>>> bpftool v7.1.0 Extracting gzip -d -c /home/buildroot/instance-0/dl/bpftool/bpftool-v7.1.0-br1.tar.gz | tar --strip-components=1 -C /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0 -xf - >>> bpftool v7.1.0 Patching >>> bpftool v7.1.0 Configuring >>> bpftool v7.1.0 Building GIT_DIR=. PATH="/home/buildroot/instance-0/output-1/host/bin:/home/buildroot/instance-0/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" GIT_DIR=. PATH="/home/buildroot/instance-0/output-1/host/bin:/home/buildroot/instance-0/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" AR="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-gcc-ar" AS="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-as" LD="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-ld" NM="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-gcc-nm" CC="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-gcc" GCC="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-gcc" CPP="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-cpp" CXX="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-g++" FC="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-gfortran" F77="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-gfortran" RANLIB="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-gcc-ranlib" READELF="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-readelf" STRIP="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-strip" OBJCOPY="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-objcopy" OBJDUMP="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-objdump" AR_FOR_BUILD="/usr/bin/ar" AS_FOR_BUILD="/usr/bin/as" CC_FOR_BUILD="/usr/bin/gcc" GCC_FOR_BUILD="/usr/bin/gcc" CXX_FOR_BUILD="/usr/bin/g++" LD_FOR_BUILD="/usr/bin/ld" CPPFLAGS_FOR_BUILD="-I/home/buildroot/instance-0/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/buildroot/instance-0/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/buildroot/instance-0/output-1/host/include" LDFLAGS_FOR_BUILD="-L/home/buildroot/instance-0/output-1/host/lib -Wl,-rpath,/home/buildroot/instance-0/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-as" DEFAULT_LINKER="/home/buildroot/instance-0/output-1/host/bin/x86_64-linux-ld" CPPFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g0 -D_FORTIFY_SOURCE=2" CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g0 -D_FORTIFY_SOURCE=2" LDFLAGS="" FCFLAGS=" -O2 -g0" FFLAGS=" -O2 -g0" PKG_CONFIG="/home/buildroot/instance-0/output-1/host/bin/pkg-config" STAGING_DIR="/home/buildroot/instance-0/output-1/host/x86_64-buildroot-linux-gnu/sysroot" INTLTOOL_PERL=/usr/bin/perl /usr/bin/make -j17 -C /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src make[1]: Entering directory '/home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src' ... libbfd: [ on ] ... clang-bpf-co-re: [ on ] ... llvm: [ on ] ... libcap: [ on ] MKDIR /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/ MKDIR /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/include/bpf MKDIR /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/include/bpf MKDIR /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/ MKDIR /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/ INSTALL /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/include/bpf/hashmap.h INSTALL /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/include/bpf/relo_core.h INSTALL /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/include/bpf/libbpf_internal.h make[2]: Entering directory '/home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/libbpf/src' make[2]: Entering directory '/home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/libbpf/src' INSTALL /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/include/bpf/hashmap.h INSTALL /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/include/bpf/nlattr.h INSTALL /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/include/bpf/relo_core.h INSTALL /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/include/bpf/libbpf_internal.h MKDIR /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs INSTALL bpf.h libbpf.h btf.h libbpf_common.h libbpf_legacy.h bpf_helpers.h bpf_helper_defs.h bpf_tracing.h bpf_endian.h bpf_core_read.h skel_internal.h libbpf_version.h usdt.bpf.h MKDIR /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/bpf.o INSTALL bpf.h libbpf.h btf.h libbpf_common.h libbpf_legacy.h bpf_helpers.h bpf_helper_defs.h bpf_tracing.h bpf_endian.h bpf_core_read.h skel_internal.h libbpf_version.h usdt.bpf.h CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/btf.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/libbpf.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/bpf.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/libbpf_errno.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/netlink.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/btf.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/nlattr.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/libbpf.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/str_error.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/libbpf_errno.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/libbpf_probes.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/bpf_prog_linfo.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/netlink.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/btf_dump.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/nlattr.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/hashmap.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/ringbuf.o libbpf_errno.c: In function 'libbpf_strerror': libbpf_errno.c:65:11: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 65 | if (ret >= size) | ^~ libbpf_errno.c:72:10: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 72 | if (ret >= size) | ^~ bpf.c: In function 'alloc_zero_tailing_info': bpf.c:219:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 219 | for (i = 0; i < cnt; i++) { | ^ btf_dump.c: In function 'pfx': btf_dump.c:30:13: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 30 | return lvl >= PREFIX_CNT ? PREFIXES : &PREFIXES[PREFIX_CNT - lvl]; | ^~ netlink.c: In function 'libbpf_netlink_recv': netlink.c:151:11: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 151 | if (len > iov.iov_len) { | ^ netlink.c:172:22: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 172 | if (nh->nlmsg_seq != seq) { | ^~ btf_dump.c: In function 'btf_dump_emit_bit_padding': btf_dump.c:894:16: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 894 | for (i = 0; i < ARRAY_SIZE(pads); i++) { | ^ btf_dump.c: In function 'btf_dump_emit_missing_aliases': btf_dump.c:1046:16: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 1046 | for (i = 0; i < ARRAY_SIZE(missing_base_types); i++) { | ^ netlink.c: In function 'tc_add_fd_and_name': netlink.c:606:10: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 606 | if (len >= sizeof(name)) | ^~ btf_dump.c: In function 'btf_dump_int_data': btf_dump.c:1871:20: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 1871 | if (sz == 0 || sz > sizeof(buf)) { | ^ btf_dump.c: In function 'btf_dump_enum_data': btf_dump.c:2214:14: warning: comparison of integer expressions of different signedness: '__s64' {aka 'long long int'} and '__u64' {aka 'long long unsigned int'} [-Wsign-compare] 2214 | if (value != btf_enum64_value(e)) | ^~ CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/strset.o