// https://syzkaller.appspot.com/bug?id=4462682cd32aee8ff03a43c8b9be3963743bc506
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <fcntl.h>
#include <stdint.h>
#include <stdio.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);
  }
}

long r[8];
void loop()
{
  memset(r, -1, sizeof(r));
  r[0] = syscall(__NR_mmap, 0x20000000ul, 0xfff000ul, 0x3ul, 0x32ul,
                 0xfffffffffffffffful, 0x0ul);
  memcpy((void*)0x20005000, "\x2f\x64\x65\x76\x2f\x73\x67\x23\x00", 9);
  r[2] = syz_open_dev(0x20005000ul, 0x0ul, 0x8002ul);
  memcpy((void*)0x208ac000,
         "\xc5\x3d\xb8\x5e\x1c\x8d\x22\x5d\xbb\xf3\xb2\x8b\x73\x93\x15"
         "\xd6\x1d\xcc\x43\x6a\xed\x4a\xd2\xbc\x70\x18\xce\xbc\x97\xb5"
         "\x21\x77\x87\x2c\x6f\xf7\x00\xcd\x3b\x16\x0e\x96\xaa\x1f\x5b",
         45);
  r[4] = syscall(__NR_write, r[2], 0x208ac000ul, 0x2dul);
  *(uint64_t*)0x207efff0 = (uint64_t)0x20563000;
  *(uint64_t*)0x207efff8 = (uint64_t)0x1000;
  r[7] = syscall(__NR_readv, r[2], 0x207efff0ul, 0x1ul);
}

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