// https://syzkaller.appspot.com/bug?id=c800210e5ff74470aa4d92c0779acf95054271fb // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); intptr_t res = 0; memcpy((void*)0x200000c0, "/dev/kvm\000", 9); res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x200000c0ul, 0ul, 0ul); if (res != -1) r[0] = res; res = syscall(__NR_ioctl, r[0], 0xae01, 0ul); if (res != -1) r[1] = res; *(uint32_t*)0x20000740 = 3; *(uint32_t*)0x20000744 = 2; *(uint64_t*)0x20000748 = 0xf000; *(uint64_t*)0x20000750 = 0x1000; *(uint64_t*)0x20000758 = 0x20000000; syscall(__NR_ioctl, r[1], 0x4020ae46, 0x20000740ul); res = syscall(__NR_ioctl, r[1], 0xae41, 0ul); if (res != -1) r[2] = res; syscall(__NR_ioctl, r[2], 0xae80, 0ul); return 0; }