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Date: Sun, 23 Dec 2012 19:39:57 +0530
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: scan-build results, part 1

On Sun, Dec 23, 2012 at 6:36 PM, Dhiru Kholia <dhiru.kholia@...il.com> wrote:
> scan-build is complaining about "Logic error    Stack address stored into
> global variable" in single.c.
>
> 495     void do_single_crack(struct db_main *db)
> 496     {
> 497         struct rpp_context ctx;
> 498
> 499         single_db = db;
> 500         rule_ctx = &ctx;
> 501         single_init();
> 502         single_run();
> 503         single_done();
> 504     }
>
> Address of stack memory associated with local variable 'ctx' is still
> referred to by the global variable 'rule_ctx' upon returning to the
> caller. This will be a dangling reference.
>
> I don't know if rules_ctx's value is used later on or not.

For complete set of results, see
http://dl.dropbox.com/u/1522424/scan-build-2012-12-23-16.tar.bz2

-- 
Cheers,
Dhiru

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