https://bugzilla.kernel.org/show_bug.cgi?id=99461

[Joseph Salisbury]

On 08/18/2015 01:02 PM, Joseph Salisbury wrote:
> On 08/18/2015 12:43 PM, Joseph Salisbury wrote:
>> On 08/18/2015 11:24 AM, Joseph Salisbury wrote:
>>> On 08/18/2015 09:52 AM, Dan Searle wrote:
>>>> Hi,
>>>>
>>>>  
>>>>
>>>> I tried sending this to the kernel-bugs Ubuntu list, but the message
>>>> was rejected for reasons I can’t understand, I hope this is the
>>>> correct place to send this information.
>>>>
>>>>  
>>>>
>>>> See: https://bugzilla.redhat.com/show_bug.cgi?id=1205258
>>>> <https://bugzilla.redhat.com/show_bug.cgi?id=1205258>
>>>>
>>>> See Also: https://bugzilla.kernel.org/show_bug.cgi?id=99461
>>>> <https://bugzilla.kernel.org/show_bug.cgi?id=99461>
>>>>
>>>>  
>>>>
>>>> It’s a bug effecting recv() system calls using flags MSG_PEEK |
>>>> MSG_WAITALL effecting Ubuntu kernels which has been fixed in kernel
>>>> version “kernel-3.10.0-306.el7”.
>>>>
>>>>  
>>>>
>>>> I’m wondering when this fix will be taken up and included in the
>>>> Ubuntu 14.04 LTS kernel packages?
>>>>
>>>>  
>>>>
>>>> Regards, Dan.
>>>>
>>>>  
>>>>
>>>>  
>>>>
>>>> Dan Searle
>>>>
>>>> Development Direcor
>>>>
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>>>>
>>> Hi Dan,
>>>
>>> The fix in mainline is:
>>>
>>> commit dfbafc995304ebb9a9b03f65083e6e9cea143b20
>>> Author: Sabrina Dubroca <sd at queasysnail.net>
>>> Date:   Fri Jul 24 18:19:25 2015 +0200
>>>
>>>     tcp: fix recv with flags MSG_WAITALL | MSG_PEEK
>>>
>>>
>>>
>>> Can you create a Launchpad bug for this, Dan?  That is how we can track
>>> the fix making it into pre v3.10 Ubuntu kernels.  If not, I can create
>>> the bug.  Also, do you have a way to reproduce this bug, or can you list
>>> the steps?  If so, I can build a test kernel with a cherry pick of this
>>> commit, so it can be tested before sending a SRU request.
>>>
>>> Thanks,
>>>
>>> Joe
>>>
>>>
>> Dan,
>>
>> I'll create a bug, build a test kernel and send you the link.
>>
>> Thanks,
>>
>> Joe
>>
> FYI, the Launchpad bug for this issue is:
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1486146
>
Hi Dan,

I built a Trusty test kernel with a cherry-pick of dfbafc99. This test
kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1486146/
<http://kernel.ubuntu.com/%7Ejsalisbury/lp1486146/>

Can you test this kernel and see if it resolves this bug?

Thanks in advance!