Commit 807662ca authored by Artem Savkov's avatar Artem Savkov Committed by Andrii Nakryiko
Browse files

selftests/bpf: Fix attach point for non-x86 arches in test_progs/lsm 



Use SYS_PREFIX macro from bpf_misc.h instead of hard-coded '__x64_'
prefix for sys_setdomainname attach point in lsm test.

Signed-off-by: default avatarArtem Savkov <asavkov@redhat.com>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220816055231.717006-1-asavkov@redhat.com
parent 1f235777

tools/testing/selftests/bpf/DENYLIST.s390x

+1 −1
Original line number Diff line number Diff line
@@ -43,7 +43,7 @@ test_bpffs # bpffs test failed 255 
test_bprm_opts                           # failed to auto-attach program 'secure_exec': -524                           (trampoline)

test_ima                                 # failed to auto-attach program 'ima': -524                                   (trampoline)

test_local_storage                       # failed to auto-attach program 'unlink_hook': -524                           (trampoline)

test_lsm                                 # failed to find kernel BTF type ID of '__x64_sys_setdomainname': -3          (?)

test_lsm                                 # attach unexpected error: -524                                               (trampoline)

test_overhead                            # attach_fentry unexpected error: -524                                        (trampoline)

test_profiler                            # unknown func bpf_probe_read_str#45                                          (overlapping)

timer                                    # failed to auto-attach program 'test1': -524                                 (trampoline)

tools/testing/selftests/bpf/progs/lsm.c

+2 −1
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ 
 * Copyright 2020 Google LLC.

 */



#include "bpf_misc.h"

#include "vmlinux.h"

#include <bpf/bpf_helpers.h>

#include <bpf/bpf_tracing.h>
@@ -160,7 +161,7 @@ int BPF_PROG(test_task_free, struct task_struct *task) 


int copy_test = 0;



SEC("fentry.s/__x64_sys_setdomainname")

SEC("fentry.s/" SYS_PREFIX "sys_setdomainname")

int BPF_PROG(test_sys_setdomainname, struct pt_regs *regs)

{

	void *ptr = (void *)PT_REGS_PARM1(regs);