1*cf84ac9aSAndroid Build Coastguard Worker /*
2*cf84ac9aSAndroid Build Coastguard Worker * Check decoding of init_module syscall.
3*cf84ac9aSAndroid Build Coastguard Worker *
4*cf84ac9aSAndroid Build Coastguard Worker * Copyright (c) 2016 Eugene Syromyatnikov <[email protected]>
5*cf84ac9aSAndroid Build Coastguard Worker * Copyright (c) 2016-2017 The strace developers.
6*cf84ac9aSAndroid Build Coastguard Worker * All rights reserved.
7*cf84ac9aSAndroid Build Coastguard Worker *
8*cf84ac9aSAndroid Build Coastguard Worker * Redistribution and use in source and binary forms, with or without
9*cf84ac9aSAndroid Build Coastguard Worker * modification, are permitted provided that the following conditions
10*cf84ac9aSAndroid Build Coastguard Worker * are met:
11*cf84ac9aSAndroid Build Coastguard Worker * 1. Redistributions of source code must retain the above copyright
12*cf84ac9aSAndroid Build Coastguard Worker * notice, this list of conditions and the following disclaimer.
13*cf84ac9aSAndroid Build Coastguard Worker * 2. Redistributions in binary form must reproduce the above copyright
14*cf84ac9aSAndroid Build Coastguard Worker * notice, this list of conditions and the following disclaimer in the
15*cf84ac9aSAndroid Build Coastguard Worker * documentation and/or other materials provided with the distribution.
16*cf84ac9aSAndroid Build Coastguard Worker * 3. The name of the author may not be used to endorse or promote products
17*cf84ac9aSAndroid Build Coastguard Worker * derived from this software without specific prior written permission.
18*cf84ac9aSAndroid Build Coastguard Worker *
19*cf84ac9aSAndroid Build Coastguard Worker * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20*cf84ac9aSAndroid Build Coastguard Worker * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21*cf84ac9aSAndroid Build Coastguard Worker * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22*cf84ac9aSAndroid Build Coastguard Worker * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23*cf84ac9aSAndroid Build Coastguard Worker * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24*cf84ac9aSAndroid Build Coastguard Worker * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25*cf84ac9aSAndroid Build Coastguard Worker * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26*cf84ac9aSAndroid Build Coastguard Worker * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27*cf84ac9aSAndroid Build Coastguard Worker * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28*cf84ac9aSAndroid Build Coastguard Worker * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29*cf84ac9aSAndroid Build Coastguard Worker */
30*cf84ac9aSAndroid Build Coastguard Worker
31*cf84ac9aSAndroid Build Coastguard Worker #include "tests.h"
32*cf84ac9aSAndroid Build Coastguard Worker
33*cf84ac9aSAndroid Build Coastguard Worker #include <asm/unistd.h>
34*cf84ac9aSAndroid Build Coastguard Worker
35*cf84ac9aSAndroid Build Coastguard Worker #if defined(__NR_init_module)
36*cf84ac9aSAndroid Build Coastguard Worker
37*cf84ac9aSAndroid Build Coastguard Worker # include <stdio.h>
38*cf84ac9aSAndroid Build Coastguard Worker # include <unistd.h>
39*cf84ac9aSAndroid Build Coastguard Worker
40*cf84ac9aSAndroid Build Coastguard Worker # include "init_delete_module.h"
41*cf84ac9aSAndroid Build Coastguard Worker
42*cf84ac9aSAndroid Build Coastguard Worker int
main(void)43*cf84ac9aSAndroid Build Coastguard Worker main(void)
44*cf84ac9aSAndroid Build Coastguard Worker {
45*cf84ac9aSAndroid Build Coastguard Worker
46*cf84ac9aSAndroid Build Coastguard Worker static const kernel_ulong_t bogus_addr =
47*cf84ac9aSAndroid Build Coastguard Worker (kernel_ulong_t) 0xfffffeedfffffaceULL;
48*cf84ac9aSAndroid Build Coastguard Worker static const kernel_ulong_t bogus_len =
49*cf84ac9aSAndroid Build Coastguard Worker (kernel_ulong_t) 0xfffffca7ffffc0deULL;
50*cf84ac9aSAndroid Build Coastguard Worker
51*cf84ac9aSAndroid Build Coastguard Worker long rc;
52*cf84ac9aSAndroid Build Coastguard Worker char *bogus_param1 = tail_alloc(PARAM1_LEN);
