Messages in this thread | | | Date | Thu, 11 May 2017 10:37:37 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [RFC 00/06] printk: add more new kernel pointer filter options. |
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Hello Greg,
On (05/05/17 21:06), Greg KH wrote: > Here's a short patch series from Chris Fries and Dave Weinstein that > implement some new restrictions when printing out kernel pointers, as > well as the ability to whitelist kernel pointers where needed. > > These patches are based on work from William Roberts, and also is > inspired by grsecurity's %pP to specifically whitelist a kernel pointer, > where it is always needed, like the last patch in the series shows, in > the UIO drivers (UIO requires that you know the address, it's a hardware > address, nothing wrong with seeing that...) > > I haven't done much to this patch series, only forward porting it from > an older kernel release (4.4) and a few minor tweaks. It applies > cleanly on top of 4.11 as well as Linus's current development tree > (10502 patches into the 4.12-rc1 merge window). I'm posting it now for > comments if anyone sees anything wrong with this approach
overall, I don't see anything wrong.
> or thinks the things that are being whitelisted should not be?
can't say for sure, sorry.
-ss
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