winafl: WinAFL Crashes with testing code

I am getting the following crash on running the winafl.

<Application C:\Users\in3o\Documents\FuzzSample\Release\FuzzSample.exe (15208). WinAFL internal crash at PC 0x70f5cffb. Please report this at . Program aborted. 0xc0000005 0x00000000 0x70f5cffb 0x70f5cffb 0x00000003 0x00000000 Base: 0x70e90000 Registers: eax=0x00000000 ebx=0x012ff288 ecx=0xd27a70b4 edx=0x00000000 esi=0x2222e330 edi=0x2222e324 esp=0x012ff2a8 ebp=0x012ff358 eflags=0x0001020 version 6.2.17367, custom build -no_dynamic_options -client_lib 'C:\Users\in3o\Desktop\acrobat\winafl\bin32\winafl.dll;0;"-debug" "-target_module" "C:\Users\in3o\Documents\FuzzSample\Release\FuzzSample.exe" "-target_method" "Fuzz" "-coverage_module" "vulnerable.dll" "-fuzz_iterations" "10000"' -code_api -probe_api -stack_size 56K -max_elide_jmp 0 -max_ 0x012ff358 0x70f376f4 0x012ff384 0x70f37591 0x012ff890 0x70f372db 0x012ff8d0 0x70ec095d 0x012ff8f8 0x70f30f2c 0x012ff918 0x70f5c8c8>

I am running the fuzzer with following command line.

C:\Users\in3o\Desktop\acrobat\dynamorio\build\bin32\drrun.exe -c winafl.dll -debug -target_module C:\Users\in3o\Documents\FuzzSample\Release\FuzzSample.exe -target_method Fuzz -coverage_module vulnerable.dll -fuzz_iterations 10000 – “C:\Users\in3o\Documents\FuzzSample\Release\FuzzSample.exe” in\sample.txt