// https://syzkaller.appspot.com/bug?id=bf172344c5f1d3487a4feff67c3dd30e08d5b635
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

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

#define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off))
#define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len)               \
  *(type*)(addr) =                                                             \
      htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) |           \
            (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len))))

static long syz_open_dev(volatile long a0, volatile long a1, volatile long 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);
  }
}

#ifndef __NR_clone
#define __NR_clone 120
#endif
#ifndef __NR_ioctl
#define __NR_ioctl 54
#endif
#ifndef __NR_mmap
#define __NR_mmap 192
#endif
#ifndef __NR_openat
#define __NR_openat 295
#endif
#ifndef __NR_perf_event_open
#define __NR_perf_event_open 336
#endif
#ifndef __NR_prlimit64
#define __NR_prlimit64 340
#endif
#ifndef __NR_sched_setattr
#define __NR_sched_setattr 351
#endif
#ifndef __NR_sendmsg
#define __NR_sendmsg 370
#endif
#ifndef __NR_socketpair
#define __NR_socketpair 360
#endif
#ifndef __NR_vmsplice
#define __NR_vmsplice 316
#endif
#ifndef __NR_write
#define __NR_write 4
#endif
#undef __NR_mmap
#define __NR_mmap __NR_mmap2

uint64_t r[1] = {0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, 0x1ffff000, 0x1000, 0, 0x32, -1, 0);
  syscall(__NR_mmap, 0x20000000, 0x1000000, 7, 0x32, -1, 0);
  syscall(__NR_mmap, 0x21000000, 0x1000, 0, 0x32, -1, 0);
  intptr_t res = 0;
  memcpy((void*)0x20000040, "/dev/bus/usb/00#/00#\000", 21);
  res = -1;
  res = syz_open_dev(0x20000040, 0x71, 0x28081);
  if (res != -1)
    r[0] = res;
  syscall(__NR_socketpair, 1, 0, 0, 0x20000000);
  *(uint8_t*)0x20001140 = 0;
  *(uint8_t*)0x20001141 = 0;
  *(uint16_t*)0x20001142 = 0;
  *(uint16_t*)0x20001144 = 0;
  *(uint16_t*)0x20001146 = 0;
  *(uint32_t*)0x20001148 = 0;
  *(uint32_t*)0x2000114c = 0;
  syscall(__NR_ioctl, (intptr_t)r[0], 0x8108551b, 0x20001140);
  STORE_BY_BITMASK(uint8_t, , 0x20000000, 1, 0, 7);
  STORE_BY_BITMASK(uint8_t, , 0x20000000, 1, 7, 1);
  syscall(__NR_ioctl, (intptr_t)r[0], 0xc0185502, 0x20000000);
  syscall(__NR_prlimit64, 0, 0xe, 0, 0);
  *(uint32_t*)0x20000000 = 0x20000500;
  *(uint32_t*)0x20000004 = 0x3528a9c0;
  syscall(__NR_vmsplice, -1, 0x20000000, 1, 0);
  syscall(__NR_write, -1, 0, 0x35);
  syscall(__NR_sendmsg, -1, 0, 0);
  syscall(__NR_sched_setattr, 0, 0, 0);
  syscall(__NR_perf_event_open, 0, 0, -1, -1, 0);
  syscall(__NR_perf_event_open, 0, 0, -1, -1, 0);
  syscall(__NR_clone, 0x103, 0, 0x99999999, 0, -1);
  memcpy((void*)0x20000100, "/dev/fuse\000", 10);
  syscall(__NR_openat, 0xffffff9c, 0x20000100, 2, 0);
  return 0;
}