tests: check decoding of fallocate syscall

* configure.ac (AC_CHECK_FUNCS): Add fallocate.
* tests/fallocate.c: New file.
* tests/fallocate.test: New test.
* tests/.gitignore: Add fallocate.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add fallocate.test.

diff --git a/configure.ac b/configure.ac
index 5c924e7e4da1547a517b73e5e37583f986b0d127..404dfb9da4ecacaebc362c45bee6a4833f0c5d9d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -281,6 +281,7 @@ AC_TYPE_UID_T
 
 AC_CHECK_FUNCS(m4_normalize([
        accept4
+       fallocate
        fanotify_mark
        fopen64
        fork

diff --git a/tests/.gitignore b/tests/.gitignore
index 471e492e4b2ad5efe464bb9a4fcaa620274a5f17..12c7a577007e380d4992faa59c313854f53bd079 100644 (file)
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -44,6 +44,7 @@ execve-v
 execveat
 execveat-v
 faccessat
+fallocate
 fanotify_mark
 fchdir
 fchmod

diff --git a/tests/Makefile.am b/tests/Makefile.am
index acedc0ae938e38b2b9ac2702a933645d3a3178be..0e4ad140ced7a861881e909361120fcea0c912d0 100644 (file)
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -103,6 +103,7 @@ check_PROGRAMS = \
        execveat \
        execveat-v \
        faccessat \
+       fallocate \
        fanotify_mark \
        fchdir \
        fchmod \
@@ -444,6 +445,7 @@ DECODER_TESTS = \
        execveat-v.test \
        execveat.test \
        faccessat.test \
+       fallocate.test \
        fanotify_mark.test \
        fchdir.test \
        fchmod.test \

diff --git a/tests/fallocate.c b/tests/fallocate.c
new file mode 100644 (file)
index 0000000..40ac244
--- /dev/null
+++ b/tests/fallocate.c
@@ -0,0 +1,75 @@
+/*
+ * Check decoding of fallocate syscall.
+ *
+ * Copyright (c) 2016 Eugene Syromiatnikov <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>
+
+#if defined(__NR_fallocate) && defined(HAVE_FALLOCATE) && HAVE_FALLOCATE
+
+# include <errno.h>
+# include <fcntl.h>
+# include <stdio.h>
+
+# include "xlat.h"
+# include "xlat/falloc_flags.h"
+
+int
+main(void)
+{
+       static const int bogus_fd = 0xbeefface;
+       static const int bogus_mode = 0xdeadca75;
+       static const off_t bogus_offset = (off_t) 0xbadc0dedda7a1057LLU;
+       static const off_t bogus_len = (off_t) 0xbadfaceca7b0d1e5LLU;
+
+       long rc = fallocate(bogus_fd, bogus_mode, bogus_offset, bogus_len);
+       /*
+        * Workaround a bug fixed by commit glibc-2.11-346-gde240a0.
+        */
+       if (rc > 0) {
+               errno = rc;
+               rc = -1;
+       }
+       const char *errstr = sprintrc(rc);
+
+       printf("fallocate(%d, ", bogus_fd);
+       printflags(falloc_flags, (unsigned) bogus_mode, "FALLOC_FL_???");
+       printf(", %lld, %lld) = %s\n",
+              (long long) bogus_offset, (long long) bogus_len, errstr);
+
+       puts("+++ exited with 0 +++");
+
+       return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_fallocate && HAVE_FALLOCATE");
+
+#endif

diff --git a/tests/fallocate.test b/tests/fallocate.test
new file mode 100755 (executable)
index 0000000..405187e
--- /dev/null
+++ b/tests/fallocate.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check getcwd syscall decoding.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff -a18