The following issues were found

tools/testing/selftests/bpf/progs/bpf_flow.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 320 Column: 2 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              		return export_flow_keys(keys, BPF_DROP);

	keys->addr_proto = ETH_P_IPV6;
	memcpy(&keys->ipv6_src, &ip6h->saddr, 2*sizeof(ip6h->saddr));

	keys->thoff += sizeof(struct ipv6hdr);
	keys->ip_proto = ip6h->nexthdr;
	keys->flow_label = ip6_flowlabel(ip6h);

Reported by FlawFinder.

tools/testing/selftests/bpf/progs/bpf_iter_task_vma.c
1 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 21 Column: 1 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 

              #define MINOR(dev)	((unsigned int) ((dev) & MINORMASK))

#define D_PATH_BUF_SIZE 1024
char d_path_buf[D_PATH_BUF_SIZE] = {};
__u32 pid = 0;

SEC("iter/task_vma") int proc_maps(struct bpf_iter__task_vma *ctx)
{
	struct vm_area_struct *vma = ctx->vma;

Reported by FlawFinder.

tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c
1 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 54 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 

              };

union jump_code_union {
	char code[5];
	struct {
		char jump;
		int offset;
	} __attribute__((packed));
};

Reported by FlawFinder.

tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c
1 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 96 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 

              /* ------ END-EXPECTED-OUTPUT ------ */

struct zone_padding {
	char x[0];
} __attribute__((__aligned__(8)));

struct zone {
	int a;
	short b;

Reported by FlawFinder.

tools/testing/selftests/bpf/progs/freplace_connect4.c
1 issues
There is an unknown macro here somewhere. Configuration is required. If SEC is a macro then please configure it.
Error

Line: 9 

              #include <bpf/bpf_helpers.h>
#include <bpf/bpf_endian.h>

SEC("freplace/do_bind")
int new_do_bind(struct bpf_sock_addr *ctx)
{
  struct sockaddr_in sa = {};

  bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa));

Reported by Cppcheck.

tools/testing/selftests/bpf/progs/freplace_connect_v4_prog.c
1 issues
There is an unknown macro here somewhere. Configuration is required. If SEC is a macro then please configure it.
Error

Line: 12 

              #include <bpf/bpf_helpers.h>
#include <bpf/bpf_endian.h>

SEC("freplace/connect_v4_prog")
int new_connect_v4_prog(struct bpf_sock_addr *ctx)
{
	// return value thats in invalid range
	return 255;
}

Reported by Cppcheck.

tools/testing/selftests/bpf/progs/lsm.c
1 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 112 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 

              {
	__u32 pid = bpf_get_current_pid_tgid() >> 32;
	struct inner_map *inner_map;
	char args[64];
	__u32 key = 0;
	__u64 *value;

	if (monitored_pid == pid)
		bprm_count++;

Reported by FlawFinder.

tools/testing/selftests/bpf/progs/recvmsg4_prog.c
1 issues
There is an unknown macro here somewhere. Configuration is required. If SEC is a macro then please configure it.
Error

Line: 16 

              #define SERV4_IP		0xc0a801feU /* 192.168.1.254 */
#define SERV4_PORT		4040

SEC("cgroup/recvmsg4")
int recvmsg4_prog(struct bpf_sock_addr *ctx)
{
	struct bpf_sock *sk;
	__u32 user_ip4;
	__u16 user_port;

Reported by Cppcheck.

tools/testing/selftests/bpf/progs/recvmsg6_prog.c
1 issues
There is an unknown macro here somewhere. Configuration is required. If SEC is a macro then please configure it.
Error

Line: 19 

              #define SERV6_IP_3		0x0000abcd
#define SERV6_PORT		6060

SEC("cgroup/recvmsg6")
int recvmsg6_prog(struct bpf_sock_addr *ctx)
{
	struct bpf_sock *sk;
	__u32 user_ip4;
	__u16 user_port;

Reported by Cppcheck.

tools/testing/selftests/bpf/progs/sockopt_sk.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 153 Column: 3 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              		if (optval + 5 > optval_end)
			return 0; /* EPERM, bounds check */

		memcpy(optval, "cubic", 5);
		ctx->optlen = 5;

		return 1;
	}

Reported by FlawFinder.