@@ -950,6 +950,7 @@ madvise09 madvise09
madvise10 madvise10
madvise11 madvise11
madvise12 madvise12
+madvise13 madvise13
newuname01 newuname01
@@ -10,3 +10,4 @@
/madvise10
/madvise11
/madvise12
+/madvise13
new file mode 100644
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) Huawei Technologies Co., Ltd. 2022. All rights reserved.
+ * Author: Zhao Gongyi <zhaogongyi@huawei.com>
+ */
+
+/*\
+ * [Description]
+ *
+ * Check that in madvise(2) MADV_REMOVE operation, the specified address
+ * range must be mapped shared and writable and this flag cannot be applied
+ * to locked pages.
+ */
+
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include "tst_test.h"
+
+#define MAP_SIZE (8 * 1024)
+#define FNAME "madvise_remove"
+#define MOUNT_POINT "mntpoint"
+
+static int fd;
+static struct tcase {
+ int prot;
+ int flags;
+ int exp;
+ int err;
+} tcases[] = {
+ {PROT_READ, MAP_PRIVATE, -1, EACCES},
+ {PROT_READ, MAP_PRIVATE | MAP_LOCKED, -1, EINVAL},
+ {PROT_READ, MAP_SHARED, -1, EACCES},
+ {PROT_READ, MAP_SHARED | MAP_LOCKED, -1, EINVAL},
+ {PROT_WRITE, MAP_PRIVATE, -1, EACCES},
+ {PROT_WRITE, MAP_PRIVATE | MAP_LOCKED, -1, EINVAL},
+ {PROT_WRITE, MAP_SHARED | MAP_LOCKED, -1, EINVAL},
+ {PROT_WRITE, MAP_SHARED, 0, 0},
+ {PROT_WRITE | PROT_READ, MAP_SHARED, 0, 0},
+};
+
+
+static void run(unsigned int i)
+{
+ char *addr = SAFE_MMAP(NULL, MAP_SIZE,
+ tcases[i].prot,
+ tcases[i].flags,
+ fd, 0);
+
+ if (tcases[i].exp)
+ TST_EXP_FAIL(madvise(addr, MAP_SIZE, MADV_REMOVE),
+ tcases[i].err);
+ else
+ TST_EXP_PASS(madvise(addr, MAP_SIZE, MADV_REMOVE));
+
+ SAFE_MUNMAP(addr, MAP_SIZE);
+}
+
+static void setup(void)
+{
+ fd = SAFE_OPEN(FNAME, O_CREAT | O_RDWR, 0777);
+}
+
+static void cleanup(void)
+{
+ SAFE_CLOSE(fd);
+ SAFE_UNLINK(FNAME);
+}
+
+static struct tst_test test = {
+ .needs_root = 1,
+ .tcnt = ARRAY_SIZE(tcases),
+ .test = run,
+ .min_kver = "2.6.16",
+ .setup = setup,
+ .cleanup = cleanup,
+ .all_filesystems = 1,
+ .mntpoint = MOUNT_POINT,
+ .mount_device = 1,
+};
+
Check that the specified address range must be mapped shared and writable and this flag cannot be applied to locked pages. Signed-off-by: Zhao Gongyi <zhaogongyi@huawei.com> --- runtest/syscalls | 1 + testcases/kernel/syscalls/madvise/.gitignore | 1 + testcases/kernel/syscalls/madvise/madvise13.c | 80 +++++++++++++++++++ 3 files changed, 82 insertions(+) create mode 100644 testcases/kernel/syscalls/madvise/madvise13.c -- 2.17.1