crasher.c revision a1ff475b07dd7c8a2dfa0e83bc2a25ef159b6152
1da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes#include <assert.h> 2da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes#include <errno.h> 3da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes#include <pthread.h> 4da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes#include <sched.h> 5da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes#include <signal.h> 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdio.h> 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdlib.h> 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <string.h> 9f1a8dfa0ebfc233e569ffa83e21e37d0a829b94cMark Salyzyn#include <sys/cdefs.h> 108606eaa7700609a2f9f2383b954b4e64dbc4c827Brigid Smith#include <sys/mman.h> 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/ptrace.h> 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/socket.h> 13da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes#include <sys/wait.h> 14da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes#include <unistd.h> 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <cutils/sockets.h> 17f1a8dfa0ebfc233e569ffa83e21e37d0a829b94cMark Salyzyn#include <log/log.h> 18f1a8dfa0ebfc233e569ffa83e21e37d0a829b94cMark Salyzyn 19f1a8dfa0ebfc233e569ffa83e21e37d0a829b94cMark Salyzyn#ifndef __unused 20f1a8dfa0ebfc233e569ffa83e21e37d0a829b94cMark Salyzyn#define __unused __attribute__((__unused__)) 21f1a8dfa0ebfc233e569ffa83e21e37d0a829b94cMark Salyzyn#endif 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 233808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughesextern const char* __progname; 243808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid crash1(void); 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid crashnostack(void); 276f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughesstatic int do_action(const char* arg); 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 29da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughesstatic void maybe_abort() { 30da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes if (time(0) != 42) { 316f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes abort(); 326f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes } 336f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes} 346f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes 35f1a8dfa0ebfc233e569ffa83e21e37d0a829b94cMark Salyzynstatic int smash_stack(int i __unused) { 36df4200e8c255fca1d03855b971b57036b9ccaa94Elliott Hughes printf("crasher: deliberately corrupting stack...\n"); 37df4200e8c255fca1d03855b971b57036b9ccaa94Elliott Hughes // Unless there's a "big enough" buffer on the stack, gcc 38df4200e8c255fca1d03855b971b57036b9ccaa94Elliott Hughes // doesn't bother inserting checks. 39df4200e8c255fca1d03855b971b57036b9ccaa94Elliott Hughes char buf[8]; 40b1be27e29b01009d66ac66c20e275506673e962cElliott Hughes // If we don't write something relatively unpredictable 41df4200e8c255fca1d03855b971b57036b9ccaa94Elliott Hughes // into the buffer and then do something with it, gcc 42df4200e8c255fca1d03855b971b57036b9ccaa94Elliott Hughes // optimizes everything away and just returns a constant. 43df4200e8c255fca1d03855b971b57036b9ccaa94Elliott Hughes *(int*)(&buf[7]) = (uintptr_t) &buf[0]; 44df4200e8c255fca1d03855b971b57036b9ccaa94Elliott Hughes return *(int*)(&buf[0]); 45df4200e8c255fca1d03855b971b57036b9ccaa94Elliott Hughes} 46df4200e8c255fca1d03855b971b57036b9ccaa94Elliott Hughes 47b1be27e29b01009d66ac66c20e275506673e962cElliott Hughesstatic void* global = 0; // So GCC doesn't optimize the tail recursion out of overflow_stack. 48b1be27e29b01009d66ac66c20e275506673e962cElliott Hughes 496f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes__attribute__((noinline)) static void overflow_stack(void* p) { 503808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes void* buf[1]; 513808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes buf[0] = p; 52b1be27e29b01009d66ac66c20e275506673e962cElliott Hughes global = buf; 533808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes overflow_stack(&buf); 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 566f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughesstatic void *noisy(void *x) 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 585d9fe779c8ec2705865a23061834ad8cdbee5b82Elliott Hughes char c = (uintptr_t) x; 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for(;;) { 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project usleep(250*1000); 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project write(2, &c, 1); 62a1ff475b07dd7c8a2dfa0e83bc2a25ef159b6152Chih-Hung Hsieh if(c == 'C') *((volatile unsigned*) 0) = 42; 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 645d9fe779c8ec2705865a23061834ad8cdbee5b82Elliott Hughes return NULL; 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 676f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughesstatic int ctest() 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_t thr; 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_attr_t attr; 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_attr_init(&attr); 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_create(&thr, &attr, noisy, (void*) 'A'); 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_create(&thr, &attr, noisy, (void*) 'B'); 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project pthread_create(&thr, &attr, noisy, (void*) 'C'); 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for(;;) ; 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 78dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 80aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughesstatic void* thread_callback(void* raw_arg) 81aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes{ 825d9fe779c8ec2705865a23061834ad8cdbee5b82Elliott Hughes return (void*) (uintptr_t) do_action((const char*) raw_arg); 83aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes} 84aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes 856f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughesstatic int do_action_on_thread(const char* arg) 86dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 87aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes pthread_t t; 88aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes pthread_create(&t, NULL, thread_callback, (void*) arg); 89aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes void* result = NULL; 90aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes pthread_join(t, &result); 915d9fe779c8ec2705865a23061834ad8cdbee5b82Elliott Hughes return (int) (uintptr_t) result; 92aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes} 93aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes 946f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes__attribute__((noinline)) static int crash3(int a) { 956f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes *((int*) 0xdead) = a; 966f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes return a*4; 976f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes} 986f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes 996f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes__attribute__((noinline)) static int crash2(int a) { 1006f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes a = crash3(a) + 2; 1016f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes return a*3; 102af2cb3667ba24d1ef3037aa5a7b3bc0a238cf040Pavel Chupin} 103af2cb3667ba24d1ef3037aa5a7b3bc0a238cf040Pavel Chupin 1046f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes__attribute__((noinline)) static int crash(int a) { 1056f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes a = crash2(a) + 1; 1066f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes return a*2; 107af2cb3667ba24d1ef3037aa5a7b3bc0a238cf040Pavel Chupin} 108af2cb3667ba24d1ef3037aa5a7b3bc0a238cf040Pavel Chupin 1096f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughesstatic void abuse_heap() { 1106f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes char buf[16]; 1116f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes free((void*) buf); // GCC is smart enough to warn about this, but we're doing it deliberately. 112af2cb3667ba24d1ef3037aa5a7b3bc0a238cf040Pavel Chupin} 113af2cb3667ba24d1ef3037aa5a7b3bc0a238cf040Pavel Chupin 1147b2078eeb4f68f3a81695de64ec8df003d3f8e3cBrigid Smithstatic void sigsegv_non_null() { 1157b2078eeb4f68f3a81695de64ec8df003d3f8e3cBrigid Smith int* a = (int *)(&do_action); 1167b2078eeb4f68f3a81695de64ec8df003d3f8e3cBrigid Smith *a = 42; 1177b2078eeb4f68f3a81695de64ec8df003d3f8e3cBrigid Smith} 1187b2078eeb4f68f3a81695de64ec8df003d3f8e3cBrigid Smith 1196f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughesstatic int do_action(const char* arg) 120aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes{ 1213808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes fprintf(stderr,"crasher: init pid=%d tid=%d\n", getpid(), gettid()); 1223808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes 1233808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes if (!strncmp(arg, "thread-", strlen("thread-"))) { 124aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes return do_action_on_thread(arg + strlen("thread-")); 1257b2078eeb4f68f3a81695de64ec8df003d3f8e3cBrigid Smith } else if (!strcmp(arg, "SIGSEGV-non-null")) { 1267b2078eeb4f68f3a81695de64ec8df003d3f8e3cBrigid Smith sigsegv_non_null(); 127da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes } else if (!strcmp(arg, "smash-stack")) { 1283808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes return smash_stack(42); 129da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes } else if (!strcmp(arg, "stack-overflow")) { 1303808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes overflow_stack(NULL); 131da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes } else if (!strcmp(arg, "nostack")) { 1323808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes crashnostack(); 133da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes } else if (!strcmp(arg, "ctest")) { 1343808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes return ctest(); 135da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes } else if (!strcmp(arg, "exit")) { 1363808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes exit(1); 137855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes } else if (!strcmp(arg, "crash") || !strcmp(arg, "SIGSEGV")) { 1383808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes return crash(42); 139da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes } else if (!strcmp(arg, "abort")) { 140da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes maybe_abort(); 141da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes } else if (!strcmp(arg, "assert")) { 142da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes __assert("some_file.c", 123, "false"); 143da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes } else if (!strcmp(arg, "assert2")) { 1443ecc42106ea4cf825a57859cfd58442442685d24Elliott Hughes __assert2("some_file.c", 123, "some_function", "false"); 145da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes } else if (!strcmp(arg, "LOG_ALWAYS_FATAL")) { 146da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes LOG_ALWAYS_FATAL("hello %s", "world"); 147da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes } else if (!strcmp(arg, "LOG_ALWAYS_FATAL_IF")) { 148da6b2e2fd79c9aac12127b2c2f512e9555fdd06dElliott Hughes LOG_ALWAYS_FATAL_IF(true, "hello %s", "world"); 1493ecc42106ea4cf825a57859cfd58442442685d24Elliott Hughes } else if (!strcmp(arg, "SIGFPE")) { 1503ecc42106ea4cf825a57859cfd58442442685d24Elliott Hughes raise(SIGFPE); 1513ecc42106ea4cf825a57859cfd58442442685d24Elliott Hughes return EXIT_SUCCESS; 152855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes } else if (!strcmp(arg, "SIGPIPE")) { 153855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes int pipe_fds[2]; 154855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes pipe(pipe_fds); 155855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes close(pipe_fds[0]); 156855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes write(pipe_fds[1], "oops", 4); 157855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes return EXIT_SUCCESS; 1587e35ae8fc840cc1855d26084fdd72cbc3241f04dElliott Hughes } else if (!strcmp(arg, "SIGTRAP")) { 1597e35ae8fc840cc1855d26084fdd72cbc3241f04dElliott Hughes raise(SIGTRAP); 1607e35ae8fc840cc1855d26084fdd72cbc3241f04dElliott Hughes return EXIT_SUCCESS; 1616f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes } else if (!strcmp(arg, "heap-usage")) { 1626f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes abuse_heap(); 1638606eaa7700609a2f9f2383b954b4e64dbc4c827Brigid Smith } else if (!strcmp(arg, "SIGSEGV-unmapped")) { 1648606eaa7700609a2f9f2383b954b4e64dbc4c827Brigid Smith char* map = mmap(NULL, sizeof(int), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0); 1658606eaa7700609a2f9f2383b954b4e64dbc4c827Brigid Smith munmap(map, sizeof(int)); 1668606eaa7700609a2f9f2383b954b4e64dbc4c827Brigid Smith map[0] = '8'; 167aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes } 168aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes 1693808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes fprintf(stderr, "%s OP\n", __progname); 1703808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes fprintf(stderr, "where OP is:\n"); 171855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " smash-stack overwrite a stack-guard canary\n"); 172855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " stack-overflow recurse until the stack overflows\n"); 173855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " heap-corruption cause a libc abort by corrupting the heap\n"); 174855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " heap-usage cause a libc abort by abusing a heap function\n"); 175855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " nostack crash with a NULL stack pointer\n"); 176855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " ctest (obsoleted by thread-crash?)\n"); 177855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " exit call exit(1)\n"); 178855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " abort call abort()\n"); 179855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " assert call assert() without a function\n"); 180855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " assert2 call assert() with a function\n"); 181855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " LOG_ALWAYS_FATAL call LOG_ALWAYS_FATAL\n"); 182855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " LOG_ALWAYS_FATAL_IF call LOG_ALWAYS_FATAL\n"); 1833ecc42106ea4cf825a57859cfd58442442685d24Elliott Hughes fprintf(stderr, " SIGFPE cause a SIGFPE\n"); 184855fcc3114c20ff9fd286fe1723d1413fec9685aElliott Hughes fprintf(stderr, " SIGPIPE cause a SIGPIPE\n"); 1857b2078eeb4f68f3a81695de64ec8df003d3f8e3cBrigid Smith fprintf(stderr, " SIGSEGV cause a SIGSEGV at address 0x0 (synonym: crash)\n"); 1867b2078eeb4f68f3a81695de64ec8df003d3f8e3cBrigid Smith fprintf(stderr, " SIGSEGV-non-null cause a SIGSEGV at a non-zero address\n"); 1878606eaa7700609a2f9f2383b954b4e64dbc4c827Brigid Smith fprintf(stderr, " SIGSEGV-unmapped mmap/munmap a region of memory and then attempt to access it\n"); 1887e35ae8fc840cc1855d26084fdd72cbc3241f04dElliott Hughes fprintf(stderr, " SIGTRAP cause a SIGTRAP\n"); 1893808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes fprintf(stderr, "prefix any of the above with 'thread-' to not run\n"); 1903808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes fprintf(stderr, "on the process' main thread.\n"); 1913808c4ecb4c2d4f05261e6631a765464b055d8b1Elliott Hughes return EXIT_SUCCESS; 192aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes} 193dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 194aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughesint main(int argc, char **argv) 195aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes{ 196aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes fprintf(stderr,"crasher: built at " __TIME__ "!@\n"); 197dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 198dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(argc > 1) { 199aa4213057ba1723e4f164e54f80bb7621c3cb6b3Elliott Hughes return do_action(argv[1]); 200dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else { 201dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project crash1(); 202dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 203dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 2046f40cafd9fe90fb83536c31d84273bf3572e5a32Elliott Hughes return 0; 205dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 206