From: Shannon Zhao <shannon.zhao@linaro.org>
To: Julien Grall <julien.grall@citrix.com>,
Shannon Zhao <zhaoshenglong@huawei.com>,
xen-devel <xen-devel@lists.xen.org>,
Jan Beulich <jbeulich@suse.com>,
Stefano Stabellini <stefano.stabellini@citrix.com>,
Ian Campbell <ian.campbell@citrix.com>,
Parth Dixit <parth.dixit@linaro.org>,
Christoffer Dall <christoffer.dall@linaro.org>
Cc: Hangaohuai <hangaohuai@huawei.com>,
"Huangpeng (Peter)" <peter.huangpeng@huawei.com>
Subject: Re: xen/arm: Crash when allocating memory for ACPI table (Was Re: Design doc of adding ACPI support for arm64 on Xen - version 2)
Date: Fri, 14 Aug 2015 22:55:56 +0800 [thread overview]
Message-ID: <55CE017C.6070405@linaro.org> (raw)
In-Reply-To: <55CE00DD.8020303@citrix.com>
On 2015/8/14 22:53, Julien Grall wrote:
> On 14/08/15 15:49, Shannon Zhao wrote:
>>> Ok, so it's likely a memory corruption. You need to check the bound you
>>> ara using when copying the data to the guest or from the ACPI in
>>> general. Or maybe you just didn't allocate enough space.
>>>
>>
>> But it fails at the xzalloc_bytes itself. not at copy function.
>
> Because the previous copy may have overwritten the metadata of the
> memory allocator...
>
> If those metadata are corrupted, xalloc_bytes we act weirdly such as
> crashing Xen.
>
Ok, will check it. Thanks.
--
Shannon
next prev parent reply other threads:[~2015-08-14 14:55 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-07 2:11 Design doc of adding ACPI support for arm64 on Xen - version 2 Shannon Zhao
2015-08-07 9:45 ` Stefano Stabellini
2015-08-07 10:33 ` Julien Grall
2015-08-07 10:37 ` Christoffer Dall
2015-08-07 10:42 ` Stefano Stabellini
2015-08-07 10:44 ` Julien Grall
2015-08-11 2:09 ` Shannon Zhao
2015-08-11 9:46 ` Julien Grall
2015-08-11 10:27 ` Shannon Zhao
2015-08-11 14:12 ` Ian Campbell
2015-08-11 14:51 ` David Vrabel
2015-08-11 14:59 ` Ian Campbell
2015-08-11 15:02 ` David Vrabel
2015-08-11 15:11 ` Julien Grall
2015-08-11 15:19 ` Ian Campbell
2015-08-11 15:25 ` David Vrabel
2015-08-11 16:01 ` Julien Grall
2015-08-12 2:42 ` Shannon Zhao
2015-08-12 8:46 ` Ian Campbell
2015-08-12 8:46 ` Ian Campbell
2015-08-12 9:02 ` Julien Grall
2015-08-12 15:48 ` Jan Beulich
2015-08-11 14:19 ` Ian Campbell
2015-08-11 14:21 ` Ian Campbell
2015-08-11 15:29 ` Boris Ostrovsky
2015-08-11 15:35 ` Ian Campbell
2015-08-11 15:52 ` Boris Ostrovsky
2015-08-12 2:47 ` Shannon Zhao
2015-08-12 8:47 ` Ian Campbell
2015-08-12 9:00 ` Shannon Zhao
2015-08-17 10:36 ` Roger Pau Monné
2015-08-18 1:44 ` Shannon Zhao
2015-08-11 16:19 ` Julien Grall
2015-08-12 3:04 ` Shannon Zhao
2015-08-12 8:52 ` Ian Campbell
2015-08-12 9:21 ` Julien Grall
2015-08-12 10:36 ` Andrew Turner
2015-08-12 10:48 ` Stefano Stabellini
2015-08-12 11:23 ` Ian Campbell
2015-08-12 12:11 ` Julien Grall
2015-09-02 11:27 ` Ian Campbell
2015-08-12 12:20 ` Julien Grall
2015-09-02 11:30 ` Ian Campbell
2015-09-02 11:39 ` Julien Grall
2015-09-02 12:05 ` Ian Campbell
2015-08-12 10:17 ` Stefano Stabellini
2015-08-12 7:22 ` Shannon Zhao
2015-08-12 9:11 ` Julien Grall
2015-08-14 14:05 ` Shannon Zhao
2015-08-14 14:17 ` xen/arm: Crash when allocating memory for ACPI table (Was Re: Design doc of adding ACPI support for arm64 on Xen - version 2) Julien Grall
2015-08-14 14:35 ` Shannon Zhao
2015-08-14 14:41 ` Julien Grall
2015-08-14 14:49 ` Shannon Zhao
2015-08-14 14:53 ` Julien Grall
2015-08-14 14:55 ` Shannon Zhao [this message]
2015-08-12 15:45 ` Design doc of adding ACPI support for arm64 on Xen - version 2 Jan Beulich
2015-08-12 15:51 ` Christoffer Dall
2015-08-12 15:58 ` Jan Beulich
2015-08-12 16:18 ` Julien Grall
2015-08-13 6:41 ` Jan Beulich
2015-08-13 8:01 ` Christoffer Dall
2015-08-13 8:11 ` Jan Beulich
2015-08-13 8:18 ` Jan Beulich
2015-08-13 9:05 ` Ian Campbell
2015-08-13 9:20 ` Jan Beulich
2015-08-13 10:40 ` Julien Grall
2015-08-13 9:43 ` Stefano Stabellini
2015-08-13 10:03 ` Jan Beulich
2015-08-13 10:13 ` Stefano Stabellini
2015-08-13 10:22 ` Ian Campbell
2015-08-13 10:29 ` Christoffer Dall
2015-08-13 10:32 ` Stefano Stabellini
2015-08-13 10:34 ` Ian Campbell
2015-08-13 10:48 ` Shannon Zhao
2015-08-13 10:54 ` Jan Beulich
2015-08-13 11:00 ` Julien Grall
2015-08-13 11:07 ` Stefano Stabellini
2015-08-13 11:55 ` Jan Beulich
2015-08-13 12:08 ` Julien Grall
2015-08-13 14:49 ` Ian Campbell
2015-08-14 5:34 ` Shannon Zhao
2015-08-14 9:54 ` Stefano Stabellini
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=55CE017C.6070405@linaro.org \
--to=shannon.zhao@linaro.org \
--cc=christoffer.dall@linaro.org \
--cc=hangaohuai@huawei.com \
--cc=ian.campbell@citrix.com \
--cc=jbeulich@suse.com \
--cc=julien.grall@citrix.com \
--cc=parth.dixit@linaro.org \
--cc=peter.huangpeng@huawei.com \
--cc=stefano.stabellini@citrix.com \
--cc=xen-devel@lists.xen.org \
--cc=zhaoshenglong@huawei.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.