X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=security%2Fcommoncap.c;h=f90d82f128ccbc859e3ae2a97f774e6188435165;hp=ee4f8486e5f563dff63c13278a1258e43e2b7859;hb=refs%2Fheads%2Fpandora-3.2-c64_tools;hpb=866d43c9ea88daa3751b58aba16a2a9b7f7aa067

diff --git a/security/commoncap.c b/security/commoncap.c
index ee4f8486e5f5..f90d82f128cc 100644
--- 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);