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References: <20240116225531.681181743@goodmis.org> <20240116234014.459886712@goodmis.org>
 <20240122215930.GA6184@frogsfrogsfrogs>
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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 22 Jan 2024 14:02:28 -0800
Message-ID: <CAHk-=wiODW+oNdoF4nMqG3Th7HhPGQNQekDvw16CvgKvaZArRg@mail.gmail.com>
Subject: Re: [PATCH v3 1/2] eventfs: Have the inodes all for files and
 directories all be the same
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>, linux-kernel@vger.kernel.org, 
	linux-trace-kernel@vger.kernel.org, Masami Hiramatsu <mhiramat@kernel.org>, 
	Mark Rutland <mark.rutland@arm.com>, Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, 
	Christian Brauner <brauner@kernel.org>, Al Viro <viro@zeniv.linux.org.uk>, 
	Ajay Kaher <ajay.kaher@broadcom.com>, linux-fsdevel@vger.kernel.org
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On Mon, 22 Jan 2024 at 13:59, Darrick J. Wong <djwong@kernel.org> wrote:
>
>          though I don't think
> leaking raw kernel pointers is an awesome idea.

Yeah, I wasn't all that comfortable even with trying to hash it
(because I think the number of source bits is small enough that even
with a crypto hash, it's trivially brute-forceable).

See

   https://lore.kernel.org/all/20240122152748.46897388@gandalf.local.home/

for the current patch under discussion (and it contains a link _to_
said discussion).

           Linus