diff options
Diffstat (limited to 'sys/security/mac_mls/mac_mls.c')
| -rw-r--r-- | sys/security/mac_mls/mac_mls.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/security/mac_mls/mac_mls.c b/sys/security/mac_mls/mac_mls.c index b2f525a..fb0c2a5 100644 --- a/sys/security/mac_mls/mac_mls.c +++ b/sys/security/mac_mls/mac_mls.c @@ -46,6 +46,7 @@ #include <sys/extattr.h> #include <sys/kernel.h> #include <sys/mac.h> +#include <sys/mman.h> #include <sys/malloc.h> #include <sys/mount.h> #include <sys/proc.h> @@ -2380,7 +2381,7 @@ mac_mls_check_vnode_lookup(struct ucred *cred, struct vnode *dvp, static int mac_mls_check_vnode_mmap(struct ucred *cred, struct vnode *vp, - struct label *label, int prot) + struct label *label, int prot, int flags) { struct mac_mls *subj, *obj; @@ -2398,7 +2399,7 @@ mac_mls_check_vnode_mmap(struct ucred *cred, struct vnode *vp, if (!mac_mls_dominate_effective(subj, obj)) return (EACCES); } - if (prot & VM_PROT_WRITE) { + if (((prot & VM_PROT_WRITE) != 0) && ((flags & MAP_SHARED) != 0)) { if (!mac_mls_dominate_effective(obj, subj)) return (EACCES); } |
