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tests: check decoding of fallocate syscall

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* 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.
This commit is contained in:
Eugene Syromyatnikov 2016-09-22 00:21:50 +03:00 committed by Dmitry V. Levin
parent 5af0e0dab8
commit dbb76606dc
5 changed files with 85 additions and 0 deletions

1
configure.ac

@ -281,6 +281,7 @@ AC_TYPE_UID_T
AC_CHECK_FUNCS(m4_normalize([
accept4
fallocate
fanotify_mark
fopen64
fork

1
tests/.gitignore vendored

@ -44,6 +44,7 @@ execve-v
execveat
execveat-v
faccessat
fallocate
fanotify_mark
fchdir
fchmod

2
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 \

75
tests/fallocate.c Normal file

@ -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

6
tests/fallocate.test Executable file

@ -0,0 +1,6 @@
#!/bin/sh
# Check getcwd syscall decoding.
. "${srcdir=.}/init.sh"
run_strace_match_diff -a18