// https://syzkaller.appspot.com/bug?id=44b4e0faba646ff2ed4764fb81811d0445fd9e55
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

#ifndef __NR_userfaultfd
#define __NR_userfaultfd 323
#endif

uint64_t r[1] = {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)) {
  }
  //  userfaultfd arguments: [
  //    flags: userfaultfd_flags = 0x80001 (8 bytes)
  //  ]
  //  returns fd_uffd
  res = syscall(__NR_userfaultfd,
                /*flags=UFFD_USER_MODE_ONLY|O_CLOEXEC*/ 0x80001ul);
  if (res != -1)
    r[0] = res;
  //  ioctl$UFFDIO_API arguments: [
  //    fd: fd_uffd (resource)
  //    cmd: const = 0xc018aa3f (4 bytes)
  //    arg: ptr[in, uffdio_api] {
  //      uffdio_api {
  //        api: const = 0xaa (8 bytes)
  //        featur: uffdio_features = 0x0 (8 bytes)
  //        ioctls: const = 0x0 (8 bytes)
  //      }
  //    }
  //  ]
  *(uint64_t*)0x2000000000c0 = 0xaa;
  *(uint64_t*)0x2000000000c8 = 0;
  *(uint64_t*)0x2000000000d0 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc018aa3f,
          /*arg=*/0x2000000000c0ul);
  //  ioctl$UFFDIO_REGISTER arguments: [
  //    fd: fd_uffd (resource)
  //    cmd: const = 0xc020aa00 (4 bytes)
  //    arg: ptr[in, uffdio_register] {
  //      uffdio_register {
  //        range: uffdio_range {
  //          start: VMA[0xc00000]
  //          len: len = 0xc00000 (8 bytes)
  //        }
  //        mode: uffdio_register_mode = 0x1 (8 bytes)
  //        ioctls: const = 0x0 (8 bytes)
  //      }
  //    }
  //  ]
  *(uint64_t*)0x200000001740 = 0x2000000e2000;
  *(uint64_t*)0x200000001748 = 0xc00000;
  *(uint64_t*)0x200000001750 = 1;
  *(uint64_t*)0x200000001758 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc020aa00,
          /*arg=*/0x200000001740ul);
  //  ioctl$UFFDIO_REGISTER arguments: [
  //    fd: fd_uffd (resource)
  //    cmd: const = 0xc020aa07 (4 bytes)
  //    arg: ptr[in, uffdio_register] {
  //      uffdio_register {
  //        range: uffdio_range {
  //          start: VMA[0xc00000]
  //          len: len = 0xd9000 (8 bytes)
  //        }
  //        mode: uffdio_register_mode = 0x1 (8 bytes)
  //        ioctls: const = 0x2 (8 bytes)
  //      }
  //    }
  //  ]
  *(uint64_t*)0x200000000080 = 0x2000000e2000;
  *(uint64_t*)0x200000000088 = 0xd9000;
  *(uint64_t*)0x200000000090 = 1;
  *(uint64_t*)0x200000000098 = 2;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc020aa07,
          /*arg=*/0x200000000080ul);
  return 0;
}