// https://syzkaller.appspot.com/bug?id=a2374a5541e385c5b4b098b85ac20ab37346c705
// 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_dev(uintptr_t a0, uintptr_t a1, uintptr_t a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

static void execute_one();
extern unsigned long long procid;

void loop()
{
  while (1) {
    execute_one();
  }
}

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};
void execute_one()
{
  long res = 0;
  memcpy((void*)0x20000140, "/dev/loop#", 11);
  res = syz_open_dev(0x20000140, 0, 0x8000);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000380,
         "\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x76\x8e"
         "\x05\xf7\xc1\x55\xad\x7d\xc6\x94\x7c\x57\x3e\x5a\x69\x24\x4e\x76\x38"
         "\x2c\x0a\xa6\x3d\x57\x5e\xa3\x59\x7f\x8b\x17\x28\x27\x7e\xf7\x6b\x30"
         "\x54\x4d\x7b\xa9\x2d\xcf\x97\x8f\x1f\x81\xdc\x1b\x7f\x8f\x7b\x34\x51"
         "\xda\xda\x02\xec\xb4\xf1\xdd\xcc\x8b\x52\x41\xda\x89\x45\x66\x6e\x00"
         "\x73\xc2\x5a\x62\x01\x00\x4d\xbe\xa3\x7a\xab\xd3\xeb\x98\x88\xc4\xc6"
         "\x29\x41\x9f\x50\x93\x7a\x68\x48\xe0\xd2\x81\xdb\xee\x56\x8c\x4d\xe9"
         "\xa0\x36\xc2\x6f\x19\x22\xf6\x49\x71\xd4\xdf\x97\xfb\xab\x04\xe8\xce"
         "\x49\x38\xb3\x1d\xcf\x25\x9b\x4b\xc6\x09\x01\xe1\x86\x61\xfa\xb8\xfb"
         "\x29\x88\xcd\x2b\xc2\x60\xc2\xf5\x72\x35\x3e\x6b\xb0\xa0\x02\xfc\x16"
         "\x4d\x4f\x18\x9b\x06\x80\x62\xd1\x01\x00\x00\x00\x00\x00\x00\x00\x40"
         "\x0c\x0c\x4c\xa5\x7b\x54\x6b\x94\x30\x17\x2e\xa5\x36\x2e\xe0\x14\x1b"
         "\x3d\xf0\x6a\xd2\x35\xe8\x15\xd8\x9e\xea\xd3\xd9\x47\x34\x09\xc0\x9c"
         "\x2e\x27\xa9\x52\x33\x7a\x24\xf2\x01\x88\xc0\x13\x12\x3c\xc0\x31\x6a"
         "\x33\xd8\xb4\x43\x45\x37\x73\xe4\xa0\x9e\xdd\x80\x31\x12\x4d\xee\x13"
         "\xce\x9c\x75\x28\x8f\x2e\xc8\x33\xc7\xe6\x6a\xf5\xb1\x9a\x00\x00\x00"
         "\x00\x00\x00\x00",
         276);
  res = syscall(__NR_memfd_create, 0x20000380, 0);
  if (res != -1)
    r[1] = res;
  *(uint64_t*)0x20000340 = 0x200001c0;
  memcpy((void*)0x200001c0, "'", 1);
  *(uint64_t*)0x20000348 = 1;
  syscall(__NR_pwritev, r[1], 0x20000340, 1, 0x81806);
  syscall(__NR_ioctl, r[0], 0x4c00, r[1]);
  syscall(__NR_ioctl, r[0], 0x4c06, r[0]);
}

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