// https://syzkaller.appspot.com/bug?id=502c872feb9bbb5ad6494c349c7faa87a9f1777b
// 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[1];
void test()
{
  memset(r, -1, sizeof(r));
  syscall(__NR_mmap, 0x20000000, 0xf23000, 3, 0x32, -1, 0);
  r[0] = syscall(__NR_socket, 0x10, 3, 6);
  *(uint8_t*)0x2077d000 = 0xac;
  *(uint8_t*)0x2077d001 = 0x14;
  *(uint8_t*)0x2077d002 = 0;
  *(uint8_t*)0x2077d003 = 0xbb;
  *(uint8_t*)0x2077d010 = 0;
  *(uint8_t*)0x2077d011 = 0;
  *(uint8_t*)0x2077d012 = 0;
  *(uint8_t*)0x2077d013 = 0;
  *(uint8_t*)0x2077d014 = 0;
  *(uint8_t*)0x2077d015 = 0;
  *(uint8_t*)0x2077d016 = 0;
  *(uint8_t*)0x2077d017 = 0;
  *(uint8_t*)0x2077d018 = 0;
  *(uint8_t*)0x2077d019 = 0;
  *(uint8_t*)0x2077d01a = -1;
  *(uint8_t*)0x2077d01b = -1;
  *(uint32_t*)0x2077d01c = htobe32(0x7f000001);
  *(uint16_t*)0x2077d020 = 0;
  *(uint16_t*)0x2077d022 = htobe16(0);
  *(uint16_t*)0x2077d024 = 0;
  *(uint16_t*)0x2077d026 = htobe16(0);
  *(uint16_t*)0x2077d028 = 0;
  *(uint8_t*)0x2077d02a = 0;
  *(uint8_t*)0x2077d02b = 0;
  *(uint8_t*)0x2077d02c = 0;
  *(uint32_t*)0x2077d030 = 0;
  *(uint32_t*)0x2077d034 = 0;
  *(uint64_t*)0x2077d038 = 0;
  *(uint64_t*)0x2077d040 = 0;
  *(uint64_t*)0x2077d048 = 0;
  *(uint64_t*)0x2077d050 = 0;
  *(uint64_t*)0x2077d058 = 0;
  *(uint64_t*)0x2077d060 = 0;
  *(uint64_t*)0x2077d068 = 0;
  *(uint64_t*)0x2077d070 = 0;
  *(uint64_t*)0x2077d078 = 0;
  *(uint64_t*)0x2077d080 = 0;
  *(uint64_t*)0x2077d088 = 0;
  *(uint64_t*)0x2077d090 = 0;
  *(uint32_t*)0x2077d098 = 0;
  *(uint32_t*)0x2077d09c = 0;
  *(uint8_t*)0x2077d0a0 = 0;
  *(uint8_t*)0x2077d0a1 = 0;
  *(uint8_t*)0x2077d0a2 = 0;
  *(uint8_t*)0x2077d0a3 = 0;
  *(uint32_t*)0x2077d0a8 = htobe32(0xe0000001);
  *(uint32_t*)0x2077d0b8 = 0;
  *(uint8_t*)0x2077d0bc = 0;
  *(uint16_t*)0x2077d0c0 = 0;
  *(uint64_t*)0x2077d0c4 = htobe64(0);
  *(uint64_t*)0x2077d0cc = htobe64(1);
  *(uint32_t*)0x2077d0d4 = 0;
  *(uint8_t*)0x2077d0d8 = 0;
  *(uint8_t*)0x2077d0d9 = 0;
  *(uint8_t*)0x2077d0da = 0;
  *(uint32_t*)0x2077d0dc = 0;
  *(uint32_t*)0x2077d0e0 = 0;
  *(uint32_t*)0x2077d0e4 = 0;
  syscall(__NR_setsockopt, r[0], 0x10e, 0xb, 0x2077d000, 0xe8);
  *(uint64_t*)0x20f1efc8 = 0x20f1e000;
  *(uint32_t*)0x20f1efd0 = 0xc;
  *(uint64_t*)0x20f1efd8 = 0x207dfff0;