btf_dump.c: In function 'btf_dump_type_data_check_zero': btf_dump.c:2346:17: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'const unsigned int'} [-Wsign-compare] 2346 | for (i = 0; i < array->nelems; i++) { | ^ libbpf.c: In function 'bpf_object__add_programs': libbpf.c:804:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 804 | for (i = 0; i < nr_syms; i++) { | ^ libbpf.c: In function 'find_struct_ops_kern_types': libbpf.c:983:30: warning: comparison of integer expressions of different signedness: '__u32' {aka 'const unsigned int'} and '__s32' {aka 'int'} [-Wsign-compare] 983 | if (kern_data_member->type == kern_type_id) | ^~ libbpf.c: In function 'internal_map_name': libbpf.c:1561:14: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 1561 | if (sfx_len >= BPF_OBJ_NAME_LEN) | ^~ libbpf.c: In function 'bpf_object__init_global_data_maps': libbpf.c:1683:28: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1683 | for (sec_idx = 1; sec_idx < obj->efile.sec_cnt; sec_idx++) { | ^ libbpf.c: In function 'set_kcfg_value_str': libbpf.c:1791:10: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 1791 | if (len >= ext->kcfg.sz) { | ^~ libbpf.c: In function 'pathname_concat': libbpf.c:2149:10: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 2149 | if (len >= buf_sz) | ^~ libbpf.c: In function 'bpf_object__sanitize_btf': btf.c: In function 'btf_type_by_id': btf.c:466:14: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 466 | if (type_id < btf->start_id) | ^ libbpf.c:2701:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 2701 | for (i = 1; i < btf__type_cnt(btf); i++) { | ^ btf.c: In function 'determine_ptr_size': btf.c:513:17: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 513 | for (j = 0; j < ARRAY_SIZE(long_aliases); j++) { | ^ btf.c: In function 'btf_ptr_sz': btf.c:526:44: warning: operand of '?:' changes signedness from 'int' to 'long unsigned int' due to unsignedness of other operand [-Wsign-compare] 526 | return btf->ptr_sz < 0 ? sizeof(void *) : btf->ptr_sz; | ^~~~~~~~~~~ libbpf.c: In function 'bpf_object__init_btf': libbpf.c:2839:29: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 2839 | for (seg_num = 0; seg_num < ARRAY_SIZE(ext_segs); seg_num++) { | ^ libbpf_errno.c: In function 'libbpf_strerror': libbpf_errno.c:65:25: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 65 | if (ret >= size) | ^~ libbpf_errno.c:72:17: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 72 | if (ret >= size) | ^~ libbpf.c: In function 'bpf_object__sanitize_and_load_btf': libbpf.c:3099:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 3099 | for (i = 0; i < obj->nr_programs; i++) { | ^ nlattr.c: In function 'validate_nla': nlattr.c:65:26: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 65 | if (libbpf_nla_len(nla) < minlen) | ^ bpf.c: In function 'alloc_zero_tailing_info': bpf.c:219:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 219 | for (i = 0; i < cnt; i++) { | ^ libbpf.c: In function 'bpf_object__elf_collect': libbpf.c:3498:21: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 3498 | targ_sec_idx >= obj->efile.sec_cnt) | ^~ libbpf.c:3525:52: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 3525 | if (!obj->efile.strtabidx || obj->efile.strtabidx > idx) { | ^ btf.c: In function 'btf_parse_raw': btf.c:1108:28: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'long int' [-Wsign-compare] 1108 | if (fread(data, 1, sz, f) < sz) { | ^ libbpf.c: In function 'find_extern_sec_btf_id': libbpf.c:3615:17: warning: comparison of integer expressions of different signedness: '__u32' {aka 'const unsigned int'} and 'int' [-Wsign-compare] 3615 | if (vs->type == ext_btf_id) | ^~ btf.c: In function 'btf_get_raw_data': btf.c:1284:17: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'const unsigned int'} [-Wsign-compare] 1284 | for (i = 0; i < btf->nr_types; i++) { | ^ btf.c: In function 'btf__str_by_offset': btf.c:1331:13: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 1331 | if (offset < btf->start_str_off) | ^ btf.c: In function 'validate_type_id': btf.c:1846:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 1846 | if (id < 0 || id > BTF_MAX_NR_TYPES) | ^ libbpf.c: In function 'prog_is_subprog': libbpf.c:3957:23: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'const long unsigned int'} and 'int' [-Wsign-compare] 3957 | return prog->sec_idx == obj->efile.text_shndx && obj->nr_programs > 1; | ^~ libbpf.c: In function 'bpf_program__record_reloc': libbpf.c:4064:29: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 4064 | if (!shdr_idx || shdr_idx != obj->efile.text_shndx) { | ^~ CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/linker.o btf.c: In function 'btf_dedup_clear_hypot_map': btf.c:3179:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 3179 | for (i = 0; i < d->hypot_cnt; i++) | ^ btf.c: In function 'btf_for_each_str_off': btf.c:3282:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 3282 | for (i = 0; i < d->btf->nr_types; i++) { | ^ btf.c: In function 'strs_dedup_remap_str_off': CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/gen_loader.o btf.c:3308:30: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 3308 | if (str_off == 0 || str_off < d->btf->start_str_off) | ^ nlattr.c: In function 'validate_nla': nlattr.c:65:33: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 65 | if (libbpf_nla_len(nla) < minlen) | ^ libbpf.c: In function 'init_map_in_map_slots': libbpf.c:5136:16: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 5136 | for (i = 0; i < map->init_slots_sz; i++) { | ^ btf.c: In function 'btf_hash_struct': btf.c:3514:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 3514 | for (i = 0; i < vlen; i++) { | ^ libbpf.c: In function 'init_prog_array_slots': libbpf.c:5175:16: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 5175 | for (i = 0; i < map->init_slots_sz; i++) { | ^ libbpf.c: In function 'bpf_object_init_prog_arrays': libbpf.c:5204:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 5204 | for (i = 0; i < obj->nr_maps; i++) { | ^ btf.c: In function 'btf_dedup_prim_types': btf.c:3833:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 3833 | for (i = 0; i < d->btf->nr_types; i++) { | ^ strset.c: In function 'strset__new': strset.c:66:21: warning: comparison of integer expressions of different signedness: 'long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 66 | for (off = 0; off < set->strs_data_len; off += strlen(set->strs_data + off) + 1) { | ^ btf.c: In function 'btf_type_by_id': btf.c:466:21: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 466 | if (type_id < btf->start_id) | ^ btf.c: In function 'determine_ptr_size': btf.c:513:31: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 513 | for (j = 0; j < ARRAY_SIZE(long_aliases); j++) { | ^ btf.c: In function 'btf_dedup_is_equiv': btf.c: In function 'btf_ptr_sz': btf.c:526:51: warning: operand of '?:' changes signedness from 'int' to 'long unsigned int' due to unsignedness of other operand [-Wsign-compare] 526 | return btf->ptr_sz < 0 ? sizeof(void *) : btf->ptr_sz; | ^~~~~~~~~~~ btf.c:4086:42: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 4086 | if (fwd_kind == real_kind && canon_id < d->btf->start_id) | ^ libbpf.c: In function 'bpf_core_find_cands': btf.c: In function 'btf_dedup_merge_hypot_map': netlink.c: In function 'libbpf_netlink_recv': netlink.c:151:25: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 