From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Linux ARM <linux-arm-kernel@lists.infradead.org>,
Arnd Bergmann <arnd@arndb.de>,
Hailong Liu <liu.hailong6@zte.com.cn>,
kasan-dev <kasan-dev@googlegroups.com>,
syzkaller <syzkaller@googlegroups.com>,
Krzysztof Kozlowski <krzk@kernel.org>,
Dmitry Vyukov <dvyukov@google.com>
Subject: Re: Arm + KASAN + syzbot
Date: Wed, 27 Jan 2021 10:19:11 +0000 [thread overview]
Message-ID: <20210127101911.GL1551@shell.armlinux.org.uk> (raw)
In-Reply-To: <CACRpkdZyfphxWqqLCHtaUqwB0eY18ZvRyUq6XYEMew=HQdzHkw@mail.gmail.com>
On Wed, Jan 27, 2021 at 09:24:06AM +0100, Linus Walleij wrote:
> On Tue, Jan 26, 2021 at 10:24 PM Dmitry Vyukov <dvyukov@google.com> wrote:
>
> > I've set up an arm32 instance (w/o KASAN for now), but kernel fails during boot:
> > https://groups.google.com/g/syzkaller-bugs/c/omh0Em-CPq0
> > So far arm32 testing does not progress beyond attempts to boot.
>
> It is booting all right it seems.
>
> Today it looks like Hillf Danton found the problem: if I understand correctly
> the code is executing arm32-on-arm64 (virtualized QEMU for ARM32
> on ARM64?) and that was not working with the vexpress QEMU model
> because not properly tested.
>
> I don't know if I understand the problem right though :/
There is an issue with ARMv7 and the decompressor currently - see the
patch from Ard - it's 9052/1 in the patch system.
That's already known to stuff up my 32-bit ARM VMs under KVM - maybe
other QEMU models are also affected by it.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-01-27 10:21 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-18 16:31 Arm + KASAN + syzbot Dmitry Vyukov
2021-01-19 8:36 ` Krzysztof Kozlowski
2021-01-19 8:46 ` Linus Walleij
2021-01-19 10:04 ` Dmitry Vyukov
2021-01-19 10:17 ` Linus Walleij
2021-01-19 10:23 ` Dmitry Vyukov
2021-01-19 10:28 ` Linus Walleij
2021-01-19 10:53 ` Dmitry Vyukov
2021-01-19 11:05 ` Dmitry Vyukov
2021-01-19 11:13 ` Russell King - ARM Linux admin
2021-01-19 11:17 ` Dmitry Vyukov
2021-01-19 11:43 ` Russell King - ARM Linux admin
2021-01-19 12:05 ` Dmitry Vyukov
2021-01-19 12:36 ` Russell King - ARM Linux admin
2021-01-19 18:57 ` Dmitry Vyukov
2021-01-19 19:48 ` Russell King - ARM Linux admin
2021-01-21 13:14 ` Russell King - ARM Linux admin
2021-01-21 13:49 ` Dmitry Vyukov
2021-01-21 14:04 ` Arnd Bergmann
2021-01-21 13:59 ` Dmitry Vyukov
2021-01-21 14:52 ` Linus Walleij
2021-01-26 21:24 ` Dmitry Vyukov
2021-01-27 8:24 ` Linus Walleij
2021-01-27 9:39 ` Dmitry Vyukov
2021-01-27 9:57 ` Linus Walleij
2021-01-27 10:12 ` Dmitry Vyukov
2021-01-27 10:19 ` Russell King - ARM Linux admin [this message]
2021-03-11 10:54 ` Dmitry Vyukov
2021-03-11 13:42 ` Russell King - ARM Linux admin
2021-03-11 18:05 ` Dmitry Vyukov
2021-03-11 13:55 ` Linus Walleij
2021-03-11 14:09 ` Russell King - ARM Linux admin
2021-03-11 14:37 ` Linus Walleij
2021-03-11 14:55 ` Arnd Bergmann
2021-03-11 18:08 ` Dmitry Vyukov
2021-03-15 14:01 ` Linus Walleij
2021-03-15 19:03 ` Russell King - ARM Linux admin
2021-01-19 13:22 ` Linus Walleij
2021-01-19 8:41 ` Linus Walleij
2021-01-19 8:43 ` Linus Walleij
2021-01-19 10:18 ` Dmitry Vyukov
2021-01-19 10:27 ` Linus Walleij
2021-01-19 10:36 ` Dmitry Vyukov
2021-01-19 10:03 ` Mark Rutland
2021-01-19 10:34 ` Dmitry Vyukov
2021-01-19 10:55 ` Russell King - ARM Linux admin
2021-01-19 13:00 ` Mark Rutland
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210127101911.GL1551@shell.armlinux.org.uk \
--to=linux@armlinux.org.uk \
--cc=arnd@arndb.de \
--cc=dvyukov@google.com \
--cc=kasan-dev@googlegroups.com \
--cc=krzk@kernel.org \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=liu.hailong6@zte.com.cn \
--cc=syzkaller@googlegroups.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).