Re: arm64 kvm built with clang doesn't boot

[Andrey Konovalov]

On Fri, Mar 16, 2018 at 3:31 PM, Mark Rutland <mark.rutland@xxxxxxx> wrote:
>
> FWIW, with that same compiler and patch applied atop of v4.16-rc4, and
> some bodges around clang not liking the rX register naming in the SMCCC
> code, I get a kernel that boots on my Juno, though I immediately hit a
> KASAN splat:
>
> [    8.476766] ==================================================================
> [    8.483990] BUG: KASAN: slab-out-of-bounds in __d_lookup_rcu+0x350/0x400
> [    8.490664] Read of size 8 at addr ffff8009336e2a30 by task init/1

I see this as well, I'm looking into it. It seems that
__no_sanitize_address is not defined for clang (defining it doesn't
help though, so the issue might be deeper).