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Date:   Fri, 10 May 2019 00:00:30 +0000
From:   Alakesh Haloi <alakesh.haloi@...il.com>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     Shuah Khan <shuah@...nel.org>, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] selftests/bpf: Fix compile warning in bpf selftest

On Thu, May 09, 2019 at 01:51:54PM -0700, Alexei Starovoitov wrote:
> On Tue, May 7, 2019 at 4:12 PM Alakesh Haloi <alakesh.haloi@...il.com> wrote:
> >
> > This fixes the following compile time warning
> >
> > flow_dissector_load.c: In function ‘detach_program’:
> > flow_dissector_load.c:55:19: warning: format not a string literal and no format arguments [-Wformat-security]
> >    error(1, errno, command);
> >                    ^~~~~~~
> > Signed-off-by: Alakesh Haloi <alakesh.haloi@...il.com>
> > ---
> >  tools/testing/selftests/bpf/flow_dissector_load.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/tools/testing/selftests/bpf/flow_dissector_load.c b/tools/testing/selftests/bpf/flow_dissector_load.c
> > index 77cafa66d048..7136ab9ffa73 100644
> > --- a/tools/testing/selftests/bpf/flow_dissector_load.c
> > +++ b/tools/testing/selftests/bpf/flow_dissector_load.c
> > @@ -52,7 +52,7 @@ static void detach_program(void)
> >         sprintf(command, "rm -r %s", cfg_pin_path);
> >         ret = system(command);
> >         if (ret)
> > -               error(1, errno, command);
> > +               error(1, errno, "%s", command);
> >  }
> 
> it was fixed month ago.
The warning is seen in mainline. I did not try bpf tree. Looks like it
is fixed there. 

Thanks
-Alakesh

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