_STRING_SZ];
	int i, err;

	err = 0;
	for (i = 0; i < ARRAY_SIZE(tests); i++) {

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 40 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              static int run_tests(void)
{
	char err_string1[ERR_STRING_SZ];
	char err_string2[ERR_STRING_SZ];
	int i, err;

	err = 0;
	for (i = 0; i < ARRAY_SIZE(tests); i++) {
		struct socket_testcase *s = &tests[i];

Reported by FlawFinder.

tools/testing/selftests/net/reuseport_bpf_numa.c
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 75 Column: 9 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              
static void attach_bpf(int fd)
{
	static char bpf_log_buf[65536];
	static const char bpf_license[] = "";

	int bpf_fd;
	const struct bpf_insn prog[] = {
		/* R0 = bpf_get_numa_node_id() */

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 165 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              {
	struct epoll_event ev;
	int i, fd;
	char buf[8];

	i = epoll_wait(epfd, &ev, 1, -1);
	if (i < 0)
		error(1, errno, "epoll_wait failed");

Reported by FlawFinder.