tests: check decoding of setns syscall

* tests/setns.c: New file.
* tests/setns.test: New test.
* tests/.gitignore: Add setns.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add setns.test.

diff --git a/tests/.gitignore b/tests/.gitignore
index e1537f02f5cbfd2ade3f55911c27046857c17410..a11ac64b5ea1b43361fadc7e4b83785177c16895 100644 (file)
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -258,6 +258,7 @@ setgid32
 setgroups
 setgroups32
 sethostname
+setns
 setregid
 setregid32
 setresgid

diff --git a/tests/Makefile.am b/tests/Makefile.am
index b62f2568b2333193ec77e17c42263c1e778ada31..990df66bf400fc5198ae963b3400940581339b04 100644 (file)
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -316,6 +316,7 @@ check_PROGRAMS = \
        setgroups \
        setgroups32 \
        sethostname \
+       setns \
        setregid \
        setregid32 \
        setresgid \
@@ -665,6 +666,7 @@ DECODER_TESTS = \
        setgroups.test \
        setgroups32.test \
        sethostname.test \
+       setns.test \
        setregid.test \
        setregid32.test \
        setresgid.test \

diff --git a/tests/setns.c b/tests/setns.c
new file mode 100644 (file)
index 0000000..5c08802
--- /dev/null
+++ b/tests/setns.c
@@ -0,0 +1,75 @@
+/*
+ * Check decoding of setns syscall.
+ *
+ * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@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_setns
+
+# include <stdio.h>
+# include <unistd.h>
+
+# include "kernel_types.h"
+
+int
+main(void)
+{
+       static const kernel_ulong_t bogus_fd =
+               (kernel_ulong_t) 0xfeedfacedeadc0deULL;
+
+       static struct {
+               kernel_ulong_t val;
+               const char *str;
+       } nstypes[] = {
+               { (kernel_ulong_t) 0xdefaced100000000ULL, "0" },
+               { (kernel_ulong_t) 0xbadc0dedfeedfaceULL,
+                       "0xfeedface /* CLONE_NEW??? */" },
+               { (kernel_ulong_t) 0xca75f15702000000ULL, "CLONE_NEWCGROUP" },
+       };
+
+       long rc;
+       unsigned int i;
+
+       for (i = 0; i < ARRAY_SIZE(nstypes); i++) {
+               rc = syscall(__NR_setns, bogus_fd, nstypes[i].val);
+               printf("setns(%d, %s) = %s\n",
+                       (int) bogus_fd, nstypes[i].str, sprintrc(rc));
+       }
+
+       puts("+++ exited with 0 +++");
+
+       return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_setns");
+
+#endif

diff --git a/tests/setns.test b/tests/setns.test
new file mode 100755 (executable)
index 0000000..e9a905a
--- /dev/null
+++ b/tests/setns.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check decoding of setns syscall.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff -a21