[kernel-hardening] Re: [PATCH v9 1/4] syscalls: Verify address limit before returning to user-mode
From: hch@infradead.org (Christoph Hellwig)
Date: 2017-05-10 06:47:10
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linux-api, linux-s390, lkml
On Tue, May 09, 2017 at 09:50:32AM -0700, Kees Cook wrote:
http://git.infradead.org/users/hch/vfs.git/commitdiff/018e0e9030777121fe87e89d43066691e7366587 This accidentally(?) removes the kernel-doc comments.
That was sort of intentional, the kerneldoc boilerplate adds very little value for method instances.
http://git.infradead.org/users/hch/vfs.git/commitdiff/78b62c730254fc39fa888cdbdca08fde6e09a798 Could this be made defensive? (Return 0 if ret wraps, for example?) I see what the comment says, but not everyone will read that. :(
It's a straight copy of iov_length, and I'd rather keep it that way.