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Date: Mon, 21 Jan 2013 13:21:56 +0530
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: Static analysis of John using CppCheck

On Mon, Jan 21, 2013 at 12:41 PM, magnum <john.magnum@...hmail.com> wrote:
>
> On 21 Jan, 2013, at 8:06 , magnum <john.magnum@...hmail.com> wrote:
>
>>
>> On 21 Jan, 2013, at 5:41 , Lukas Odzioba <lukas.odzioba@...il.com> wrote:
>>
>>> Hi I used Cppcheck 1.55 (but newest is 1.58) to check unstable-jumbo.
>>> Here is link to results: http://ideone.com/BO7XVd - over 600 lines so
>>> I didn't want to post it here.
>>>
>> I checked most of the claimed "Buffer access out-of-bounds" and they are just false positives. Example:
>>
>>       memcpy(block, AFS_long_IV, 8);
>>
>> Size of both are 8 so this is not out of bounds. But block is ARCH_WORD_32 so it seems Cppcheck tries to apply pointer arithmetic where it shouldn't. Same red herring in all cases I checked.
>
> From 1.57 changelog: "Fixed several false negatives in buffer overrun check". Perhaps latest would be better.

Cppcheck 1.58 logs,

http://dl.dropbox.com/u/1522424/cppcheck_4f2ebca8d500_1.58.log.bz2

-- 
Dhiru

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