pandora: reserve CMA area for c64_tools

[pandora-kernel.git] / security / commoncap.c

diff --git a/security/commoncap.c b/security/commoncap.c
index ee4f848..f90d82f 100644 (file)
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -28,6 +28,7 @@
 #include <linux/prctl.h>
 #include <linux/securebits.h>
 #include <linux/user_namespace.h>
+#include <linux/personality.h>
 
 /*
  * If a non-root user executes a setuid-root binary in
@@ -514,6 +515,11 @@ int cap_bprm_set_creds(struct linux_binprm *bprm)
        }
 skip:
 
+       /* if we have fs caps, clear dangerous personality flags */
+       if (!cap_issubset(new->cap_permitted, old->cap_permitted))
+               bprm->per_clear |= PER_CLEAR_ON_SETID;
+
+
        /* Don't let someone trace a set[ug]id/setpcap binary with the revised
         * credentials unless they have the appropriate permit
         */
@@ -975,3 +981,4 @@ int cap_file_mmap(struct file *file, unsigned long reqprot,
        }
        return ret;
 }
+EXPORT_SYMBOL(cap_file_mmap);