Module Name: src
Committed By: christos
Date: Mon Apr 4 16:47:39 UTC 2016
Modified Files:
src/sys/kern: kern_pax.c
Log Message:
Add some diagnostic printf's when we reset permissions.
To generate a diff of this commit:
cvs rdiff -u -r1.36 -r1.37 src/sys/kern/kern_pax.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/kern_pax.c
diff -u src/sys/kern/kern_pax.c:1.36 src/sys/kern/kern_pax.c:1.37
--- src/sys/kern/kern_pax.c:1.36 Sun Mar 20 12:39:36 2016
+++ src/sys/kern/kern_pax.c Mon Apr 4 12:47:39 2016
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_pax.c,v 1.36 2016/03/20 16:39:36 christos Exp $ */
+/* $NetBSD: kern_pax.c,v 1.37 2016/04/04 16:47:39 christos Exp $ */
/*
* Copyright (c) 2015 The NetBSD Foundation, Inc.
@@ -57,7 +57,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_pax.c,v 1.36 2016/03/20 16:39:36 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_pax.c,v 1.37 2016/04/04 16:47:39 christos Exp $");
#include "opt_pax.h"
@@ -363,9 +363,19 @@ pax_mprotect(struct lwp *l, vm_prot_t *p
return;
if ((*prot & (VM_PROT_WRITE|VM_PROT_EXECUTE)) != VM_PROT_EXECUTE) {
+#ifdef DIAGNOSTIC
+ struct proc *p = l->l_proc;
+ printf("%s: %d.%d (%s): clearing execute bit\n", __func__,
+ p->p_pid, l->l_lid, p->p_comm);
+#endif
*prot &= ~VM_PROT_EXECUTE;
*maxprot &= ~VM_PROT_EXECUTE;
} else {
+#ifdef DIAGNOSTIC
+ struct proc *p = l->l_proc;
+ printf("%s: %d.%d (%s): clearing write bit\n", __func__,
+ p->p_pid, l->l_lid, p->p_comm);
+#endif
*prot &= ~VM_PROT_WRITE;
*maxprot &= ~VM_PROT_WRITE;
}
