1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/*
* Copyright (c) 2018 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <vlib/vlib.h>
#include <sys/mman.h>
static clib_error_t *
test_crash_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
u64 *p = (u64 *) 0xdefec8ed;
ELOG_TYPE_DECLARE (e) =
{
.format = "deliberate crash: touching %x",
.format_args = "i4",
};
elog (&vlib_global_main.elog_main, &e, 0xdefec8ed);
*p = 0xdeadbeef;
/* Not so much... */
return 0;
}
VLIB_CLI_COMMAND (test_crash_command, static) =
{
.path = "test crash",
.short_help = "crash the bus!",
.function = test_crash_command_fn,
};
static clib_error_t *
test_hash_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
uword hash1, hash2;
u8 *baseaddr;
u8 *key_loc;
baseaddr = mmap (NULL, 8192, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0 /* offset */ );
if (baseaddr == 0)
{
clib_unix_warning ("mmap");
return 0;
}
if (mprotect (baseaddr + (4 << 10), (4 << 10), PROT_NONE) < 0)
{
clib_unix_warning ("mprotect");
return 0;
}
key_loc = baseaddr + (4 << 10) - 4;
key_loc[0] = 0xde;
key_loc[1] = 0xad;
key_loc[2] = 0xbe;
key_loc[3] = 0xef;
hash1 = hash_memory (key_loc, 4, 0ULL);
vlib_cli_output (vm, "hash1 is %llx", hash1);
key_loc = baseaddr;
key_loc[0] = 0xde;
key_loc[1] = 0xad;
key_loc[2] = 0xbe;
key_loc[3] = 0xef;
hash2 = hash_memory (key_loc, 4, 0ULL);
vlib_cli_output (vm, "hash2 is %llx", hash2);
if (hash1 == hash2)
vlib_cli_output (vm, "PASS...");
else
vlib_cli_output (vm, "FAIL...");
return 0;
}
VLIB_CLI_COMMAND (test_hash_command, static) =
{
.path = "test hash_memory",
.short_help = "page boundary crossing test",
.function = test_hash_command_fn,
};
static void *
leak_memory_fn (void *args)
{
u8 *p = 0;
vec_validate (p, 100);
p = 0;
return 0;
}
static clib_error_t *
test_mem_leak_command_fn (vlib_main_t *vm, unformat_input_t *input,
vlib_cli_command_t *cmd)
{
/* do memory leak from thread, so no 'unix_cli' in traceback */
pthread_t thread;
int rv = pthread_create (&thread, NULL, leak_memory_fn, 0);
if (rv)
{
return clib_error_return (0, "pthread_create failed");
}
return 0;
}
VLIB_CLI_COMMAND (test_mem_leak_command, static) = {
.path = "test mem-leak",
.short_help = "leak some memory",
.function = test_mem_leak_command_fn,
};
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
