Commit 1f71a468 authored by Jiri Olsa's avatar Jiri Olsa Committed by Andrii Nakryiko

libbpf: Fix func leak in attach_kprobe

Add missing free() for func pointer in attach_kprobe function.

Fixes: a2488b5f ("libbpf: Allow specification of "kprobe/function+offset"")
Reported-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Reviewed-by: default avatarAlan Maguire <alan.maguire@oracle.com>
Tested-by: default avatarAlan Maguire <alan.maguire@oracle.com>
Link: https://lore.kernel.org/bpf/20210721215810.889975-2-jolsa@kernel.org
parent 9907442f
......@@ -10431,6 +10431,7 @@ static struct bpf_link *attach_kprobe(const struct bpf_sec_def *sec,
return libbpf_err_ptr(err);
}
if (opts.retprobe && offset != 0) {
free(func);
err = -EINVAL;
pr_warn("kretprobes do not support offset specification\n");
return libbpf_err_ptr(err);
......
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