[PATCH 04/26] tests: Add checks for {init,finit,delete}_module syscall decoders
Eugene Syromyatnikov
evgsyr at gmail.com
Mon Oct 24 03:00:18 UTC 2016
* tests/.gitignore: Add delete_nodule, finit_module, init_module.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add delete_module.test, finit_module.test,
init_module.test.
(EXTRA_DIST): Add init_delete_module.h.
* tests/delete_module.c: New file.
* tests/delete_module.test: Likewise.
* tests/finit_module.c: Likewise.
* tests/finit_module.test: Likewise.
* tests/init_delete_module.c: Likewise.
* tests/init_module.c: Likewise.
* tests/init_module.test: Likewise.
---
tests/.gitignore | 3 ++
tests/Makefile.am | 7 +++
tests/delete_module.c | 118 +++++++++++++++++++++++++++++++++++++++++
tests/delete_module.test | 6 +++
tests/finit_module.c | 124 ++++++++++++++++++++++++++++++++++++++++++++
tests/finit_module.test | 6 +++
tests/init_delete_module.h | 37 +++++++++++++
tests/init_module.c | 113 ++++++++++++++++++++++++++++++++++++++++
tests/init_module.test | 6 +++
9 files changed, 420 insertions(+)
create mode 100644 tests/delete_module.c
create mode 100755 tests/delete_module.test
create mode 100644 tests/finit_module.c
create mode 100755 tests/finit_module.test
create mode 100644 tests/init_delete_module.h
create mode 100644 tests/init_module.c
create mode 100755 tests/init_module.test
diff --git a/tests/.gitignore b/tests/.gitignore
index 85798bb..191bb6f 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -31,6 +31,7 @@ clock_xettime
copy_file_range
count-f
creat
+delete_module
dup
dup2
dup3
@@ -61,6 +62,7 @@ fdatasync
file_handle
file_ioctl
filter-unavailable
+finit_module
flock
fork-f
fstat
@@ -101,6 +103,7 @@ getuid
getuid32
getxxid
inet-cmsg
+init_module
inotify
inotify_init1
ioctl
diff --git a/tests/Makefile.am b/tests/Makefile.am
index c5ebb69..e3adfbf 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -91,6 +91,7 @@ check_PROGRAMS = \
copy_file_range \
count-f \
creat \
+ delete_module \
dup \
dup2 \
dup3 \
@@ -121,6 +122,7 @@ check_PROGRAMS = \
file_handle \
file_ioctl \
filter-unavailable \
+ finit_module \
flock \
fork-f \
fstat \
@@ -161,6 +163,7 @@ check_PROGRAMS = \
getuid32 \
getxxid \
inet-cmsg \
+ init_module \
inotify \
inotify_init1 \
ioctl \
@@ -449,6 +452,7 @@ DECODER_TESTS = \
clock_xettime.test \
copy_file_range.test \
creat.test \
+ delete_module.test \
dup.test \
dup2.test \
dup3.test \
@@ -478,6 +482,7 @@ DECODER_TESTS = \
fdatasync.test \
file_handle.test \
file_ioctl.test \
+ finit_module.test \
flock.test \
fstat.test \
fstat64.test \
@@ -517,6 +522,7 @@ DECODER_TESTS = \
getuid32.test \
getxxid.test \
inet-cmsg.test \
+ init_module.test \
inotify.test \
inotify_init1.test \
ioctl.test \
@@ -787,6 +793,7 @@ EXTRA_DIST = init.sh run.sh match.awk \
fstatat.c \
fstatx.c \
getresugid.c \
+ init_delete_module.h \
ipc.sh \
ipc_msgbuf.expected \
ksysent.sed \
diff --git a/tests/delete_module.c b/tests/delete_module.c
new file mode 100644
index 0000000..7e3de20
--- /dev/null
+++ b/tests/delete_module.c
@@ -0,0 +1,118 @@
+/*
+ * Check decoding of delete_module syscall.
