linux-kernel - Re: linux-next: build failure after merge of the security tree

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Message-ID: <20200730093500.334c56cb@canb.auug.org.au>
Date:   Thu, 30 Jul 2020 09:35:00 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     James Morris <jmorris@...ei.org>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the security tree

Hi all,

On Mon, 13 Jul 2020 12:04:19 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> On Wed, 8 Jul 2020 14:00:34 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > After merging the security tree, today's linux-next build (powerpc
> > ppc64_defconfig) failed like this:
> > 
> > fs/anon_inodes.c: In function 'anon_inode_make_secure_inode':
> > fs/anon_inodes.c:70:10: error: implicit declaration of function 'security_inode_init_security_anon'; did you mean 'security_inode_init_security'? [-Werror=implicit-function-declaration]
> >    70 |  error = security_inode_init_security_anon(
> >       |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >       |          security_inode_init_security
> > 
> > Caused by commit
> > 
> >   2749d3f84a70 ("Add a new LSM-supporting anonymous inode interface")
> > 
> > # CONFIG_SECURITY is not set
> > 
> > Also, the explicit include of linux/security.h is missing ...
> > 
> > I have added the following patch for today.
> > 
> > From b2bae25c9b715e06f7e802ec7b51cfbfec046e6c Mon Sep 17 00:00:00 2001
> > From: Stephen Rothwell <sfr@...b.auug.org.au>
> > Date: Wed, 8 Jul 2020 13:43:01 +1000
> > Subject: [PATCH] fix up for "Add a new LSM-supporting anonymous inode interface"
> > 
> > Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> > ---
> >  fs/anon_inodes.c         | 1 +
> >  include/linux/security.h | 7 +++++++
> >  2 files changed, 8 insertions(+)
> > 
> > diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
> > index f87f221167cf..25d92c64411e 100644
> > --- a/fs/anon_inodes.c
> > +++ b/fs/anon_inodes.c
> > @@ -21,6 +21,7 @@
> >  #include <linux/magic.h>
> >  #include <linux/anon_inodes.h>
> >  #include <linux/pseudo_fs.h>
> > +#include <linux/security.h>
> >  
> >  #include <linux/uaccess.h>
> >  
> > diff --git a/include/linux/security.h b/include/linux/security.h
> > index 95c133a8f8bb..7c6b3dcf4721 100644
> > --- a/include/linux/security.h
> > +++ b/include/linux/security.h
> > @@ -735,6 +735,13 @@ static inline int security_inode_init_security(struct inode *inode,
> >  	return 0;
> >  }
> >  
> > +static inline int security_inode_init_security_anon(struct inode *inode,
> > +						    const struct qstr *name,
> > +						    const struct inode *context_inode)
> > +{
> > +	return 0;
> > +}
> > +
> >  static inline int security_old_inode_init_security(struct inode *inode,
> >  						   struct inode *dir,
> >  						   const struct qstr *qstr,  
> 
> I am still applying the above patch ...

The merge window is coming up fast ... is anything happening about this
failure?
-- 
Cheers,
Stephen Rothwell

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