linux-kernel - Re: [PATCH] mseal.rst additional fix

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Message-ID: <CABi2SkXecdseZBeEJOeP8boP7aEAf815-1H6eMHDy=a4d1oXMg@mail.gmail.com>
Date: Thu, 10 Oct 2024 17:23:06 -0700
From: Jeff Xu <jeffxu@...omium.org>
To: Randy Dunlap <rdunlap@...radead.org>
Cc: akpm@...ux-foundation.org, keescook@...omium.org, corbet@....net, 
	jorgelo@...omium.org, groeck@...omium.org, linux-kernel@...r.kernel.org, 
	linux-kselftest@...r.kernel.org, linux-mm@...ck.org, jannh@...gle.com, 
	sroettger@...gle.com, pedro.falcato@...il.com, 
	linux-hardening@...r.kernel.org, willy@...radead.org, 
	gregkh@...uxfoundation.org, torvalds@...ux-foundation.org, 
	deraadt@...nbsd.org, usama.anjum@...labora.com, surenb@...gle.com, 
	merimus@...gle.com, lorenzo.stoakes@...cle.com, Liam.Howlett@...cle.com, 
	enh@...gle.com
Subject: Re: [PATCH] mseal.rst additional fix

On Tue, Oct 8, 2024 at 9:37 AM Randy Dunlap <rdunlap@...radead.org> wrote:
>
>
>
> On 10/7/24 9:18 PM, jeffxu@...omium.org wrote:
> > From: Jeff Xu <jeffxu@...omium.org>
> >
> > Change "overwrite" to overwrites"
> >
> > Signed-off-by: Jeff Xu <jeffxu@...omium.org>
> > ---
> >  Documentation/userspace-api/mseal.rst | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/Documentation/userspace-api/mseal.rst b/Documentation/userspace-api/mseal.rst
> > index 41102f74c5e2..54bbcce330ec 100644
> > --- a/Documentation/userspace-api/mseal.rst
> > +++ b/Documentation/userspace-api/mseal.rst
> > @@ -97,7 +97,7 @@ Blocked mm syscall for sealed mapping
> >     The first set of syscalls to block is munmap, mremap, mmap. They can
> >     either leave an empty space in the address space, therefore allowing
> >     replacement with a new mapping with new set of attributes, or can
> > -   overwrite the existing mapping with another mapping.
> > +   overwrites the existing mapping with another mapping.
>
> No, that one is correct as is.
>
Ah, yes. Please ignore this additional patch.

> >
> >     mprotect and pkey_mprotect are blocked because they changes the
> >     protection bits (RWX) of the mapping.
>
> --
> ~Randy