Extracting btf_int_encoding() is only meaningful for BTF_KIND_INT, so we need to check that first before inferring signedness. Closes: https://github.com/libbpf/libbpf/issues/704 Reported-by: Lorenz Bauer <lmb@xxxxxxxxxxxxx> Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx> --- tools/lib/bpf/relo_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/lib/bpf/relo_core.c b/tools/lib/bpf/relo_core.c index a26b2f5fa0fc..63a4d5ad12d1 100644 --- a/tools/lib/bpf/relo_core.c +++ b/tools/lib/bpf/relo_core.c @@ -776,7 +776,7 @@ static int bpf_core_calc_field_relo(const char *prog_name, break; case BPF_CORE_FIELD_SIGNED: *val = (btf_is_any_enum(mt) && BTF_INFO_KFLAG(mt->info)) || - (btf_int_encoding(mt) & BTF_INT_SIGNED); + (btf_is_int(mt) && (btf_int_encoding(mt) & BTF_INT_SIGNED)); if (validate) *validate = true; /* signedness is never ambiguous */ break; -- 2.34.1
