[PATCH] security: selinux: allow per-file labelling for binderfs

From: Hridya Valsaraju
Date: Mon Jan 06 2020 - 13:13:35 EST


This patch allows genfscon per-file labeling for binderfs.
This is required to have separate permissions to allow
access to binder, hwbinder and vndbinder devices which are
relocating to binderfs.

Acked-by: Jeff Vander Stoep <jeffv@xxxxxxxxxx>
Acked-by: Mark Salyzyn <salyzyn@xxxxxxxxxxx>
Signed-off-by: Hridya Valsaraju <hridya@xxxxxxxxxx>
---
security/selinux/hooks.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 116b4d644f68..3f0669a708e9 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -752,6 +752,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,

if (!strcmp(sb->s_type->name, "debugfs") ||
!strcmp(sb->s_type->name, "tracefs") ||
+ !strcmp(sb->s_type->name, "binderfs") ||
!strcmp(sb->s_type->name, "pstore"))
sbsec->flags |= SE_SBGENFS;

--
2.24.1.735.g03f4e72817-goog