D13767.diff
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	Index: head/sys/kern/kern_proc.c
	===================================================================
	--- head/sys/kern/kern_proc.c
	+++ head/sys/kern/kern_proc.c
	@@ -2159,8 +2159,10 @@
	}

	for (lobj = tobj = obj; tobj; tobj = tobj->backing_object) {
	- if (tobj != obj)
	+ if (tobj != obj) {
	VM_OBJECT_RLOCK(tobj);
	+ kve->kve_offset += tobj->backing_object_offset;
	+ }
	if (lobj != obj)
	VM_OBJECT_RUNLOCK(lobj);
	lobj = tobj;
	@@ -2168,7 +2170,7 @@

	kve->kve_start = (void*)entry->start;
	kve->kve_end = (void*)entry->end;
	- kve->kve_offset = (off_t)entry->offset;
	+ kve->kve_offset += (off_t)entry->offset;

	if (entry->protection & VM_PROT_READ)
	kve->kve_protection \|= KVME_PROT_READ;
	@@ -2389,6 +2391,7 @@
	for (tobj = obj; tobj != NULL;
	tobj = tobj->backing_object) {
	VM_OBJECT_RLOCK(tobj);
	+ kve->kve_offset += tobj->backing_object_offset;
	lobj = tobj;
	}
	if (obj->backing_object == NULL)
	@@ -2409,7 +2412,7 @@

	kve->kve_start = entry->start;
	kve->kve_end = entry->end;
	- kve->kve_offset = entry->offset;
	+ kve->kve_offset += entry->offset;

	if (entry->protection & VM_PROT_READ)
	kve->kve_protection \|= KVME_PROT_READ;