Messages in this thread | | | Date | Mon, 18 Feb 2019 21:51:50 +0000 | From | Arthur Gautier <> | Subject | Re: [PATCH] x86: uaccess: fix regression in unsafe_get_user |
| |
On Mon, Feb 18, 2019 at 11:15:44AM -0800, Andy Lutomirski wrote: > This seems like it's just papering over the underlying problem: with > Jann's new checks in place, strncpy_from_user() is simply buggy. Does > the patch below look decent? It's only compile-tested, but it's > conceptually straightforward. I was hoping I could get rid of the > check-maximum-address stuff, but it's needed for architectures where > the user range is adjacent to the kernel range (i.e. not x86_64).
I'm unable to trigger the BUG I had with my initramfs with this patch applied. Thanks!
-- \o/ Arthur G Gandi.net
| |