+ *
+ * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr at 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_delete_module)
+
+# include <errno.h>
+# include <stdio.h>
+# include <unistd.h>
+
+# include "init_delete_module.h"
+
+int
+main(void)
+{
+ static const struct {
+ kernel_ulong_t val;
+ const char *str;
+ } flags[] = {
+ { ARG_STR(0) },
+ { (kernel_ulong_t) 0xffffffff00000800ULL, "O_NONBLOCK" },
+ { (kernel_ulong_t) 0xbadc0dedfacef157ULL,
+ "0xfacef157 /* O_??? */" },
+ { (kernel_ulong_t) 0xfacef157deade71cULL,
+ "O_TRUNC|0xdeade51c" },
+ { -1LL, "O_NONBLOCK|O_TRUNC|0xfffff5ff" },
+ };
+
+ long rc;
+ char *bogus_param1 = tail_alloc(PARAM1_LEN);
+ char *bogus_param2 = tail_alloc(PARAM2_LEN);
+ int saved_errno;
+
+ fill_memory_ex(bogus_param1, PARAM1_LEN, PARAM1_BASE, PARAM1_LEN);
+ fill_memory_ex(bogus_param2, PARAM2_LEN, PARAM2_BASE, PARAM2_LEN);
+
+ rc = syscall(__NR_delete_module, NULL, bogus_zero);
+ printf("delete_module(NULL, 0) = %s\n", sprintrc(rc));
+
+ rc = syscall(__NR_delete_module, bogus_param1, flags[0].val);
+ saved_errno = errno;
+
+ printf("delete_module(\"");
+ print_str(PARAM1_BASE, MAX_STRLEN, false);
+
+ errno = saved_errno;
+ printf("\"..., %s) = %s\n", flags[0].str, sprintrc(rc));
+
+ bogus_param1[PARAM1_LEN - 1] = '\0';
+
+ rc = syscall(__NR_delete_module, bogus_param1, flags[1].val);
+ saved_errno = errno;
+
+ printf("delete_module(\"");
+ print_str(PARAM1_BASE, MAX_STRLEN, false);
+
+ errno = saved_errno;
+ printf("\", %s) = %s\n", flags[1].str, sprintrc(rc));
+
+ rc = syscall(__NR_delete_module, bogus_param2 + PARAM2_LEN,
+ flags[2].val);
+ printf("delete_module(%p, %s) = %s\n",
+ bogus_param2 + PARAM2_LEN, flags[2].str, sprintrc(rc));
+
+ rc = syscall(__NR_delete_module, bogus_param2, flags[3].val);
+ printf("delete_module(%p, %s) = %s\n",
+ bogus_param2, flags[3].str, sprintrc(rc));
+
+ bogus_param2[PARAM2_LEN - 1] = '\0';
+
+ rc = syscall(__NR_delete_module, bogus_param2, flags[4].val);
+ saved_errno = errno;
+
+ printf("delete_module(\"");
+ print_str(PARAM2_BASE, PARAM2_LEN - 1, true);
+
+ saved_errno = errno;
+ printf("\", %s) = %s\n", flags[4].str, sprintrc(rc));
+
+ puts("+++ exited with 0 +++");
+
+ return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_delete_module");
+
+#endif
diff --git a/tests/delete_module.test b/tests/delete_module.test
new file mode 100755
index 0000000..4cee71a
--- /dev/null
+++ b/tests/delete_module.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check decoding of delete_module syscall.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff -a1
diff --git a/tests/finit_module.c b/tests/finit_module.c
new file mode 100644
index 0000000..1c626dc
--- /dev/null
+++ b/tests/finit_module.c
@@ -0,0 +1,124 @@
+/*
+ * Check decoding of finit_module syscall.
