// https://syzkaller.appspot.com/bug?id=4516af0515e495e49ec13be33d0786602df4927c
// 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)) {
  }
  //  mmap arguments: [
  //    addr: VMA[0x95c000]
  //    len: len = 0x95c000 (8 bytes)
  //    prot: mmap_prot = 0x200000b (8 bytes)
  //    flags: mmap_flags = 0x8c4b815a5465c2b2 (8 bytes)
  //    fd: fd (resource)
  //    offset: intptr = 0x0 (8 bytes)
  //  ]
  syscall(
      __NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x95c000ul,
      /*prot=PROT_GROWSUP|PROT_SEM|PROT_WRITE|PROT_READ*/ 0x200000bul,
      /*flags=MAP_UNINITIALIZED|MAP_POPULATE|MAP_NORESERVE|MAP_NONBLOCK|MAP_HUGETLB|0x8c4b815a506002b2*/
      0x8c4b815a5465c2b2ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  //  userfaultfd arguments: [
  //    flags: userfaultfd_flags = 0x801 (8 bytes)
  //  ]
  //  returns fd_uffd
  res = syscall(__NR_userfaultfd,
                /*flags=UFFD_USER_MODE_ONLY|O_NONBLOCK*/ 0x801ul);
  if (res != -1)
    r[0] = res;
  //  ioctl$UFFDIO_API arguments: [
  //    fd: fd_uffd (resource)
  //    cmd: const = 0xc018aa3f (4 bytes)
  //    arg: ptr[in, uffdio_api] {
  //      uffdio_api {
  //        api: const = 0xaa (8 bytes)
  //        featur: uffdio_features = 0x4 (8 bytes)
  //        ioctls: const = 0x0 (8 bytes)
  //      }
  //    }
  //  ]
  *(uint64_t*)0x2000000000c0 = 0xaa;
  *(uint64_t*)0x2000000000c8 = 4;
  *(uint64_t*)0x2000000000d0 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc018aa3f,
          /*arg=*/0x2000000000c0ul);
  //  ioctl$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*)0x200000000000 = 0x200000400000;
  *(uint64_t*)0x200000000008 = 0xc00000;
  *(uint64_t*)0x200000000010 = 1;
  *(uint64_t*)0x200000000018 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc020aa00,
          /*arg=*/0x200000000000ul);
  //  ioctl$UFFDIO_CONTINUE arguments: [
  //    fd: fd_uffd (resource)
  //    cmd: const = 0xc020aa08 (4 bytes)
  //    arg: ptr[in, uffdio_continue] {
  //      uffdio_continue {
  //        range: uffdio_range {
  //          start: VMA[0xc00000]
  //          len: len = 0xc00000 (8 bytes)
  //        }
  //        mode: uffdio_continue_mode = 0x0 (8 bytes)
  //        mapped: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //  ]
  *(uint64_t*)0x200000000280 = 0x200000400000;
  *(uint64_t*)0x200000000288 = 0xc00000;
  *(uint64_t*)0x200000000290 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc020aa08,
          /*arg=*/0x200000000280ul);
  return 0;
}