| Message ID | 20220209152240.52788-6-joey.gouly@arm.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | e8d3974f34fa8ac38915c307677657b4d6acc619 |
| Headers | show |
| Series | add more test coverage to MTE kselftests | expand |
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 --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; }