[PATCH bpf-next v2 15/31] selftests/bpf: Fix test_lsm on s390x

Ilya Leoshkevich
2023-01-28T00:07:51Z

Use syscall macros to access the setdomainname() arguments; currently
the code uses gprs[2] instead of orig_gpr2 for the first argument.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
---
tools/testing/selftests/bpf/progs/lsm.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/bpf/progs/lsm.c b/tools/testing/selftests/bpf/progs/lsm.c
index d8d8af623bc2..dc93887ed34c 100644
--- a/tools/testing/selftests/bpf/progs/lsm.c
+++ b/tools/testing/selftests/bpf/progs/lsm.c
@@ -6,9 +6,10 @@

#include "bpf_misc.h"
#include "vmlinux.h"
+#include <bpf/bpf_core_read.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
-#include <errno.h>
+#include <errno.h>

struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
@@ -164,8 +165,8 @@ int copy_test = 0;
SEC("fentry.s/" SYS_PREFIX "sys_setdomainname")
int BPF_PROG(test_sys_setdomainname, struct pt_regs *regs)
{
- void *ptr = (void *)PT_REGS_PARM1(regs);
- int len = PT_REGS_PARM2(regs);
+ void *ptr = (void *)PT_REGS_PARM1_SYSCALL(regs);
+ int len = PT_REGS_PARM2_SYSCALL(regs);
int buf = 0;
long ret;

--
2.39.1