Module Name:    src
Committed By:   martin
Date:           Tue Jun 25 07:14:45 UTC 2019

Modified Files:
        src/usr.sbin/sysinst: disklabel.c

Log Message:
Assert that the label data is valid before invoking disklabel(8)


To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/usr.sbin/sysinst/disklabel.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/usr.sbin/sysinst/disklabel.c
diff -u src/usr.sbin/sysinst/disklabel.c:1.4 src/usr.sbin/sysinst/disklabel.c:1.5
--- src/usr.sbin/sysinst/disklabel.c:1.4	Thu Jun 20 18:32:32 2019
+++ src/usr.sbin/sysinst/disklabel.c	Tue Jun 25 07:14:45 2019
@@ -1,4 +1,4 @@
-/*	$NetBSD: disklabel.c,v 1.4 2019/06/20 18:32:32 martin Exp $	*/
+/*	$NetBSD: disklabel.c,v 1.5 2019/06/25 07:14:45 martin Exp $	*/
 
 /*
  * Copyright 2018 The NetBSD Foundation, Inc.
@@ -272,6 +272,8 @@ disklabel_write_to_disk(struct disk_part
 	char *d;
 	size_t n;
 
+	assert(parts->l.d_secsize != 0);
+
 	sprintf(fname, "/tmp/disklabel.%u", getpid());
 	f = fopen(fname, "w");
 	if (f == NULL)

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