@@ -274,6 +274,7 @@ fchown05_16 fchown05_16
#fchownat test case
fchownat01 fchownat01
fchownat02 fchownat02
+fchownat03 fchownat03
fcntl01 fcntl01
fcntl01_64 fcntl01_64
@@ -1,2 +1,3 @@
/fchownat01
/fchownat02
+/fchownat03
new file mode 100644
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) International Business Machines Corp., 2006
+ * Copyright (c) Linux Test Project, 2003-2023
+ * AUTHOR: Yi Yang <yyangcdl@cn.ibm.com>
+ */
+
+/*\
+ * [Description]
+ *
+ * - fchownat() fails with ENOTDIR if dir_fd is file descriptor to the file
+ * and pathname is relative path of the file.
+ *
+ * - fchownat() fails with EBADF if dir_fd is invalid.
+ *
+ * - fchownat() fails with EINVAL if flag is invalid.
+ */
+
+#include <stdlib.h>
+#include "tst_test.h"
+
+#define TESTFILE "testfile"
+
+static int dir_fd, fd;
+static int no_fd = -1;
+static char *testfile;
+
+static struct tcase {
+ int *fds;
+ char **filenames;
+ int flag;
+ int exp_errno;
+} tcases[] = {
+ {&fd, &testfile, 0, ENOTDIR},
+ {&no_fd, &testfile, 0, EBADF},
+ {&dir_fd, &testfile, -1, EINVAL},
+};
+
+static void setup(void)
+{
+ dir_fd = SAFE_OPEN("./", O_DIRECTORY);
+
+ SAFE_TOUCH(TESTFILE, 0600, NULL);
+
+ fd = SAFE_OPEN("testfile2", O_CREAT | O_RDWR, 0600);
+}
+
+static void fchownat_verify(unsigned int i)
+{
+ struct tcase *tc = &tcases[i];
+
+ TST_EXP_FAIL(fchownat(*tc->fds, *tc->filenames, geteuid(), getegid(),
+ tc->flag), tc->exp_errno, "fchownat(%d, %s, %d, %d, %d)",
+ *tc->fds, *tc->filenames, geteuid(), getegid(), tc->flag);
+}
+
+static void cleanup(void)
+{
+ if (fd > -1)
+ close(fd);
+
+ if (dir_fd > -1)
+ close(dir_fd);
+}
+
+static struct tst_test test = {
+ .tcnt = ARRAY_SIZE(tcases),
+ .test = fchownat_verify,
+ .setup = setup,
+ .cleanup = cleanup,
+ .bufs = (struct tst_buffers []) {
+ {&testfile, .str = TESTFILE},
+ {},
+ },
+ .needs_tmpdir = 1,
+};
Check errnos for fchownat(). Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com> --- runtest/syscalls | 1 + testcases/kernel/syscalls/fchownat/.gitignore | 1 + .../kernel/syscalls/fchownat/fchownat03.c | 76 +++++++++++++++++++ 3 files changed, 78 insertions(+) create mode 100644 testcases/kernel/syscalls/fchownat/fchownat03.c