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From: Eric Biggers <ebiggers@kernel.org>
To: Boris Burkov <boris@bur.io>
Cc: fstests@vger.kernel.org, linux-fscrypt@vger.kernel.org,
	linux-btrfs@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH v2 2/3] generic/574: corrupt btrfs merkle tree data
Date: Thu, 8 Apr 2021 11:41:42 -0700	[thread overview]
Message-ID: <YG9OZseq1nGv/wMk@sol.localdomain> (raw)
In-Reply-To: <ca320cd0c8427458828cc36d5d5168bbe6b6bab2.1617906318.git.boris@bur.io>

On Thu, Apr 08, 2021 at 11:30:12AM -0700, Boris Burkov wrote:
> 
> Note that there is a bit of a kludge here: since btrfs_corrupt_block
> doesn't handle streaming corruption bytes from stdin (I could change
> that, but it feels like overkill for this purpose), I just read the
> first corruption byte and duplicate it for the desired length. That is
> how the test is using the interface in practice, anyway.

If that's the problem, couldn't you just write the data to a temporary file?

- Eric

  reply	other threads:[~2021-04-08 18:41 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-08 18:30 [PATCH v2 0/3] tests for btrfs fsverity Boris Burkov
2021-04-08 18:30 ` [PATCH v2 1/3] btrfs: test btrfs specific fsverity corruption Boris Burkov
2021-04-08 18:30 ` [PATCH v2 2/3] generic/574: corrupt btrfs merkle tree data Boris Burkov
2021-04-08 18:41   ` Eric Biggers [this message]
2021-04-08 18:49     ` Boris Burkov
2021-04-08 23:16       ` Eric Biggers
2021-04-09  1:11         ` Boris Burkov
2021-04-08 18:30 ` [PATCH v2 3/3] btrfs: test verity orphans with dmlogwrites Boris Burkov
2021-04-08 18:36 ` [PATCH v2 0/3] tests for btrfs fsverity Eric Biggers
2021-04-08 18:42   ` Boris Burkov

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