[src/trunk]: src/libexec/httpd Bozohttpd clobbers files greater than 4GB on 3...

[hannken <hannken%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ef57977207f6
branches:  trunk
changeset: 957132:ef57977207f6
user:      hannken <hannken%NetBSD.org@localhost>
date:      Thu Nov 19 10:45:36 2020 +0000

description:
Bozohttpd clobbers files greater than 4GB on 32bit archs.

Make sure the alignment mask derived from pagesize is an off_t.

diffstat:

 libexec/httpd/bozohttpd.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 29977a9bfdd3 -r ef57977207f6 libexec/httpd/bozohttpd.c
--- a/libexec/httpd/bozohttpd.c Thu Nov 19 02:36:30 2020 +0000
+++ b/libexec/httpd/bozohttpd.c Thu Nov 19 10:45:36 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bozohttpd.c,v 1.123 2020/10/15 04:21:53 mrg Exp $      */
+/*     $NetBSD: bozohttpd.c,v 1.124 2020/11/19 10:45:36 hannken Exp $  */
 
 /*     $eterna: bozohttpd.c,v 1.178 2011/11/18 09:21:15 mrg Exp $      */
 
@@ -907,7 +907,7 @@
         *
         * we use the write offset in all writes
         */
-       mappedoffset = first_byte_pos & ~(httpd->page_size - 1);
+       mappedoffset = first_byte_pos & ~((off_t)httpd->page_size - 1);
        mappedsz = (size_t)
                (first_byte_pos - mappedoffset + sz + httpd->page_size - 1) &
                ~(httpd->page_size - 1);