151 | if (len > iov.iov_len) { | ^ btf.c:4213:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 4213 | for (i = 0; i < d->hypot_cnt; i++) { | ^ libbpf.c:5568:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 5568 | for (i = 0; i < obj->btf_module_cnt; i++) { | ^ netlink.c:172:43: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 172 | if (nh->nlmsg_seq != seq) { | ^~ CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/str_error.o btf.c: In function 'btf_dedup_struct_types': In file included from libbpf.c:54: libbpf.c: In function 'bpf_object__relocate_core': btf.c:4353:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 4353 | for (i = 0; i < d->btf->nr_types; i++) { | ^ libbpf_internal.h:399:9: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'const unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ libbpf.c:5748:3: note: in expansion of macro 'for_each_btf_ext_rec' 5748 | for_each_btf_ext_rec(seg, sec, i, rec) { | ^~~~~~~~~~~~~~~~~~~~ libbpf.c:5777:17: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 5777 | if (insn_idx >= prog->insns_cnt) | ^~ btf.c: In function 'btf_parse_raw': btf.c: In function 'btf_dedup_ref_types': libbpf.c: In function 'bpf_object__add_programs': btf.c:1108:35: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'long int' [-Wsign-compare] 1108 | if (fread(data, 1, sz, f) < sz) { | ^ libbpf.c:804:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 804 | for (i = 0; i < nr_syms; i++) { | ^ btf.c:4515:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 4515 | for (i = 0; i < d->btf->nr_types; i++) { | ^ In file included from libbpf.c:55: hashmap.h:179:20: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 179 | for (bkt = 0; bkt < map->cap; bkt++) \ | ^ libbpf.c:5813:3: note: in expansion of macro 'hashmap__for_each_entry' 5813 | hashmap__for_each_entry(cand_cache, entry, i) { | ^~~~~~~~~~~~~~~~~~~~~~~ CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/relo_core.o libbpf.c: In function 'adjust_prog_btf_ext_info': netlink.c: In function 'tc_add_fd_and_name': libbpf.c: In function 'find_struct_ops_kern_types': netlink.c:606:17: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 606 | if (len >= sizeof(name)) | ^~ libbpf.c:5968:21: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'const long unsigned int'} and 'int' [-Wsign-compare] 5968 | if (prog->sec_idx != sec_idx) | ^~ btf.c: In function 'btf_dedup_resolve_fwds': btf.c: In function 'btf_get_raw_data': libbpf.c:983:44: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and '__s32' {aka 'int'} [-Wsign-compare] 983 | if (kern_data_member->type == kern_type_id) | ^~ btf.c:4643:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 4643 | for (i = 0; i < d->btf->nr_types; i++) { | ^ btf.c:1284:31: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 1284 | for (i = 0; i < btf->nr_types; i++) { | ^ In file included from libbpf.c:54: libbpf_internal.h:399:9: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'const unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ libbpf.c:5971:3: note: in expansion of macro 'for_each_btf_ext_rec' 5971 | for_each_btf_ext_rec(ext_info, sec, i, rec) { | ^~~~~~~~~~~~~~~~~~~~ btf.c: In function 'btf_dedup_compact_types': btf.c:4678:39: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 4678 | for (i = 0, id = d->btf->start_id; i < d->btf->nr_types; i++, id++) | ^ btf.c: In function 'btf__str_by_offset': btf.c:4683:39: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 4683 | for (i = 0, id = d->btf->start_id; i < d->btf->nr_types; i++, id++) { | ^ btf.c:1331:20: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 1331 | if (offset < btf->start_str_off) | ^ btf.c:4684:18: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 4684 | if (d->map[id] != id) | ^~ btf.c: In function 'btf_dedup_remap_types': libbpf.c: In function 'cmp_relo_by_insn_idx': btf.c:4747:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 4747 | for (i = 0; i < d->btf->nr_types; i++) { | ^ libbpf.c:6097:15: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 6097 | if (insn_idx == relo->insn_idx) | ^~ btf.c: In function 'btf__load_vmlinux_btf': btf.c:4790:16: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 4790 | for (i = 0; i < ARRAY_SIZE(locations); i++) { | ^ libbpf.c:6099:18: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 6099 | return insn_idx < relo->insn_idx ? -1 : 1; | ^ In file included from btf.c:22: btf.c: In function 'btf_ext_visit_type_ids': libbpf_internal.h:399:9: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ btf.c:4959:3: note: in expansion of macro 'for_each_btf_ext_rec' 4959 | for_each_btf_ext_rec(seg, sec, i, rec) { | ^~~~~~~~~~~~~~~~~~~~ libbpf_internal.h:399:9: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ btf.c:4970:3: note: in expansion of macro 'for_each_btf_ext_rec' 4970 | for_each_btf_ext_rec(seg, sec, i, rec) { | ^~~~~~~~~~~~~~~~~~~~ btf.c: In function 'btf_ext_visit_str_offs': libbpf.c: In function 'internal_map_name': libbpf_internal.h:399:9: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ btf.c:5001:3: note: in expansion of macro 'for_each_btf_ext_rec' 5001 | for_each_btf_ext_rec(seg, sec, i, rec) { | ^~~~~~~~~~~~~~~~~~~~ libbpf.c: In function 'bpf_object__relocate_calls': libbpf.c:1561:21: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 1561 | if (sfx_len >= BPF_OBJ_NAME_LEN) | ^~ libbpf.c:6352:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6352 | for (i = 0; i < obj->nr_programs; i++) { | ^ libbpf_internal.h:399:9: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ btf.c:5019:3: note: in expansion of macro 'for_each_btf_ext_rec' 5019 | for_each_btf_ext_rec(seg, sec, i, rec) { | ^~~~~~~~~~~~~~~~~~~~ libbpf.c: In function 'bpf_object__free_relocs': libbpf.c:6374:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6374 | for (i = 0; i < obj->nr_programs; i++) { | ^ libbpf.c: In function 'bpf_object__sort_relos': btf.c: In function 'validate_type_id': libbpf.c:6400:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6400 | for (i = 0; i < obj->nr_programs; i++) { | ^ libbpf.c: In function 'bpf_object__init_global_data_maps': btf.c:1846:26: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 1846 | if (id < 0 || id > BTF_MAX_NR_TYPES) | ^ libbpf.c: In function 'bpf_object__relocate': libbpf.c:1683:35: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1683 | for (sec_idx = 1; sec_idx < obj->efile.sec_cnt; sec_idx++) { | ^ libbpf.c:6436:17: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 6436 | for (j = 0; j < prog->nr_reloc; j++) { | ^ libbpf.c: In function 'set_kcfg_value_str': libbpf.c:1791:17: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 1791 | if (len >= ext->kcfg.sz) { | ^~ libbpf.c: In function 'bpf_object__collect_map_relos': libbpf.c:6534:17: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6534 | for (j = 0; j < obj->nr_maps; j++) { | ^ libbpf.c:6544:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6544 | if (j == obj->nr_maps) { | ^~ libbpf.c:6609:12: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 6609 | if (moff >= map->init_slots_sz) { | ^~ libbpf.c: In function 'bpf_object__collect_relos': libbpf.c:6632:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6632 | for (i = 0; i < obj->efile.sec_cnt; i++) { | ^ libbpf.c: In function 'pathname_concat': libbpf.c:2149:17: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 