From: Qiang Wang wangqiang.wq.frank@bytedance.com
[ Upstream commit 71cff670baff5cc6a6eeb0181e2cc55579c5e1e0 ]
Fix a bug in commit 46ed5fc33db9, which wrongly used the func_name instead of probe_name to register legacy kprobe.
Fixes: 46ed5fc33db9 ("libbpf: Refactor and simplify legacy kprobe code") Co-developed-by: Chengming Zhou zhouchengming@bytedance.com Signed-off-by: Qiang Wang wangqiang.wq.frank@bytedance.com Signed-off-by: Chengming Zhou zhouchengming@bytedance.com Signed-off-by: Andrii Nakryiko andrii@kernel.org Tested-by: Hengqi Chen hengqi.chen@gmail.com Reviewed-by: Hengqi Chen hengqi.chen@gmail.com Link: https://lore.kernel.org/bpf/20211227130713.66933-1-wangqiang.wq.frank@byteda... 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 fd25e30e70cc2..2696f0b7f0acc 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -9769,7 +9769,7 @@ bpf_program__attach_kprobe_opts(const struct bpf_program *prog, gen_kprobe_legacy_event_name(probe_name, sizeof(probe_name), func_name, offset);
- legacy_probe = strdup(func_name); + legacy_probe = strdup(probe_name); if (!legacy_probe) return libbpf_err_ptr(-ENOMEM);