linux-kernel - Re: [GIT PULL] seccomp: build fix for v5.0-rc2

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Date:   Tue, 8 Jan 2019 13:11:51 -0800
From:   Kees Cook <keescook@...omium.org>
To:     James Morris <jmorris@...ei.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        Ingo Molnar <mingo@...e.hu>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] seccomp: build fix for v5.0-rc2

This was already picked up by x86-urgent...

-Kees

On Tue, Jan 8, 2019 at 1:04 PM James Morris <jmorris@...ei.org> wrote:
>
> Please pull this fix for a build regression in seccomp.
>
> The following changes since commit 7b55851367136b1efd84d98fea81ba57a98304cf:
>
>   fork: record start_time late (2019-01-08 09:40:53 -0800)
>
> are available in the Git repository at:
>
>   git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git fixes-v5.0-rc1
>
> for you to fetch changes up to cba54b44d0be4eb66dbc7709e1f3f0d65e851f69:
>
>   samples/seccomp: fix 32-bit build (2019-01-08 13:00:00 -0800)
>
> ----------------------------------------------------------------
>
> Tycho Andersen (1):
>       samples/seccomp: fix 32-bit build
>
>  samples/seccomp/Makefile | 1 +
>  1 file changed, 1 insertion(+)
>
> ---
>
> commit cba54b44d0be4eb66dbc7709e1f3f0d65e851f69
> Author: Tycho Andersen <tycho@...ho.ws>
> Date:   Mon Jan 7 14:46:34 2019 -0700
>
>     samples/seccomp: fix 32-bit build
>
>     Both the .o and the actual executable need to be built with -m32 in order
>     to link correctly.
>
>     Fixes: fec7b6690541 ("samples: add an example of seccomp user trap")
>
>     Signed-off-by: Tycho Andersen <tycho@...ho.ws>
>     Reported-by: Ingo Molnar <mingo@...nel.org>
>     Signed-off-by: James Morris <james.morris@...rosoft.com>
>
> diff --git a/samples/seccomp/Makefile b/samples/seccomp/Makefile
> index 4920903c8009..a5607668a5c7 100644
> --- a/samples/seccomp/Makefile
> +++ b/samples/seccomp/Makefile
> @@ -37,6 +37,7 @@ HOSTCFLAGS_bpf-fancy.o += $(MFLAG)
>  HOSTLDLIBS_bpf-direct += $(MFLAG)
>  HOSTLDLIBS_bpf-fancy += $(MFLAG)
>  HOSTLDLIBS_dropper += $(MFLAG)
> +HOSTLDLIBS_user-trap.o += $(MFLAG)
>  HOSTLDLIBS_user-trap += $(MFLAG)
>  endif
>  always := $(hostprogs-m)



-- 
Kees Cook