Re: [Bug-tar] opening files with O_NONBLOCK causes problems

[Joerg Schilling]

Paul Eggert <address@hidden> wrote:

> On 01/05/12 14:59, Kamil Dudka wrote:
> > Is there a known attack on tar that the use of O_NONBLOCK can prevent?  
>
> Yes, of course.  For example, the attacker can create a
> hard link to a fifo while tar is running, which means that
> root doing a backup will hang indefinitely.

star does not open FIFO files.....

Why should gtar open FIFO files?

Jörg

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