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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id x20sm4980626pfr.190.2020.09.12.04.08.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 12 Sep 2020 04:08:27 -0700 (PDT) From: Kees Cook To: linux-kernel@vger.kernel.org Subject: [PATCH 05/15] selftests/seccomp: arm64: Define SYSCALL_NUM_SET macro Date: Sat, 12 Sep 2020 04:08:10 -0700 Message-Id: <20200912110820.597135-6-keescook@chromium.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200912110820.597135-1-keescook@chromium.org> References: <20200912110820.597135-1-keescook@chromium.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200912_070830_176259_C8F6C754 X-CRM114-Status: GOOD ( 13.40 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thadeu Lima de Souza Cascardo , Will Drewry , Kees Cook , linux-xtensa@linux-xtensa.org, Michael Ellerman , linux-mips@vger.kernel.org, Andy Lutomirski , Max Filippov , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Christian Brauner Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Remove the arm64 special-case in change_syscall(). Signed-off-by: Kees Cook --- tools/testing/selftests/seccomp/seccomp_bpf.c | 27 +++++++++---------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 610fc036e374..cfa606d96086 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -1717,6 +1717,18 @@ TEST_F(TRACE_poke, getpid_runs_normally) #elif defined(__aarch64__) # define ARCH_REGS struct user_pt_regs # define SYSCALL_NUM(_regs) (_regs).regs[8] +# ifndef NT_ARM_SYSTEM_CALL +# define NT_ARM_SYSTEM_CALL 0x404 +# endif +# define SYSCALL_NUM_SET(_regs, _nr) \ + do { \ + struct iovec __v; \ + typeof(_nr) __nr = (_nr); \ + __v.iov_base = &__nr; \ + __v.iov_len = sizeof(__nr); \ + EXPECT_EQ(0, ptrace(PTRACE_SETREGSET, tracee, \ + NT_ARM_SYSTEM_CALL, &__v)); \ + } while (0) # define SYSCALL_RET(_regs) (_regs).regs[0] #elif defined(__riscv) && __riscv_xlen == 64 # define ARCH_REGS struct user_regs_struct @@ -1852,23 +1864,10 @@ void change_syscall(struct __test_metadata *_metadata, #if defined(__x86_64__) || defined(__i386__) || defined(__powerpc__) || \ defined(__s390__) || defined(__hppa__) || defined(__riscv) || \ defined(__xtensa__) || defined(__csky__) || defined(__sh__) || \ - defined(__mips__) || defined(__arm__) + defined(__mips__) || defined(__arm__) || defined(__aarch64__) { SYSCALL_NUM_SET(regs, syscall); } - -#elif defined(__aarch64__) -# ifndef NT_ARM_SYSTEM_CALL -# define NT_ARM_SYSTEM_CALL 0x404 -# endif - { - iov.iov_base = &syscall; - iov.iov_len = sizeof(syscall); - ret = ptrace(PTRACE_SETREGSET, tracee, NT_ARM_SYSTEM_CALL, - &iov); - EXPECT_EQ(0, ret); - } - #else ASSERT_EQ(1, 0) { TH_LOG("How is the syscall changed on this architecture?"); -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel