From: tholo <tholo@openbsd.org>
Date: Sat, 29 Mar 1997 21:17:17 +0000 (+0000)
Subject: Do not include mmap'ed device memory in coredumps; from Matthias Drochner
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=833fe58c1124ba10f3066f0cbda6d3f8736e8780;p=openbsd

Do not include mmap'ed device memory in coredumps; from Matthias Drochner
<drochner@zel024.zel.kfa-juelich.de> in NetBSD PR 3252
---

diff --git a/sys/vm/vm_unix.c b/sys/vm/vm_unix.c
index 8175bf4077b..d56b60d33e2 100644
--- a/sys/vm/vm_unix.c
+++ b/sys/vm/vm_unix.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vm_unix.c,v 1.2 1996/03/03 17:45:39 niklas Exp $	*/
+/*	$OpenBSD: vm_unix.c,v 1.3 1997/03/29 21:17:17 tholo Exp $	*/
 /*	$NetBSD: vm_unix.c,v 1.19 1996/02/10 00:08:14 christos Exp $	*/
 
 /*
@@ -188,6 +188,15 @@ vm_coredump(p, vp, cred, chdr)
 			continue;
 		}
 
+		if (entry->object.vm_object &&
+		    entry->object.vm_object->pager &&
+		    entry->object.vm_object->pager->pg_type == PG_DEVICE) {
+#ifdef DEBUG
+			printf("vm_coredump: skipping dev @ %lx\n", (unsigned long)entry->start);
+#endif
+			continue;
+		}
+
 		if (!(entry->protection & VM_PROT_WRITE))
 			continue;