BUG in tty_open when using containers and ptrace

H. Peter Anvin hpa at zytor.com
Thu Jul 23 15:11:50 PDT 2009

Grzegorz Nosek wrote:
> I tried that and while it did not oops, I wasn't sure where to dput it
> back, so it leaked like a sieve. I'm probably missing something obvious
> but I couldn't find a function whose calls balanced calls to
> devpts_get_tty.
> BTW, what would the semantics be? I.e. what can we do with a pty that has
> its master side long gone?

Nothing, but as long as something is keeping the pts file entry open, it
 should not be garbage-collected.


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