// 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, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // openat$kvm arguments: [ // fd: const = 0xffffffffffffff9c (8 bytes) // file: ptr[in, buffer] { // buffer: {2f 64 65 76 2f 6b 76 6d 00} (length 0x9) // } // flags: open_flags = 0x62500 (4 bytes) // mode: const = 0x0 (2 bytes) // ] // returns fd_kvm memcpy((void*)0x200000000080, "/dev/kvm\000", 9); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000080ul, /*flags=O_NOFOLLOW|O_NOCTTY|O_NOATIME|FASYNC|O_APPEND*/ 0x62500, /*mode=*/0); if (res != -1) r[0] = res; // ioctl$KVM_CREATE_VM arguments: [ // fd: fd_kvm (resource) // cmd: const = 0xae01 (4 bytes) // type: intptr = 0x1 (8 bytes) // ] // returns fd_kvmvm res = syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xae01, /*type=*/1ul); if (res != -1) r[1] = res; // ioctl$KVM_CREATE_VCPU arguments: [ // fd: fd_kvmvm (resource) // cmd: const = 0xae41 (4 bytes) // id: intptr = 0x7f (8 bytes) // ] // returns fd_kvmcpu res = syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0xae41, /*id=*/0x7ful); if (res != -1) r[2] = res; // ioctl$KVM_RUN arguments: [ // fd: fd_kvmcpu (resource) // cmd: const = 0xae80 (4 bytes) // arg: const = 0x0 (8 bytes) // ] syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0xae80, /*arg=*/0ul); return 0; }