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
20void crash1(void);
21void crashnostack(void);
22void maybeabort(void);
23
24static void debuggerd_connect()
25{
26    char tmp[1];
27    int s;
28    sprintf(tmp, "%d", gettid());
29    s = socket_local_client("android:debuggerd",
30            ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM);
31    if(s >= 0) {
32        read(s, tmp, 1);
33        close(s);
34    }
35}
36
37void test_call1()
38{
39    *((int*) 32) = 1;
40}
41
42void *test_thread(void *x)
43{
44    printf("crasher: thread pid=%d tid=%d\n", getpid(), gettid());
45
46    sleep(1);
47    test_call1();
48    printf("goodbye\n");
49
50    return 0;
51}
52
53void *noisy(void *x)
54{
55    char c = (unsigned) x;
56    for(;;) {
57        usleep(250*1000);
58        write(2, &c, 1);
59        if(c == 'C') *((unsigned*) 0) = 42;
60    }
61    return 0;
62}
63
64int ctest()
65{
66    pthread_t thr;
67    pthread_attr_t attr;
68    pthread_attr_init(&attr);
69    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
70    pthread_create(&thr, &attr, noisy, (void*) 'A');
71    pthread_create(&thr, &attr, noisy, (void*) 'B');
72    pthread_create(&thr, &attr, noisy, (void*) 'C');
73    for(;;) ;
74    return 0;
75}
76
77int main(int argc, char **argv)
78{
79    pthread_t thr;
80    pthread_attr_t attr;
81
82    fprintf(stderr,"crasher: " __TIME__ "!@\n");
83    fprintf(stderr,"crasher: init pid=%d tid=%d\n", getpid(), gettid());
84
85    if(argc > 1) {
86        if(!strcmp(argv[1],"nostack")) crashnostack();
87        if(!strcmp(argv[1],"ctest")) return ctest();
88        if(!strcmp(argv[1],"exit")) exit(1);
89        if(!strcmp(argv[1],"abort")) maybeabort();
90
91        pthread_attr_init(&attr);
92        pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
93        pthread_create(&thr, &attr, test_thread, 0);
94        while(1) sleep(1);
95    } else {
96        crash1();
97//        *((int*) 0) = 42;
98    }
99
100    return 0;
101}
102
103void maybeabort()
104{
105    if(time(0) != 42) abort();
106}
107