[LTP] [PATCH v2 7/7] Add ioctl_ficlone04 test

[Andrea Cervesato]

From: Andrea Cervesato <andrea.cervesato@suse.com>

This test verifies that ioctl() FICLONE/FICLONERANGE feature raises
the right error according with bad file descriptors.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 testcases/kernel/syscalls/ioctl/.gitignore        |   1 +
 testcases/kernel/syscalls/ioctl/ioctl_ficlone04.c | 108 ++++++++++++++++++++++
 2 files changed, 109 insertions(+)

diff --git a/testcases/kernel/syscalls/ioctl/.gitignore b/testcases/kernel/syscalls/ioctl/.gitignore
index 9f995b1ad..1f099ff95 100644
--- a/testcases/kernel/syscalls/ioctl/.gitignore
+++ b/testcases/kernel/syscalls/ioctl/.gitignore
@@ -25,5 +25,6 @@
 /ioctl_ficlone01
 /ioctl_ficlone02
 /ioctl_ficlone03
+/ioctl_ficlone04
 /ioctl_ficlonerange01
 /ioctl_ficlonerange02
diff --git a/testcases/kernel/syscalls/ioctl/ioctl_ficlone04.c b/testcases/kernel/syscalls/ioctl/ioctl_ficlone04.c
new file mode 100644
index 000000000..6be0b8d41
--- /dev/null
+++ b/testcases/kernel/syscalls/ioctl/ioctl_ficlone04.c
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2024 Andrea Cervesato andrea.cervesato@suse.com
+ */
+
+/*\
+ * [Description]
+ *
+ * This test verifies that ioctl() FICLONE/FICLONERANGE feature raises the right
+ * error according with bad file descriptors.
+ */
+
+#include "tst_test.h"
+#include "lapi/fs.h"
+
+static void test_bad_fd(struct tst_fd *fd_src, struct tst_fd *fd_dst)
+{
+	if (fd_src->type == TST_FD_FILE && fd_src->type == fd_dst->type) {
+		tst_res(TCONF, "Skipping file: SUCCESS");
+		return;
+	}
+
+	switch (fd_src->type) {
+	case TST_FD_DEV_ZERO:
+	case TST_FD_PROC_MAPS:
+	case TST_FD_PIPE_READ:
+	case TST_FD_PIPE_WRITE:
+	case TST_FD_UNIX_SOCK:
+	case TST_FD_INET_SOCK:
+	case TST_FD_EPOLL:
+	case TST_FD_EVENTFD:
+	case TST_FD_SIGNALFD:
+	case TST_FD_TIMERFD:
+	case TST_FD_PIDFD:
+	case TST_FD_FANOTIFY:
+	case TST_FD_INOTIFY:
+	case TST_FD_USERFAULTFD:
+	case TST_FD_PERF_EVENT:
+	case TST_FD_IO_URING:
+	case TST_FD_BPF_MAP:
+	case TST_FD_FSOPEN:
+	case TST_FD_FSPICK:
+	case TST_FD_OPEN_TREE:
+	case TST_FD_MEMFD:
+	case TST_FD_MEMFD_SECRET:
+		return;
+	default:
+		break;
+	}
+
+	int exp_errnos[2];
+
+	switch (fd_src->type) {
+	case TST_FD_FILE:
+		exp_errnos[0] = 0;
+		break;
+	case TST_FD_DIR:
+		exp_errnos[0] = EISDIR;
+		break;
+	case TST_FD_PATH:
+	case TST_FD_OPEN_TREE:
+		exp_errnos[0] = EBADF;
+		break;
+	case TST_FD_DEV_ZERO:
+		exp_errnos[0] = EXDEV;
+		break;
+	default:
+		exp_errnos[0] = EINVAL;
+		break;
+	}
+
+	switch (fd_dst->type) {
+	case TST_FD_FILE:
+		exp_errnos[1] = 0;
+		break;
+	case TST_FD_DIR:
+		exp_errnos[1] = EISDIR;
+		break;
+	case TST_FD_PATH:
+	case TST_FD_OPEN_TREE:
+		exp_errnos[1] = EBADF;
+		break;
+	default:
+		exp_errnos[1] = EXDEV;
+		break;
+	}
+
+	TST_EXP_FAIL2_ARR(ioctl(fd_dst->fd, FICLONE, fd_src->fd),
+		exp_errnos, ARRAY_SIZE(exp_errnos),
+		"ioctl(%s, FICLONE, %s)",
+		tst_fd_desc(fd_src),
+		tst_fd_desc(fd_dst));
+}
+
+static void run(void)
+{
+	TST_FD_FOREACH(fd_src) {
+		TST_FD_FOREACH(fd_dst)
+			test_bad_fd(&fd_src, &fd_dst);
+	}
+}
+
+static struct tst_test test = {
+	.test_all = run,
+	.min_kver = "4.5",
+	.needs_root = 1,
+	.needs_tmpdir = 1,
+};

-- 
2.43.0