Fixed findings

List of Findings

Error: GCC_ANALYZER_WARNING (CWE-401): [#def1]
libbpf-1.4.6-build/libbpf-1.4.6/include/linux/err.h:15:16: warning[-Wanalyzer-malloc-leak]: leak of ‘<unknown>’
libbpf-1.4.6-build/libbpf-1.4.6/src/btf.c: scope_hint: In function ‘btf_new’
#   13|   static inline void * ERR_PTR(long error_)
#   14|   {
#   15|-> 	return (void *) error_;
#   16|   }
#   17|   

Error: GCC_ANALYZER_WARNING (CWE-401): [#def2]
libbpf-1.4.6-build/libbpf-1.4.6/include/linux/err.h:15:16: warning[-Wanalyzer-malloc-leak]: leak of ‘btf’
libbpf-1.4.6-build/libbpf-1.4.6/src/btf.c: scope_hint: In function ‘btf_new’
#   13|   static inline void * ERR_PTR(long error_)
#   14|   {
#   15|-> 	return (void *) error_;
#   16|   }
#   17|   

Error: GCC_ANALYZER_WARNING (CWE-476): [#def3]
libbpf-1.4.6-build/libbpf-1.4.6/src/btf.c: scope_hint: In function ‘btf__str_by_offset’
libbpf-1.4.6-build/libbpf-1.4.6/src/btf.c:1501:25: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘btf’
libbpf-1.4.6-build/libbpf-1.4.6/src/btf.c: scope_hint: In function ‘btf__str_by_offset’
libbpf-1.4.6-build/libbpf-1.4.6/src/btf.c: scope_hint: In function ‘btf__str_by_offset’
libbpf-1.4.6-build/libbpf-1.4.6/src/btf.c: scope_hint: In function ‘btf__str_by_offset’
# 1499|   const char *btf__str_by_offset(const struct btf *btf, __u32 offset)
# 1500|   {
# 1501|-> 	if (offset < btf->start_str_off)
# 1502|   		return btf__str_by_offset(btf->base_btf, offset);
# 1503|   	else if (offset - btf->start_str_off < btf->hdr->str_len)

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