symeonp

import json
import os
from datetime import datetime, timezone
from hashlib import sha256

import requests
from eosio_signer import EOSIOKey

HOST_NAME = os.getenv("BX_API_HOSTNAME")
PRIVATE_KEY = os.getenv("BX_PRIVATE_KEY")

symeonp

// Harness by https://twitter.com/addisoncrump_vr
#![cfg_attr(fuzzing, no_main)]

use arbitrary::{Arbitrary, Unstructured};
use embedded_graphics_core::geometry::Point;
use libfuzzer_sys::fuzz_target;
use rand::rngs::StdRng;
use rand::{RngCore, SeedableRng};
use std::num::{NonZeroI8, NonZeroU8};
#[cfg(not(fuzzing))]

symeonp

git revert e85682585ab27a3c0593c403b892190c52009960

Compiled using the following flags:

$ CC=clang-8 CXX=clang++-8 CCFLAGS="-fprofile-instr-generate -fcoverage-mapping" CXXFLAGS="-fprofile-instr-generate -fcoverage-mapping" ./configure --with-sanitizer=address --disable-xcb
$ ASAN_OPTIONS=detect_leaks=0 make -j4

symeonp

import ctypes
import sys

dll = ctypes.windll.LoadLibrary("ConvertToPDF_x86.dll")

try:
    oConvertor = ctypes.c_int(dll.CreateFXPDFConvertor())
    print oConvertor
    print type(oConvertor)
    

symeonp

0:000> g 76dfeff1 
ModLoad: 76e30000 76e4f000   C:\Windows\system32\IMM32.DLL
ModLoad: 754a0000 7556d000   C:\Windows\system32\MSCTF.dll
ModLoad: 73d80000 73dc0000   C:\Windows\system32\uxtheme.dll
eax=03581220 ebx=00000050 ecx=00000000 edx=00000000 esi=03581114 edi=000000bc
eip=76dfeff1 esp=0025f6c0 ebp=0025f6d8 iopl=0         nv up ei pl nz ac po nc
cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00000212
GDI32!MRBDIB::vInit+0x131:
76dfeff1 e8927cfeff      call    GDI32!memcpy (76de6c88)
0:000> dds esp L3

symeonp

Make sure you run from an elevated console: windbg -QY
then start Internet Explorer and *attach* it.

Also enable page heap with: gflags.exe /i "C:\Program Files (x86)\Internet Explorer\iexplore.exe" +hpa +ust

OS: Windows 7 x64
IE version: 11.0.9600.18792

(102c.efc): Break instruction exception - code 80000003 (first chance)
ntdll!DbgBreakPoint: