@@ -532,6 +532,7 @@ ioctl_loop02 ioctl_loop02
ioctl_loop03 ioctl_loop03
ioctl_loop04 ioctl_loop04
ioctl_loop05 ioctl_loop05
+ioctl_loop06 ioctl_loop06
ioctl_ns01 ioctl_ns01
ioctl_ns02 ioctl_ns02
@@ -11,6 +11,7 @@
/ioctl_loop03
/ioctl_loop04
/ioctl_loop05
+/ioctl_loop06
/ioctl_ns01
/ioctl_ns02
/ioctl_ns03
new file mode 100644
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2020 FUJITSU LIMITED. All rights reserved.
+ * Author: Yang Xu <xuyang2018.jy@cn.jujitsu.com>
+ *
+ * This is a basic ioctl error test about loopdevice
+ * LOOP_SET_BLOCK_SIZE.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <stdlib.h>
+#include "ioctl_loop_support.h"
+#include "lapi/loop.h"
+#include "tst_test.h"
+
+static char dev_path[1024], sys_loop_logicalpath[1024];
+static int dev_num, dev_fd, attach_flag;
+static unsigned int invalid_value, half_value, unalign_value;
+
+static struct tcase {
+ unsigned int *setvalue;
+ int exp_err;
+ char *message;
+} tcases[] = {
+ {&half_value, EINVAL, "arg < 512"},
+ {&invalid_value, EINVAL, "arg > PAGE_SIZE"},
+ {&unalign_value, EINVAL, "arg != power_of_2"},
+};
+
+static void verify_ioctl_loop(unsigned int n)
+{
+ struct tcase *tc = &tcases[n];
+
+ tst_res(TINFO, "%s", tc->message);
+ TEST(ioctl(dev_fd, LOOP_SET_BLOCK_SIZE, *(tc->setvalue)));
+ if (TST_RET == 0) {
+ tst_res(TFAIL, "LOOP_SET_BLOCK_SIZE succeed unexpectedly");
+ return;
+ }
+ if (TST_ERR == tc->exp_err)
+ tst_res(TPASS | TTERRNO, "LOOP_SET_BLOCK_SIZE failed as expected");
+ else
+ tst_res(TFAIL | TTERRNO, "LOOP_SET_BLOCK_SIZE failed expected %s got",
+ tst_strerrno(tc->exp_err));
+}
+
+static void setup(void)
+{
+ unsigned int pg_size;
+
+ dev_num = tst_find_free_loopdev(dev_path, sizeof(dev_path));
+ if (dev_num < 0)
+ tst_brk(TBROK, "Failed to find free loop device");
+
+ sprintf(sys_loop_logicalpath, "/sys/block/loop%d/logical_block_size", dev_num);
+ tst_fill_file("test.img", 0, 1024, 1024);
+ tst_attach_device(dev_path, "test.img");
+ attach_flag = 1;
+ half_value = 256;
+ pg_size = getpagesize();
+ invalid_value = pg_size * 2 ;
+ unalign_value = pg_size - 1;
+
+ dev_fd = SAFE_OPEN(dev_path, O_RDWR);
+ check_support_cmd(dev_fd, LOOP_SET_BLOCK_SIZE, 512, "LOOP_SET_BLOCK_SIZE");
+}
+
+static void cleanup(void)
+{
+ if (dev_fd > 0)
+ SAFE_CLOSE(dev_fd);
+ if (attach_flag)
+ tst_detach_device(dev_path);
+ unlink("test.img");
+}
+
+static struct tst_test test = {
+ .setup = setup,
+ .cleanup = cleanup,
+ .test = verify_ioctl_loop,
+ .tcnt = ARRAY_SIZE(tcases),
+ .needs_root = 1,
+ .needs_tmpdir = 1,
+ .needs_drivers = (const char *const []) {
+ "loop",
+ NULL
+ }
+};
Signed-off-by: Yang Xu <xuyang2018.jy@cn.fujitsu.com> --- runtest/syscalls | 1 + testcases/kernel/syscalls/ioctl/.gitignore | 1 + .../kernel/syscalls/ioctl/ioctl_loop06.c | 90 +++++++++++++++++++ 3 files changed, 92 insertions(+) create mode 100644 testcases/kernel/syscalls/ioctl/ioctl_loop06.c