svn commit: r347955 - head/sys/kern
Mark Johnston
markj at FreeBSD.org
Sat May 18 14:19:24 UTC 2019
Author: markj
Date: Sat May 18 14:19:23 2019
New Revision: 347955
URL: https://svnweb.freebsd.org/changeset/base/347955
Log:
Update the DIAGNOSTIC-only vmem_check_sanity() after r347949.
Cursor tags are special and shouldn't be subject to the existing checks.
Reported by: kib, David Wolfskill
MFC with: r347949
Modified:
head/sys/kern/subr_vmem.c
Modified: head/sys/kern/subr_vmem.c
==============================================================================
--- head/sys/kern/subr_vmem.c Sat May 18 13:27:09 2019 (r347954)
+++ head/sys/kern/subr_vmem.c Sat May 18 14:19:23 2019 (r347955)
@@ -1738,8 +1738,18 @@ vmem_check_sanity(vmem_t *vm)
}
}
TAILQ_FOREACH(bt, &vm->vm_seglist, bt_seglist) {
+ if (bt->bt_type == BT_TYPE_CURSOR) {
+ if (bt->bt_start != 0 || bt->bt_size != 0) {
+ printf("corrupted cursor\n");
+ return false;
+ }
+ continue;
+ }
TAILQ_FOREACH(bt2, &vm->vm_seglist, bt_seglist) {
if (bt == bt2) {
+ continue;
+ }
+ if (bt2->bt_type == BT_TYPE_CURSOR) {
continue;
}
if (BT_ISSPAN_P(bt) != BT_ISSPAN_P(bt2)) {
More information about the svn-src-all
mailing list