Messages in this thread | | | From | Dmitry Vyukov <> | Date | Sat, 13 Nov 2021 07:49:39 +0100 | Subject | Re: KASAN + CPU soft-hotplug = stack-out-of-bounds at cpuinfo_store_cpu |
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On Sat, 13 Nov 2021 at 07:07, Qian Cai <quic_qiancai@quicinc.com> wrote: > > On Fri, Nov 12, 2021 at 11:50:19PM -0500, Qian Cai wrote: > > FYI, running CPU soft-hotplug with KASAN on arm64 defconfig will > > always trigger a stack-out-of-bounds below. > > Actually, KASAN is not enough to trigger. It needs some addition > debugging options to reproduce. I'll narrow it down later. Anyway, > this one will reproduce. > > http://lsbug.org/tmp/config-bad-14rc1.txt
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?
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