Review Request 121599: Fix crash in KIO due to exposing inconsistent views of internal data.

[Albert Astals Cid]

> On abr. 19, 2015, 4:27 a.m., Simeon Bird wrote:
> > Hi everyone, 
> > 
> > Sorry to bother you, but may I please commit this? It's been a while. The kdelibs version had some positive reviews.
> > 
> > Thanks,
> > Simeon

Any reason why we should not fix this in kdelibs too?


- Albert


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On feb. 28, 2015, 10:49 p.m., Simeon Bird wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/121599/
> -----------------------------------------------------------
> 
> (Updated feb. 28, 2015, 10:49 p.m.)
> 
> 
> Review request for KDE Frameworks, Aleix Pol Gonzalez and David Faure.
> 
> 
> Repository: kio
> 
> 
> Description
> -------
> 
> Fix crash in KIO due to exposing inconsistent views of internal data.
> 
> This can be triggered by renaming a directory while one of the files in it is open in gwenview.
> 
> It occurs because when KDirListerCache::emitRedirections is called,
> itemsInUse contains the old url. However, KDirLister::Private::redirect
> changes lstDirs to the new url. Thus at this point lstDirs contains an
> item not in itemsInUse, which causes an assertion if forgetDirs is
> called.
> 
> In gwenview, the redirection signal is connected to openURL. This calls
> forgetDirs, and causes the assertion.
> 
> The solution: update itemsInUse *before* emitting redirections.
> 
> This fixes the crash, but gwenview opens the first file in
> the new directory instead of the file open before renaming.
> This is probably an unrelated gwenview bug.
> 
> This is the same as reviewboard 117345, but on the KF5 kio repository and with a test case.
> 
> While I was doing this I also fixed a minor bug in the test suite (which is a separate commit).
> 
> 
> Diffs
> -----
> 
>   autotests/kdirlistertest.h 70fd16f 
>   autotests/kdirlistertest.cpp b588e5b 
>   src/core/kcoredirlister.cpp f5c5627 
> 
> Diff: https://git.reviewboard.kde.org/r/121599/diff/
> 
> 
> Testing
> -------
> 
> Tests run
> 
> 
> Thanks,
> 
> Simeon Bird
> 
>

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