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Re: [PATCH v2] unix: properly account for FDs passed over unix sockets

From Willy Tarreau <w@1wt.eu>
Newsgroups linux.kernel
Subject Re: [PATCH v2] unix: properly account for FDs passed over unix sockets
Date 2016-02-02 22:00 +0100
Message-ID <qXQdk-cA-1@gated-at.bofh.it> (permalink)
References (1 earlier) <qXN5O-6qA-59@gated-at.bofh.it> <qXNSc-72M-67@gated-at.bofh.it> <qXOXT-7QE-11@gated-at.bofh.it> <qXPTY-5z-15@gated-at.bofh.it> <qXQ3F-93-21@gated-at.bofh.it>
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On Tue, Feb 02, 2016 at 12:44:54PM -0800, Linus Torvalds wrote:
> On Tue, Feb 2, 2016 at 12:32 PM, Hannes Frederic Sowa
> <hannes@stressinduktion.org> wrote:
> > But "struct pid *" in unix_skb_parms should be enough to get us to
> > corresponding "struct cred *" so we can decrement the correct counter during
> > skb destruction.
> 
> Umm. I think the "struct cred" may change in between, can't it?

You mean for example in case of setuid() or something like this ?

willy

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Re: [PATCH v2] unix: properly account for FDs passed over unix sockets David Herrmann <dh.herrmann@gmail.com> - 2016-02-02 18:40 +0100
  Re: [PATCH v2] unix: properly account for FDs passed over unix  sockets Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-02-02 19:30 +0100
    Re: [PATCH v2] unix: properly account for FDs passed over unix sockets Linus Torvalds <torvalds@linux-foundation.org> - 2016-02-02 20:40 +0100
      Re: [PATCH v2] unix: properly account for FDs passed over unix sockets Willy Tarreau <w@1wt.eu> - 2016-02-02 21:40 +0100
        Re: [PATCH v2] unix: properly account for FDs passed over unix  sockets Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-02-02 23:00 +0100
          Re: [PATCH v2] unix: properly account for FDs passed over unix  sockets Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-02-03 02:00 +0100
            Re: [PATCH v2] unix: properly account for FDs passed over unix  sockets Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-02-03 02:20 +0100
      Re: [PATCH v2] unix: properly account for FDs passed over unix  sockets Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-02-02 21:40 +0100
        Re: [PATCH v2] unix: properly account for FDs passed over unix sockets Linus Torvalds <torvalds@linux-foundation.org> - 2016-02-02 21:50 +0100
          Re: [PATCH v2] unix: properly account for FDs passed over unix sockets Willy Tarreau <w@1wt.eu> - 2016-02-02 22:00 +0100
            Re: [PATCH v2] unix: properly account for FDs passed over unix sockets Willy Tarreau <w@1wt.eu> - 2016-02-02 22:00 +0100
            Re: [PATCH v2] unix: properly account for FDs passed over unix sockets Linus Torvalds <torvalds@linux-foundation.org> - 2016-02-02 22:00 +0100
          Re: [PATCH v2] unix: properly account for FDs passed over unix  sockets Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-02-02 22:00 +0100
          RE: [PATCH v2] unix: properly account for FDs passed over unix  sockets David Laight <David.Laight@ACULAB.COM> - 2016-02-03 13:30 +0100
  Re: [PATCH v2] unix: properly account for FDs passed over unix  sockets Simon McVittie <simon.mcvittie@collabora.co.uk> - 2016-02-03 12:40 +0100
    Re: [PATCH v2] unix: properly account for FDs passed over unix sockets David Herrmann <dh.herrmann@gmail.com> - 2016-02-03 13:00 +0100
      Re: [PATCH v2] unix: properly account for FDs passed over unix  sockets Simon McVittie <simon.mcvittie@collabora.co.uk> - 2016-02-03 14:00 +0100
      Re: [PATCH v2] unix: properly account for FDs passed over unix  sockets Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-02-03 15:10 +0100
    Re: [PATCH v2] unix: properly account for FDs passed over unix  sockets Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-02-03 13:00 +0100

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