Re: [RFC][PATCH 0/3] Sanitization of buddy pages

2016-01-26 Thread Laura Abbott
On 01/25/2016 10:05 PM, Sasha Levin wrote: On 01/25/2016 11:55 AM, Laura Abbott wrote: Hi, This is an implementation of page poisoning/sanitization for all arches. It takes advantage of the existing implementation for !ARCH_SUPPORTS_DEBUG_PAGEALLOC arches. This is a different approach than

Re: [kernel-hardening] [RFC][PATCH 0/3] Sanitization of buddy pages

2016-01-26 Thread Mathias Krause
On 25 January 2016 at 17:55, Laura Abbott wrote: > Hi, > > This is an implementation of page poisoning/sanitization for all arches. It > takes advantage of the existing implementation for > !ARCH_SUPPORTS_DEBUG_PAGEALLOC arches. This is a different approach than what > the Grsecurity patches were

Re: [kernel-hardening] [RFC][PATCH 0/3] Sanitization of buddy pages

2016-01-26 Thread Mathias Krause
On 25 January 2016 at 17:55, Laura Abbott wrote: > Hi, > > This is an implementation of page poisoning/sanitization for all arches. It > takes advantage of the existing implementation for > !ARCH_SUPPORTS_DEBUG_PAGEALLOC arches. This is a different approach than what >

Re: [RFC][PATCH 0/3] Sanitization of buddy pages

2016-01-26 Thread Laura Abbott
On 01/25/2016 10:05 PM, Sasha Levin wrote: On 01/25/2016 11:55 AM, Laura Abbott wrote: Hi, This is an implementation of page poisoning/sanitization for all arches. It takes advantage of the existing implementation for !ARCH_SUPPORTS_DEBUG_PAGEALLOC arches. This is a different approach than

Re: [RFC][PATCH 0/3] Sanitization of buddy pages

2016-01-25 Thread Sasha Levin
On 01/25/2016 11:55 AM, Laura Abbott wrote: > Hi, > > This is an implementation of page poisoning/sanitization for all arches. It > takes advantage of the existing implementation for > !ARCH_SUPPORTS_DEBUG_PAGEALLOC arches. This is a different approach than what > the Grsecurity patches were

[RFC][PATCH 0/3] Sanitization of buddy pages

2016-01-25 Thread Laura Abbott
Hi, This is an implementation of page poisoning/sanitization for all arches. It takes advantage of the existing implementation for !ARCH_SUPPORTS_DEBUG_PAGEALLOC arches. This is a different approach than what the Grsecurity patches were taking but should provide equivalent functionality. For

Re: [RFC][PATCH 0/3] Sanitization of buddy pages

2016-01-25 Thread Sasha Levin
On 01/25/2016 11:55 AM, Laura Abbott wrote: > Hi, > > This is an implementation of page poisoning/sanitization for all arches. It > takes advantage of the existing implementation for > !ARCH_SUPPORTS_DEBUG_PAGEALLOC arches. This is a different approach than what > the Grsecurity patches were

[RFC][PATCH 0/3] Sanitization of buddy pages

2016-01-25 Thread Laura Abbott
Hi, This is an implementation of page poisoning/sanitization for all arches. It takes advantage of the existing implementation for !ARCH_SUPPORTS_DEBUG_PAGEALLOC arches. This is a different approach than what the Grsecurity patches were taking but should provide equivalent functionality. For