From: Al Viro <viro@ZenIV.linux.org.uk>
To: Rich Felker <dalias@aerifal.cx>
Cc: David Drysdale <drysdale@google.com>,
"Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andy Lutomirski <luto@amacapital.net>,
Meredydd Luff <meredydd@senatehouse.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
David Miller <davem@davemloft.net>,
Thomas Gleixner <tglx@linutronix.de>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Kees Cook <keescook@chromium.org>, Arnd Bergmann <arnd@arndb.de>,
Christoph Hellwig <hch@infradead.org>, X86 ML <x86@kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
Linux API <linux-api@vger.kernel.org>,
sparclinux@vger.kernel.org
Subject: Re: [PATCHv10 man-pages 5/5] execveat.2: initial man page for execveat(2)
Date: Fri, 9 Jan 2015 23:36:44 +0000 [thread overview]
Message-ID: <20150109233644.GR22149@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20150109231248.GZ4574@brightrain.aerifal.cx>
On Fri, Jan 09, 2015 at 06:12:48PM -0500, Rich Felker wrote:
> I'm not sure where you're disagreeing with me. open of procfs symlinks
> does not resolve the symlink and open the resulting pathname. They are
> "magic symlinks" which are bound to the inode of the open file. I
> don't see why this action, which is already special for magic
> symlinks, can't check a flag on the magic symlink and possibly close
> the corresponding file descriptor as part of its action.
_What_ action? ->follow_link()? As in "the same thing that e.g.
stat(2) would trigger"?
WARNING: multiple messages have this Message-ID (diff)
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Rich Felker <dalias@aerifal.cx>
Cc: David Drysdale <drysdale@google.com>,
"Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andy Lutomirski <luto@amacapital.net>,
Meredydd Luff <meredydd@senatehouse.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
David Miller <davem@davemloft.net>,
Thomas Gleixner <tglx@linutronix.de>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Kees Cook <keescook@chromium.org>, Arnd Bergmann <arnd@arndb.de>,
Christoph Hellwig <hch@infradead.org>, X86 ML <x86@kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
Linux API <linux-api@vger.kernel.org>,
sparclinux@vger.kernel.org
Subject: Re: [PATCHv10 man-pages 5/5] execveat.2: initial man page for execveat(2)
Date: Fri, 09 Jan 2015 23:36:44 +0000 [thread overview]
Message-ID: <20150109233644.GR22149@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20150109231248.GZ4574@brightrain.aerifal.cx>
On Fri, Jan 09, 2015 at 06:12:48PM -0500, Rich Felker wrote:
> I'm not sure where you're disagreeing with me. open of procfs symlinks
> does not resolve the symlink and open the resulting pathname. They are
> "magic symlinks" which are bound to the inode of the open file. I
> don't see why this action, which is already special for magic
> symlinks, can't check a flag on the magic symlink and possibly close
> the corresponding file descriptor as part of its action.
_What_ action? ->follow_link()? As in "the same thing that e.g.
stat(2) would trigger"?
next prev parent reply other threads:[~2015-01-09 23:36 UTC|newest]
Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-24 11:53 [PATCHv10 0/5] syscalls,x86,sparc: Add execveat() system call David Drysdale
2014-11-24 11:53 ` David Drysdale
2014-11-24 11:53 ` [PATCHv10 1/5] syscalls: implement " David Drysdale
2014-11-24 11:53 ` David Drysdale
2014-11-24 11:53 ` [PATCHv10 2/5] x86: Hook up execveat " David Drysdale
2014-11-24 12:45 ` Thomas Gleixner
2014-11-24 12:45 ` Thomas Gleixner
2014-11-24 12:45 ` Thomas Gleixner
2014-11-24 17:06 ` Dan Carpenter
2014-11-24 17:06 ` Dan Carpenter
2014-11-24 17:06 ` Dan Carpenter
2014-11-24 18:26 ` David Drysdale
2014-11-24 18:26 ` David Drysdale
2014-11-25 12:16 ` Dan Carpenter
2014-11-25 12:16 ` Dan Carpenter
2014-11-25 12:16 ` Dan Carpenter
