linux-kernel - Re: [PATCH (for 3.15) 0/5] Fix cross rename race window for LSM.

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Message-Id: <201405012058.JEG30273.LJFHOOFMtOFQVS@I-love.SAKURA.ne.jp>
Date:	Thu, 1 May 2014 20:58:11 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:	jmorris@...ei.org
Cc:	linux-security-module@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH (for 3.15) 0/5] Fix cross rename race window for LSM.

James, would you send this patchset to Linus?
This patchset is expected to go to 3.15 because this is a kind of regression fix.

Tetsuo Handa wrote:
> Miklos Szeredi wrote:
> > On Sat, Apr 19, 2014 at 2:08 PM, Tetsuo Handa
> > <penguin-kernel@...ove.sakura.ne.jp> wrote:
> > > Michael Kerrisk (man-pages) wrote:
> > >> Now that renameat2() is in 3.15, I've taken these changes.
> > >
> > > What!? I didn't know renameat2() goes to 3.15.
> > >
> > > But I assume that renameat2() is not accessible in 3.15, for I can see
> > > "asmlinkage long sys_renameat2(" but don't see "#define __NR_renameat2".
> > 
> > x86 automatically generates __NR_foo entries and syscall tables from
> > arch/x86/syscalls/syscall_*.tbl, which is why you don't find an
> > explicit definition in the git tree.
> > 
> > Thanks,
> > Miklos
> > 
> 
> Oh, I see. Then, I must submit patches for fixing a race window
> caused by commit da1ce067 "vfs: add cross-rename".
> 
> Regards.
> 
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