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Thu, 27 Feb 2020 18:09:09 +0000 Received: from sol.localdomain (c-107-3-166-239.hsd1.ca.comcast.net [107.3.166.239]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7192D246A1; Thu, 27 Feb 2020 18:08:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582826936; bh=dXQov0c5SHa7a5/MJ5r0DV2WwQZReuL9COs8hBJiF2E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Le5O4PDK7+T+HwHtVcYqlEDyynSKBdFqenhx4s0oUbB1Gb68k4LkbRWR0xWxVXTl/ leLjrUsmQ+7sXRLAfdgg+Pt5eZk6bW4FvLETz5N3LZxU02eetAozKkskr0mzUh3os3 46UlmaMqy5w23gG9h2qPooM3oKu8FmKROOdCzugw= Date: Thu, 27 Feb 2020 10:08:54 -0800 From: Eric Biggers To: Jaegeuk Kim Message-ID: <20200227180854.GA877@sol.localdomain> References: <20200221045037.154450-1-ebiggers@kernel.org> <40698654-6332-f2b6-bb32-5ae8825fa66e@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <40698654-6332-f2b6-bb32-5ae8825fa66e@huawei.com> X-Headers-End: 1j7Nat-007rh0-7c Subject: Re: [f2fs-dev] [PATCH] f2fs: fix leaking uninitialized memory in compressed clusters X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On Tue, Feb 25, 2020 at 04:53:02PM +0800, Chao Yu wrote: > On 2020/2/21 12:50, Eric Biggers wrote: > > From: Eric Biggers > > > > When the compressed data of a cluster doesn't end on a page boundary, > > the remainder of the last page must be zeroed in order to avoid leaking > > uninitialized memory to disk. > > > > Fixes: 4c8ff7095bef ("f2fs: support data compression") > > Signed-off-by: Eric Biggers > > Reviewed-by: Chao Yu > Jaegeuk, can you send this fix to Linus for 5.6? - Eric _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel