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Date:   Mon, 13 Jan 2020 14:25:08 -0500
From:   "Theodore Y. Ts'o" <>
To:     Eric Biggers <>
Subject: Re: [PATCH] ext4: handle decryption error in

On Thu, Dec 26, 2019 at 09:41:05AM -0600, Eric Biggers wrote:
> From: Eric Biggers <>
> fscrypt_decrypt_pagecache_blocks() can fail, because it uses
> skcipher_request_alloc(), which uses kmalloc(), which can fail; and also
> because it calls crypto_skcipher_decrypt(), which can fail depending on
> the driver that actually implements the crypto.
> Therefore it's not appropriate to WARN on decryption error in
> __ext4_block_zero_page_range().
> Remove the WARN and just handle the error instead.
> Signed-off-by: Eric Biggers <>

Thanks, applied.

					- Ted

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