Author: kib
Date: Sun Apr 12 05:10:48 2020
New Revision: 359818
URL: https://svnweb.freebsd.org/changeset/base/359818
Log:
sendfile_iodone: correct calculation of the page index for relookup.
This is yet another bug in r359473.
Reported and tested by: delphij
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Modified:
head/sys/kern/kern_sendfile.c
Modified: head/sys/kern/kern_sendfile.c
==============================================================================
--- head/sys/kern/kern_sendfile.c Sun Apr 12 03:10:29 2020
(r359817)
+++ head/sys/kern/kern_sendfile.c Sun Apr 12 05:10:48 2020
(r359818)
@@ -298,7 +298,7 @@ sendfile_iodone(void *arg, vm_page_t *pa, int count, i
for (i = 0; i < count; i++) {
if (pa[i] == bogus_page) {
pa[i] = vm_page_relookup(sfio->obj,
- sfio->pindex0 + i + (sfio->pa - pa));
+ sfio->pindex0 + i + (pa - sfio->pa));
KASSERT(pa[i] != NULL,
("%s: page %p[%d] disappeared",
__func__, pa, i));
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