// https://syzkaller.appspot.com/bug?id=3dee4a128fd17a826da21ea5521f2d35aeff37e0
// 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_close_range
#define __NR_close_range 436
#endif
#ifndef __NR_open_tree
#define __NR_open_tree 428
#endif
#ifndef __NR_seccomp
#define __NR_seccomp 317
#endif
#ifndef __NR_userfaultfd
#define __NR_userfaultfd 323
#endif

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  intptr_t res = 0;
  res = syscall(__NR_userfaultfd,
                /*flags=UFFD_USER_MODE_ONLY|O_NONBLOCK*/ 0x801ul);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x200004c0 = 0xaa;
  *(uint64_t*)0x200004c8 = 0;
  *(uint64_t*)0x200004d0 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc018aa3f, /*arg=*/0x200004c0ul);
  syscall(__NR_mprotect, /*addr=*/0x20ffc000ul, /*len=*/0x3000ul,
          /*prot=PROT_SEM|PROT_EXEC*/ 0xcul);
  *(uint64_t*)0x20000180 = 0x20ffc000;
  *(uint64_t*)0x20000188 = 0x3000;
  *(uint64_t*)0x20000190 = 3;
  *(uint64_t*)0x20000198 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc020aa00, /*arg=*/0x20000180ul);
  *(uint64_t*)0x20000000 = 0x20ffd000;
  *(uint64_t*)0x20000008 = 0x20ffb000;
  *(uint64_t*)0x20000010 = 0x1000;
  *(uint64_t*)0x20000018 = 3;
  *(uint64_t*)0x20000020 = 0;
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc028aa03, /*arg=*/0x20000000ul);
  *(uint16_t*)0x200000c0 = 1;
  *(uint64_t*)0x200000c8 = 0x20000040;
  *(uint16_t*)0x20000040 = 6;
  *(uint8_t*)0x20000042 = 0;
  *(uint8_t*)0x20000043 = 0;
  *(uint32_t*)0x20000044 = 0x7fffffff;
  res = syscall(__NR_seccomp, /*op=*/1ul, /*flags=*/0ul, /*arg=*/0x200000c0ul);
  if (res != -1)
    r[1] = res;
  syscall(__NR_open_tree, /*dfd=*/-1, /*filename=*/0ul, /*flags=*/0ul);
  syscall(__NR_close_range, /*fd=*/r[1], /*max_fd=*/-1, /*flags=*/0ul);
  syscall(__NR_mprotect, /*addr=*/0x20ffc000ul, /*len=*/0x4000ul,
          /*prot=PROT_SEM|PROT_WRITE|PROT_READ|PROT_EXEC*/ 0xful);
  return 0;
}