Messages in this thread | | | Date | Fri, 19 Jun 2015 16:36:15 +0300 | From | Andrey Ryabinin <> | Subject | Re: [PATCH v6 1/1] x86_64: fix KASan shadow region page tables |
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On 06/19/2015 03:06 PM, Borislav Petkov wrote: > On Fri, Jun 19, 2015 at 02:49:19PM +0300, Andrey Ryabinin wrote: >> I guess that AMD cpus is more strict (unlike Intel) about violation >> of reserved/unused bits in page table entries. Please, try with this >> patch. > > With that the guest boots. >
Great! Thanks.
> How do I check whether KASan actually works? I don't see any note in > dmesg or some file named "*kasan*" in sysfs... >
kasan will print report in dmesg whant it will find anything.
To make sure that it works you could try to load testing module (CONFIG_TEST_KASAN). This module has bugs that kasan should catch. Also 'slub_debug=U' in bootcmdline will improve reports and out-of-bounds accesses detection.
> Thanks. >
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