Module Name: src
Committed By: mlelstv
Date: Sat May 4 13:33:18 UTC 2024
Modified Files:
src/sys/kern: subr_iostat.c
Log Message:
Account for trailing NUL bytes when calculating userland buffer size.
To generate a diff of this commit:
cvs rdiff -u -r1.25 -r1.26 src/sys/kern/subr_iostat.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/subr_iostat.c
diff -u src/sys/kern/subr_iostat.c:1.25 src/sys/kern/subr_iostat.c:1.26
--- src/sys/kern/subr_iostat.c:1.25 Wed May 22 08:47:02 2019
+++ src/sys/kern/subr_iostat.c Sat May 4 13:33:18 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: subr_iostat.c,v 1.25 2019/05/22 08:47:02 hannken Exp $ */
+/* $NetBSD: subr_iostat.c,v 1.26 2024/05/04 13:33:18 mlelstv Exp $ */
/* NetBSD: subr_disk.c,v 1.69 2005/05/29 22:24:15 christos Exp */
/*-
@@ -68,7 +68,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_iostat.c,v 1.25 2019/05/22 08:47:02 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_iostat.c,v 1.26 2024/05/04 13:33:18 mlelstv Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@@ -370,6 +370,8 @@ iostati_getnames(int disk_only, char *ol
memset(bf, 0, sizeof(bf));
if (first) {
strncpy(bf, stats->io_name, sizeof(bf));
+ /* account for trailing NUL byte */
+ needed += 1;
first = 0;
} else {
bf[0] = ' ';