From: Andrew Morton <akpm@linux-foundation.org>
To: Gregory Price <gourry.memverge@gmail.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, arnd@arndb.de,
Gregory Price <gregory.price@memverge.com>
Subject: Re: [PATCH] mm/migrate: fix do_pages_move for compat pointers
Date: Tue, 3 Oct 2023 09:49:12 -0700 [thread overview]
Message-ID: <20231003094912.08cf57998135446ef475dd19@linux-foundation.org> (raw)
In-Reply-To: <20231003144857.752952-1-gregory.price@memverge.com>
On Tue, 3 Oct 2023 10:48:56 -0400 Gregory Price <gourry.memverge@gmail.com> wrote:
> do_pages_move does not handle compat pointers for the page list.
> correctly. Add in_compat_syscall check and appropriate get_user
> fetch when iterating the page list.
What are the userspace visible effects of this change?
next prev parent reply other threads:[~2023-10-03 16:49 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-03 14:48 [PATCH] mm/migrate: fix do_pages_move for compat pointers Gregory Price
2023-10-03 14:48 ` [PATCH 2/2] mm/migrate: remove unused mm argument from do_move_pages_to_node Gregory Price
2023-10-03 16:49 ` Andrew Morton [this message]
2023-10-03 16:57 ` [PATCH] mm/migrate: fix do_pages_move for compat pointers Arnd Bergmann
2023-10-03 17:01 ` Arnd Bergmann
2023-10-03 17:17 ` Andrew Morton
2023-10-03 17:36 ` Arnd Bergmann
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