KASAN + CPU soft-hotplug = stack-out-of-bounds at cpuinfo_store_cpu

[Qian Cai]

On Sat, Nov 13, 2021 at 07:49:39AM +0100, Dmitry Vyukov wrote:
> This may be just a bad format string.
> But I don't see kernel/printk/printk.c:2264 doing any printk on
> next-20211110. What's up with line numbers?

Yeah, it is usual that the line number could be off by a few lines
with that .config. It is still in my TODO to dig into the bottom of it
though.