+ *
+ * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr at 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_finit_module)
+
+# include <errno.h>
+# include <stdio.h>
+# include <unistd.h>
+
+# include "init_delete_module.h"
+
+int
+main(void)
+{
+ static const kernel_ulong_t bogus_fd =
+ (kernel_ulong_t) 0xdeb0d1edbeeff00dULL;
+
+ static const struct {
+ kernel_ulong_t val;
+ const char *str;
+ } flags[] = {
+ { ARG_STR(0) },
+ { (kernel_ulong_t) 0xffffffff00000002ULL,
+ "MODULE_INIT_IGNORE_VERMAGIC" },
+ { (kernel_ulong_t) 0xbadc0deddefaced0ULL,
+ "0xdefaced0 /* MODULE_INIT_??? */" },
+ { (kernel_ulong_t) 0xfacef157dec0ded1ULL,
+ "MODULE_INIT_IGNORE_MODVERSIONS|0xdec0ded0" },
+ { -1LL, "MODULE_INIT_IGNORE_MODVERSIONS|"
+ "MODULE_INIT_IGNORE_VERMAGIC|0xfffffffc" },
+ };
+
+ long rc;
+ char *bogus_param1 = tail_alloc(PARAM1_LEN);
+ char *bogus_param2 = tail_alloc(PARAM2_LEN);
+ int saved_errno;
+
+ fill_memory_ex(bogus_param1, PARAM1_LEN, PARAM1_BASE, PARAM1_LEN);
+ fill_memory_ex(bogus_param2, PARAM2_LEN, PARAM2_BASE, PARAM2_LEN);
+
+ rc = syscall(__NR_finit_module, bogus_zero, NULL, bogus_zero);
+ printf("finit_module(0, NULL, 0) = %s\n", sprintrc(rc));
+
+ rc = syscall(__NR_finit_module, bogus_fd, bogus_param1, flags[0].val);
+ saved_errno = errno;
+
+ printf("finit_module(%d, \"", (int) bogus_fd);
+ print_str(PARAM1_BASE, MAX_STRLEN, false);
+
+ errno = saved_errno;
+ printf("\"..., %s) = %s\n", flags[0].str, sprintrc(rc));
+
+ bogus_param1[PARAM1_LEN - 1] = '\0';
+
+ rc = syscall(__NR_finit_module, bogus_fd, bogus_param1, flags[1].val);
+ saved_errno = errno;
+
+ printf("finit_module(%d, \"", (int) bogus_fd);
+ print_str(PARAM1_BASE, MAX_STRLEN, false);
+
+ errno = saved_errno;
+ printf("\", %s) = %s\n", flags[1].str, sprintrc(rc));
+
+ rc = syscall(__NR_finit_module, bogus_fd, bogus_param2 + PARAM2_LEN,
+ flags[2].val);
+ printf("finit_module(%d, %p, %s) = %s\n",
+ (int) bogus_fd, bogus_param2 + PARAM2_LEN, flags[2].str,
+ sprintrc(rc));
+
+ rc = syscall(__NR_finit_module, bogus_fd, bogus_param2, flags[3].val);
+ printf("finit_module(%d, %p, %s) = %s\n",
+ (int) bogus_fd, bogus_param2, flags[3].str, sprintrc(rc));
+
+ bogus_param2[PARAM2_LEN - 1] = '\0';
+
+ rc = syscall(__NR_finit_module, bogus_fd, bogus_param2, flags[4].val);
+ saved_errno = errno;
+
+ printf("finit_module(%d, \"", (int) bogus_fd);
+ print_str(PARAM2_BASE, PARAM2_LEN - 1, true);
+
+ saved_errno = errno;
+ printf("\", %s) = %s\n", flags[4].str, sprintrc(rc));
+
+ puts("+++ exited with 0 +++");
+
+ return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_finit_module");
+
+#endif
diff --git a/tests/finit_module.test b/tests/finit_module.test
new file mode 100755
index 0000000..f56cf0d
--- /dev/null
+++ b/tests/finit_module.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check decoding of finit_module syscall.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff -a1
diff --git a/tests/init_delete_module.h b/tests/init_delete_module.h
new file mode 100644
index 0000000..109f32e
--- /dev/null
+++ b/tests/init_delete_module.h
@@ -0,0 +1,37 @@
+#ifndef STRACE_TESTS_INIT_DELETE_MODULE_H
+#define STRACE_TESTS_INIT_DELETE_MODULE_H
+
+# include <stdbool.h>
+# include <stdio.h>
+
+# include "kernel_types.h"
+
+
+enum {
+ PARAM1_LEN = 33,
+ PARAM2_LEN = 8,
+ PARAM1_BASE = 0x30,
+ PARAM2_BASE = 0x80,
+ MAX_STRLEN = 32,
+};
+
+static const kernel_ulong_t bogus_zero =
+ (kernel_ulong_t) 0xffffffff00000000ULL;
+
+static void
+print_str(unsigned int base, unsigned int len, bool escape)
+{
+ unsigned int i;
+
+ if (!escape) {
+ for (i = base; i < (base + len); i++)
+ putc(i, stdout);
+
+ return;
+ }
+
+ for (i = base; i < (base + len); i++)
+ printf("\\%u%u%u", (i >> 6) & 0x3, (i >> 3) & 0x7, i & 0x7);
+}
+
+#endif /* !STRACE_TESTS_INIT_DELETE_MODULE_H */
diff --git a/tests/init_module.c b/tests/init_module.c
new file mode 100644
index 0000000..9ac8c19
--- /dev/null
+++ b/tests/init_module.c
@@ -0,0 +1,113 @@
+/*
+ * Check decoding of init_module syscall.
