Re: [PATCH 00/11] KASan for arm

From: Liuwenliang (Lamb)
Date: Tue Oct 17 2017 - 08:50:09 EST


On 10/17/2017 7:40 PM, Abbott Liu wrote:
>On Wed, Oct 11, 2017 at 03:10:56PM -0700, Laura Abbott wrote:
>The decompressor does not link with the standard C library, so it
>needs to provide implementations of standard C library functionality
>where required. That means, if we have any memset() users, we need
>to provide the memset() function.
>
>The undef is there to avoid the optimisation we have in asm/string.h
>for __memzero, because we don't want to use __memzero in the
>decompressor.
>
>Whether memset() is required depends on which compression method is
>being used - LZO and LZ4 appear to make direct references to it, but
>the inflate (gzip) decompressor code does not.
>
>What this means is that all supported kernel compression options need
>to be tested.

Thanks for your review. I am sorry that I am so late to reply your email.
I will test all arm kernel compression options.