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Message-ID: <lsq.1539530741.393618854@decadent.org.uk>
Date: Sun, 14 Oct 2018 16:25:41 +0100
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC: akpm@...ux-foundation.org,
"Linus Torvalds" <torvalds@...ux-foundation.org>,
"Ian Kent" <raven@...maw.net>
Subject: [PATCH 3.16 181/366] autofs: mount point create should honour
passed in mode
3.16.60-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Ian Kent <raven@...maw.net>
commit 1e6306652ba18723015d1b4967fe9de55f042499 upstream.
The autofs file system mkdir inode operation blindly sets the created
directory mode to S_IFDIR | 0555, ingoring the passed in mode, which can
cause selinux dac_override denials.
But the function also checks if the caller is the daemon (as no-one else
should be able to do anything here) so there's no point in not honouring
the passed in mode, allowing the daemon to set appropriate mode when
required.
Link: http://lkml.kernel.org/r/152361593601.8051.14014139124905996173.stgit@pluto.themaw.net
Signed-off-by: Ian Kent <raven@...maw.net>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
fs/autofs4/root.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -721,7 +721,7 @@ static int autofs4_dir_mkdir(struct inod
autofs4_del_active(dentry);
- inode = autofs4_get_inode(dir->i_sb, S_IFDIR | 0555);
+ inode = autofs4_get_inode(dir->i_sb, S_IFDIR | mode);
if (!inode)
return -ENOMEM;
d_add(dentry, inode);
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