Re: [PATCH] perf bpf: Fix memory leak during synthesis.

From: kajoljain
Date: Thu Aug 26 2021 - 04:02:34 EST




On 8/26/21 5:46 AM, Ian Rogers wrote:
> BTF needs to be freed with btf_free.
>
> Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
> ---
> tools/perf/util/bpf-event.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/bpf-event.c b/tools/perf/util/bpf-event.c
> index cdecda1ddd36..d193104db7f7 100644
> --- a/tools/perf/util/bpf-event.c
> +++ b/tools/perf/util/bpf-event.c
> @@ -296,7 +296,7 @@ static int perf_event__synthesize_one_bpf_prog(struct perf_session *session,
>
> out:
> free(info_linear);
> - free(btf);
> + btf__free(btf);

Hi Ian,
Patch looks good to me. I can see in one more place we are using free(btf) in the
same file. Can you correct that as well.

Thanks,
Kajol Jain

> return err ? -1 : 0;
> }
>
>