1
2 //#include <cutils/misc.h>
3
4 #include <unistd.h>
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <string.h>
8 #include <sched.h>
9 #include <errno.h>
10
11 #include <signal.h>
12 #include <sys/ptrace.h>
13 #include <sys/wait.h>
14 #include <sys/socket.h>
15
16 #include <pthread.h>
17
18 #include <cutils/sockets.h>
19
20 void crash1(void);
21 void crashnostack(void);
22
debuggerd_connect()23 static void debuggerd_connect()
24 {
25 char tmp[1];
26 int s;
27 sprintf(tmp, "%d", gettid());
28 s = socket_local_client("android:debuggerd",
29 ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM);
30 if(s >= 0) {
31 read(s, tmp, 1);
32 close(s);
33 }
34 }
35
test_call1()36 void test_call1()
37 {
38 *((int*) 32) = 1;
39 }
40
test_thread(void * x)41 void *test_thread(void *x)
42 {
43 printf("crasher: thread pid=%d tid=%d\n", getpid(), gettid());
44
45 sleep(1);
46 test_call1();
47 printf("goodbye\n");
48
49 return 0;
50 }
51
noisy(void * x)52 void *noisy(void *x)
53 {
54 char c = (unsigned) x;
55 for(;;) {
56 usleep(250*1000);
57 write(2, &c, 1);
58 if(c == 'C') *((unsigned*) 0) = 42;
59 }
60 return 0;
61 }
62
ctest()63 int ctest()
64 {
65 pthread_t thr;
66 pthread_attr_t attr;
67 pthread_attr_init(&attr);
68 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
69 pthread_create(&thr, &attr, noisy, (void*) 'A');
70 pthread_create(&thr, &attr, noisy, (void*) 'B');
71 pthread_create(&thr, &attr, noisy, (void*) 'C');
72 for(;;) ;
73 return 0;
74 }
75
main(int argc,char ** argv)76 int main(int argc, char **argv)
77 {
78 pthread_t thr;
79 pthread_attr_t attr;
80
81 fprintf(stderr,"crasher: " __TIME__ "!@\n");
82 fprintf(stderr,"crasher: init pid=%d tid=%d\n", getpid(), gettid());
83
84 if(argc > 1) {
85 if(!strcmp(argv[1],"nostack")) crashnostack();
86 if(!strcmp(argv[1],"ctest")) return ctest();
87 if(!strcmp(argv[1],"exit")) exit(1);
88 if(!strcmp(argv[1],"abort")) maybeabort();
89
90 pthread_attr_init(&attr);
91 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
92 pthread_create(&thr, &attr, test_thread, 0);
93 while(1) sleep(1);
94 } else {
95 crash1();
96 // *((int*) 0) = 42;
97 }
98
99 return 0;
100 }
101
maybeabort()102 void maybeabort()
103 {
104 if(time(0) != 42) abort();
105 }
106