// https://syzkaller.appspot.com/bug?id=e2dc9aea0465d1eea101bb24cb463e2a7efe7d17
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <endian.h>
#include <errno.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <sys/prctl.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

__attribute__((noreturn)) static void doexit(int status)
{
  volatile unsigned i;
  syscall(__NR_exit_group, status);
  for (i = 0;; i++) {
  }
}
#include <stdint.h>
#include <string.h>

const int kFailStatus = 67;
const int kRetryStatus = 69;

static void fail(const char* msg, ...)
{
  int e = errno;
  va_list args;
  va_start(args, msg);
  vfprintf(stderr, msg, args);
  va_end(args);
  fprintf(stderr, " (errno %d)\n", e);
  doexit((e == ENOMEM || e == EAGAIN) ? kRetryStatus : kFailStatus);
}

static uint64_t current_time_ms()
{
  struct timespec ts;

  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    fail("clock_gettime failed");
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static void test();

void loop()
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      fail("loop fork failed");
    if (pid == 0) {
      prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
      setpgrp();
      test();
      doexit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      int res = waitpid(-1, &status, __WALL | WNOHANG);
      if (res == pid)
        break;
      usleep(1000);
      if (current_time_ms() - start > 5 * 1000) {
        kill(-pid, SIGKILL);
        kill(pid, SIGKILL);
        while (waitpid(-1, &status, __WALL) != pid) {
        }
        break;
      }
    }
  }
}

long r[2];
void test()
{
  memset(r, -1, sizeof(r));
  syscall(__NR_mmap, 0x20000000, 0xfff000, 3, 0x32, -1, 0);
  r[0] = syscall(__NR_socket, 0x26, 5, 0);
  *(uint16_t*)0x20f8bfa8 = 0x26;
  memcpy((void*)0x20f8bfaa,
         "\x73\x6b\x63\x69\x70\x68\x65\x72\x00\x00\x00\x00\x00\x00", 14);
  *(uint32_t*)0x20f8bfb8 = 0;
  *(uint32_t*)0x20f8bfbc = 0;
  memcpy((void*)0x20f8bfc0,
         "\x6c\x72\x77\x2d\x74\x77\x6f\x66\x69\x73\x68\x2d\x61\x76\x78\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",
         64);
  syscall(__NR_bind, r[0], 0x20f8bfa8, 0x58);
  r[1] = syscall(__NR_accept, r[0], 0, 0);
  memcpy((void*)0x20330d27, "\xd3\xab\x27\x19\x1a\x01\x00\x23\x56\xba\x60\x2d"
                            "\xff\x05\x00\x0b\xfe\xf9\xf3\xd2\xa4\xb2\x00\x79"
                            "\xff\xff\xff\xff\xff\xff\xfe\x00\x02\x25\x07\x00"
                            "\x97\xc1\x1e\xd4\xc2\xc4\xdc\x42\xff\xa8\x6e\xb9",
         48);
  syscall(__NR_setsockopt, r[0], 0x117, 1, 0x20330d27, 0x30);
  memcpy((void*)0x20c3c000,
         "\x43\x76\x1c\x2d\xd3\x7e\xac\xb1\xae\xbb\x81\x12\x53\x16\xfe\x4a\x95"
         "\xf8\x62\xfb\x50\x1f\xed\x3d\x2d\x4e\x71\x75\x7b\x1e\x96\xde\x2f\xe5"
         "\x26\xde\xeb\x39\x64\x05\xd2\xe5\xeb\x92\xf6\x8a\xad\xaa\x5d\x4c\x8c"
         "\xa9\xea\xa8\x89\x4b\xb2\x37\x4d\xa8\x9b\xc0\x86\x88\x96\x31\xd2\xf9"
         "\x52\x9b\x82\x23\x2f\x24\x0f\x76\x5c\xa6\x26\x6c\x56\xf2\xd0\x26\x2b"
         "\x9f\x3f\x29\x73\xa5\xa0\xad\xbd\x50\x13\x56\x29\x7b\xad\x02\xec\x8b"
         "\x2c\xc1\xce\x2b\x44\xd9\xcf\x1d\x90\x81",
         112);
  syscall(__NR_sendto, r[1], 0x20c3c000, 0x70, 0, 0x20000000, 0);
  *(uint64_t*)0x20a4a000 = 0x202fffa0;
  *(uint32_t*)0x20a4a008 = 0x60;
  *(uint64_t*)0x20a4a010 = 0x20dc6000;
  *(uint64_t*)0x20a4a018 = 2;
  *(uint64_t*)0x20a4a020 = 0x203f6f43;
  *(uint64_t*)0x20a4a028 = 0;
  *(uint32_t*)0x20a4a030 = 0;
  *(uint64_t*)0x20dc6000 = 0x20fe4000;
  *(uint64_t*)0x20dc6008 = 0x1a;
  *(uint64_t*)0x20dc6010 = 0x2058df8c;
  *(uint64_t*)0x20dc6018 = 0x74;
  syscall(__NR_recvmsg, r[1], 0x20a4a000, 0);
}

int main()
{
  for (;;) {
    loop();
  }
}