linux-kernel - Re: BUG: KASAN: use-after-free in xfs_iflush

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Message-ID: <20151214195422.GM26718@dastard>
Date:	Tue, 15 Dec 2015 06:54:22 +1100
From:	Dave Chinner <david@...morbit.com>
To:	Andrea Gelmini <andrea.gelmini@...ma.net>
Cc:	linux-kernel@...r.kernel.org, xfs@....sgi.com
Subject: Re: BUG: KASAN: use-after-free in xfs_iflush_cluster+0x9d7/0xaf0

On Mon, Dec 14, 2015 at 07:00:48PM +0100, Andrea Gelmini wrote:
> Hi everybody,
>    using dev kernel v4.4, I have this:
> 
> [40240.371807] ==================================================================
> [40240.371826] BUG: KASAN: use-after-free in xfs_iflush_cluster+0x9d7/0xaf0 at addr ffff88001ed15428
> [40240.371832] Read of size 4 by task xfsaild/dm-0/332
> [40240.371834] =============================================================================
> [40240.371839] BUG xfs_ili (Tainted: G    B          ): kasan: bad access detected
> [40240.371842] -----------------------------------------------------------------------------
.....

What line of code does this address correspond to in your kernel?

	xfs_iflush_cluster+0x9d7

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
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