linux-kernel - [tip:x86/urgent] samples/seccomp: Fix 32-bit build

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Message-ID: <tip-a77d1d196bc63b37d9b4d1b614884669e8e79d32@git.kernel.org>
Date:   Mon, 7 Jan 2019 22:48:56 -0800
From:   tip-bot for Tycho Andersen <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     bp@...en8.de, peterz@...radead.org, linux-kernel@...r.kernel.org,
        torvalds@...ux-foundation.org, keescook@...omium.org,
        jmorris@...ei.org, tycho@...ho.ws, tglx@...utronix.de,
        mingo@...nel.org, hpa@...or.com
Subject: [tip:x86/urgent] samples/seccomp: Fix 32-bit build

Commit-ID:  a77d1d196bc63b37d9b4d1b614884669e8e79d32
Gitweb:     https://git.kernel.org/tip/a77d1d196bc63b37d9b4d1b614884669e8e79d32
Author:     Tycho Andersen <tycho@...ho.ws>
AuthorDate: Mon, 7 Jan 2019 16:16:31 -0700
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 8 Jan 2019 07:45:01 +0100

samples/seccomp: Fix 32-bit build

Both the .o and the actual executable need to be built with -m32 in order
to link correctly.

Reported-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Tycho Andersen <tycho@...ho.ws>
Reviewed-by: Kees Cook <keescook@...omium.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: James Morris <jmorris@...ei.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Fixes: fec7b6690541 ("samples: add an example of seccomp user trap")
Link: http://lkml.kernel.org/r/20190107231631.1849-1-tycho@tycho.ws
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 samples/seccomp/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/samples/seccomp/Makefile b/samples/seccomp/Makefile
index 4920903c8009..fb43a814d4c0 100644
--- a/samples/seccomp/Makefile
+++ b/samples/seccomp/Makefile
@@ -34,6 +34,7 @@ HOSTCFLAGS_bpf-direct.o += $(MFLAG)
 HOSTCFLAGS_dropper.o += $(MFLAG)
 HOSTCFLAGS_bpf-helper.o += $(MFLAG)
 HOSTCFLAGS_bpf-fancy.o += $(MFLAG)
+HOSTCFLAGS_user-trap.o += $(MFLAG)
 HOSTLDLIBS_bpf-direct += $(MFLAG)
 HOSTLDLIBS_bpf-fancy += $(MFLAG)
 HOSTLDLIBS_dropper += $(MFLAG)