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
141
142
143
144
145
146
147
148
149
|
/*
* malloc test program.
*
* to build:
* make x.o
* gcc -g -o x x.o xmalloc.o lib/malloc/libmalloc.a
*/
/* Copyright (C) 2002-2003 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#define USING_BASH_MALLOC
#define HAVE_STRINGIZE
#include "xmalloc.h"
static char xp[64];
main(int c, char **v)
{
char *p;
malloc_set_register(1);
#if 0
free (xp); /* free unallocated memory */
#endif
#if 0
p = xrealloc(xp, 128);
#endif
#if 0
/*
* request an amount so that the bucket changes when the malloc
* overhead is added to the requested size. This had better
* succeed.
*/
p = xmalloc(25);
p[0] = 'a';
p[1] = '\0';
free(p); /* sanity check on underflow checks in free() */
#endif
#if 0
p = xmalloc(28);
/* This works for little-endian machines like i386. */
p[-4] = '\7'; /* underflow */
p = xrealloc(p, 128); /* realloc corrupted memory */
#endif
#if 0
p = xmalloc(28);
/* This works for little-endian machines like i386. */
p[-4] = '\7'; /* underflow */
free(p);
#endif
#if 0
p = xmalloc(2);
free(p);
free(p); /* duplicate free */
#endif
#if 0
p = xmalloc(32);
free(p);
p = xrealloc(p, 128); /* realloc freed mem */
#endif
#if 0
p = xmalloc(64);
p[64] = '\0';
p = xrealloc(p, 128); /* overflow */
#endif
#if 0
p = xmalloc(64);
p[64] = '\0';
free(p); /* overflow */
#endif
#if 0
p = xmalloc(64);
p[-1] = 'a';
free (p); /* underflow */
#endif
#if 0
p = xmalloc(64);
p[-1] = 'a';
p = xrealloc(p, 129); /* underflow */
#endif
mregister_dump_table();
exit(0);
}
void
fatal_error(const char *format, ...)
{
va_list args;
fprintf(stderr, "malloc-test: ");
va_start(args, format);
vfprintf(stderr, format, args);
fprintf(stderr, "\n");
va_end(args);
exit(2);
}
void
programming_error(const char *format, ...)
{
va_list args;
fprintf(stderr, "malloc-test: ");
va_start(args, format);
vfprintf(stderr, format, args);
fprintf(stderr, "\n");
va_end(args);
abort();
}
int
signal_is_trapped(int n)
{
return 0;
}
|
