* tests/unshare.c: New file.
* tests/unshare.test: New test.
* tests/.gitignore: Add unshare.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add unshare.test.
---
tests/.gitignore | 1 +
tests/Makefile.am | 2 ++
tests/unshare.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/unshare.test | 6 ++++
4 files changed, 91 insertions(+)
create mode 100644 tests/unshare.c
create mode 100755 tests/unshare.test
diff --git a/tests/.gitignore b/tests/.gitignore
index 11df7e3..e1c1be6 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -323,6 +323,7 @@ unix-pair-send-recv
unix-pair-sendto-recvfrom
unlink
unlinkat
+unshare
userfaultfd
utime
utimensat
diff --git a/tests/Makefile.am b/tests/Makefile.am
index b79f755..0c799b3 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -381,6 +381,7 @@ check_PROGRAMS = \
unix-pair-sendto-recvfrom \
unlink \
unlinkat \
+ unshare \
userfaultfd \
utime \
utimensat \
@@ -736,6 +737,7 @@ DECODER_TESTS = \
unix-pair-sendto-recvfrom.test \
unlink.test \
unlinkat.test \
+ unshare.test \
userfaultfd.test \
utime.test \
utimensat.test \
diff --git a/tests/unshare.c b/tests/unshare.c
new file mode 100644
index 0000000..7b702dc
--- /dev/null
+++ b/tests/unshare.c
@@ -0,0 +1,82 @@
+/*
+ * Check decoding of unshare syscall.
+ *
+ * Copyright (c) 2016 Eugene Syromyatnikov <evg...@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "tests.h"
+
+#include <asm/unistd.h>
+
+#ifdef __NR_unshare
+
+# include <stdio.h>
+# include <unistd.h>
+
+# include "kernel_types.h"
+
+int
+main(void)
+{
+ static const kernel_ulong_t bogus_flags =
+ (kernel_ulong_t) 0xbadc0ded0000000fULL;
+
+ static struct {
+ kernel_ulong_t val;
+ const char *str;
+ } unshare_flags[] = {
+ { ARG_STR(0) },
+ { 0xdeadca75,
+ "CLONE_THREAD|CLONE_FS|CLONE_SIGHAND|CLONE_SYSVSEM|"
+ "CLONE_NEWUTS|CLONE_NEWIPC|CLONE_NEWNET|CLONE_NEWUSER|"
+ "CLONE_NEWCGROUP|0x80a8c075" },
+ { 0x2000000, "CLONE_NEWCGROUP" },
+ { ARG_STR(0x81f8f0ff) " /* CLONE_??? */" },
+ };
+
+ long rc;
+ unsigned int i;
+
+ rc = syscall(__NR_unshare, bogus_flags);
+ printf("unshare(%#llx /* CLONE_??? */) = %s\n",
+ (unsigned long long) bogus_flags, sprintrc(rc));
+
+ for (i = 0; i < ARRAY_SIZE(unshare_flags); i++) {
+ rc = syscall(__NR_unshare, unshare_flags[i].val);
+ printf("unshare(%s) = %s\n",
+ unshare_flags[i].str, sprintrc(rc));
+ }
+
+ puts("+++ exited with 0 +++");
+
+ return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_unshare");
+
+#endif
diff --git a/tests/unshare.test b/tests/unshare.test
new file mode 100755
index 0000000..ccb9575
--- /dev/null
+++ b/tests/unshare.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check decoding of setns syscall.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff -a11
--
1.7.10.4
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