lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 31 Mar 2022 11:45:55 -0400 From: Milan Landaverde <milan@...verde.com> To: bpf@...r.kernel.org Cc: milan@...verde.com, ast@...nel.org, daniel@...earbox.net, andrii@...nel.org, kafai@...com, songliubraving@...com, yhs@...com, john.fastabend@...il.com, kpsingh@...nel.org, quentin@...valent.com, davemarchevsky@...com, sdf@...gle.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH bpf-next 3/3] bpf/bpftool: handle libbpf_probe_prog_type errors Previously [1], we were using bpf_probe_prog_type which returned a bool, but the new libbpf_probe_bpf_prog_type can return a negative error code on failure. This change decides for bpftool to declare a program type is not available on probe failure. [1] https://lore.kernel.org/bpf/20220202225916.3313522-3-andrii@kernel.org/ Signed-off-by: Milan Landaverde <milan@...verde.com> --- tools/bpf/bpftool/feature.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c index c2f43a5d38e0..b2fbaa7a6b15 100644 --- a/tools/bpf/bpftool/feature.c +++ b/tools/bpf/bpftool/feature.c @@ -564,7 +564,7 @@ probe_prog_type(enum bpf_prog_type prog_type, bool *supported_types, res = probe_prog_type_ifindex(prog_type, ifindex); } else { - res = libbpf_probe_bpf_prog_type(prog_type, NULL); + res = libbpf_probe_bpf_prog_type(prog_type, NULL) > 0; } #ifdef USE_LIBCAP -- 2.32.0
Powered by blists - more mailing lists