// https://syzkaller.appspot.com/bug?id=51090769c65cf520c04c906adc2ac776b91c792a
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <endian.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <unistd.h>

static uintptr_t syz_open_procfs(uintptr_t a0, uintptr_t a1)
{

  char buf[128];
  memset(buf, 0, sizeof(buf));
  if (a0 == 0) {
    snprintf(buf, sizeof(buf), "/proc/self/%s", (char*)a1);
  } else if (a0 == (uintptr_t)-1) {
    snprintf(buf, sizeof(buf), "/proc/thread-self/%s", (char*)a1);
  } else {
    snprintf(buf, sizeof(buf), "/proc/self/task/%d/%s", (int)a0, (char*)a1);
  }
  int fd = open(buf, O_RDWR);
  if (fd == -1)
    fd = open(buf, O_RDONLY);
  return fd;
}

uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};
void loop()
{
  long res = 0;
  res = syscall(__NR_socket, 0x26, 5, 0);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000040, "stack", 6);
  res = syz_open_procfs(-1, 0x20000040);
  if (res != -1)
    r[1] = res;
  *(uint16_t*)0x20466000 = 0x26;
  memcpy((void*)0x20466002,
         "\x73\x6b\x63\x69\x70\x68\x65\x72\x00\x00\x00\x00\x00\x00", 14);
  *(uint32_t*)0x20466010 = 0;
  *(uint32_t*)0x20466014 = 0;
  memcpy((void*)0x20466018,
         "\x65\x63\x62\x2d\x63\x69\x70\x68\x65\x72\x5f\x6e\x75\x6c\x6c\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], 0x20466000, 0x58);
  res = syscall(__NR_accept4, r[0], 0, 0, 0);
  if (res != -1)
    r[2] = res;
  *(uint64_t*)0x20807000 = 0;
  syscall(__NR_sendfile, r[2], r[1], 0x20807000, 0xffffffff);
}

int main()
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  loop();
  return 0;
}