diff mbox series

[v3,5/6] kselftest/arm64: mte: user_mem: add more test types

Message ID 20220209152240.52788-6-joey.gouly@arm.com (mailing list archive)
State New, archived
Headers show
Series add more test coverage to MTE kselftests | expand

Commit Message

Joey Gouly Feb. 9, 2022, 3:22 p.m. UTC 
To expand the test coverage for MTE tags in userspace memory,
also perform the test with `write`, `readv` and `writev` syscalls.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Tested-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
---
 .../selftests/arm64/mte/check_user_mem.c      | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

Comments

Catalin Marinas Feb. 9, 2022, 6:43 p.m. UTC | #1 
On Wed, Feb 09, 2022 at 03:22:39PM +0000, Joey Gouly wrote:
> To expand the test coverage for MTE tags in userspace memory,
> also perform the test with `write`, `readv` and `writev` syscalls.
> 
> Signed-off-by: Joey Gouly <joey.gouly@arm.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Mark Brown <broonie@kernel.org>
> Cc: Shuah Khan <shuah@kernel.org>
> Reviewed-by: Mark Brown <broonie@kernel.org>
> Tested-by: Mark Brown <broonie@kernel.org>
> Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
diff mbox series

Patch

diff --git a/tools/testing/selftests/arm64/mte/check_user_mem.c b/tools/testing/selftests/arm64/mte/check_user_mem.c
index 58b1b272ca80..bb4974c437f8 100644
--- a/tools/testing/selftests/arm64/mte/check_user_mem.c
+++ b/tools/testing/selftests/arm64/mte/check_user_mem.c
@@ -11,6 +11,7 @@ 
 #include <string.h>
 #include <ucontext.h>
 #include <unistd.h>
+#include <sys/uio.h>
 #include <sys/mman.h>
 
 #include "kselftest.h"
@@ -21,6 +22,9 @@  static size_t page_sz;
 
 enum test_type {
 	READ_TEST,
+	WRITE_TEST,
+	READV_TEST,
+	WRITEV_TEST,
 	LAST_TEST,
 };
 
@@ -81,6 +85,23 @@  static int check_usermem_access_fault(int mem_type, int mode, int mapping,
 				case READ_TEST:
 					syscall_len = read(fd, ptr + ptroff, size);
 					break;
+				case WRITE_TEST:
+					syscall_len = write(fd, ptr + ptroff, size);
+					break;
+				case READV_TEST: {
+					struct iovec iov[1];
+					iov[0].iov_base = ptr + ptroff;
+					iov[0].iov_len = size;
+					syscall_len = readv(fd, iov, 1);
+					break;
+				}
+				case WRITEV_TEST: {
+					struct iovec iov[1];
+					iov[0].iov_base = ptr + ptroff;
+					iov[0].iov_len = size;
+					syscall_len = writev(fd, iov, 1);
+					break;
+				}
 				case LAST_TEST:
 					goto usermem_acc_err;
 				}