  *(uint64_t*)0x20f1efe0 = 1;
  *(uint64_t*)0x20f1efe8 = 0;
  *(uint64_t*)0x20f1eff0 = 0;
  *(uint32_t*)0x20f1eff8 = 0;
  *(uint16_t*)0x20f1e000 = 0x10;
  *(uint16_t*)0x20f1e002 = 0;
  *(uint32_t*)0x20f1e004 = 0;
  *(uint32_t*)0x20f1e008 = 0;
  *(uint64_t*)0x207dfff0 = 0x2088cc98;
  *(uint64_t*)0x207dfff8 = 0xf4;
  *(uint32_t*)0x2088cc98 = 0xf4;
  *(uint16_t*)0x2088cc9c = 0x18;
  *(uint16_t*)0x2088cc9e = 0x3c2c;
  *(uint32_t*)0x2088cca0 = 0;
  *(uint32_t*)0x2088cca4 = 0;
  *(uint32_t*)0x2088cca8 = htobe32(0);
  *(uint8_t*)0x2088ccb8 = 0xac;
  *(uint8_t*)0x2088ccb9 = 0x14;
  *(uint8_t*)0x2088ccba = 0;
  *(uint8_t*)0x2088ccbb = 0xbb;
  *(uint16_t*)0x2088ccc8 = 0;
  *(uint16_t*)0x2088ccca = htobe16(0);
  *(uint16_t*)0x2088cccc = 0;
  *(uint16_t*)0x2088ccce = htobe16(0);
  *(uint16_t*)0x2088ccd0 = 0;
  *(uint8_t*)0x2088ccd2 = 0;
  *(uint8_t*)0x2088ccd3 = 0;
  *(uint8_t*)0x2088ccd4 = 0;
  *(uint32_t*)0x2088ccd8 = 0;
  *(uint32_t*)0x2088ccdc = 0;
  *(uint8_t*)0x2088cce0 = -1;
  *(uint8_t*)0x2088cce1 = 1;
  *(uint8_t*)0x2088cce2 = 0;
  *(uint8_t*)0x2088cce3 = 0;
  *(uint8_t*)0x2088cce4 = 0;
  *(uint8_t*)0x2088cce5 = 0;
  *(uint8_t*)0x2088cce6 = 0;
  *(uint8_t*)0x2088cce7 = 0;
  *(uint8_t*)0x2088cce8 = 0;
  *(uint8_t*)0x2088cce9 = 0;
  *(uint8_t*)0x2088ccea = 0;
  *(uint8_t*)0x2088cceb = 0;
  *(uint8_t*)0x2088ccec = 0;
  *(uint8_t*)0x2088cced = 0;
  *(uint8_t*)0x2088ccee = 0;
  *(uint8_t*)0x2088ccef = 1;
  *(uint32_t*)0x2088ccf0 = 0;
  *(uint8_t*)0x2088ccf4 = 0;
  *(uint32_t*)0x2088ccf8 = htobe32(0);
  *(uint64_t*)0x2088cd08 = 0;
  *(uint64_t*)0x2088cd10 = 0;
  *(uint64_t*)0x2088cd18 = 0;
  *(uint64_t*)0x2088cd20 = 0;
  *(uint64_t*)0x2088cd28 = 0;
  *(uint64_t*)0x2088cd30 = 0;
  *(uint64_t*)0x2088cd38 = 0;
  *(uint64_t*)0x2088cd40 = 0;
  *(uint64_t*)0x2088cd48 = 0;
  *(uint64_t*)0x2088cd50 = 0;
  *(uint64_t*)0x2088cd58 = 0;
  *(uint64_t*)0x2088cd60 = 0;
  *(uint32_t*)0x2088cd68 = 0;
  *(uint32_t*)0x2088cd6c = 0;
  *(uint32_t*)0x2088cd70 = 0;
  *(uint32_t*)0x2088cd74 = 0;
  *(uint32_t*)0x2088cd78 = 0;
  *(uint16_t*)0x2088cd7c = 0;
  *(uint8_t*)0x2088cd7e = 0;
  *(uint8_t*)0x2088cd7f = 0;
  *(uint8_t*)0x2088cd80 = 0;
  *(uint8_t*)0x2088cd88 = 0;
  syscall(__NR_sendmsg, r[0], 0x20f1efc8, 0);
}

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