// https://syzkaller.appspot.com/bug?id=ae239a8b52cf47d202f7ca93d3e861499f9dffcd // autogenerated by syzkaller (http://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; void loop() { long res = 0; memcpy((void*)0x20000180, "./file0", 8); syscall(__NR_mkdir, 0x20000180, 0); res = syscall(__NR_pipe2, 0x20000100, 0); if (res != -1) { r[0] = *(uint32_t*)0x20000100; r[1] = *(uint32_t*)0x20000104; } *(uint32_t*)0x20000080 = 7; *(uint8_t*)0x20000084 = 0x4d; *(uint16_t*)0x20000085 = -1; syscall(__NR_write, r[1], 0x20000080, 7); memcpy((void*)0x200001c0, "./file0", 8); memcpy((void*)0x200002c0, "9p", 3); memcpy((void*)0x200003c0, "trans=fd,", 9); memcpy((void*)0x200003c9, "rfdno", 5); *(uint8_t*)0x200003ce = 0x3d; sprintf((char*)0x200003cf, "0x%016llx", (long long)r[0]); *(uint8_t*)0x200003e1 = 0x2c; memcpy((void*)0x200003e2, "wfdno", 5); *(uint8_t*)0x200003e7 = 0x3d; sprintf((char*)0x200003e8, "0x%016llx", (long long)r[1]); *(uint8_t*)0x200003fa = 0x2c; memcpy((void*)0x200003fb, "access=client", 13); *(uint8_t*)0x20000408 = 0x2c; memcpy((void*)0x20000409, "uname", 5); *(uint8_t*)0x2000040e = 0x3d; memcpy((void*)0x2000040f, "vmnet1\\", 7); *(uint8_t*)0x20000416 = 0x2c; memcpy((void*)0x20000417, "noextend", 8); *(uint8_t*)0x2000041f = 0x2c; *(uint8_t*)0x20000420 = 0; syscall(__NR_mount, 0, 0x200001c0, 0x200002c0, 0, 0x200003c0); } int main() { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); loop(); return 0; }