// https://syzkaller.appspot.com/bug?id=71f9271d761f5b6ed517a18030dc04f0135e6179
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <pwd.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <unistd.h>

#ifndef SYS_mmap
#define SYS_mmap 197
#endif
#ifndef SYS_munlockall
#define SYS_munlockall 243
#endif
#ifndef SYS_munmap
#define SYS_munmap 73
#endif
#ifndef SYS_shmat
#define SYS_shmat 228
#endif
#ifndef SYS_shmctl
#define SYS_shmctl 443
#endif
#ifndef SYS_shmget
#define SYS_shmget 231
#endif

uint64_t r[1] = {0x0};

int main(void)
{
  syscall(SYS_mmap, 0x20000000, 0x1000000, 3, 0x1012, -1, 0, 0);
  long res = 0;
  syscall(SYS_munmap, 0x20ffc000, 0x4000);
  res = syscall(SYS_shmget, 0, 0x4000, 0x232, 0x20ffc000);
  if (res != -1)
    r[0] = res;
  syscall(SYS_shmat, r[0], 0x20ffe000, 0x3000);
  syscall(SYS_shmctl, r[0], 3, 0);
  syscall(SYS_munlockall);
  syscall(SYS_shmctl, r[0], 4, 0);
  syscall(SYS_shmctl, r[0], 4, 0);
  return 0;
}