// autogenerated by syzkaller (http://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include static void test(); void loop() { while (1) { test(); } } long r[48]; void* thr(void* arg) { switch ((long)arg) { case 0: r[0] = syscall(__NR_mmap, 0x20000000ul, 0x19000ul, 0x3ul, 0x32ul, 0xfffffffffffffffful, 0x0ul); break; case 1: memcpy((void*)0x20017ff7, "\x2f\x64\x65\x76\x2f\x6b\x76\x6d\x00", 9); r[2] = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20017ff7ul, 0x0ul, 0x0ul); break; case 2: r[3] = syscall(__NR_ioctl, r[2], 0xae01ul, 0x0ul); break; case 3: r[4] = syscall(__NR_eventfd2, 0x0ul, 0x0ul); break; case 4: r[5] = syscall(__NR_clock_gettime, 0x0ul, 0x20019000ul); break; case 5: *(uint32_t*)0x2000d000 = r[4]; *(uint32_t*)0x2000d004 = (uint32_t)0x0; *(uint32_t*)0x2000d008 = (uint32_t)0x0; *(uint32_t*)0x2000d00c = (uint32_t)0xffffffffffffffff; *(uint8_t*)0x2000d010 = (uint8_t)0x0; *(uint8_t*)0x2000d011 = (uint8_t)0x0; *(uint8_t*)0x2000d012 = (uint8_t)0x0; *(uint8_t*)0x2000d013 = (uint8_t)0x0; *(uint8_t*)0x2000d014 = (uint8_t)0x0; *(uint8_t*)0x2000d015 = (uint8_t)0x0; *(uint8_t*)0x2000d016 = (uint8_t)0x0; *(uint8_t*)0x2000d017 = (uint8_t)0x0; *(uint8_t*)0x2000d018 = (uint8_t)0x0; *(uint8_t*)0x2000d019 = (uint8_t)0x0; *(uint8_t*)0x2000d01a = (uint8_t)0x0; *(uint8_t*)0x2000d01b = (uint8_t)0x0; *(uint8_t*)0x2000d01c = (uint8_t)0x0; *(uint8_t*)0x2000d01d = (uint8_t)0x0; *(uint8_t*)0x2000d01e = (uint8_t)0x0; *(uint8_t*)0x2000d01f = (uint8_t)0x0; r[26] = syscall(__NR_ioctl, r[3], 0x4020ae76ul, 0x2000d000ul); break; case 6: *(uint32_t*)0x20018fe0 = r[4]; *(uint32_t*)0x20018fe4 = (uint32_t)0x0; *(uint32_t*)0x20018fe8 = (uint32_t)0x1; *(uint32_t*)0x20018fec = r[4]; *(uint8_t*)0x20018ff0 = (uint8_t)0x0; *(uint8_t*)0x20018ff1 = (uint8_t)0x0; *(uint8_t*)0x20018ff2 = (uint8_t)0x0; *(uint8_t*)0x20018ff3 = (uint8_t)0x0; *(uint8_t*)0x20018ff4 = (uint8_t)0x0; *(uint8_t*)0x20018ff5 = (uint8_t)0x0; *(uint8_t*)0x20018ff6 = (uint8_t)0x0; *(uint8_t*)0x20018ff7 = (uint8_t)0x0; *(uint8_t*)0x20018ff8 = (uint8_t)0x0; *(uint8_t*)0x20018ff9 = (uint8_t)0x0; *(uint8_t*)0x20018ffa = (uint8_t)0x0; *(uint8_t*)0x20018ffb = (uint8_t)0x0; *(uint8_t*)0x20018ffc = (uint8_t)0x0; *(uint8_t*)0x20018ffd = (uint8_t)0x0; *(uint8_t*)0x20018ffe = (uint8_t)0x0; *(uint8_t*)0x20018fff = (uint8_t)0x0; r[47] = syscall(__NR_ioctl, r[3], 0x4020ae76ul, 0x20018fe0ul); break; } return 0; } void test() { long i; pthread_t th[14]; memset(r, -1, sizeof(r)); srand(getpid()); for (i = 0; i < 7; i++) { pthread_create(&th[i], 0, thr, (void*)i); usleep(rand() % 10000); } for (i = 0; i < 7; i++) { pthread_create(&th[7 + i], 0, thr, (void*)i); if (rand() % 2) usleep(rand() % 10000); } usleep(rand() % 100000); } int main() { int i; for (i = 0; i < 8; i++) { if (fork() == 0) { loop(); return 0; } } sleep(1000000); return 0; }