From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yang Xu Date: Thu, 2 Apr 2020 23:06:25 +0800 Subject: [LTP] [PATCH v1 05/10] syscalls/ioctl_loop03: Add LOOP_CHANGE_FD test with WR mode In-Reply-To: <1585839990-19923-1-git-send-email-xuyang2018.jy@cn.fujitsu.com> References: <1585839990-19923-1-git-send-email-xuyang2018.jy@cn.fujitsu.com> Message-ID: <1585839990-19923-6-git-send-email-xuyang2018.jy@cn.fujitsu.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ltp@lists.linux.it It is designed to test LOOP_CHANGE_FD can not succeed(get EINAL error) when loop_dev is not read only. Signed-off-by: Yang Xu --- runtest/syscalls | 1 + testcases/kernel/syscalls/ioctl/.gitignore | 1 + .../kernel/syscalls/ioctl/ioctl_loop03.c | 76 +++++++++++++++++++ 3 files changed, 78 insertions(+) create mode 100644 testcases/kernel/syscalls/ioctl/ioctl_loop03.c diff --git a/runtest/syscalls b/runtest/syscalls index 719953497..a4591dd62 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -529,6 +529,7 @@ ioctl08 ioctl08 ioctl_loop01 ioctl_loop01 ioctl_loop02 ioctl_loop02 +ioctl_loop03 ioctl_loop03 ioctl_ns01 ioctl_ns01 ioctl_ns02 ioctl_ns02 diff --git a/testcases/kernel/syscalls/ioctl/.gitignore b/testcases/kernel/syscalls/ioctl/.gitignore index 534c4ab34..1501c2779 100644 --- a/testcases/kernel/syscalls/ioctl/.gitignore +++ b/testcases/kernel/syscalls/ioctl/.gitignore @@ -8,6 +8,7 @@ /ioctl08 /ioctl_loop01 /ioctl_loop02 +/ioctl_loop03 /ioctl_ns01 /ioctl_ns02 /ioctl_ns03 diff --git a/testcases/kernel/syscalls/ioctl/ioctl_loop03.c b/testcases/kernel/syscalls/ioctl/ioctl_loop03.c new file mode 100644 index 000000000..4e7c29cde --- /dev/null +++ b/testcases/kernel/syscalls/ioctl/ioctl_loop03.c @@ -0,0 +1,76 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2020 FUJITSU LIMITED. All rights reserved. + * Author: Yang Xu + * + * This is a basic ioctl test about loopdevice. + * + * It is designed to test LOOP_CHANGE_FD can not succeed(get EINAL error) + * when loop_dev is not read only. + */ + +#include +#include +#include +#include "ioctl_loop_support.h" +#include "lapi/loop.h" +#include "tst_test.h" + +static char dev_path[1024]; +static int dev_num, dev_fd, file_fd, attach_flag; + +static void verify_ioctl_loop(void) +{ + TEST(ioctl(dev_fd, LOOP_CHANGE_FD, file_fd)); + if (TST_RET == 0) { + tst_res(TFAIL, "LOOP_CHANGE_FD succeeded unexpectedly"); + return; + } + if (TST_ERR == EINVAL) + tst_res(TPASS | TTERRNO, "LOOP_CHANGE_FD failed as expected"); + else + tst_res(TFAIL | TTERRNO, "LOOP_CHANGE_FD failed expected EINVAL got"); +} + +static void setup(void) +{ + struct loop_info loopinfoget; + + memset(&loopinfoget, 0, sizeof(loopinfoget)); + dev_num = tst_find_free_loopdev(dev_path, sizeof(dev_path)); + if (dev_num < 0) + tst_brk(TBROK, "Failed to find free loop device"); + + tst_fill_file("test.img", 0, 1024, 10); + tst_attach_device(dev_path, "test.img"); + attach_flag = 1; + + dev_fd = SAFE_OPEN(dev_path, O_RDWR); + file_fd = SAFE_OPEN("test.img", O_RDWR); + SAFE_IOCTL(dev_fd, LOOP_GET_STATUS, &loopinfoget); + + if (loopinfoget.lo_flags & LO_FLAGS_READ_ONLY) + tst_brk(TCONF, "Current environment has unexpected LO_FLAGS_READ_ONLY flag"); +} + +static void cleanup(void) +{ + if (dev_fd > 0) + SAFE_CLOSE(dev_fd); + if (file_fd > 0) + SAFE_CLOSE(file_fd); + if (attach_flag) + tst_detach_device(dev_path); +} + +static struct tst_test test = { + .setup = setup, + .cleanup = cleanup, + .test_all = verify_ioctl_loop, + .needs_root = 1, + .needs_tmpdir = 1, + .needs_drivers = (const char *const []) { + "loop", + NULL + } +}; -- 2.23.0