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Groups > linux.kernel > #1719573

Re: [PATCH v3] pty: Repair TIOCGPTPEER

From Stefan Lippers-Hollmann <s.l-h@gmx.de>
Newsgroups linux.kernel
Subject Re: [PATCH v3] pty: Repair TIOCGPTPEER
Date 2017-08-24 23:10 +0200
Message-ID <ui7y2-3iu-31@gated-at.bofh.it> (permalink)
References (13 earlier) <ui4JP-1xk-9@gated-at.bofh.it> <ui4Tw-1Au-5@gated-at.bofh.it> <ui5mx-1JS-9@gated-at.bofh.it> <ui5we-1Nn-21@gated-at.bofh.it> <ui6LF-2Jv-33@gated-at.bofh.it>
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Hi

On 2017-08-24, Eric W. Biederman wrote:
> The implementation of TIOCGPTPEER has two issues.
> 
> When /dev/ptmx (as opposed to /dev/pts/ptmx) is opened the wrong
> vfsmount is passed to dentry_open.  Which results in the kernel displaying
> the wrong pathname for the peer.

[...]

> v2: Lots of fixes to make the code actually work
> v3: Suggestions by Linus
>     - Removed the unnecessary initialization of filp in ptm_open_peer
>     - Simplified devpts_ptmx_path as gotos are no longer required

This version of the patch is working for me as well in all my test
(including pbuilder) so far, thanks a lot.

Regards
	Stefan Lippers-Hollmann

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Thread

[PATCH 0/1] devpts: use dynamic_dname() to generate proc name Christian Brauner <christian.brauner@ubuntu.com> - 2017-08-16 19:20 +0200
  Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-16 20:30 +0200
    Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-16 20:50 +0200
      Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Christian Brauner <christian.brauner@canonical.com> - 2017-08-16 21:50 +0200
        Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-16 22:00 +0200
          Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-16 22:20 +0200
            Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-16 22:40 +0200
              Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-16 23:10 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Christian Brauner <christian.brauner@canonical.com> - 2017-08-16 23:40 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-16 23:50 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-17 00:00 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Christian Brauner <christian.brauner@canonical.com> - 2017-08-17 00:10 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Christian Brauner <christian.brauner@canonical.com> - 2017-08-17 00:30 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-23 17:40 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Christian Brauner <christian.brauner@canonical.com> - 2017-08-23 23:20 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-17 00:50 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-17 01:00 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-17 02:00 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-17 02:10 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-17 03:30 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Stefan Lippers-Hollmann <s.l-h@gmx.de> - 2017-08-24 02:30 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 02:50 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 03:20 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-24 03:30 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 03:40 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 03:50 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 04:10 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-24 05:20 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 05:30 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-24 18:00 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Stefan Lippers-Hollmann <s.l-h@gmx.de> - 2017-08-24 06:30 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-24 18:00 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 20:00 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 20:10 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 20:20 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 20:40 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 20:40 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Stefan Lippers-Hollmann <s.l-h@gmx.de> - 2017-08-24 22:30 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 22:30 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-24 20:50 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 21:00 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-24 21:30 +0200
                [PATCH v3] pty: Repair TIOCGPTPEER ebiederm@xmission.com (Eric W. Biederman) - 2017-08-24 22:20 +0200
                Re: [PATCH v3] pty: Repair TIOCGPTPEER Stefan Lippers-Hollmann <s.l-h@gmx.de> - 2017-08-24 23:10 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 21:30 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 21:30 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-24 22:50 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-24 23:10 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-25 01:10 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-25 01:30 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Christian Brauner <christian.brauner@canonical.com> - 2017-08-25 01:40 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-26 03:10 +0200
                Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-24 21:50 +0200
            Re: [PATCH 0/1] devpts: use dynamic_dname() to generate proc name ebiederm@xmission.com (Eric W. Biederman) - 2017-08-17 03:40 +0200

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