[PATCH bpf-next] libbpf: skip bpf_object__probe_loading for light skeleton
From: Stanislav Fomichev <hidden>
Date: 2021-05-21 03:06:57
Also in:
bpf
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [library] (libbpf), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds
I'm getting the following error when running 'gen skeleton -L' as
regular user:
libbpf: Error in bpf_object__probe_loading():Operation not permitted(1).
Couldn't load trivial BPF program. Make sure your kernel supports BPF
(CONFIG_BPF_SYSCALL=y) and/or that RLIMIT_MEMLOCK is set to big enough
value.
Fixes: 67234743736a ("libbpf: Generate loader program out of BPF ELF file.")
Signed-off-by: Stanislav Fomichev <redacted>
---
tools/lib/bpf/libbpf.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index dc4d5fe6d9d2..b396e45b17ea 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c@@ -3971,6 +3971,9 @@ bpf_object__probe_loading(struct bpf_object *obj) }; int ret; + if (obj->gen_loader) + return 0; + /* make sure basic loading works */ memset(&attr, 0, sizeof(attr));
--
2.31.1.818.g46aad6cb9e-goog