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On 05/28/15 10:21, Patrick Kelsey wrote:
> Yes, I'll give it a go.  I haven't yet done a dry-run to see how
> hairy it might be, so no predictions there.

Great!  Please feel free to ask if you need any help from my side.

Cheers,

> Thanks, Patrick
> 
> On Thu, May 28, 2015 at 1:18 PM, hiren panchasara < 
> hi...@strugglingcoder.info> wrote:
> 
>> On 05/28/15 at 10:12P, Xin Li wrote:
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>>> 
>>> Hi, Hiren,
>>> 
>>> On 05/27/15 21:55, hiren panchasara wrote:
>>>> On 05/28/15 at 12:40P, Patrick Kelsey wrote:
>>>>> Hi,
>>>>> 
>>>>> I've had a patch for a capsicum-related issue in tcpdump
>>>>> sitting around since last September ( 
>>>>> https://lists.freebsd.org/pipermail/freebsd-current/2014-September
/05
>>>
>>>>> 
2049.html)
>>>>> 
>>>>> 
>>> that is still needed and that I want finally address in the
>>> tree (the pa tch
>>>>> was reviewed by rwatson@ and pjd@ back then).
>>>>> 
>>>>> This issue was patched separately in the upstream tcpdump
>>>>> sources in February ( 
>>>>> https://github.com/the-tcpdump-group/tcpdump/commit/887bf88fd058f8
c0e
>>>
>>>>> 
f9a5af1a95b43753e3ad2eb),
>>>>> 
>>>>> 
>>> along with a refactor of the associated capsicum code, and that
>>> work has
>>>>> been present in tcpdump releases since 4.7.3 ( 
>>>>> http://www.tcpdump.org/tcpdump-changes.txt).
>>>>> 
>>>>> The last tcpdump release imported into the FreeBSD tree was
>>>>> 4.6.2 ( http://svnweb.freebsd.org/base/vendor/tcpdump/).
>>>>> 
>>>>> tcpdump release import/merges have recently resulted in
>>>>> some confusion/lost local patches due to the extent of the
>>>>> diffs (e.g., the thread at 
>>>>> https://lists.freebsd.org/pipermail/svn-src-head/2015-February/067
853
>>>
>>>>> 
.html).
>>>>> 
>>>>> 
>>>>> 
>>> I see three possible ways to proceed:
>>>>> 
>>>>> 1. Apply the minimal-local-diff patch from last September
>>>>> to our local tcpdump sources.  This seems like it might
>>>>> contribute to a future difficult/lossy tcpdump vendor
>>>>> import/merge.
>>>>> 
>>>>> 2. Import tcpdump 4.7.3 or later to address this issue.
>>>>> Are there any reasons why this might not be desired?  I
>>>>> don't have a feel for when/why past tcpdump vendor imports
>>>>> have been performed or avoided.
>>>>> 
>>>>> 3. Cherry-pick the upstream patch and apply it to our
>>>>> local sources, directly addressing only this issue and
>>>>> avoiding future tcpdump vendor import/merge problems
>>>>> related to this issue.
>>>>> 
>>>>> I'm looking for input on the above.  If left to my own
>>>>> devices, I'd go with (3).
>>>> 
>>>> Latest upstream release is 4.7.4 and the one before that was
>>>> 4.6.2 which we already have in the tree. I think we should
>>>> get latest instead of picking bits and pieces when possible.
>>>> 
>>>> CCing Xin for his input as he has been doing last few
>>>> imports.
>>> 
>>> Yes, I think we should do the new import.  (Are you willing to
>>> do that?  I'm doing it only because nobody else were doing
>>> it...)
>> 
>> I think Patrick volunteered to do the import. If he can't, I'll
>> do it.
>> 
>> Cheers, Hiren
>> 
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- -- 
Xin LI <delp...@delphij.net>    https://www.delphij.net/
FreeBSD - The Power to Serve!           Live free or die
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