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Date: Wed, 17 Sep 2014 12:01:41 -0500
From: Eric Sandeen <sandeen@redhat.com>
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To: linux-btrfs <linux-btrfs@vger.kernel.org>,
        Shilong Wang <wangshilong1991@gmail.com>,
        Chris Murphy <lists@colorremedies.com>
Subject: Re: "btrfs rescue super-recover" memory corruption
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On 9/17/14 12:00 PM, Eric Sandeen wrote:
> This:
> 
> # truncate --size=8g

oops, s/b:

# truncate --size=8g file

> # dd if=/dev/zero of=file conv=notrunc  bs=4 seek=16384 count=1
> # valgrind ./btrfs rescue super-recover file -v