// https://syzkaller.appspot.com/bug?id=898545a2e712628a74e5522390c09d983afdb05d
// 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_ioctl
#define SYS_ioctl 54
#endif
#ifndef SYS_mmap
#define SYS_mmap 197
#endif
#ifndef SYS_socket
#define SYS_socket 394
#endif
#ifndef SYS_writev
#define SYS_writev 121
#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;
  *(uint64_t*)0x200000c0 = 0x20000000;
  memcpy((void*)0x20000000,
         "\x6d\xd3\x32\xe3\x08\x80\x9b\xf2\x82\xed\xeb\xe5\xf0\x07\xad\x67\xae"
         "\x15\x95\x4a\x23\xd3\x7d\x00\x3d\x7c\xf7\x5d\xa8\x02\x63\xdf\xca\x5a"
         "\x89\x43\xa3\x42\x1f\xe6\xf8\x4e\xb5\x01\xcf\xc8\x06\xc5\x00\xc4\xd2"
         "\xba\xb7\xef\xb0\xa7\xbd\x27\xbc\x82\x54\xb6\x5c\xa6\xc0\x01\xf0\x37"
         "\x8f\xa4\xd7\x10\x47",
         73);
  *(uint64_t*)0x200000c8 = 0x49;
  syscall(SYS_writev, /*fd=*/0xffffff9c, /*vec=*/0x200000c0ul, /*vlen=*/1ul);
  res = syscall(SYS_socket, /*domain=*/2ul, /*type=*/2ul, /*proto=*/0);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x20000040 = 0x8000000000000032;
  syscall(SYS_ioctl, /*fd=*/r[0], /*cmd=*/0xc0106924ul, /*arg=*/0x20000040ul);
}
int main(void)
{
  syscall(SYS_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/3ul,
          /*flags=*/0x1012ul, /*fd=*/-1, /*pad=*/0ul, /*offset=*/0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}