linux-ext4 - Re: [PATCH v2] e2fsck: Fix access after free for dx

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Message-ID: <20171205031132.fzzhak5d3zgexwp3@thunk.org>
Date:   Mon, 4 Dec 2017 22:11:32 -0500
From:   Theodore Ts'o <tytso@....edu>
To:     Andreas Dilger <adilger@...ger.ca>
Cc:     Artem Blagodarenko <artem.blagodarenko@...il.com>,
        linux-ext4 <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH v2] e2fsck: Fix access after free for dx_db structure

On Sun, Nov 05, 2017 at 10:49:55PM -0700, Andreas Dilger wrote:
> On Nov 4, 2017, at 11:22 AM, Artem Blagodarenko <artem.blagodarenko@...il.com> wrote:
> > 
> > dx_db structure is freed after fixing of PR_2_HTREE_BAD_ROOT
> > problem. Next code block use this structure to unerstand if leaf
> > is beeng processed.
> > 
> > If dx_db is freed, then root block is being processed and if_leaf
> > need to be set to 0.
> > 
> > Signed-off-by: Artem Blagodarenko <artem.blagodarenko@...il.com>
> 
> Reviewed-by: Andreas Dilger <adilger@...ger.ca>

Thanks, applied.

						- Ted