From: David Ahern <dsahern@gmail.com>
To: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: acme@ghostprotocols.net, linux-kernel@vger.kernel.org,
Dongsoo Nathaniel Kim <dongsoo.kim@gmail.com>
Subject: Re: [PATCH] perf kvm: fix segfault by initializing file_name to NULL
Date: Wed, 27 Feb 2013 21:43:31 -0700 [thread overview]
Message-ID: <512EE073.8090709@gmail.com> (raw)
In-Reply-To: <512EDD96.9090600@linux.vnet.ibm.com>
On 2/27/13 9:31 PM, Xiao Guangrong wrote:
>
> On 02/28/2013 11:29 AM, David Ahern wrote:
>> Dongsoo reported that perf-kvm was segfaulting. The bug was introduced by
>> commit 3786063 which moved file_name from struct perf_kvm which was
>> initialized on the stack to an uninitialized stack variable. Fix by
>> initializing.
>>
>> Needs to be applied to 3.7 and 3.8 as well.
>
> David, The bug has already been fixed by by Arnaldo, see:
> http://git.kernel.org/?p=virt/kvm/kvm.git;a=commit;h=20914ce5b9e1ef4a35f1f09a2c9c8fb8eb1c4d86
>
very odd. Arnaldo's latest perf/urgent has the problem -- and no
initialized variable. Seems to have been dropped somewhere.
David
next prev parent reply other threads:[~2013-02-28 4:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-28 3:29 [PATCH] perf kvm: fix segfault by initializing file_name to NULL David Ahern
2013-02-28 4:31 ` Xiao Guangrong
2013-02-28 4:43 ` David Ahern [this message]
2013-02-28 14:24 ` Arnaldo Carvalho de Melo
2013-02-28 15:19 ` David Ahern
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=512EE073.8090709@gmail.com \
--to=dsahern@gmail.com \
--cc=acme@ghostprotocols.net \
--cc=dongsoo.kim@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=xiaoguangrong@linux.vnet.ibm.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.