From: John Kacur <jkacur@redhat.com>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: linux-rt-users@vger.kernel.org, Clark Williams <williams@redhat.com>
Subject: Re: support compilation with hardening flags
Date: Tue, 16 Oct 2012 01:03:56 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.2.02.1210160103040.6335@tycho> (raw)
In-Reply-To: <1346615170-25310-1-git-send-email-u.kleine-koenig@pengutronix.de>
[-- Attachment #1: Type: TEXT/PLAIN, Size: 3319 bytes --]
This is a good patch, but once again your subject line and description
kinda sucks. I'm fixing it up
Signed-off-by: John Kacur <jkacur@redhat.com>
On Sun, 2 Sep 2012, Uwe Kleine-König wrote:
> For Debian 7.0 (aka wheezy) packages it's recommended to use several
> hardening flags, the default on amd64 being:
>
> CFLAGS=-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security
> CPPFLAGS=-D_FORTIFY_SOURCE=2
> LDFLAGS=-Wl,-z,relro
>
> This patch doesn't fix all warnings but at least makes all programs compile
> again by not using char *variables as printf format strings.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> ---
> src/pmqtest/pmqtest.c | 4 ++--
> src/ptsematest/ptsematest.c | 4 ++--
> src/sigwaittest/sigwaittest.c | 4 ++--
> src/svsematest/svsematest.c | 4 ++--
> 4 files changed, 8 insertions(+), 8 deletions(-)
>
> --- a/src/ptsematest/ptsematest.c
> +++ b/src/ptsematest/ptsematest.c
> @@ -389,12 +389,12 @@
> (int) ((receiver[i].sumdiff / receiver[i].samples) + 0.5),
> receiver[i].maxdiff);
> if (receiver[i].error[0] != '\0') {
> - printf(receiver[i].error);
> + printf("%s", receiver[i].error);
> errorlines++;
> receiver[i].error[0] = '\0';
> }
> if (sender[i].error[0] != '\0') {
> - printf(sender[i].error);
> + printf("%s", sender[i].error);
> errorlines++;
> receiver[i].error[0] = '\0';
> }
> --- a/src/sigwaittest/sigwaittest.c
> +++ b/src/sigwaittest/sigwaittest.c
> @@ -561,12 +561,12 @@
> receiver[i].samples) + 0.5),
> receiver[i].maxdiff);
> if (receiver[i].error[0] != '\0') {
> - printf(receiver[i].error);
> + printf("%s", receiver[i].error);
> receiver[i].error[0] = '\0';
> errorlines++;
> }
> if (sender[i].error[0] != '\0') {
> - printf(sender[i].error);
> + printf("%s", sender[i].error);
> sender[i].error[0] = '\0';
> errorlines++;
> }
> --- a/src/svsematest/svsematest.c
> +++ b/src/svsematest/svsematest.c
> @@ -646,12 +646,12 @@
> receiver[i].samples) + 0.5),
> receiver[i].maxdiff);
> if (receiver[i].error[0] != '\0') {
> - printf(receiver[i].error);
> + printf("%s", receiver[i].error);
> receiver[i].error[0] = '\0';
> errorlines++;
> }
> if (sender[i].error[0] != '\0') {
> - printf(sender[i].error);
> + printf("%s", sender[i].error);
> sender[i].error[0] = '\0';
> errorlines++;
> }
> --- a/src/pmqtest/pmqtest.c
> +++ b/src/pmqtest/pmqtest.c
> @@ -512,12 +512,12 @@
> (int) ((receiver[i].sumdiff / receiver[i].samples) + 0.5),
> receiver[i].maxdiff);
> if (receiver[i].error[0] != '\0') {
> - printf(receiver[i].error);
> + printf("%s", receiver[i].error);
> errorlines++;
> receiver[i].error[0] = '\0';
> }
> if (sender[i].error[0] != '\0') {
> - printf(sender[i].error);
> + printf("%s", sender[i].error);
> errorlines++;
> receiver[i].error[0] = '\0';
> }
> --
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>
prev parent reply other threads:[~2012-10-15 23:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-02 19:46 support compilation with hardening flags Uwe Kleine-König
2012-10-15 23:03 ` John Kacur [this message]
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