From e8d3974f34fa8ac38915c307677657b4d6acc619 Mon Sep 17 00:00:00 2001 From: Joey Gouly Date: Wed, 9 Feb 2022 15:22:39 +0000 Subject: [PATCH] kselftest/arm64: mte: user_mem: add more test types 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 Cc: Catalin Marinas Cc: Will Deacon Cc: Mark Brown Cc: Shuah Khan Reviewed-by: Mark Brown Tested-by: Mark Brown Reviewed-by: Shuah Khan Reviewed-by: Catalin Marinas Link: https://lore.kernel.org/r/20220209152240.52788-6-joey.gouly@arm.com Signed-off-by: Will Deacon --- tools/testing/selftests/arm64/mte/check_user_mem.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/tools/testing/selftests/arm64/mte/check_user_mem.c b/tools/testing/selftests/arm64/mte/check_user_mem.c index 58b1b27..bb4974c 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 #include #include +#include #include #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; } -- 2.7.4