linux-ext4 - Re: [PATCH v3] e2fsck: do not read EA header beyond the end of an inode

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Message-ID: <20151130170652.GC4316@thunk.org>
Date:	Mon, 30 Nov 2015 12:06:52 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	Artemiy Volkov <artemiyv@....org>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH v3] e2fsck: do not read EA header beyond the end of an
 inode

On Thu, Nov 26, 2015 at 08:59:54PM +0000, Artemiy Volkov wrote:
> In check_inode_extra_space(), if we attempt to read an EA header at
> the end of the extra space, in a corrupted filesystem it may result in
> a read beyond the bounds of the inode. Add a check to prevent this.
> 
> Reproduced by running ./test_one --valgrind f_write_ea_toobig_extra_isize.
> 
> Signed-off-by: Artemiy Volkov <artemiyv@....org>

Applied, thanks.

					- Ted
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