// https://syzkaller.appspot.com/bug?id=4006bcda50967d109d7512134751ca8fb84d393f
// 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));
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

#ifndef __NR_mmap
#define __NR_mmap 192
#endif
#ifndef __NR_memfd_create
#define __NR_memfd_create 356
#endif
#ifndef __NR_ioctl
#define __NR_ioctl 54
#endif
#undef __NR_mmap
#define __NR_mmap __NR_mmap2

long r[3];
void loop()
{
  memset(r, -1, sizeof(r));
  syscall(__NR_mmap, 0x20000000, 0xfff000, 3, 0x32, -1, 0);
  memcpy((void*)0x202d2ff5, "/dev/loop#", 11);
  r[0] = syz_open_dev(0x202d2ff5, 0, 0x181001);
  memcpy((void*)0x20ac9ff1,
         "\x74\x08\x6e\x75\x00\x00\x00\x00\x00\x00\x00\x00\x00\x8c\xec", 15);
  r[1] = syscall(__NR_memfd_create, 0x20ac9ff1, 0);
  syscall(__NR_ioctl, r[0], 0x4c00, r[1]);
  memcpy((void*)0x203ea000, "/dev/loop#", 11);
  r[2] = syz_open_dev(0x203ea000, 0, 0x801);
  *(uint32_t*)0x20085000 = 0;
  *(uint32_t*)0x20085004 = 0;
  *(uint32_t*)0x20085008 = 0;
  *(uint32_t*)0x2008500c = 0;
  *(uint32_t*)0x20085010 = 0xfffffff9;
  *(uint32_t*)0x20085014 = 0;
  *(uint32_t*)0x20085018 = 8;
  *(uint32_t*)0x2008501c = 8;
  memcpy((void*)0x20085020,
         "\xd8\x6f\xad\xe4\xcd\xb9\x0d\x02\xcb\xaf\x3b\x52\xa1\xa9\xef\xdb\xef"
         "\x07\x42\xab\x1c\x3b\x70\x16\x1e\x63\x45\x61\x8e\x04\xc7\xe2\xd2\x1d"
         "\x01\x4a\x68\xad\x36\x96\x21\xfb\x8b\xa8\xdd\xfe\x9c\x05\x8e\xb0\xb0"
         "\xa7\x51\xb9\x96\x2c\xc8\x67\x1d\x29\xe9\x69\x97\x4b",
         64);
  memcpy((void*)0x20085060, "\x94\xc6\x71\x5b\x3f\xed\x37\xdd\x70\x18\x26\x12"
                            "\xe9\xf2\x19\x98\x7d\xb6\x7b\x9d\x32\xb5\x80\x6c"
                            "\x8b\x18\xc9\x40\xdd\x83\x62\xe9",
         32);
  *(uint32_t*)0x20085080 = 0xaf38;
  *(uint32_t*)0x20085084 = 0;
  *(uint32_t*)0x20085088 = 0;
  syscall(__NR_ioctl, r[2], 0x4c02, 0x20085000);
}

int main()
{
  loop();
  return 0;
}