// https://syzkaller.appspot.com/bug?id=60d46fd4863952897cbf67c6b1bcc8b20ec7bde6
// 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>

#ifndef SYS_compat_50_mknod
#define SYS_compat_50_mknod 14
#endif
#ifndef SYS_ioctl
#define SYS_ioctl 54
#endif
#ifndef SYS_mmap
#define SYS_mmap 197
#endif
#ifndef SYS_open
#define SYS_open 5
#endif
#ifndef SYS_sendto
#define SYS_sendto 133
#endif

static unsigned long long procid;

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;
}

static void execute_one(void);

#define WAIT_FLAGS 0

static void loop(void)
{
  int iter = 0;
  for (;; 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 < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x200000c0, "./file0\000", 8);
  syscall(SYS_compat_50_mknod, 0x200000c0ul, 0x2000ul, 0x17fc);
  memcpy((void*)0x20000000, "./file0\000", 8);
  res = syscall(SYS_open, 0x20000000ul, 0ul, 0ul);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000040,
         "\xc6\xeb\xf8\x25\x4f\xde\xab\x8b\x37\xf0\x17\xc2\x04\x92\x33\xaf\x08"
         "\x76\xfe\xad\x1f\x4b\x64\xb3\x6f\x4d\x37\xd0\xbc\xe6\x85\x54\xc2\x7d"
         "\x4d\x1c\x4e\x65\xe3\x53\x83\x7e\x60\x9c\x5d\x42\x8b\xb9\xfa\x8f\x81"
         "\x72\x5e\xf4\x27\x43\x26\xaf\x5e\xc1\xbe\x65\xc1\xd8\x20\x28\x74\xc5"
         "\x94\xa7\xd2\x30\xd7\xde\xa1\x90\x17\x41\xf6\x3d\xb1\x84\x83\xbe\xea"
         "\x56\x76\x63\x88\x92\xb7\x7a\x76\x90\x9d\xba\xe8\x02\x21\x1a\xe7\x10"
         "\x5c\x3e\xe8\x90\xf1\xa1\x35\x41\xba\x37\x49\x11\x5e\x00\x13\x50\xc5"
         "\x65\xa9\x2d\x75\xc0\x9e\xe8\xa1\x0a\x43\x3d\x7b\xd6\x7f\x18\x6f\x39"
         "\x7d\x47\x64\xe7\xe6\x89\x41\x66\x7f\x0f\x73\x92\x90\xd9\xfa\x34\x24"
         "\x32\x9a\x8e\x0e\x09\x81\xb7\x45\x37\x9d\x22\x93\x2b\x95\x17\x48\x56"
         "\xb6\x8b\x68\xe4\x97\x6e\xcb\xfd\xe4\x08\xa2\x08\x0d\xa2\x89\xc7\xcf"
         "\x97\x87\x25\x43\x44\x27\x40\x01\x79\x67\x1d\x61\x90\xc6\xb1\x7e\x2a"
         "\xe9\xb2\x5f\x3d\x73\x57\xc8\x7c\xac\x61\xc7\xf4\xd9\x2c",
         218);
  syscall(SYS_sendto, -1, 0x20000040ul, 0xdaul, 4ul, 0ul, 0ul);
  *(uint32_t*)0x20000040 = 0x13ae4701;
  syscall(SYS_ioctl, r[0], 0x8010427aul, 0x20000040ul);
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x1012ul, -1, 0ul, 0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}