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] [thread-next>] [day] [month] [year] [list]
Message-ID: <87a9wwc16p.fsf@sejong.aot.lge.com>
Date:	Tue, 11 Sep 2012 19:18:38 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Hyeoncheol Lee <hyc.lee@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: [PATCH -tip/perf/core ] perf probe: Allow of casting an array of char to string

Hi Hyeoncheol,

Please CC the perf maintainers - at least Arnaldo for perf tools - next time.

Thanks,
Namhyung


On Tue, 11 Sep 2012 17:00:54 +0900, Hyeoncheol Lee wrote:
> Before casting a type of a variable to string,
> convert_variable_type() confirms that the type is a pointer or
> an array. then if it is a pointer to char, it is casted to string.
> but in case of an array of char, it isn't
>
> Cc: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
> Cc: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
> Signed-off-by: H.C. Lee <hyc.lee@...il.com>
> ---
>  tools/perf/util/probe-finder.c |   10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
> index d448984..94a00de 100644
> --- a/tools/perf/util/probe-finder.c
> +++ b/tools/perf/util/probe-finder.c
> @@ -413,12 +413,12 @@ static int convert_variable_type(Dwarf_Die *vr_die,
>                                    dwarf_diename(vr_die), dwarf_diename(&type));
>                         return -EINVAL;
>                 }
> +               if (die_get_real_type(&type, &type) == NULL) {
> +                       pr_warning("Failed to get a type"
> +                                  " information.\n");
> +                       return -ENOENT;
> +               }
>                 if (ret == DW_TAG_pointer_type) {
> -                       if (die_get_real_type(&type, &type) == NULL) {
> -                               pr_warning("Failed to get a type"
> -                                          " information.\n");
> -                               return -ENOENT;
> -                       }
>                         while (*ref_ptr)
>                                 ref_ptr = &(*ref_ptr)->next;
>                         /* Add new reference with offset +0 */
> --
> 1.7.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists