// https://syzkaller.appspot.com/bug?id=a74718ca902617e6aa7327aa008b25844eccf2d3
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

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

static void kill_and_wait(int pid, int* status)
{
  kill(pid, SIGKILL);
  while (waitpid(-1, status, 0) != pid) {
  }
}

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

#define __syscall syscall

static void execute_one(void);

#define WAIT_FLAGS 0

static void loop(void)
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  syscall(SYS_openat, 0xffffffffffffff9c, 0, 0, 0);
  memcpy((void*)0x20000480, "/dev/vmm\000", 9);
  res = syscall(SYS_openat, 0xffffffffffffff9c, 0x20000480, 0, 0);
  if (res != -1)
    r[0] = res;
  *(uint32_t*)0x20000580 = 1;
  *(uint32_t*)0x20000584 = 0;
  *(uint64_t*)0x20000588 = 1;
  *(uint64_t*)0x20000590 = 0;
  *(uint64_t*)0x20000598 = 0;
  *(uint64_t*)0x200005a0 = 0;
  *(uint64_t*)0x200005a8 = 0x20400000;
  *(uint64_t*)0x200005b0 = 0x200000;
  *(uint64_t*)0x200005b8 = 0;
  *(uint64_t*)0x200005c0 = 0;
  *(uint64_t*)0x200005c8 = 0;
  *(uint64_t*)0x200005d0 = 0;
  *(uint64_t*)0x200005d8 = 0;
  *(uint64_t*)0x200005e0 = 0;
  *(uint64_t*)0x200005e8 = 0;
  *(uint64_t*)0x200005f0 = 0;
  *(uint64_t*)0x200005f8 = 0;
  *(uint64_t*)0x20000600 = 0;
  *(uint64_t*)0x20000608 = 0;
  *(uint64_t*)0x20000610 = 0;
  *(uint64_t*)0x20000618 = 0;
  *(uint64_t*)0x20000620 = 0;
  *(uint64_t*)0x20000628 = 0;
  *(uint64_t*)0x20000630 = 0;
  *(uint64_t*)0x20000638 = 0;
  *(uint64_t*)0x20000640 = 0;
  *(uint64_t*)0x20000648 = 0;
  *(uint64_t*)0x20000650 = 0;
  *(uint64_t*)0x20000658 = 0;
  *(uint64_t*)0x20000660 = 0;
  *(uint64_t*)0x20000668 = 0;
  *(uint64_t*)0x20000670 = 0;
  *(uint64_t*)0x20000678 = 0;
  *(uint64_t*)0x20000680 = 0;
  *(uint64_t*)0x20000688 = 0;
  *(uint64_t*)0x20000690 = 0;
  *(uint64_t*)0x20000698 = 0;
  *(uint64_t*)0x200006a0 = 0;
  *(uint64_t*)0x200006a8 = 0;
  *(uint64_t*)0x200006b0 = 0;
  *(uint64_t*)0x200006b8 = 0;
  *(uint64_t*)0x200006c0 = 0;
  *(uint64_t*)0x200006c8 = 0;
  *(uint64_t*)0x200006d0 = 0;
  *(uint16_t*)0x200006d8 = 0;
  *(uint32_t*)0x200006dc = 0;
  *(uint32_t*)0x200006e0 = 0;
  *(uint64_t*)0x200006e8 = 0;
  *(uint16_t*)0x200006f0 = 0;
  *(uint32_t*)0x200006f4 = 0;
  *(uint32_t*)0x200006f8 = 0;
  *(uint64_t*)0x20000700 = 0;
  *(uint16_t*)0x20000708 = 0;
  *(uint32_t*)0x2000070c = 0;
  *(uint32_t*)0x20000710 = 0;
  *(uint64_t*)0x20000718 = 0;
  *(uint16_t*)0x20000720 = 0;
  *(uint32_t*)0x20000724 = 0;
  *(uint32_t*)0x20000728 = 0;
  *(uint64_t*)0x20000730 = 0;
  *(uint16_t*)0x20000738 = 0;
  *(uint32_t*)0x2000073c = 0;
  *(uint32_t*)0x20000740 = 0;
  *(uint64_t*)0x20000748 = 0;
  *(uint16_t*)0x20000750 = 0;
  *(uint32_t*)0x20000754 = 0;
  *(uint32_t*)0x20000758 = 0;
  *(uint64_t*)0x20000760 = 0;
  *(uint16_t*)0x20000768 = 0;
  *(uint32_t*)0x2000076c = 0;
  *(uint32_t*)0x20000770 = 0;
  *(uint64_t*)0x20000778 = 0;
  *(uint16_t*)0x20000780 = 0;
  *(uint32_t*)0x20000784 = 0;
  *(uint32_t*)0x20000788 = 0;
  *(uint64_t*)0x20000790 = 0;
  *(uint16_t*)0x20000798 = 0;
  *(uint32_t*)0x2000079c = 0;
  *(uint32_t*)0x200007a0 = 0;
  *(uint64_t*)0x200007a8 = 0;
  *(uint16_t*)0x200007b0 = 0;
  *(uint32_t*)0x200007b4 = 0;
  *(uint32_t*)0x200007b8 = 0;
  *(uint64_t*)0x200007c0 = 0;
  syscall(SYS_ioctl, r[0], 0xc5005601, 0x20000580);
  syscall(SYS_ftruncate, -1, 0, 0x30000);
  syscall(SYS_semop, 0, 0, 0);
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000, 0x1000000, 3, 0x1012, -1, 0, 0);
  loop();
  return 0;
}