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FROMLIST: security: selinux: allow per-file labelling for binderfs

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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@google.com>
Acked-by: Mark Salyzyn <salyzyn@android.com>
Signed-off-by: Hridya Valsaraju <hridya@google.com>

Bug: 136497735
(cherry picked from commit 7a4b51947475a7f67e2bd06c4a4c768e2e64a975
git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git
master)
Link: https://lore.kernel.org/patchwork/patch/1175776/
Change-Id: I105cc54b30ddd4120dc23a363bddc2f9d00e4dc4
This commit is contained in:
Hridya Valsaraju 2019-12-08 12:43:44 -08:00
parent f48fcae0ed
commit 5bbf2879a5
1 changed files with 1 additions and 0 deletions
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1
security/selinux/hooks.c
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@ -870,6 +870,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
!strcmp(sb->s_type->name, "tracefs") || !strcmp(sb->s_type->name, "tracefs") ||
!strcmp(sb->s_type->name, "sysfs") || !strcmp(sb->s_type->name, "sysfs") ||
!strcmp(sb->s_type->name, "pstore") || !strcmp(sb->s_type->name, "pstore") ||
!strcmp(sb->s_type->name, "binder") ||
!strcmp(sb->s_type->name, "cgroup") || !strcmp(sb->s_type->name, "cgroup") ||
!strcmp(sb->s_type->name, "cgroup2")) !strcmp(sb->s_type->name, "cgroup2"))
sbsec->flags |= SE_SBGENFS; sbsec->flags |= SE_SBGENFS;