2149 | if (len >= buf_sz) | ^~ libbpf.c: In function 'bpf_object__sanitize_prog': libbpf.c:6686:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6686 | for (i = 0; i < prog->insns_cnt; i++, insn++) { | ^ libbpf.c: In function 'bpf_object_load_prog': libbpf.c:6886:18: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6886 | for (i = 0; i < obj->nr_maps; i++) { | ^ libbpf.c: In function 'fixup_log_failed_core_relo': libbpf.c:7024:33: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 7024 | insn_idx, spec_buf, spec_len >= sizeof(spec_buf) ? "..." : ""); | ^~ libbpf.c: In function 'fixup_log_missing_map_load': libbpf.c:7050:29: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 7050 | if (map_idx < 0 || map_idx >= obj->nr_maps) | ^~ libbpf.c: In function 'fixup_verifier_log': libbpf.c:7076:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'const long unsigned int'} [-Wsign-compare] 7076 | for (i = 0; i < max_last_line_cnt; i++, next_line = cur_line) { | ^ libbpf.c: In function 'bpf_object__sanitize_btf': libbpf.c:2701:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 2701 | for (i = 1; i < btf__type_cnt(btf); i++) { | ^ btf.c: In function 'btf_dedup_clear_hypot_map': libbpf.c: In function 'bpf_object__init_btf': btf.c:3179:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 3179 | for (i = 0; i < d->hypot_cnt; i++) | ^ libbpf.c:2839:43: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 2839 | for (seg_num = 0; seg_num < ARRAY_SIZE(ext_segs); seg_num++) { | ^ btf.c: In function 'btf_for_each_str_off': CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/staticobjs/usdt.o libbpf.c: In function 'find_ksym_btf_id': btf.c:3282:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 3282 | for (i = 0; i < d->btf->nr_types; i++) { | ^ libbpf.c:7448:17: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 7448 | for (i = 0; i < obj->btf_module_cnt; i++) { | ^ btf.c: In function 'strs_dedup_remap_str_off': btf.c:3308:37: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 3308 | if (str_off == 0 || str_off < d->btf->start_str_off) | ^ libbpf.c: In function 'bpf_object__sanitize_and_load_btf': libbpf.c:3099:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 3099 | for (i = 0; i < obj->nr_programs; i++) { | ^ btf.c: In function 'btf_hash_struct': CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/libbpf_probes.o libbpf.c: In function 'bpf_object_load': libbpf.c:7747:17: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 7747 | for (i = 0; i < obj->nr_maps; i++) | ^ btf.c:3514:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 3514 | for (i = 0; i < vlen; i++) { | ^ libbpf.c:7757:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 7757 | for (i = 0; i < obj->btf_module_cnt; i++) { | ^ libbpf.c:7776:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 7776 | for (i = 0; i < obj->nr_maps; i++) | ^ linker.c: In function 'linker_sanity_check_elf_symtab': linker.c:774:48: warning: comparison of integer expressions of different signedness: 'Elf64_Word' {aka 'unsigned int'} and 'int' [-Wsign-compare] 774 | if (!sec->shdr->sh_link || sec->shdr->sh_link >= obj->sec_cnt) { | ^~ linker.c: In function 'linker_sanity_check_elf_relos': linker.c:856:48: warning: comparison of integer expressions of different signedness: 'Elf64_Word' {aka 'unsigned int'} and 'int' [-Wsign-compare] 856 | if (!sec->shdr->sh_info || sec->shdr->sh_info >= obj->sec_cnt) { | ^~ btf.c: In function 'btf_dedup_prim_types': linker.c: In function 'sec_content_is_same': linker.c:1072:22: warning: comparison of integer expressions of different signedness: 'int' and 'Elf64_Xword' {aka 'long unsigned int'} [-Wsign-compare] 1072 | if (dst_sec->sec_sz != src_sec->shdr->sh_size) | ^~ btf.c:3833:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 3833 | for (i = 0; i < d->btf->nr_types; i++) { | ^ relo_core.c: In function 'is_flex_arr': relo_core.c:83:18: warning: comparison of integer expressions of different signedness: '__u32' {aka 'const unsigned int'} and 'int' [-Wsign-compare] 83 | return acc->idx == btf_vlen(t) - 1; | ^~ libbpf.c: In function 'bpf_object__elf_collect': relo_core.c: In function 'bpf_core_parse_spec': relo_core.c:374:28: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'const unsigned int'} [-Wsign-compare] 374 | if (!flex && access_idx >= a->nelems) | ^~ libbpf.c:3498:42: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 3498 | targ_sec_idx >= obj->efile.sec_cnt) | ^~ linker.c: In function 'find_glob_sym_btf': linker.c:1691:25: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'const unsigned int'} [-Wsign-compare] 1691 | if (btf_id && btf_id != vi->type) { | ^~ libbpf.c:3525:59: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 3525 | if (!obj->efile.strtabidx || obj->efile.strtabidx > idx) { | ^ CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/bpf_prog_linfo.o relo_core.c: In function 'bpf_core_patch_insn': relo_core.c:1052:34: warning: comparison of integer expressions of different signedness: '__s32' {aka 'int'} and '__u64' {aka 'long long unsigned int'} [-Wsign-compare] 1052 | if (res->validate && insn->imm != orig_val) { | ^~ relo_core.c:1068:34: warning: comparison of integer expressions of different signedness: '__s16' {aka 'short int'} and '__u64' {aka 'long long unsigned int'} [-Wsign-compare] 1068 | if (res->validate && insn->off != orig_val) { | ^~ btf.c: In function 'btf_dedup_is_equiv': relo_core.c:1096:22: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'const unsigned int'} [-Wsign-compare] 1096 | if (insn_bytes_sz != res->orig_sz) { | ^~ relo_core.c: In function 'bpf_core_format_spec': relo_core.c:1168:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1178:2: note: in expansion of macro 'append_buf' 1178 | append_buf("<%s> [%u] %s %s", | ^~~~~~~~~~ relo_core.c:1168:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1194:4: note: in expansion of macro 'append_buf' 1194 | append_buf(fmt_str, s, e->val); | ^~~~~~~~~~ btf.c:4086:63: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 4086 | if (fwd_kind == real_kind && canon_id < d->btf->start_id) | ^ relo_core.c:1168:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1202:4: note: in expansion of macro 'append_buf' 1202 | append_buf(fmt_str, s, (unsigned long long)btf_enum64_value(e)); | ^~~~~~~~~~ relo_core.c:1168:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1210:5: note: in expansion of macro 'append_buf' 1210 | append_buf(".%s", spec->spec[i].name); | ^~~~~~~~~~ relo_core.c:1168:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1212:5: note: in expansion of macro 'append_buf' 1212 | append_buf("[%u]", spec->spec[i].idx); | ^~~~~~~~~~ libbpf.c: In function 'find_extern_sec_btf_id': relo_core.c:1168:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1215:3: note: in expansion of macro 'append_buf' 1215 | append_buf(" ("); | ^~~~~~~~~~ libbpf.c: In function '__bpf_program__iter': relo_core.c:1168:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1217:4: note: in expansion of macro 'append_buf' 1217 | append_buf("%s%d", i == 0 ? "" : ":", spec->raw_spec[i]); | ^~~~~~~~~~ linker.c: In function 'linker_append_btf_ext': relo_core.c:1168:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1220:4: note: in expansion of macro 'append_buf' 1220 | append_buf(" @ offset %u.