53*cf84ac9aSAndroid Build Coastguard Worker char *bogus_param2 = tail_alloc(PARAM2_LEN);
54*cf84ac9aSAndroid Build Coastguard Worker const char *errstr;
55*cf84ac9aSAndroid Build Coastguard Worker
56*cf84ac9aSAndroid Build Coastguard Worker fill_memory_ex(bogus_param1, PARAM1_LEN, PARAM1_BASE, PARAM1_LEN);
57*cf84ac9aSAndroid Build Coastguard Worker fill_memory_ex(bogus_param2, PARAM2_LEN, PARAM2_BASE, PARAM2_LEN);
58*cf84ac9aSAndroid Build Coastguard Worker
59*cf84ac9aSAndroid Build Coastguard Worker rc = syscall(__NR_init_module, NULL, F8ILL_KULONG_MASK, NULL);
60*cf84ac9aSAndroid Build Coastguard Worker printf("init_module(NULL, %llu, NULL) = %s\n",
61*cf84ac9aSAndroid Build Coastguard Worker (unsigned long long) F8ILL_KULONG_MASK, sprintrc(rc));
62*cf84ac9aSAndroid Build Coastguard Worker
63*cf84ac9aSAndroid Build Coastguard Worker rc = syscall(__NR_init_module, bogus_addr, 0, bogus_param1);
64*cf84ac9aSAndroid Build Coastguard Worker errstr = sprintrc(rc);
65*cf84ac9aSAndroid Build Coastguard Worker
66*cf84ac9aSAndroid Build Coastguard Worker printf("init_module(%#llx, 0, \"", (unsigned long long) bogus_addr);
67*cf84ac9aSAndroid Build Coastguard Worker print_str(PARAM1_BASE, MAX_STRLEN, false);
68*cf84ac9aSAndroid Build Coastguard Worker printf("\"...) = %s\n", errstr);
69*cf84ac9aSAndroid Build Coastguard Worker
70*cf84ac9aSAndroid Build Coastguard Worker bogus_param1[PARAM1_LEN - 1] = '\0';
71*cf84ac9aSAndroid Build Coastguard Worker
72*cf84ac9aSAndroid Build Coastguard Worker rc = syscall(__NR_init_module, bogus_addr, 0, bogus_param1);
73*cf84ac9aSAndroid Build Coastguard Worker errstr = sprintrc(rc);
74*cf84ac9aSAndroid Build Coastguard Worker
75*cf84ac9aSAndroid Build Coastguard Worker printf("init_module(%#llx, 0, \"", (unsigned long long) bogus_addr);
76*cf84ac9aSAndroid Build Coastguard Worker print_str(PARAM1_BASE, MAX_STRLEN, false);
77*cf84ac9aSAndroid Build Coastguard Worker printf("\") = %s\n", errstr);
78*cf84ac9aSAndroid Build Coastguard Worker
79*cf84ac9aSAndroid Build Coastguard Worker rc = syscall(__NR_init_module, bogus_addr, bogus_len,
80*cf84ac9aSAndroid Build Coastguard Worker bogus_param2 + PARAM2_LEN);
81*cf84ac9aSAndroid Build Coastguard Worker printf("init_module(%#llx, %llu, %p) = %s\n",
82*cf84ac9aSAndroid Build Coastguard Worker (unsigned long long) bogus_addr, (unsigned long long) bogus_len,
83*cf84ac9aSAndroid Build Coastguard Worker bogus_param2 + PARAM2_LEN, sprintrc(rc));
84*cf84ac9aSAndroid Build Coastguard Worker
85*cf84ac9aSAndroid Build Coastguard Worker rc = syscall(__NR_init_module, NULL, bogus_len, bogus_param2);
86*cf84ac9aSAndroid Build Coastguard Worker printf("init_module(NULL, %llu, %p) = %s\n",
87*cf84ac9aSAndroid Build Coastguard Worker (unsigned long long) bogus_len, bogus_param2, sprintrc(rc));
88*cf84ac9aSAndroid Build Coastguard Worker
89*cf84ac9aSAndroid Build Coastguard Worker bogus_param2[PARAM2_LEN - 1] = '\0';
90*cf84ac9aSAndroid Build Coastguard Worker
91*cf84ac9aSAndroid Build Coastguard Worker rc = syscall(__NR_init_module, NULL, bogus_len, bogus_param2);
92*cf84ac9aSAndroid Build Coastguard Worker errstr = sprintrc(rc);
93*cf84ac9aSAndroid Build Coastguard Worker
94*cf84ac9aSAndroid Build Coastguard Worker printf("init_module(NULL, %llu, \"", (unsigned long long) bogus_len);
95*cf84ac9aSAndroid Build Coastguard Worker print_str(PARAM2_BASE, PARAM2_LEN - 1, true);
96*cf84ac9aSAndroid Build Coastguard Worker printf("\") = %s\n", errstr);
97*cf84ac9aSAndroid Build Coastguard Worker
98*cf84ac9aSAndroid Build Coastguard Worker puts("+++ exited with 0 +++");
99*cf84ac9aSAndroid Build Coastguard Worker
100*cf84ac9aSAndroid Build Coastguard Worker return 0;
101*cf84ac9aSAndroid Build Coastguard Worker }
102*cf84ac9aSAndroid Build Coastguard Worker
103*cf84ac9aSAndroid Build Coastguard Worker #else
104*cf84ac9aSAndroid Build Coastguard Worker
105*cf84ac9aSAndroid Build Coastguard Worker SKIP_MAIN_UNDEFINED("__NR_init_module");
106*cf84ac9aSAndroid Build Coastguard Worker
107*cf84ac9aSAndroid Build Coastguard Worker #endif
108