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cfarl, posted Fri Feb 09, 2018 4:29 pm (32305)

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Hi!
I'm getting and error when running the a script in a particular .lha decompressed file from Dead Space.

My script:

Code:

comtype dk2_compress
get ZSIZE asize
goto 2
endian big
get SIZE threebyte
get NAME basename
string NAME = "primeiro_comp.LH2"
clog NAME 0 ZSIZE SIZE

My file: https://drive.google.com/open?id=13PVC2x2KV2IOc03Tp1FfkYnGi6PE6Kkg

My call to quickbms:

Code:

quickbms.exe -o comprimir-lh2.bms primeiro_descom.LH2

QuickBms Error Message:

Code:

QuickBMS generic files extractor and reimporter 0.8.3
by Luigi Auriemma
e-mail: [email protected]
web:    aluigi.org
        (Jan 21 2018 - 15:18:31)

                   quickbms.aluigi.org  Homepage
                            zenhax.com  ZenHAX Forum
                               @zenhax  Twitter & Scripts

- open input file C:\danger\traducoes\traducao-dead space\erro_quickbms\primeiro_descom.LH2
- open script comprimir-lh2.bms
- set output folder .

  offset   filesize   filename
--------------------------------------
  00000000 4410368    primeiro_comp.LH2

-------------------
*EXCEPTION HANDLER*
-------------------
An error or crash occurred:

*EH* ExceptionCode      80000001 guard page violation
*EH* ExceptionFlags     00000000
*EH* ExceptionAddress   012b7ddf
                        012A0000   00017ddf quickbms.exe
*EH* NumberParameters   00000002
*EH*                    00000000
*EH*                    0e2ee000

Last script line before the error or that produced the error:
  8   clog NAME 0 ZSIZE SIZE

Can you help me?

Thanks in advance!

aluigi, posted Fri Feb 09, 2018 8:44 pm (32308)

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I have no idea of what you want to do, really.
Anyway if you want just to compress the file:

Code:

comtype dk2_compress
get SIZE asize
clog "new_file" 0 SIZE SIZE

cfarl, posted Fri Feb 09, 2018 11:37 pm (32317)

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Your script works as a charm!
But even using it, I got the same error with the file I provided up....

aluigi, posted Sat Feb 10, 2018 8:07 pm (32340)

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Interesting.
Unfortunately the dk2/qfs compressor has not been written by me so I have no ideas, but it looks like it's a bit messy and buggy, that explains why it wants to access data outside the buffer.
I will check it for the next version of quickbms, maybe I will find a solution by myself.

It's interesting that the issue seems to happen just with your file

aluigi, posted Sat Feb 10, 2018 8:19 pm (32341)

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Ok the problem seems to be the necessity of having 1028 zeroes after the file... definitely a bad thing.
I will fix it by myself.

aluigi, posted Sat Feb 10, 2018 8:25 pm (32342)

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*edit* wrong

cfarl, posted Sun Feb 11, 2018 1:50 am (32349)

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ok, this new script works with the first file, but not with this.... https://drive.google.com/open?id=1ifLH2R2ZHyGtXTYlJLo7Kcy7mIwUALOu

Code:

QuickBMS generic files extractor and reimporter 0.8.3
by Luigi Auriemma
e-mail: [email protected]
web:    aluigi.org
        (Jan 21 2018 - 15:18:31)

                   quickbms.aluigi.org  Homepage
                            zenhax.com  ZenHAX Forum
                               @zenhax  Twitter & Scripts

- open input file C:\Users\admin\Desktop\Traducoes\Dead Space\criar_novo_str\primeiro_descom.LH2
- open script tools\comprimir-lh2.bms
- set output folder .

  offset   filesize   filename
--------------------------------------
  00000000 244715     primeiro_comp.LH2

-------------------
*EXCEPTION HANDLER*
-------------------
An error or crash occurred:

*EH* ExceptionCode      80000001 guard page violation
*EH* ExceptionFlags     00000000
*EH* ExceptionAddress   000c7ddf
                        000B0000   00017ddf quickbms.exe
*EH* NumberParameters   00000002
*EH*                    00000000
*EH*                    0d04e000

Last script line before the error or that produced the error:
  10  clog NAME 0 TMP SIZE MEMORY_FILE

aluigi, posted Sun Feb 11, 2018 12:07 pm (32356)

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my mistake, forget my previous post, there is no work-around

cfarl, posted Sun Feb 11, 2018 4:45 pm (32387)

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No problem, Aluigi. Thanks for your help, and for this great tool you made.
With best regards,
cfarl

aluigi, posted Thu Mar 01, 2018 5:16 pm (32805)

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The bug will be fixed in the upcoming quickbms 0.8.4.
It was extremely easy to fix so I have no idea why the author preferred to create a bug on purpose (as described in his comments) rather than adding a simple check on 2 pointers, it doesn't seem a "requirement" of the algorithm... mah.