// https://syzkaller.appspot.com/bug?id=8f063539d4ecf1faf3132624b57a641e923ee25a // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[5] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); long res = 0; memcpy((void*)0x20008a00, "/dev/kvm", 9); res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20008a00, 0, 0); if (res != -1) r[0] = res; res = syscall(__NR_ioctl, r[0], 0xae01, 0); if (res != -1) r[1] = res; res = syscall(__NR_ioctl, r[1], 0xae41, 0); if (res != -1) r[2] = res; syscall(__NR_ioctl, r[2], 0x4080aebf, 0x20000080); syscall(__NR_socketpair, 1, 0, 0, 0x20000140); syscall(__NR_ioctl, -1, 0xae41, 0); syscall(__NR_ioctl, -1, 0xae01, 0); memcpy((void*)0x20000100, "\x05\x00\x00\x00\x00\x00\x00\x00\x0d\x00\x00\x09\xb6\x90\xf2\x00\x05" "\x54\x00\x98\xf7\x28\x49\x00\x00\x00\x00\x40\x00\x00\x00\x00\x01\x00" "\x00\x00\x00\x00\x00\x00\x25\x00\x00\x00\xff\xff\xff\xfd\xfb\x08\x01" "\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x06\xcd", 62); syscall(__NR_ioctl, -1, 0x4008ae8a, 0x20000100); syscall(__NR_ioctl, -1, 0x4008ae89, 0x20000080); res = syscall(__NR_socketpair, 1, 5, 0, 0x20000140); if (res != -1) r[3] = *(uint32_t*)0x20000144; syscall(__NR_ioctl, r[3], 0x8912, 0x400200); memcpy((void*)0x20008a00, "/dev/kvm", 9); res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20008a00, 0, 0); if (res != -1) r[4] = res; syscall(__NR_ioctl, r[4], 0xae01, 0); return 0; }