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Update the DIAGNOSTIC-only vmem_check_sanity() after r347949.

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Cursor tags are special and shouldn't be subject to the existing checks.

Reported by:	kib, David Wolfskill
MFC with:	r347949
This commit is contained in:
Mark Johnston 2019-05-18 14:19:23 +00:00
parent 19a9d4fa28
commit fd0be988cb
1 changed files with 10 additions and 0 deletions
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10
sys/kern/subr_vmem.c
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@ -1738,10 +1738,20 @@ vmem_check_sanity(vmem_t *vm)
} }
} }
TAILQ_FOREACH(bt, &vm->vm_seglist, bt_seglist) { 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) { TAILQ_FOREACH(bt2, &vm->vm_seglist, bt_seglist) {
if (bt == bt2) { if (bt == bt2) {
continue; continue;
} }
if (bt2->bt_type == BT_TYPE_CURSOR) {
continue;
}
if (BT_ISSPAN_P(bt) != BT_ISSPAN_P(bt2)) { if (BT_ISSPAN_P(bt) != BT_ISSPAN_P(bt2)) {
continue; continue;
} }