+ *
+ * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr at 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_init_module)
+
+# include <errno.h>
+# include <stdio.h>
+# include <unistd.h>
+
+# include "init_delete_module.h"
+
+int
+main(void)
+{
+
+ static const kernel_ulong_t bogus_addr =
+ (kernel_ulong_t) 0xfffffeedfffffaceULL;
+ static const kernel_ulong_t bogus_len =
+ (kernel_ulong_t) 0xfffffca7ffffc0deULL;
+
+ long rc;
+ char *bogus_param1 = tail_alloc(PARAM1_LEN);
+ char *bogus_param2 = tail_alloc(PARAM2_LEN);
+ int saved_errno;
+
+ fill_memory_ex(bogus_param1, PARAM1_LEN, PARAM1_BASE, PARAM1_LEN);
+ fill_memory_ex(bogus_param2, PARAM2_LEN, PARAM2_BASE, PARAM2_LEN);
+
+ rc = syscall(__NR_init_module, NULL, bogus_zero, NULL);
+ printf("init_module(NULL, %llu, NULL) = %s\n",
+ (unsigned long long) bogus_zero, sprintrc(rc));
+
+ rc = syscall(__NR_init_module, bogus_addr, 0, bogus_param1);
+ saved_errno = errno;
+
+ printf("init_module(%#llx, 0, \"", (unsigned long long) bogus_addr);
+ print_str(PARAM1_BASE, MAX_STRLEN, false);
+
+ errno = saved_errno;
+ printf("\"...) = %s\n", sprintrc(rc));
+
+ bogus_param1[PARAM1_LEN - 1] = '\0';
+
+ rc = syscall(__NR_init_module, bogus_addr, 0, bogus_param1);
+ saved_errno = errno;
+
+ printf("init_module(%#llx, 0, \"", (unsigned long long) bogus_addr);
+ print_str(PARAM1_BASE, MAX_STRLEN, false);
+
+ errno = saved_errno;
+ printf("\") = %s\n", sprintrc(rc));
+
+ rc = syscall(__NR_init_module, bogus_addr, bogus_len,
+ bogus_param2 + PARAM2_LEN);
+ printf("init_module(%#llx, %llu, %p) = %s\n",
+ (unsigned long long) bogus_addr, (unsigned long long) bogus_len,
+ bogus_param2 + PARAM2_LEN, sprintrc(rc));
+
+ rc = syscall(__NR_init_module, NULL, bogus_len, bogus_param2);
+ printf("init_module(NULL, %llu, %p) = %s\n",
+ (unsigned long long) bogus_len, bogus_param2, sprintrc(rc));
+
+ bogus_param2[PARAM2_LEN - 1] = '\0';
+
+ rc = syscall(__NR_init_module, NULL, bogus_len, bogus_param2);
+ saved_errno = errno;
+
+ printf("init_module(NULL, %llu, \"", (unsigned long long) bogus_len);
+ print_str(PARAM2_BASE, PARAM2_LEN - 1, true);
+
+ saved_errno = errno;
+ printf("\") = %s\n", sprintrc(rc));
+
+ puts("+++ exited with 0 +++");
+
+ return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_init_module");
+
+#endif
diff --git a/tests/init_module.test b/tests/init_module.test
new file mode 100755
index 0000000..2c507e2
--- /dev/null
+++ b/tests/init_module.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check decoding of init_module syscall.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff -a1
--
1.7.10.4
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