/sbin/init used to start up with files->count > 1 and does
close(0);close(1);close(2); -> kernel thread fds close.
Now with unshare_files() and init's files->count ==1 the kernel threads
/dev/console fds remain open. But one could ask of course so what :)
--Mika
Alan Cox wrote:
>>If it is not expected behaviour that the kernel processes no longer
>>close their fds open an pivot_root, then I'd like to debug this (is my
>>use of pivot_root correct or am I doing something wrong here ?). I will
>>try with vanilla 2.4.21 now and see how that goes (or should I rather
>>try 2.4.22-pre7 ?).
>>
>>
>
>2.4.22pre7 has the unshare_files fix - its a security fix.
>
>It should not have changed the behaviour so I'm very interested to know if
>that specific patch set changes the behaviour and precisely what your code
>is doing
>
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