diff options
Diffstat (limited to 'security/selinux/hooks.c')
| -rw-r--r-- | security/selinux/hooks.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 863f20590186..e13d65a62104 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -466,9 +466,12 @@ static int selinux_get_mnt_opts(const struct super_block *sb, if (!ss_initialized) return -EINVAL; + /* make sure we always check enough bits to cover the mask */ + BUILD_BUG_ON(SE_MNTMASK >= (1 << NUM_SEL_MNT_OPTS)); + tmp = sbsec->flags & SE_MNTMASK; /* count the number of mount options for this sb */ - for (i = 0; i < 8; i++) { + for (i = 0; i < NUM_SEL_MNT_OPTS; i++) { if (tmp & 0x01) opts->num_mnt_opts++; tmp >>= 1; |