linux-kernel - Re: [PATCH] perf dlfilter: Add a test for object

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAP-5=fVVDRU_NLHvTCaFYwGvvN4v+1Z=TXoy27Hhi9HkOVZ76g@mail.gmail.com>
Date:   Thu, 12 Oct 2023 14:42:57 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org
Subject: Re: [PATCH] perf dlfilter: Add a test for object_code()

On Thu, Sep 28, 2023 at 2:10 AM Adrian Hunter <adrian.hunter@...el.com> wrote:
>
> Extend the "dlfilter C API" test to test
> perf_dlfilter_fns.object_code().
>
> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>

Tested-by: Ian Rogers <irogers@...gle.com>

Thanks,
Ian

> ---
>  tools/perf/dlfilters/dlfilter-test-api-v0.c | 12 +++++++++++-
>  tools/perf/dlfilters/dlfilter-test-api-v2.c | 12 +++++++++++-
>  2 files changed, 22 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/dlfilters/dlfilter-test-api-v0.c b/tools/perf/dlfilters/dlfilter-test-api-v0.c
> index 72f263d49121..4083b1abeaab 100644
> --- a/tools/perf/dlfilters/dlfilter-test-api-v0.c
> +++ b/tools/perf/dlfilters/dlfilter-test-api-v0.c
> @@ -289,6 +289,15 @@ static int check_attr(void *ctx)
>         return 0;
>  }
>
> +static int check_object_code(void *ctx, const struct perf_dlfilter_sample *sample)
> +{
> +       __u8 buf[15];
> +
> +       CHECK(perf_dlfilter_fns.object_code(ctx, sample->ip, buf, sizeof(buf)) > 0);
> +
> +       return 0;
> +}
> +
>  static int do_checks(void *data, const struct perf_dlfilter_sample *sample, void *ctx, bool early)
>  {
>         struct filter_data *d = data;
> @@ -314,7 +323,8 @@ static int do_checks(void *data, const struct perf_dlfilter_sample *sample, void
>         if (early && !d->do_early)
>                 return 0;
>
> -       if (check_al(ctx) || check_addr_al(ctx) || check_address_al(ctx, sample))
> +       if (check_al(ctx) || check_addr_al(ctx) || check_address_al(ctx, sample) ||
> +           check_object_code(ctx, sample))
>                 return -1;
>
>         if (early)
> diff --git a/tools/perf/dlfilters/dlfilter-test-api-v2.c b/tools/perf/dlfilters/dlfilter-test-api-v2.c
> index 38e593d92920..32ff619e881c 100644
> --- a/tools/perf/dlfilters/dlfilter-test-api-v2.c
> +++ b/tools/perf/dlfilters/dlfilter-test-api-v2.c
> @@ -308,6 +308,15 @@ static int check_attr(void *ctx)
>         return 0;
>  }
>
> +static int check_object_code(void *ctx, const struct perf_dlfilter_sample *sample)
> +{
> +       __u8 buf[15];
> +
> +       CHECK(perf_dlfilter_fns.object_code(ctx, sample->ip, buf, sizeof(buf)) > 0);
> +
> +       return 0;
> +}
> +
>  static int do_checks(void *data, const struct perf_dlfilter_sample *sample, void *ctx, bool early)
>  {
>         struct filter_data *d = data;
> @@ -333,7 +342,8 @@ static int do_checks(void *data, const struct perf_dlfilter_sample *sample, void
>         if (early && !d->do_early)
>                 return 0;
>
> -       if (check_al(ctx) || check_addr_al(ctx) || check_address_al(ctx, sample))
> +       if (check_al(ctx) || check_addr_al(ctx) || check_address_al(ctx, sample) ||
> +           check_object_code(ctx, sample))
>                 return -1;
>
>         if (early)
> --
> 2.34.1
>