[kernel-hardening] Re: [PATCH v9 1/4] syscalls: Verify address limit before returning to user-mode
From: hch@infradead.org (Christoph Hellwig)
Date: 2017-05-12 07:36:53
Also in:
linux-api, linux-s390, lkml
On Fri, May 12, 2017 at 08:15:49AM +0100, Al Viro wrote:
And converting everything to ->read_iter()/->write_iter() means an insane amount of code churn, not to mention coping with random bogosities in semantics. ->read() and ->write() are going to stay around, pretty much indefinitely.
But I don't think kernel users of them have to. I've been digging through the calllers and will send an analysis to the list in a bit.