%u)", spec->bit_offset / 8, spec->bit_offset % 8); | ^~~~~~~~~~ linker.c:2452:33: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 2452 | if (dst_sec->func_info.rec_sz != rec_sz) { | ^~ libbpf.c:8315:10: warning: comparison of integer expressions of different signedness: 'ssize_t' {aka 'long int'} and 'size_t' {aka 'const long unsigned int'} [-Wsign-compare] 8315 | if (idx >= obj->nr_programs || idx < 0) | ^~ relo_core.c:1168:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1222:4: note: in expansion of macro 'append_buf' 1222 | append_buf(" @ offset %u)", spec->bit_offset / 8); | ^~~~~~~~~~ In file included from linker.c:21: libbpf_internal.h:399:9: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'const unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ linker.c:2457:3: note: in expansion of macro 'for_each_btf_ext_rec' 2457 | for_each_btf_ext_rec(&obj->btf_ext->func_info, ext_sec, i, src_rec) { | ^~~~~~~~~~~~~~~~~~~~ libbpf.c:3615:38: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 3615 | if (vs->type == ext_btf_id) | ^~ linker.c:2481:33: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 2481 | if (dst_sec->line_info.rec_sz != rec_sz) { | ^~ In file included from linker.c:21: libbpf_internal.h:399:9: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'const unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ linker.c:2486:3: note: in expansion of macro 'for_each_btf_ext_rec' 2486 | for_each_btf_ext_rec(&obj->btf_ext->line_info, ext_sec, i, src_rec) { | ^~~~~~~~~~~~~~~~~~~~ linker.c:2523:38: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 2523 | if (dst_sec->core_relo_info.rec_sz != rec_sz) { | ^~ In file included from linker.c:21: libbpf_internal.h:399:9: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'const unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ linker.c:2528:3: note: in expansion of macro 'for_each_btf_ext_rec' 2528 | for_each_btf_ext_rec(&obj->btf_ext->core_relo_info, ext_sec, i, src_rec) { | ^~~~~~~~~~~~~~~~~~~~ btf.c: In function 'btf_dedup_merge_hypot_map': btf.c:4213:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 4213 | for (i = 0; i < d->hypot_cnt; i++) { | ^ gen_loader.c: In function 'bpf_gen__init': gen_loader.c:144:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 144 | for (i = 0; i < nr_progs_sz; i += 4) { | ^ btf.c: In function 'btf_dedup_struct_types': btf.c:4353:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 4353 | for (i = 0; i < d->btf->nr_types; i++) { | ^ gen_loader.c: In function 'bpf_gen__finish': gen_loader.c:374:15: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 374 | if (nr_progs < gen->nr_progs || nr_maps != gen->nr_maps) { | ^ gen_loader.c:374:42: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 374 | if (nr_progs < gen->nr_progs || nr_maps != gen->nr_maps) { | ^~ libbpf.c: In function 'libbpf_unregister_prog_handler': gen_loader.c:381:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 381 | for (i = 0; i < gen->nr_progs; i++) | ^ gen_loader.c:388:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 388 | for (i = 0; i < gen->nr_maps; i++) | ^ libbpf.c:8682:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 8682 | for (i = 0; i < custom_sec_def_cnt; i++) { | ^ gen_loader.c: In function 'bpf_gen__map_create': gen_loader.c:512:21: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 512 | } else if (map_idx != gen->nr_maps) { | ^~ gen_loader.c: In function 'bpf_gen__record_attach_target': libbpf.c:8687:8: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 8687 | if (i == custom_sec_def_cnt) | ^~ gen_loader.c:536:10: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 536 | if (ret >= sizeof(gen->attach_target)) | ^~ gen_loader.c: In function 'get_ksym_desc': gen_loader.c:588:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 588 | for (i = 0; i < gen->nr_ksyms; i++) { | ^ libbpf.c: In function 'prog_is_subprog': libbpf.c:8691:20: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 8691 | for (i = i + 1; i < custom_sec_def_cnt; i++) | ^ libbpf.c:3957:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 3957 | return prog->sec_idx == obj->efile.text_shndx && obj->nr_programs > 1; | ^~ gen_loader.c: In function 'cleanup_relos': btf.c: In function 'btf_dedup_ref_types': gen_loader.c:906:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 906 | for (i = 0; i < gen->nr_ksyms; i++) { | ^ libbpf.c: In function 'libbpf_get_type_names': libbpf.c: In function 'bpf_program__record_reloc': libbpf.c:8769:16: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 8769 | for (i = 0; i < ARRAY_SIZE(section_defs); i++) { | ^ btf.c:4515:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 4515 | for (i = 0; i < d->btf->nr_types; i++) { | ^ libbpf.c:4064:43: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 4064 | if (!shdr_idx || shdr_idx != obj->efile.text_shndx) { | ^~ libbpf.c:8780:53: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 8780 | if (strlen(buf) + strlen(section_defs[i].sec) + 2 > len) { | ^ libbpf.c: In function 'find_btf_by_prefix_kind': btf.c: In function 'btf_dedup_resolve_fwds': libbpf.c:9025:21: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 9025 | if (ret < 0 || ret >= sizeof(btf_type_name)) | ^~ libbpf.c: In function 'find_kernel_btf_id': btf.c:4643:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 4643 | for (i = 0; i < d->btf->nr_types; i++) { | ^ libbpf.c:9116:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 9116 | for (i = 0; i < obj->btf_module_cnt; i++) { | ^ btf.c: In function 'btf_dedup_compact_types': btf.c:4678:46: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 4678 | for (i = 0, id = d->btf->start_id; i < d->btf->nr_types; i++, id++) | ^ btf.c:4683:46: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 4683 | for (i = 0, id = d->btf->start_id; i < d->btf->nr_types; i++, id++) { | ^ btf.c:4684:32: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 4684 | if (d->map[id] != id) | ^~ libbpf.c: In function '__bpf_map__iter': libbpf.c:9397:10: warning: comparison of integer expressions of different signedness: 'ssize_t' {aka 'long int'} and 'size_t' {aka 'const long unsigned int'} [-Wsign-compare] 9397 | if (idx >= obj->nr_maps || idx < 0) | ^~ btf.c: In function 'btf_dedup_remap_types': CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/btf_dump.o usdt.c: In function 'parse_elf_segs': btf.c:4747:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 4747 | for (i = 0; i < d->btf->nr_types; i++) { | ^ usdt.c:409:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 409 | for (i = 0; i < n; i++) { | ^ usdt.c: In function 'find_elf_seg': usdt.c:543:28: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 543 | for (i = 0, seg = segs; i < seg_cnt; i++, seg++) { | ^ usdt.c: In function 'find_vma_seg': usdt.c:559:28: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 559 | for (i = 0, seg = segs; i < seg_cnt; i++, seg++) { | ^ btf.c: In function 'btf__load_vmlinux_btf': usdt.c: In function 'bpf_link_usdt_detach': usdt.c:819:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 819 | for (i = 0; i < usdt_link->uprobe_cnt; i++) { | ^ btf.c:4790:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 4790 | for (i = 0; i < ARRAY_SIZE(locations); i++) { | ^ usdt.c: In function 'usdt_manager_attach_usdt': usdt.c:1014:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1014 | for (i = 0; i < target_cnt; i++) { | ^ CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/hashmap.o usdt.c: In function 'calc_pt_regs_off': usdt.c:1211:16: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 1211 | for (i = 0; i < ARRAY_SIZE(reg_map); i++) { | ^ usdt.c:1212:17: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 1212 | for (j = 0; j < ARRAY_SIZE(reg_map[i].names); j++) { | ^ In file included from btf.c:22: btf.c: In function 'btf_ext_visit_type_ids': libbpf.c: In function 'init_map_in_map_slots': libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ btf.c:4959:17: note: in expansion of macro 'for_each_btf_ext_rec' 4959 | for_each_btf_ext_rec(seg, sec, i, rec) { | ^~~~~~~~~~~~~~~~~~~~ libbpf.c:5136:23: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 5136 | for (i = 0; i < map->init_slots_sz; i++) { | ^ libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ btf.c:4970:17: note: in expansion of macro 'for_each_btf_ext_rec' 4970 | for_each_btf_ext_rec(seg, sec, i, rec) { | ^~~~~~~~~~~~~~~~~~~~ libbpf.c: In function 'init_prog_array_slots': btf.c: In function 'btf_ext_visit_str_offs': libbpf.c:5175:23: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 5175 | for (i = 0; i < map->init_slots_sz; i++) { | ^ libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ btf.c:5001:17: note: in expansion of macro 'for_each_btf_ext_rec' 5001 | for_each_btf_ext_rec(seg, sec, i, rec) { | ^~~~~~~~~~~~~~~~~~~~ libbpf.c: In function 'bpf_object_init_prog_arrays': libbpf.c:5204:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 5204 | for (i = 0; i < obj->nr_maps; i++) { | ^ libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ btf.c:5019:17: note: in expansion of macro 'for_each_btf_ext_rec' 5019 | for_each_btf_ext_rec(seg, sec, i, rec) { | ^~~~~~~~~~~~~~~~~~~~ libbpf.c: In function 'bpf_core_find_cands': libbpf.c:5568:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 5568 | for (i = 0; i < obj->btf_module_cnt; i++) { | ^ libbpf.c: In function 'elf_find_next_scn_by_type': libbpf.c:10557:18: warning: comparison of integer expressions of different signedness: 'Elf64_Word' {aka 'unsigned int'} and 'int' [-Wsign-compare] 10557 | if (sh.sh_type == sh_type) | ^~ libbpf.c: In function 'elf_find_func_offset': libbpf.c:10606:16: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 10606 | for (i = 0; i < ARRAY_SIZE(sh_types); i++) { | ^ In file included from libbpf.c:54: libbpf.c: In function 'bpf_object__relocate_core': libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ libbpf.c:5748:17: note: in expansion of macro 'for_each_btf_ext_rec' 5748 | for_each_btf_ext_rec(seg, sec, i, rec) { | ^~~~~~~~~~~~~~~~~~~~ libbpf.c: In function 'resolve_full_path': libbpf.c:10773:16: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 10773 | for (i = 0; i < ARRAY_SIZE(search_paths); i++) { | ^ libbpf.c:5777:38: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 5777 | if (insn_idx >= prog->insns_cnt) | ^~ libbpf.c:10785:26: warning: operand of '?:' changes signedness from 'long int' to 'size_t' {aka 'long unsigned int'} due to unsignedness of other operand [-Wsign-compare] 10785 | seg_len = next_path ? next_path - s : strlen(s); | ^~~~~~~~~~~~~ In file included from libbpf.c:55: hashmap.h:179:27: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 179 | for (bkt = 0; bkt < map->cap; bkt++) \ | ^ libbpf.c:5813:17: note: in expansion of macro 'hashmap__for_each_entry' 5813 | hashmap__for_each_entry(cand_cache, entry, i) { | ^~~~~~~~~~~~~~~~~~~~~~~ libbpf.c: In function 'adjust_prog_btf_ext_info': libbpf.c:5968:35: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 5968 | if (prog->sec_idx != sec_idx) | ^~ libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ libbpf.c:5971:17: note: in expansion of macro 'for_each_btf_ext_rec' 5971 | for_each_btf_ext_rec(ext_info, sec, i, rec) { | ^~~~~~~~~~~~~~~~~~~~ libbpf.c: In function 'cmp_relo_by_insn_idx': libbpf.c:6097:22: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 6097 | if (insn_idx == relo->insn_idx) | ^~ libbpf.c:6099:25: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 6099 | return insn_idx < relo->insn_idx ? -1 : 1; | ^ libbpf.c: In function 'determine_tracepoint_id': libbpf.c:11056:10: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 11056 | if (ret >= sizeof(file)) { | ^~ libbpf.c: In function 'bpf_object__relocate_calls': libbpf.c:6352:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6352 | for (i = 0; i < obj->nr_programs; i++) { | ^ libbpf.c: In function 'bpf_object__free_relocs': libbpf.c:6374:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6374 | for (i = 0; i < obj->nr_programs; i++) { | ^ libbpf.c: In function 'bpf_object__sort_relos': libbpf.c:6400:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6400 | for (i = 0; i < obj->nr_programs; i++) { | ^ libbpf.c: In function 'bpf_object__relocate': libbpf.c: In function '__perf_buffer__new': libbpf.c:6436:31: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 6436 | for (j = 0; j < prog->nr_reloc; j++) { | ^ libbpf.c:11818:42: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 11818 | if (map.max_entries && map.max_entries < pb->cpu_cnt) | ^ libbpf.c: In function 'bpf_object__collect_map_relos': libbpf.c: In function 'perf_buffer__buffer_fd': libbpf.c:11998:14: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 11998 | if (buf_idx >= pb->cpu_cnt) | ^~ libbpf.c:6534:31: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6534 | for (j = 0; j < obj->nr_maps; j++) { | ^ libbpf.c: In function 'perf_buffer__consume_buffer': libbpf.c:12036:14: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 12036 | if (buf_idx >= pb->cpu_cnt) | ^~ libbpf.c:6544:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6544 | if (j == obj->nr_maps) { | ^~ libbpf.c: In function 'parse_cpu_mask_file': libbpf.c:12179:10: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 12179 | if (len >= sizeof(buf)) { | ^~ libbpf.c: In function 'populate_skeleton_maps': libbpf.c:6609:26: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 6609 | if (moff >= map->init_slots_sz) { | ^~ libbpf.c:12220:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 12220 | for (i = 0; i < map_cnt; i++) { | ^ libbpf.c: In function 'populate_skeleton_progs': libbpf.c: In function 'bpf_object__collect_relos': libbpf.c:12244:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 12244 | for (i = 0; i < prog_cnt; i++) { | ^ libbpf.c:6632:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6632 | for (i = 0; i < obj->efile.sec_cnt; i++) { | ^ libbpf.c: In function 'bpf_object__sanitize_prog': libbpf.c:6686:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6686 | for (i = 0; i < prog->insns_cnt; i++, insn++) { | ^ libbpf.c: In function 'bpf_object_load_prog': CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/ringbuf.o libbpf.c:6886:39: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 6886 | for (i = 0; i < obj->nr_maps; i++) { | ^ libbpf.c: In function 'fixup_log_failed_core_relo': libbpf.c:7024:47: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 7024 | insn_idx, spec_buf, spec_len >= sizeof(spec_buf) ? "..." : ""); | ^~ btf_dump.c: In function 'pfx': btf_dump.c:30:20: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 30 | return lvl >= PREFIX_CNT ? PREFIXES : &PREFIXES[PREFIX_CNT - lvl]; | ^~ libbpf.c: In function 'fixup_log_missing_map_load': libbpf.c:7050:36: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 7050 | if (map_idx < 0 || map_idx >= obj->nr_maps) | ^~ libbpf.c: In function 