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libbpf: Fix func leak in attach_kprobe
Add missing free() for func pointer in attach_kprobe function.
Fixes: a2488b5f48
("libbpf: Allow specification of "kprobe/function+offset"")
Reported-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Reviewed-by: Alan Maguire <alan.maguire@oracle.com>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Link: https://lore.kernel.org/bpf/20210721215810.889975-2-jolsa@kernel.org
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@ -10431,6 +10431,7 @@ static struct bpf_link *attach_kprobe(const struct bpf_sec_def *sec,
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return libbpf_err_ptr(err);
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}
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if (opts.retprobe && offset != 0) {
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free(func);
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err = -EINVAL;
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pr_warn("kretprobes do not support offset specification\n");
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return libbpf_err_ptr(err);
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