From: Theodore Ts'o <tytso@mit.edu>
To: Artemiy Volkov <artemiyv@acm.org>
Cc: linux-ext4@vger.kernel.org
Subject: Re: [PATCH v3] e2fsck: do not read EA header beyond the end of an inode
Date: Mon, 30 Nov 2015 12:06:52 -0500 [thread overview]
Message-ID: <20151130170652.GC4316@thunk.org> (raw)
In-Reply-To: <1448571594-32225-1-git-send-email-artemiyv@acm.org>
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@acm.org>
Applied, thanks.
- Ted
prev parent reply other threads:[~2015-11-30 17:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-26 19:24 [PATCH] e2fsck: do not read EA header beyond the end of an inode Artemiy Volkov
2015-11-26 20:23 ` [PATCH v2] " Artemiy Volkov
2015-11-26 20:59 ` [PATCH v3] " Artemiy Volkov
2015-11-28 21:54 ` Darrick J. Wong
2015-11-30 17:06 ` Theodore Ts'o [this message]
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