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From: Sabyrzhan Tasbolatov <snovitoll@gmail.com>
To: casey@schaufler-ca.com
Cc: andreyknvl@google.com, jmorris@namei.org,
	linux-kernel@vger.kernel.org,
	linux-security-module@vger.kernel.org, mhocko@suse.com,
	penguin-kernel@i-love.sakura.ne.jp, serge@hallyn.com,
	snovitoll@gmail.com,
	syzbot+a71a442385a0b2815497@syzkaller.appspotmail.com
Subject: Re: [PATCH v2] smackfs: restrict bytes count in smackfs write functions
Date: Wed,  3 Feb 2021 01:13:18 +0600	[thread overview]
Message-ID: <20210202191318.1402500-1-snovitoll@gmail.com> (raw)
In-Reply-To: <d0f9a341-281b-704c-04e4-4304ed17ba23@schaufler-ca.com>

> if PAGE_SIZE >= SMK_LOADSIZE all legitimate requests can be made
> using PAGE_SIZE as a limit. Your example with 19990 spaces before
> the data demonstrates that the interface is inadequately documented.
> Tizen and Automotive Grade Linux are going to be fine with a PAGE_SIZE
> limit. The best way to address this concern is to go ahead with the
> PAGE_SIZE limit and create ABI documents for the smackfs interfaces.
> I will take your patch for the former and create a patch for the latter.

Please let me know if there is anything else required for this patch.
AFAIU, we agreed with PAGE_SIZE as the limit.

  reply	other threads:[~2021-02-02 19:16 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-24 14:36 [PATCH] smackfs: restrict bytes count in smackfs write functions Sabyrzhan Tasbolatov
2021-01-25 18:08 ` Casey Schaufler
2021-01-25 22:42   ` Tetsuo Handa
2021-01-28 11:58     ` [PATCH v2] " Sabyrzhan Tasbolatov
2021-01-28 12:59       ` Tetsuo Handa
2021-01-28 13:27         ` Sabyrzhan Tasbolatov
2021-01-28 14:24           ` Tetsuo Handa
2021-01-29  2:10             ` Casey Schaufler
2021-02-02 19:13               ` Sabyrzhan Tasbolatov [this message]
2021-02-02 19:33                 ` Casey Schaufler

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