Review Request 129993: Fix SFTP unmount

Aleix Pol Gonzalez aleixpol at kde.org
Tue Mar 7 14:36:30 UTC 2017


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plugins/sftp/mounter.h (line 57)
<https://git.reviewboard.kde.org/r/129993/#comment68408>

    Maybe it should be called `umount`?



plugins/sftp/mounter.cpp (line 224)
<https://git.reviewboard.kde.org/r/129993/#comment68409>

    `m_proc` needs to be destroyed either way... the other branch is not doing so.
    
    I'm a bit concerned about how random the finished argument feels. Maybe we can trigger the deletion of `m_proc` on the case that it doesn't work and skip the argument altogether?


- Aleix Pol Gonzalez


On mar. 7, 2017, 4:36 a.m., Yuxuan Shui wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/129993/
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> 
> (Updated mar. 7, 2017, 4:36 a.m.)
> 
> 
> Review request for kdeconnect and Albert Vaca Cintora.
> 
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> Bugs: 377040
>     http://bugs.kde.org/show_bug.cgi?id=377040
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> Repository: kdeconnect-kde
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> Description
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> The destructor of Mounter says it doesn't call unmount because it will crash.
> 
> I tracked down the root cause of that. In unmount(), m_proc is set to nullptr before the process is killed. And Stderr/StdoutReadReady is triggered after that. So in the signal handler there's a nullptr dereference.
> 
> In this patch I take some actions to make sure the process is shutdown properly.
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> 
> Diffs
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>   plugins/sftp/mounter.h a9edc26 
>   plugins/sftp/mounter.cpp f43a445 
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> Diff: https://git.reviewboard.kde.org/r/129993/diff/
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> 
> Testing
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> 
> Thanks,
> 
> Yuxuan Shui
> 
>

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