Module Name:    src
Committed By:   maxv
Date:           Mon Sep 24 05:47:33 UTC 2018

Modified Files:
        src/sys/arch/amd64/amd64: asan.c

Log Message:
Don't go beyond start().


To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/sys/arch/amd64/amd64/asan.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/arch/amd64/amd64/asan.c
diff -u src/sys/arch/amd64/amd64/asan.c:1.7 src/sys/arch/amd64/amd64/asan.c:1.8
--- src/sys/arch/amd64/amd64/asan.c:1.7	Mon Aug 27 08:53:19 2018
+++ src/sys/arch/amd64/amd64/asan.c	Mon Sep 24 05:47:33 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: asan.c,v 1.7 2018/08/27 08:53:19 maxv Exp $	*/
+/*	$NetBSD: asan.c,v 1.8 2018/09/24 05:47:33 maxv Exp $	*/
 
 /*
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: asan.c,v 1.7 2018/08/27 08:53:19 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: asan.c,v 1.8 2018/09/24 05:47:33 maxv Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -297,6 +297,9 @@ kasan_unwind(void)
 		}
 
 		rbp = (uint64_t *)*(rbp);
+		if (rbp == 0) {
+			break;
+		}
 		nsym++;
 
 		if (nsym >= 15) {

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