// https://syzkaller.appspot.com/bug?id=4462682cd32aee8ff03a43c8b9be3963743bc506
// 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_write
#define __NR_write 4
#endif
#ifndef __NR_readv
#define __NR_readv 145
#endif
#undef __NR_mmap
#define __NR_mmap __NR_mmap2

long r[1];
void loop()
{
  memset(r, -1, sizeof(r));
  syscall(__NR_mmap, 0x20000000, 0xfff000, 3, 0x32, -1, 0);
  memcpy((void*)0x20005000, "/dev/sg#", 9);
  r[0] = syz_open_dev(0x20005000, 0, 0x8002);
  memcpy((void*)0x20982000,
         "\xb6\x3d\xb8\x5e\x1e\x8d\x00\x07\x00\x01\xb2\x9d\x00\x3b\x06\xec\xff"
         "\xff\xff\x00\x00\x00\x00\x00\x06\x01\x9b\x97\x2d\x21\x1d\x4d\x87\x30"
         "\x67\x8f\xe2\x2c\x9b\x16\x0e\x96\xaa\x1f\xae\x1a\x56\x9d\x4b",
         49);
  syscall(__NR_write, r[0], 0x20982000, 0x31);
  *(uint32_t*)0x204d7fa0 = 0x20aaaf6b;
  *(uint32_t*)0x204d7fa4 = 0x95;
  syscall(__NR_readv, r[0], 0x204d7fa0, 1);
}

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