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] = ' ';