// https://syzkaller.appspot.com/bug?id=b6aff64ebd79a1ee5ee7e787ca5b8673ba722226
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <sys/types.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/endian.h>
#include <sys/syscall.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;
}

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;
  *(uint64_t*)0x20000880 = 0;
  *(uint64_t*)0x20000888 = 0;
  *(uint64_t*)0x20000890 = 0;
  *(uint64_t*)0x20000898 = 0;
  *(uint64_t*)0x200008a0 = 0;
  *(uint64_t*)0x200008a8 = 0;
  *(uint64_t*)0x200008b0 = 0;
  *(uint64_t*)0x200008b8 = 0;
  *(uint64_t*)0x200008c0 = 0;
  *(uint64_t*)0x200008c8 = 0;
  *(uint64_t*)0x200008d0 = 0;
  *(uint64_t*)0x200008d8 = 0;
  *(uint64_t*)0x200008e0 = 0;
  *(uint64_t*)0x200008e8 = 0;
  *(uint64_t*)0x200008f0 = 0;
  *(uint64_t*)0x200008f8 = 0;
  *(uint64_t*)0x20000900 = 0;
  *(uint64_t*)0x20000908 = 0;
  *(uint64_t*)0x20000910 = 0;
  *(uint64_t*)0x20000918 = 0;
  *(uint64_t*)0x20000920 = 0;
  *(uint64_t*)0x20000928 = 0;
  *(uint64_t*)0x20000930 = 0;
  *(uint64_t*)0x20000938 = 0;
  *(uint64_t*)0x20000940 = 0x20000980;
  *(uint64_t*)0x20000948 = 0xf5;
  syscall(SYS_readv, -1, 0x20000880ul, 0xdul);
  memcpy((void*)0x20000000, "/dev/pf\000", 8);
  res = syscall(SYS_openat, 0xffffffffffffff9cul, 0x20000000ul, 2ul, 0ul);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x20000640 = 0;
  *(uint32_t*)0x20000648 = 0xa;
  *(uint64_t*)0x20000650 = 0x20000600;
  *(uint64_t*)0x20000600 = 0x20000bc0;
  memcpy((void*)0x20000bc0,
         "\xc5\x3e\x07\xc9\x42\xb7\xc0\x1d\xbe\xa1\xea\x1e\x39\x0e\x85\xa6\x03"
         "\x2a\x79\x73\x75\xf8\x08\xec\x01\x64\x03\x61\xeb\x87\x4c\x3d\x8d\x48"
         "\xd1\x0a\x5c\x25\xb1\xff\x26\xd4",
         42);
  *(uint64_t*)0x20000608 = 0x2a;
  *(uint64_t*)0x20000658 = 1;
  *(uint64_t*)0x20000660 = 0;
  *(uint64_t*)0x20000668 = 0xd0;
  *(uint32_t*)0x20000670 = 0;
  syscall(SYS_sendmsg, -1, 0x20000640ul, 0ul);
  syscall(SYS_ioctl, r[0], 0xcbe04404ul, 0x20000040ul);
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x1012ul, -1, 0ul);
  loop();
  return 0;
}