Re: [git pull] vfs fixes

From	Al Viro <viro@ZenIV.linux.org.uk>
Newsgroups	linux.kernel
Subject	Re: [git pull] vfs fixes
Date	2017-04-15 19:10 +0200
Message-ID	<twzmV-S2-7@gated-at.bofh.it> (permalink)
References	<tudTA-7da-3@gated-at.bofh.it> <twpGV-3iC-1@gated-at.bofh.it> <twzdf-zg-5@gated-at.bofh.it>
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On Sat, Apr 15, 2017 at 09:51:40AM -0700, Linus Torvalds wrote:
> On Fri, Apr 14, 2017 at 11:41 PM, Vegard Nossum <vegard.nossum@gmail.com> wrote:
> >
> > I'm seeing the same memfd_create/name_to_handle_at/path_lookupat
> > use-after-free that Dmitry was seeing here:
> 
> Ok, see if that is gone in current git with commit c0eb027e5aef ("vfs:
> don't do RCU lookup of empty pathnames")

FWIW, I'm finishing testing of fixes for crap found during the discussion
of that stuff last week (making sure that mntns_install() can't be abused
into setting ->fs->root/->fs->pwd to dentry of NFS referral and its ilk
and doing that in a sane way).

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Re: [git pull] vfs fixes Vegard Nossum <vegard.nossum@gmail.com> - 2017-04-15 08:50 +0200
  Re: [git pull] vfs fixes Linus Torvalds <torvalds@linux-foundation.org> - 2017-04-15 19:00 +0200
    Re: [git pull] vfs fixes Al Viro <viro@ZenIV.linux.org.uk> - 2017-04-15 19:10 +0200

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