* [PATCH AUTOSEL 4.19 11/34] afs: Fix SELinux setting security label on /afs
[not found] <20191220143433.9922-1-sashal@kernel.org>
@ 2019-12-20 14:34 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2019-12-20 14:34 UTC (permalink / raw)
To: linux-kernel, stable
Cc: David Howells, Marc Dionne, selinux, linux-security-module,
Sasha Levin, linux-afs
From: David Howells <dhowells@redhat.com>
[ Upstream commit bcbccaf2edcf1b76f73f890e968babef446151a4 ]
Make the AFS dynamic root superblock R/W so that SELinux can set the
security label on it. Without this, upgrades to, say, the Fedora
filesystem-afs RPM fail if afs is mounted on it because the SELinux label
can't be (re-)applied.
It might be better to make it possible to bypass the R/O check for LSM
label application through setxattr.
Fixes: 4d673da14533 ("afs: Support the AFS dynamic root")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Marc Dionne <marc.dionne@auristor.com>
cc: selinux@vger.kernel.org
cc: linux-security-module@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/afs/super.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/fs/afs/super.c b/fs/afs/super.c
index 4d3e274207fb7..bd26082974732 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -404,7 +404,6 @@ static int afs_fill_super(struct super_block *sb,
/* allocate the root inode and dentry */
if (as->dyn_root) {
inode = afs_iget_pseudo_dir(sb, true);
- sb->s_flags |= SB_RDONLY;
} else {
sprintf(sb->s_id, "%u", as->volume->vid);
afs_activate_volume(as->volume);
--
2.20.1
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2019-12-20 14:34 ` [PATCH AUTOSEL 4.19 11/34] afs: Fix SELinux setting security label on /afs Sasha Levin
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