From: Matthew Dillon <dillon@dragonflybsd.org>
Date: Sat, 27 Sep 2008 20:29:52 +0000 (+0000)
Subject: Do not loop forever if narg becomes negative.  This can happen when asked
X-Git-Tag: v2.1.1~317
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/48cbc3825fc39bde67fbed932d96203c562cf18e?ds=sidebyside

Do not loop forever if narg becomes negative.  This can happen when asked
to kdump trace output created by emulated system calls.
---

diff --git a/usr.bin/kdump/kdump.c b/usr.bin/kdump/kdump.c
index 902c570af3..c6ad967a0e 100644
--- a/usr.bin/kdump/kdump.c
+++ b/usr.bin/kdump/kdump.c
@@ -33,7 +33,7 @@
  * @(#) Copyright (c) 1988, 1993 The Regents of the University of California.  All rights reserved.
  * @(#)kdump.c	8.1 (Berkeley) 6/6/93
  * $FreeBSD: src/usr.bin/kdump/kdump.c,v 1.29 2006/05/20 14:27:22 netchild Exp $
- * $DragonFly: src/usr.bin/kdump/kdump.c,v 1.10 2008/01/07 01:35:43 corecode Exp $
+ * $DragonFly: src/usr.bin/kdump/kdump.c,v 1.11 2008/09/27 20:29:52 dillon Exp $
  */
 
 #define _KERNEL_STRUCTURES
@@ -648,7 +648,7 @@ ktrsyscall(register struct ktr_syscall *ktr)
 				narg--;
 			}
 		}
-		while (narg) {
+		while (narg > 0) {
 			print_number(ip,narg,c);
 		}
 		(void)putchar(')');