6.9-stable review patch. If anyone has any objections, please let me know.
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From: Jiri Olsa jolsa@kernel.org
[ Upstream commit 7c13ef16e87ac2e44d16c0468b1191bceb06f95c ]
We just failed to retrieve pattern, so we need to print spec instead.
Fixes: ddc6b04989eb ("libbpf: Add bpf_program__attach_kprobe_multi_opts function") Reported-by: Andrii Nakryiko andrii@kernel.org Signed-off-by: Jiri Olsa jolsa@kernel.org Signed-off-by: Andrii Nakryiko andrii@kernel.org Link: https://lore.kernel.org/bpf/20240502075541.1425761-2-jolsa@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 4980ed4f7559b..f515cf264a0a2 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -11475,7 +11475,7 @@ static int attach_kprobe_multi(const struct bpf_program *prog, long cookie, stru
n = sscanf(spec, "%m[a-zA-Z0-9_.*?]", &pattern); if (n < 1) { - pr_warn("kprobe multi pattern is invalid: %s\n", pattern); + pr_warn("kprobe multi pattern is invalid: %s\n", spec); return -EINVAL; }