// 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);
  *(uint32_t*)0x20786f68 = 0;
  *(uint16_t*)0x20786f70 = 0xa;
  *(uint16_t*)0x20786f72 = 0;
  *(uint32_t*)0x20786f74 = 0;
  *(uint8_t*)0x20786f78 = 0;
  *(uint8_t*)0x20786f79 = 0;
  *(uint8_t*)0x20786f7a = 0;
  *(uint8_t*)0x20786f7b = 0;
  *(uint8_t*)0x20786f7c = 0;
  *(uint8_t*)0x20786f7d = 0;
  *(uint8_t*)0x20786f7e = 0;
  *(uint8_t*)0x20786f7f = 0;
  *(uint8_t*)0x20786f80 = 0;
  *(uint8_t*)0x20786f81 = 0;
  *(uint8_t*)0x20786f82 = 0;
  *(uint8_t*)0x20786f83 = 0;
  *(uint8_t*)0x20786f84 = 0;
  *(uint8_t*)0x20786f85 = 0;
  *(uint8_t*)0x20786f86 = 0;
  *(uint8_t*)0x20786f87 = 0;
  *(uint32_t*)0x20786f88 = 0;
  *(uint64_t*)0x20786f90 = 0;
  *(uint64_t*)0x20786f98 = 0;
  *(uint64_t*)0x20786fa0 = 0;
  *(uint64_t*)0x20786fa8 = 0;
  *(uint64_t*)0x20786fb0 = 0;
  *(uint64_t*)0x20786fb8 = 0;
  *(uint64_t*)0x20786fc0 = 0;
  *(uint64_t*)0x20786fc8 = 0;
  *(uint64_t*)0x20786fd0 = 0;
  *(uint64_t*)0x20786fd8 = 0;
  *(uint64_t*)0x20786fe0 = 0;
  *(uint64_t*)0x20786fe8 = 0;
  *(uint16_t*)0x20786ff8 = 0;
  *(uint16_t*)0x20786ffa = 0;
  syscall(__NR_setsockopt, -1, 0x84, 9, 0x20786f68, 0x98);
  r[0] = syscall(__NR_socket, 0x26, 5, 0);
  *(uint16_t*)0x20f74000 = 0x26;
  memcpy((void*)0x20f74002,
         "\x73\x6b\x63\x69\x70\x68\x65\x72\x00\x00\x00\x00\x00\x00", 14);
  *(uint32_t*)0x20f74010 = 0;
  *(uint32_t*)0x20f74014 = 0;
  memcpy((void*)0x20f74018,
         "\x6c\x72\x77\x28\x74\x77\x6f\x66\x69\x73\x68\x29\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",
         64);
  syscall(__NR_bind, r[0], 0x20f74000, 0x58);
  memcpy((void*)0x20e24000, "\xb7\x0a\x75\xb0\xd5\xe3\x83\xe5\xb3\xb6\x0c\xed"
                            "\x5c\x54\xdb\x0a\x29\x5d\xf0\xdf\x82\x17\xad\x40"
                            "\x00\x00\x00\x00\x00\x00\x00\xe6",
         32);
  syscall(__NR_setsockopt, r[0], 0x117, 1, 0x20e24000, 0x20);
  r[1] = syscall(__NR_accept, r[0], 0, 0);
  *(uint64_t*)0x201b1e08 = 0;
  *(uint32_t*)0x201b1e10 = 0;
  *(uint64_t*)0x201b1e18 = 0x201c8ff0;
  *(uint64_t*)0x201b1e20 = 1;
  *(uint64_t*)0x201b1e28 = 0x20dd7000;
  *(uint64_t*)0x201b1e30 = 0;
  *(uint32_t*)0x201b1e38 = 0;
  *(uint64_t*)0x201c8ff0 = 0x20a2ff02;
  *(uint64_t*)0x201c8ff8 = 0x60;
  memcpy((void*)0x20a2ff02,
         "\x14\x5f\x94\x29\x0d\x94\xfd\x60\xbe\x6f\x39\xcb\x35\xfb\x21\x81\xb7"
         "\xc8\xa1\x88\xbd\x63\x34\x96\xb7\x4a\x97\x61\x9d\x22\x16\x2b\x60\xf5"
         "\xbf\xee\x3d\x01\x13\xb9\xf4\xa0\x2b\xdc\xd5\xfc\x3b\x4c\xa5\x2e\xfd"
         "\x30\x93\x71\x5e\xda\xce\x21\xb8\xde\x6d\xb9\xac\xdf\x79\xde\xc5\x1e"
         "\xc4\x52\x6a\x77\xc0\x04\xc9\x9f\x05\x81\x16\x33\x53\x28\xb5\xca\xaa"
         "\x5e\xa0\x59\x9a\x94\xe2\x40\xe6\xe2\x88\x9c",
         96);
  syscall(__NR_sendmmsg, r[1], 0x201b1e08, 1, 0);
  *(uint64_t*)0x202e3000 = 1;
  syscall(__NR_ioctl, -1, 0x5421, 0x202e3000);
  *(uint64_t*)0x206e3000 = 0x20f76000;
  *(uint32_t*)0x206e3008 = 0x80;
  *(uint64_t*)0x206e3010 = 0x20f7ffd0;
  *(uint64_t*)0x206e3018 = 1;
  *(uint64_t*)0x206e3020 = 0x20f76f1d;
  *(uint64_t*)0x206e3028 = 0;
  *(uint32_t*)0x206e3030 = 0;
  *(uint64_t*)0x20f7ffd0 = 0x20295000;
  *(uint64_t*)0x20f7ffd8 = 0x1000;
  syscall(__NR_recvmsg, r[1], 0x206e3000, 0);
}

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