linux-kernel - Re: [RFC] kasan: is it a wrong report from kasan?

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Message-ID: <CAPAsAGyWSZRGs-PJsBa-fb8yhcXmdCZ0+ZVwh6bWuvc-v+2HvQ@mail.gmail.com>
Date:   Wed, 30 Nov 2016 17:31:06 +0300
From:   Andrey Ryabinin <ryabinin.a.a@...il.com>
To:     Xishi Qiu <qiuxishi@...wei.com>
Cc:     yang.shi@...aro.org, Steven Rostedt <rostedt@...dmis.org>,
        Linux MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Yisheng Xie <xieyisheng1@...wei.com>,
        wangwei <bessel.wang@...wei.com>
Subject: Re: [RFC] kasan: is it a wrong report from kasan?

2016-11-30 11:05 GMT+03:00 Xishi Qiu <qiuxishi@...wei.com>:
> The kernel version is v4.1, and I find some error reports from kasan.
> I'm not sure whether it is a wrong report.
>

This looks like false positive that was fixed in 0d97e6d8024("arm64:
kasan: clear stale stack poison").
Also you might need e1b77c92981a("sched/kasan: remove stale KASAN
poison after hotplug") too.