'fixup_verifier_log': btf_dump.c: In function 'btf_dump_emit_bit_padding': btf_dump.c:894:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 894 | for (i = 0; i < ARRAY_SIZE(pads); i++) { | ^ btf_dump.c: In function 'btf_dump_emit_missing_aliases': libbpf.c:7076:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 7076 | for (i = 0; i < max_last_line_cnt; i++, next_line = cur_line) { | ^ btf_dump.c:1046:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 1046 | for (i = 0; i < ARRAY_SIZE(missing_base_types); i++) { | ^ btf_dump.c: In function 'btf_dump_int_data': btf_dump.c:1871:27: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 1871 | if (sz == 0 || sz > sizeof(buf)) { | ^ btf_dump.c: In function 'btf_dump_enum_data': btf_dump.c:2214:35: warning: comparison of integer expressions of different signedness: '__s64' {aka 'long long int'} and '__u64' {aka 'long long unsigned int'} [-Wsign-compare] 2214 | if (value != btf_enum64_value(e)) | ^~ libbpf.c: In function 'find_ksym_btf_id': CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/strset.o btf_dump.c: In function 'btf_dump_type_data_check_zero': libbpf.c:7448:31: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 7448 | for (i = 0; i < obj->btf_module_cnt; i++) { | ^ btf_dump.c:2346:31: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 2346 | for (i = 0; i < array->nelems; i++) { | ^ libbpf.c: In function 'bpf_object_load': CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/linker.o libbpf.c:7747:31: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 7747 | for (i = 0; i < obj->nr_maps; i++) | ^ libbpf.c:7757:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 7757 | for (i = 0; i < obj->btf_module_cnt; i++) { | ^ libbpf.c:7776:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 7776 | for (i = 0; i < obj->nr_maps; i++) | ^ libbpf.c: In function '__bpf_program__iter': libbpf.c:8315:17: warning: comparison of integer expressions of different signedness: 'ssize_t' {aka 'long int'} and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 8315 | if (idx >= obj->nr_programs || idx < 0) | ^~ CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/gen_loader.o libbpf.c: In function 'libbpf_unregister_prog_handler': libbpf.c:8682:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 8682 | for (i = 0; i < custom_sec_def_cnt; i++) { | ^ libbpf.c:8687:15: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 8687 | if (i == custom_sec_def_cnt) | ^~ libbpf.c:8691:27: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 8691 | for (i = i + 1; i < custom_sec_def_cnt; i++) | ^ strset.c: In function 'strset__new': strset.c:66:35: warning: comparison of integer expressions of different signedness: 'long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 66 | for (off = 0; off < set->strs_data_len; off += strlen(set->strs_data + off) + 1) { | ^ libbpf.c: In function 'libbpf_get_type_names': libbpf.c:8769:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 8769 | for (i = 0; i < ARRAY_SIZE(section_defs); i++) { | ^ libbpf.c:8780:67: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 8780 | if (strlen(buf) + strlen(section_defs[i].sec) + 2 > len) { | ^ CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/relo_core.o libbpf.c: In function 'find_btf_by_prefix_kind': libbpf.c:9025:28: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 9025 | if (ret < 0 || ret >= sizeof(btf_type_name)) | ^~ libbpf.c: In function 'find_kernel_btf_id': libbpf.c:9116:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 9116 | for (i = 0; i < obj->btf_module_cnt; i++) { | ^ linker.c: In function 'linker_sanity_check_elf_symtab': linker.c:774:55: warning: comparison of integer expressions of different signedness: 'Elf64_Word' {aka 'unsigned int'} and 'int' [-Wsign-compare] 774 | if (!sec->shdr->sh_link || sec->shdr->sh_link >= obj->sec_cnt) { | ^~ linker.c: In function 'linker_sanity_check_elf_relos': linker.c:856:55: warning: comparison of integer expressions of different signedness: 'Elf64_Word' {aka 'unsigned int'} and 'int' [-Wsign-compare] 856 | if (!sec->shdr->sh_info || sec->shdr->sh_info >= obj->sec_cnt) { | ^~ CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/staticobjs/usdt.o linker.c: In function 'sec_content_is_same': linker.c:1072:29: warning: comparison of integer expressions of different signedness: 'int' and 'Elf64_Xword' {aka 'long unsigned int'} [-Wsign-compare] 1072 | if (dst_sec->sec_sz != src_sec->shdr->sh_size) | ^~ libbpf.c: In function '__bpf_map__iter': libbpf.c:9397:17: warning: comparison of integer expressions of different signedness: 'ssize_t' {aka 'long int'} and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 9397 | if (idx >= obj->nr_maps || idx < 0) | ^~ linker.c: In function 'find_glob_sym_btf': linker.c:1691:46: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 1691 | if (btf_id && btf_id != vi->type) { | ^~ linker.c: In function 'linker_append_btf_ext': linker.c:2452:47: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 2452 | if (dst_sec->func_info.rec_sz != rec_sz) { | ^~ In file included from linker.c:21: libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ linker.c:2457:17: note: in expansion of macro 'for_each_btf_ext_rec' 2457 | for_each_btf_ext_rec(&obj->btf_ext->func_info, ext_sec, i, src_rec) { | ^~~~~~~~~~~~~~~~~~~~ linker.c:2481:47: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 2481 | if (dst_sec->line_info.rec_sz != rec_sz) { | ^~ libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ linker.c:2486:17: note: in expansion of macro 'for_each_btf_ext_rec' 2486 | for_each_btf_ext_rec(&obj->btf_ext->line_info, ext_sec, i, src_rec) { | ^~~~~~~~~~~~~~~~~~~~ linker.c:2523:52: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 2523 | if (dst_sec->core_relo_info.rec_sz != rec_sz) { | ^~ libbpf_internal.h:399:16: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 399 | i < (sec)->num_info; \ | ^ linker.c:2528:17: note: in expansion of macro 'for_each_btf_ext_rec' 2528 | for_each_btf_ext_rec(&obj->btf_ext->core_relo_info, ext_sec, i, src_rec) { | ^~~~~~~~~~~~~~~~~~~~ gen_loader.c: In function 'bpf_gen__init': gen_loader.c:144:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 144 | for (i = 0; i < nr_progs_sz; i += 4) { | ^ gen_loader.c: In function 'bpf_gen__finish': gen_loader.c:374:22: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 374 | if (nr_progs < gen->nr_progs || nr_maps != gen->nr_maps) { | ^ gen_loader.c:374:49: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 374 | if (nr_progs < gen->nr_progs || nr_maps != gen->nr_maps) { | ^~ gen_loader.c:381:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 381 | for (i = 0; i < gen->nr_progs; i++) | ^ gen_loader.c:388:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 388 | for (i = 0; i < gen->nr_maps; i++) | ^ gen_loader.c: In function 'bpf_gen__map_create': gen_loader.c:512:28: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 512 | } else if (map_idx != gen->nr_maps) { | ^~ gen_loader.c: In function 'bpf_gen__record_attach_target': gen_loader.c:536:17: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 536 | if (ret >= sizeof(gen->attach_target)) | ^~ gen_loader.c: In function 'get_ksym_desc': gen_loader.c:588:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 588 | for (i = 0; i < gen->nr_ksyms; i++) { | ^ gen_loader.c: In function 'cleanup_relos': gen_loader.c:906:23: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 