2015-08-26 11:26 GMT+03:00 Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>: > Hi, > > This patchset implements kernel address sanitizer for ppc64. > Since ppc64 virtual address range is divided into different regions, > we can't have one contigous area for the kasan shadow range. Hence > we don't support the INLINE kasan instrumentation. With Outline > instrumentation, we override the shadow_to_mem and mem_to_shadow > callbacks, so that we map only the kernel linear range (ie, > region with ID 0xc). For region with ID 0xd and 0xf (vmalloc > and vmemmap ) we return the address of the zero page. This > works because kasan doesn't track both vmemmap and vmalloc address. > > Known issues: > * Kasan is not yet enabled for arch/powerpc/kvm > * kexec hang > * outline stack and global support >
Is there any problem with globals or you just didn't try it yet? I think it should just work. You need only to add --param asan-globals=0 to KBUILD_CFLAGS_MODULE to disable it for modules. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
