Re: [PATCH v2] vmap(): don't allow invalid pages
From: Andrew Morton <akpm@linux-foundation.org>
Date: 2022-01-26 02:26:10
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On Tue, 18 Jan 2022 17:21:09 -0800 Yury Norov [off-list ref] wrote:
vmap() takes struct page *pages as one of arguments, and user may provide an invalid pointer which would lead to data abort at address translation later.
Does "user" mean userspace code? If so, please tell us much more about the means by which userspace can trigger this problem. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel