Line: 280 Column: 9 CWE codes: 126
Suggestion: This function is often discouraged by most C++ coding standards in favor of its safer alternatives provided since C++14. Consider using a form of this function that checks the second iterator before potentially overflowing it

              			    struct hist_entry *a, struct hist_entry *b);
	int64_t (*sort)(struct perf_hpp_fmt *fmt,
			struct hist_entry *a, struct hist_entry *b);
	bool (*equal)(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);
	void (*free)(struct perf_hpp_fmt *fmt);

	struct list_head list;
	struct list_head sort_list;
	bool elide;

            

Line: 234 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

              	uint32_t flags;
	enum intel_pt_insn_op insn_op;
	int insn_len;
	char insn[INTEL_PT_INSN_BUF_SZ];
	struct intel_pt_blk_items items;
};

struct intel_pt_insn;


            

Line: 42 Column: 11 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

              	enum intel_pt_insn_branch	branch;
	int				length;
	int32_t				rel;
	unsigned char			buf[INTEL_PT_INSN_BUF_SZ];
};

int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64,
		      struct intel_pt_insn *intel_pt_insn);


            

Line: 129 Column: 13 CWE codes: 126

              debug_entry_next(struct debug_entry *ent)
{
	void *a = ent + 1;
	size_t l = strlen(ent->name) + 1;
	return a + l;
}

static inline char *
debug_entry_file(struct debug_entry *ent)

            

Line: 107 Column: 24 CWE codes: 134
Suggestion: Use a constant for the format specification

              
extern void libbpf_print(enum libbpf_print_level level,
			 const char *format, ...)
	__attribute__((format(printf, 2, 3)));

#define __pr(level, fmt, ...)	\
do {				\
	libbpf_print(level, "libbpf: " fmt, ##__VA_ARGS__);	\
} while (0)

            

Line: 24 Column: 14 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 ERRCODE_OFFSET(c)	ERRNO_OFFSET(LIBBPF_ERRNO__##c)
#define NR_ERRNO	(__LIBBPF_ERRNO__END - __LIBBPF_ERRNO__START)

static const char *libbpf_strerror_table[NR_ERRNO] = {
	[ERRCODE_OFFSET(LIBELF)]	= "Something wrong in libelf",
	[ERRCODE_OFFSET(FORMAT)]	= "BPF object format invalid",
	[ERRCODE_OFFSET(KVERSION)]	= "'version' section incorrect or lost",
	[ERRCODE_OFFSET(ENDIAN)]	= "Endian mismatch",
	[ERRCODE_OFFSET(INTERNAL)]	= "Internal error in libbpf",

            

Line: 285 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

              	u64 start;
	u64 end;
	u64 pgoff;
	char name[KMAP_NAME_LEN];
};

int machine__create_extra_kernel_map(struct machine *machine,
				     struct dso *kernel,
				     struct extra_kernel_map *xm);

            

Line: 1426 Column: 3 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

              	dup_cnt = btf_dump_name_dups(d, name_map, orig_name);
	if (dup_cnt > 1) {
		const size_t max_len = 256;
		char new_name[max_len];

		snprintf(new_name, max_len, "%s___%zu", orig_name, dup_cnt);
		*cached_name = strdup(new_name);
	}


            

Line: 48 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 kmap {
	struct ref_reloc_sym *ref_reloc_sym;
	struct maps	     *kmaps;
	char		     name[KMAP_NAME_LEN];
};

struct maps *maps__new(struct machine *machine);
void maps__delete(struct maps *maps);
bool maps__empty(struct maps *maps);

            

Line: 31 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

              #define MASK_SIZE 1023
void mmap_cpu_mask__scnprintf(struct mmap_cpu_mask *mask, const char *tag)
{
	char buf[MASK_SIZE + 1];
	size_t len;

	len = bitmap_scnprintf(mask->bits, mask->nbits, buf, MASK_SIZE);
	buf[len] = '\0';
	pr_debug("%p: %s mask[%zd]: %s\n", mask, tag, mask->nbits, buf);