// 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_msgsnd
#define SYS_msgsnd 226
#endif
#ifndef SYS_socket
#define SYS_socket 394
#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*)0x20000100 = 0;
  memcpy(
      (void*)0x20000108,
      "\x07\x74\xfc\x62\xc4\x89\xe6\xc6\x40\xa4\x2c\x65\x91\x97\xc5\x8c\x19\xe3"
      "\x48\x67\xd4\xc3\x04\x9e\xe6\xd3\x8f\xb2\x27\x1d\x17\x5f\x16\x28\xcb\x95"
      "\xbb\xa7\x14\x5f\x37\x57\x19\xc7\xad\x2b\xaf\xbd\x67\x17\xff\x3a\xb2\x80"
      "\xbe\x61\x92\xd7\xe5\x56\xac\x07\x7c\x35\x0c\xed\x68\x32\x32\xa9\x9c\xea"
      "\x10\x13\xb5\x7a\xf1\x97\x31\x65\x5b\x28\x6e\xda\x8b\x06\xaa\xfa\x47\xea"
      "\x0f\x93\x82\x73\x26\xe4\xd7\x40\xf3\x52\x22\xef\xad\x4d\xb5\xe8\x3c\xca"
      "\xc1\xfd\xe8\x52\xac\x44\x4d\x82\x1a\xd2\x6a\xdb\x7c\xfa\x13\x55\xfb\x07"
      "\x7c\x64\x14\x0c\x54\x53\xb2\x4b\x40\xf1\x69\x40\x70\x3d\x20\xa3\x18\x05"
      "\xd5\x0c\x59\xfc\x02\xf0\x7b\x94\xcd\xaa\x40\xfe\xf7",
      157);
  syscall(SYS_msgsnd, /*msqid=*/0, /*msgp=*/0x20000100ul, /*sz=*/0xa5ul,
          /*flags=*/0ul);
  res = syscall(SYS_socket, /*domain=*/0x18ul, /*type=*/1ul, /*proto=*/0);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x20000180 = 0x8000000000000032;
  syscall(SYS_ioctl, /*fd=*/r[0], /*cmd=*/0xc0106924ul, /*arg=*/0x20000180ul);
}
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;
}