Date: Thu, 11 May 2017 10:37:37 +0900 From: Sergey Senozhatsky <sergey.senozhatsky.work@...il.com> To: Greg KH <gregkh@...uxfoundation.org> Cc: kernel-hardening@...ts.openwall.com, Petr Mladek <pmladek@...e.com>, Sergey Senozhatsky <sergey.senozhatsky@...il.com>, linux-kernel@...r.kernel.org, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com>, Steven Rostedt <rostedt@...dmis.org>, William Roberts <william.c.roberts@...el.com>, Chris Fries <cfries@...gle.com>, Dave Weinstein <olorin@...gle.com> Subject: Re: [RFC 00/06] printk: add more new kernel pointer filter options. 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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