Thread (19 messages) 19 messages, 5 authors, 2025-09-15

Re: [PATCH v20 4/8] fork: Add shadow stack support to clone3()

From: Kees Cook <kees@kernel.org>
Date: 2025-09-05 16:00:51
Also in: linux-kselftest, lkml

On Fri, Sep 05, 2025 at 04:43:22PM +0100, Mark Brown wrote:
On Fri, Sep 05, 2025 at 05:21:59PM +0200, Christian Brauner wrote:
quoted
On Tue, Sep 02, 2025 at 11:21:48AM +0100, Mark Brown wrote:
quoted
quoted
+		.shadow_stack_token	= args.shadow_stack_token,
quoted
I'm not sure why this has to be named "shadow_stack_token" I think
that's just confusing and we should just call it "shadow_stack" and be
done with it. It's also a bit long of a field name imho.
I'm not hugely attached to the name, if you want to rename that's
perfectly fine by me.  My thinking was that there's a potential
confusion with it being a pointer to the base of the shadow stack by
comparison with the existing "stack" but I do agree that the resulting
name is quite long and if someone does actually get confused they should
discover the problem fairly rapidly in testing.  ss_token would shorter
but the abbreviation is less clear, whatever name you prefer is fine by
me.
Bike shed: shstk_token?


-- 
Kees Cook
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