Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 23 Sep 2021 22:06:49 +0200
From:      Mateusz Guzik <mjguzik@gmail.com>
To:        Mark Johnston <markj@freebsd.org>
Cc:        Konstantin Belousov <kib@freebsd.org>, src-committers@freebsd.org,  dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org
Subject:   Re: git: df8dd6025af8 - main - amd64: stop using top of the thread' kernel stack for FPU user save area
Message-ID:  <CAGudoHFfcY%2BP--0wyqpLJar98L6mA5Bt2LsrizBXfrmnUDRnHw@mail.gmail.com>
In-Reply-To: <YUzb5k27XAXBumnE@nuc>
References:  <202109211721.18LHLFWM028927@gitrepo.freebsd.org> <CAGudoHGE9YHLTMtm9XuV7yqZVXbjb%2BDJNOUAkMHmeaDjYmQG6g@mail.gmail.com> <YUzb5k27XAXBumnE@nuc>

next in thread | previous in thread | raw e-mail | index | archive | help
On 9/23/21, Mark Johnston <markj@freebsd.org> wrote:
> On Thu, Sep 23, 2021 at 09:49:47PM +0200, Mateusz Guzik wrote:
>> On 9/21/21, Konstantin Belousov <kib@freebsd.org> wrote:
>> > The branch main has been updated by kib:
>> >
>> > URL:
>> > https://cgit.FreeBSD.org/src/commit/?id=df8dd6025af88a99d34f549fa9591a9b8f9b75b1
>> >
>> > commit df8dd6025af88a99d34f549fa9591a9b8f9b75b1
>> > Author:     Konstantin Belousov <kib@FreeBSD.org>
>> > AuthorDate: 2021-09-13 21:05:47 +0000
>> > Commit:     Konstantin Belousov <kib@FreeBSD.org>
>> > CommitDate: 2021-09-21 17:20:15 +0000
>> >
>> >     amd64: stop using top of the thread' kernel stack for FPU user save
>> > area
>> >
>>
>> This causes KASAN to crash on boot:
>>
>> panic: ASan: Invalid access, 192-byte read at 0xffffffff84105f40,
>
> Try grabbing https://reviews.freebsd.org/D32057
>

This indeed takes care of it, thanks.

-- 
Mateusz Guzik <mjguzik gmail.com>



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAGudoHFfcY%2BP--0wyqpLJar98L6mA5Bt2LsrizBXfrmnUDRnHw>