// https://syzkaller.appspot.com/bug?id=39c20639a67051dd4277b3decebda7f2a130ed44
// 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>

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;
  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;
    }
  }
}

#ifndef SYS_connect
#define SYS_connect 98
#endif
#ifndef SYS_getsockname
#define SYS_getsockname 32
#endif
#ifndef SYS_mmap
#define SYS_mmap 197
#endif
#ifndef SYS_sendmsg
#define SYS_sendmsg 28
#endif
#ifndef SYS_setsockopt
#define SYS_setsockopt 105
#endif
#ifndef SYS_socket
#define SYS_socket 394
#endif

uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  res = syscall(SYS_socket, 0x18ul, 3ul, 0);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000240, "\x82\x67\xdb\xb2", 4);
  syscall(SYS_setsockopt, r[0], 0x29, 0x18, 0x20000240ul, 4ul);
  res = syscall(SYS_socket, 0x18ul, 2ul, 0);
  if (res != -1)
    r[1] = res;
  *(uint16_t*)0x200000c0 = 0x18e6;
  *(uint8_t*)0x200000c2 = 7;
  *(uint32_t*)0x200000c4 = 0;
  syscall(SYS_connect, r[1], 0x200000c0ul, 0x1cul);
  memcpy((void*)0x200000c0,
         "\x00\x00\x00\x00\x1d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00",
         110);
  *(uint32_t*)0x20000040 = 0x6e;
  syscall(SYS_getsockname, r[1], 0x200000c0ul, 0x20000040ul);
  res = syscall(SYS_socket, 0x18ul, 3ul, 0);
  if (res != -1)
    r[2] = res;
  *(uint16_t*)0x200000c0 = 0x18e6;
  *(uint8_t*)0x200000c2 = 7;
  *(uint32_t*)0x200000c4 = 0;
  syscall(SYS_connect, r[2], 0x200000c0ul, 0x1cul);
  *(uint64_t*)0x20001440 = 0;
  *(uint32_t*)0x20001448 = 0;
  *(uint64_t*)0x20001450 = 0x20001380;
  *(uint64_t*)0x20001380 = 0x20000180;
  memcpy((void*)0x20000180, "\x00\x00\x00\x00\x4d\x44\xa8\x64", 8);
  *(uint64_t*)0x20001388 = 8;
  *(uint64_t*)0x20001458 = 1;
  *(uint64_t*)0x20001460 = 0;
  *(uint64_t*)0x20001468 = 0;
  *(uint32_t*)0x20001470 = 0;
  syscall(SYS_sendmsg, r[2], 0x20001440ul, 0ul);
}
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;
}