linux-kernel - [PATCH 5.9 172/252] selftests/seccomp: sh: Fix register names

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Date:   Mon, 23 Nov 2020 13:22:02 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        Kees Cook <keescook@...omium.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.9 172/252] selftests/seccomp: sh: Fix register names

From: Kees Cook <keescook@...omium.org>

[ Upstream commit 4c222f31fb1db4d590503a181a6268ced9252379 ]

It looks like the seccomp selftests was never actually built for sh.
This fixes it, though I don't have an environment to do a runtime test
of it yet.

Fixes: 0bb605c2c7f2b4b3 ("sh: Add SECCOMP_FILTER")
Tested-by: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
Link: https://lore.kernel.org/lkml/a36d7b48-6598-1642-e403-0c77a86f416d@physik.fu-berlin.de
Signed-off-by: Kees Cook <keescook@...omium.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/testing/selftests/seccomp/seccomp_bpf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 6a27b12e9b3c2..687ca8afe0e83 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -1738,8 +1738,8 @@ TEST_F(TRACE_poke, getpid_runs_normally)
 #define SYSCALL_RET(_regs)	(_regs).a[(_regs).windowbase * 4 + 2]
 #elif defined(__sh__)
 # define ARCH_REGS		struct pt_regs
-# define SYSCALL_NUM(_regs)	(_regs).gpr[3]
-# define SYSCALL_RET(_regs)	(_regs).gpr[0]
+# define SYSCALL_NUM(_regs)	(_regs).regs[3]
+# define SYSCALL_RET(_regs)	(_regs).regs[0]
 #else
 # error "Do not know how to find your architecture's registers and syscalls"
 #endif
-- 
2.27.0