Arm + KASAN + syzbot

[Dmitry Vyukov]

On Wed, Jan 27, 2021 at 10:57 AM Linus Walleij <linus.walleij at linaro.org> wrote:
>
> On Wed, Jan 27, 2021 at 10:39 AM Dmitry Vyukov <dvyukov at google.com> wrote:
>
> > It's qemu-system-arm running on x86_64.
> > But I don't think that bug is related, it seems to affect arm32 in general.
>
> Yep. I am trying to reproduce with your defconfig.
> It seems you are not using vexpress_defconfig:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/configs/vexpress_defconfig
> ?
>
> Instead this looks like a modified multi_v7 config, right?
> Then a bunch of debugging options have been turned on as it
> seems.
>
> multi_v7 "should work" too but I haven't used that.

The config is based on vexpress_defconfig:
https://github.com/google/syzkaller/blob/master/dashboard/config/linux/bits/arm.yml#L5

With a bunch of debug configs on top (among other things):
https://github.com/google/syzkaller/blob/master/dashboard/config/linux/bits/debug.yml