kern/182181: [ufs] Leakage of vnode references (race condition?)

[Teske, Devin]

On Sep 18, 2013, at 5:05 PM, Rick Macklem wrote:

> Devin Teske wrote:
>> 
>> 
>> Yes, my confusion was...
>> 
>> 1. The PR headers say 8.4-RELEASE-p3 is affected
>> 
>> 2. The PR's "How-To-Repeat" starts with "Install a releng/8.4 branch"
>> 
>> Yet...
>> 
>> releng/8.4 and even releng/8.3 both use VOP_UNLOCK instead of vput
>> (read: are patched).
>> 
> Did you mean "not patched"? The patched version in head has vput()
> and the unpatched versions have VOP_UNLOCK(), if I read the coed correctly.
> 

Well, Kirk's fat-finger made me think that VOP_UNLOCK was the patched-
state and vput was the unpatched state. (could also be that I'm fighting the
flu currently).

So everything is copacetic now, except the one outstanding question...

Should we not MFC r253998 to stable/8?

I'm looking to pull this into our own stable/8 kernel, but would like to do it
by way of svn merge from the stable/8 branch.
-- 
Devin

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