906 | for (i = 0; i < gen->nr_ksyms; i++) { | ^ relo_core.c: In function 'is_flex_arr': relo_core.c:83:25: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 83 | return acc->idx == btf_vlen(t) - 1; | ^~ libbpf.c: In function 'elf_find_next_scn_by_type': relo_core.c: In function 'bpf_core_parse_spec': relo_core.c:374:49: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 374 | if (!flex && access_idx >= a->nelems) | ^~ libbpf.c:10557:32: warning: comparison of integer expressions of different signedness: 'Elf64_Word' {aka 'unsigned int'} and 'int' [-Wsign-compare] 10557 | if (sh.sh_type == sh_type) | ^~ libbpf.c: In function 'elf_find_func_offset': relo_core.c: In function 'bpf_core_patch_insn': relo_core.c:1052:48: warning: comparison of integer expressions of different signedness: '__s32' {aka 'int'} and '__u64' {aka 'long long unsigned int'} [-Wsign-compare] 1052 | if (res->validate && insn->imm != orig_val) { | ^~ relo_core.c:1068:48: warning: comparison of integer expressions of different signedness: '__s16' {aka 'short int'} and '__u64' {aka 'long long unsigned int'} [-Wsign-compare] 1068 | if (res->validate && insn->off != orig_val) { | ^~ relo_core.c:1096:43: warning: comparison of integer expressions of different signedness: 'int' and '__u32' {aka 'unsigned int'} [-Wsign-compare] 1096 | if (insn_bytes_sz != res->orig_sz) { | ^~ libbpf.c:10606:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 10606 | for (i = 0; i < ARRAY_SIZE(sh_types); i++) { | ^ relo_core.c: In function 'bpf_core_format_spec': relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1178:9: note: in expansion of macro 'append_buf' 1178 | append_buf("<%s> [%u] %s %s", | ^~~~~~~~~~ relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1194:25: note: in expansion of macro 'append_buf' 1194 | append_buf(fmt_str, s, e->val); | ^~~~~~~~~~ relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1202:25: note: in expansion of macro 'append_buf' 1202 | append_buf(fmt_str, s, (unsigned long long)btf_enum64_value(e)); | ^~~~~~~~~~ relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1210:33: note: in expansion of macro 'append_buf' 1210 | append_buf(".%s", spec->spec[i].name); | ^~~~~~~~~~ relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1212:33: note: in expansion of macro 'append_buf' 1212 | append_buf("[%u]", spec->spec[i].idx); | ^~~~~~~~~~ relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1215:17: note: in expansion of macro 'append_buf' 1215 | append_buf(" ("); | ^~~~~~~~~~ libbpf.c: In function 'resolve_full_path': relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1217:25: note: in expansion of macro 'append_buf' 1217 | append_buf("%s%d", i == 0 ? "" : ":", spec->raw_spec[i]); | ^~~~~~~~~~ relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1220:25: note: in expansion of macro 'append_buf' 1220 | append_buf(" @ offset %u.%u)", spec->bit_offset / 8, spec->bit_offset % 8); | ^~~~~~~~~~ relo_core.c:1168:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1168 | if (r >= buf_sz) \ | ^~ relo_core.c:1222:25: note: in expansion of macro 'append_buf' 1222 | append_buf(" @ offset %u)", spec->bit_offset / 8); | ^~~~~~~~~~ libbpf.c:10773:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 10773 | for (i = 0; i < ARRAY_SIZE(search_paths); i++) { | ^ libbpf.c:10785:47: warning: operand of '?:' changes signedness from 'long int' to 'size_t' {aka 'long unsigned int'} due to unsignedness of other operand [-Wsign-compare] 10785 | seg_len = next_path ? next_path - s : strlen(s); | ^~~~~~~~~~~~~ usdt.c: In function 'parse_elf_segs': usdt.c:409:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 409 | for (i = 0; i < n; i++) { | ^ usdt.c: In function 'find_elf_seg': usdt.c:543:35: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 543 | for (i = 0, seg = segs; i < seg_cnt; i++, seg++) { | ^ usdt.c: In function 'find_vma_seg': usdt.c:559:35: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 559 | for (i = 0, seg = segs; i < seg_cnt; i++, seg++) { | ^ usdt.c: In function 'bpf_link_usdt_detach': usdt.c:819:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 819 | for (i = 0; i < usdt_link->uprobe_cnt; i++) { | ^ usdt.c: In function 'usdt_manager_attach_usdt': usdt.c:1014:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 1014 | for (i = 0; i < target_cnt; i++) { | ^ usdt.c: In function 'calc_pt_regs_off': usdt.c:1211:23: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 1211 | for (i = 0; i < ARRAY_SIZE(reg_map); i++) { | ^ usdt.c:1212:31: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 1212 | for (j = 0; j < ARRAY_SIZE(reg_map[i].names); j++) { | ^ libbpf.c: In function 'determine_tracepoint_id': libbpf.c:11056:17: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 11056 | if (ret >= sizeof(file)) { | ^~ libbpf.c: In function '__perf_buffer__new': libbpf.c:11818:56: warning: comparison of integer expressions of different signedness: '__u32' {aka 'unsigned int'} and 'int' [-Wsign-compare] 11818 | if (map.max_entries && map.max_entries < pb->cpu_cnt) | ^ libbpf.c: In function 'perf_buffer__buffer_fd': libbpf.c:11998:21: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 11998 | if (buf_idx >= pb->cpu_cnt) | ^~ libbpf.c: In function 'perf_buffer__consume_buffer': libbpf.c:12036:21: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 12036 | if (buf_idx >= pb->cpu_cnt) | ^~ libbpf.c: In function 'parse_cpu_mask_file': libbpf.c:12179:17: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 12179 | if (len >= sizeof(buf)) { | ^~ libbpf.c: In function 'populate_skeleton_maps': libbpf.c:12220:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 12220 | for (i = 0; i < map_cnt; i++) { | ^ libbpf.c: In function 'populate_skeleton_progs': libbpf.c:12244:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 12244 | for (i = 0; i < prog_cnt; i++) { | ^ AR /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/libbpf/libbpf.a make[2]: Leaving directory '/home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/libbpf/src' CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/main.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/common.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/json_writer.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/gen.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/btf.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/xlated_dumper.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/btf_dumper.o CC /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/disasm.o LINK /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/bpftool GEN vmlinux.h /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/bootstrap/bpftool: error while loading shared libraries: libelf.so.1: cannot open shared object file: No such file or directory make[1]: *** [Makefile:198: vmlinux.h] Error 127 make[1]: *** Deleting file 'vmlinux.h' make[1]: *** Waiting for unfinished jobs.... AR /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src/libbpf/libbpf.a make[2]: Leaving directory '/home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/libbpf/src' make[1]: Leaving directory '/home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/src' make: *** [package/pkg-generic.mk:283: /home/buildroot/instance-0/output-1/build/bpftool-v7.1.0/.stamp_built] Error 2 make: Leaving directory '/home/buildroot/instance-0/buildroot'