Re: [Xen-devel] preparations for 4.8.2

[Lars Kurth <lars.kurth@xxxxxxxxxx>]

Quick info/update:

> XSA-222: line 51 in the log shows a real difference: this is a known bug
> in the tool where the diff file chunks are in a different order

This is now fixed in the last version of the scripts and the script
correctly handles this case

Lars

On 18/07/2017, 18:43, "Lars Kurth" <lars.kurth@xxxxxxxxxx> wrote:

>Hi all,
>
>@Jan: you may want to check the note on XSA-218 and XSA-224
>
>I removed Text::Diff module, which should fix the dependency problem.
>
>I also fixed the script such that it will fetch patches from
>http://xenbits.xenproject.org/xsa if the xsa.git has not been checked out
>in the location in
>
>The script still depends on: Getopt, Cwd, File packages, which I hope are
>standard.
>
>Crude check
>===========
>I first ran the scripts using
>
>./match-xsa --version 4 --major 8 --since 1 --xsa xsa-213-225 --getlogs
>--html > xsamatch.html
>
>Which checks name signatures only.
>Note that 
>https://xenproject.org/downloads/xen-archives/xen-project-48-series/xen-48
>1
>.html tells us that XSA 212 was applied last.
>
>The output shows that XSA-215 has not been applied. Not a problem, because
>XSA-215 applies to 64-bit Xen versions of 4.6 and earlier only.
>
>All the other ones have patches with matching names that have been
>applied.
>
>Detailed check
>==============
>I then ran using
>
>
>./match-xsa --version 4 --major 8 --since 1 --xsa xsa-213-225 --html
>--smart > xsamatchsmart.html
>
>
>which requires that xsa.git is checked out, which has restricted access
>(security team members only).
>
>The output shows some problems, for which I used
>
>./match-xsa --version 4 --major 8 --since 1 --xsa xsa-213-225 --html
>--smart --debug > xsamatchsmartdebug.html
>
>
>This then tells me that there are a few real differences between 4.8.2 and
>the XSA database
>
>XSA-218: line 32 in the log shows a real difference: see XSA-218-32.png
>XSA-224: line 72 in the log shows a real difference: see XSA-224-72a.png &
>XSA-224-72b.png
>
>
>XSA-222: line 51 in the log shows a real difference: this is a known bug
>in the tool where the diff file chunks are in a different order
>
>Script Improvements
>===================
>I can't use --xsadir https://xenbits.xenproject.org/xsa as I can't read
>files from a website. I can, fetch the file from
>https://xenbits.xenproject.org/xsa via the LWP:Simple package, which I
>don't think is installed on Linux distros by default. Alternatively I
>could use wget, which may be better.
>
>
>I will play with this and see whether I can add it.
>
>Cheers
>Lars
>
>
>On 18/07/2017, 14:53, "Wei Liu" <wei.liu2@xxxxxxxxxx> wrote:
>
>>On Tue, Jul 18, 2017 at 12:21:42PM +0100, Lars Kurth wrote:
>>> Wei,
>>> I attached the list output from xsa-list-send starting from 206
>>> If you look at 
>>> 
>>>https://xenproject.org/downloads/xen-archives/xen-project-48-series/xen-
>>>4
>>>81
>>> .html, you may want to start using from 213+
>>
>>[$]> ./match-xsa --version 4 --major 8 --since 2 --getlogs --xsa xsa-225
>>Can't locate Text/Diff.pm in @INC (you may need to install the
>>Text::Diff module) (@INC contains: /etc/perl
>>/usr/local/lib/x86_64-linux-gnu/perl/5.24.1 /usr/local/share/perl/5.24.1
>>/usr/lib/x86_64-linux-gnu/perl5/5.24 /usr/share/perl5
>>/usr/lib/x86_64-linux-gnu/perl/5.24 /usr/share/perl/5.24
>>/usr/local/lib/site_perl /usr/lib/x86_64-linux-gnu/perl-base) at
>>./match-xsa line 14.
>>BEGIN failed--compilation aborted at ./match-xsa line 14.
>>
>>Would be useful to give a list of perl modules required.
>

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