`tname` is returned by `btf__name_by_offset()` as well as `var_name`, and these addresses point to strings in the btf. Since their locations may change while loading the bpf program, using `strdup()` ensures `tname` is safely stored. Signed-off-by: Soma Nakata <soma.nakata01@xxxxxxxxx> --- tools/lib/bpf/libbpf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index a3be6f8fac09..ece1f1af2cd4 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -1423,7 +1423,7 @@ static int init_struct_ops_maps(struct bpf_object *obj, const char *sec_name, memcpy(st_ops->data, data->d_buf + vsi->offset, type->size); - st_ops->tname = tname; + st_ops->tname = strdup(tname); st_ops->type = type; st_ops->type_id = type_id; -- 2.46.0