2014-11-24 18:53 ` Thomas Gleixner
2014-11-24 18:53 ` Thomas Gleixner
2014-11-24 11:53 ` [PATCHv10 3/5] syscalls: add selftest for execveat(2) David Drysdale
2014-11-24 11:53 ` David Drysdale
2014-11-24 11:53 ` [PATCHv10 4/5] sparc: Hook up execveat system call David Drysdale
2014-11-24 18:36 ` David Miller
2014-11-24 18:36 ` David Miller
2014-11-24 11:53 ` [PATCHv10 man-pages 5/5] execveat.2: initial man page for execveat(2) David Drysdale
2015-01-09 15:47 ` Michael Kerrisk (man-pages)
2015-01-09 15:47 ` Michael Kerrisk (man-pages)
2015-01-09 16:13 ` Rich Felker
2015-01-09 16:13 ` Rich Felker
2015-01-09 17:46 ` David Drysdale
2015-01-09 17:46 ` David Drysdale
2015-01-09 17:46 ` David Drysdale
2015-01-09 20:48 ` Rich Felker
2015-01-09 20:48 ` Rich Felker
2015-01-09 20:48 ` Rich Felker
2015-01-09 20:56 ` Al Viro
2015-01-09 20:56 ` Al Viro
2015-01-09 20:59 ` Rich Felker
2015-01-09 20:59 ` Rich Felker
2015-01-09 20:59 ` Rich Felker
2015-01-09 21:09 ` Al Viro
2015-01-09 21:09 ` Al Viro
2015-01-09 21:09 ` Al Viro
2015-01-09 21:28 ` Rich Felker
2015-01-09 21:28 ` Rich Felker
2015-01-09 21:50 ` Al Viro
2015-01-09 21:50 ` Al Viro
2015-01-09 22:17 ` Rich Felker
2015-01-09 22:17 ` Rich Felker
2015-01-09 22:33 ` Al Viro
2015-01-09 22:33 ` Al Viro
2015-01-09 22:42 ` Rich Felker
2015-01-09 22:42 ` Rich Felker
2015-01-09 22:57 ` Al Viro
2015-01-09 22:57 ` Al Viro
2015-01-09 22:57 ` Al Viro
2015-01-09 23:12 ` Rich Felker
2015-01-09 23:12 ` Rich Felker
2015-01-09 23:24 ` Andy Lutomirski
2015-01-09 23:24 ` Andy Lutomirski
2015-01-09 23:37 ` Rich Felker
2015-01-09 23:37 ` Rich Felker
2015-01-10 0:01 ` Al Viro
2015-01-09 23:36 ` Al Viro [this message]
2015-01-09 23:36 ` Al Viro
2015-01-10 3:03 ` Al Viro
2015-01-10 3:03 ` Al Viro
2015-01-10 3:03 ` Al Viro
2015-01-10 3:41 ` Rich Felker
2015-01-10 3:41 ` Rich Felker
2015-01-10 4:14 ` Al Viro
2015-01-10 5:57 ` Rich Felker
2015-01-10 5:57 ` Rich Felker
2015-01-10 22:27 ` Eric W. Biederman
2015-01-10 22:27 ` Eric W. Biederman
2015-01-10 22:27 ` Eric W. Biederman
2015-01-11 1:15 ` Rich Felker
2015-01-11 1:15 ` Rich Felker
2015-01-11 2:09 ` Eric W. Biederman
2015-01-11 2:09 ` Eric W. Biederman
2015-01-11 2:09 ` Eric W. Biederman
2015-01-11 11:02 ` Christoph Hellwig
2015-01-11 11:02 ` Christoph Hellwig
2015-01-11 11:02 ` Christoph Hellwig
2015-01-12 14:18 ` David Drysdale
2015-01-09 22:13 ` Eric W. Biederman
2015-01-09 22:13 ` Eric W. Biederman
2015-01-09 22:13 ` Eric W. Biederman
2015-01-09 22:13 ` Eric W. Biederman
2015-01-09 22:38 ` Rich Felker
2015-01-09 22:38 ` Rich Felker
2015-01-10 1:17 ` Eric W. Biederman
2015-01-10 1:17 ` Eric W. Biederman
2015-01-10 1:17 ` Eric W. Biederman
2015-01-10 1:17 ` Eric W. Biederman
2015-01-10 1:33 ` Rich Felker
2015-01-10 1:33 ` Rich Felker
2015-01-10 1:33 ` Rich Felker
2015-01-12 11:33 ` David Drysdale
2015-01-12 16:07 ` Rich Felker
2015-01-12 16:07 ` Rich Felker
2015-01-10 7:13 ` Michael Kerrisk (man-pages)
2015-01-10 7:13 ` Michael Kerrisk (man-pages)
2015-01-09 21:20 ` Eric W. Biederman
2015-01-09 21:20 ` Eric W. Biederman
2015-01-09 21:20 ` Eric W. Biederman
2015-01-09 21:31 ` Rich Felker
2015-01-09 21:31 ` Rich Felker
2015-01-09 21:31 ` Rich Felker
2015-01-10 7:43 ` Michael Kerrisk (man-pages)
2015-01-10 7:43 ` Michael Kerrisk (man-pages)
2015-01-10 7:43 ` Michael Kerrisk (man-pages)
2015-01-10 8:27 ` Michael Kerrisk (man-pages)
2015-01-10 8:27 ` Michael Kerrisk (man-pages)
2015-01-10 13:31 ` Rich Felker
2015-01-10 13:31 ` Rich Felker
2015-01-10 7:38 ` Michael Kerrisk (man-pages)
2015-01-10 7:38 ` Michael Kerrisk (man-pages)
2015-01-10 7:38 ` Michael Kerrisk (man-pages)
2015-01-09 18:02 ` David Drysdale
2015-01-09 18:02 ` David Drysdale
2015-01-10 7:56 ` Michael Kerrisk (man-pages)
2015-01-10 7:56 ` Michael Kerrisk (man-pages)
2015-01-10 7:56 ` Michael Kerrisk (man-pages)
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