crasher.c revision dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0
1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project//#include <cutils/misc.h> 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <unistd.h> 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdio.h> 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdlib.h> 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <string.h> 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sched.h> 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <errno.h> 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <signal.h> 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/ptrace.h> 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/wait.h> 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/socket.h> 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <pthread.h> 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <cutils/sockets.h> 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid crash1(void); 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid crashnostack(void); 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void debuggerd_connect() 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char tmp[1]; 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int s; 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project sprintf(tmp, "%d", gettid()); 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project s = socket_local_client("android:debuggerd", 29dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM); 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(s >= 0) { 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project read(s, tmp, 1); 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project close(s); 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid test_call1() 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 38dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project *((int*) 32) = 1; 39dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 40dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 41dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid *test_thread(void *x) 42dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf("crasher: thread pid=%d tid=%d\n", getpid(), gettid()); 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project sleep(1); 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project test_call1(); 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf("goodbye\n"); 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid *noisy(void *x) 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char c = (unsigned) x; 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for(;;) { 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project usleep(250*1000); 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project write(2, &c, 1); 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(c == 'C') *((unsigned*) 0) = 42; 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint ctest() 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_t thr; 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_attr_t attr; 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_attr_init(&attr); 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_create(&thr, &attr, noisy, (void*) 'A'); 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_create(&thr, &attr, noisy, (void*) 'B'); 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_create(&thr, &attr, noisy, (void*) 'C'); 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for(;;) ; 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint main(int argc, char **argv) 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 78dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_t thr; 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_attr_t attr; 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 81dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr,"crasher: " __TIME__ "!@\n"); 82dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr,"crasher: init pid=%d tid=%d\n", getpid(), gettid()); 83dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 84dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(argc > 1) { 85dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(!strcmp(argv[1],"nostack")) crashnostack(); 86dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(!strcmp(argv[1],"ctest")) return ctest(); 87dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(!strcmp(argv[1],"exit")) exit(1); 88dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(!strcmp(argv[1],"abort")) maybeabort(); 89dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 90dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_attr_init(&attr); 91dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); 92dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_create(&thr, &attr, test_thread, 0); 93dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while(1) sleep(1); 94dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else { 95dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project crash1(); 96dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project// *((int*) 0) = 42; 97dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 98dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 99dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 100dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 101dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 102dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid maybeabort() 103dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 104dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(time(0) != 42) abort(); 105dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 106