Author: markj
Date: Fri Jun 19 04:18:20 2020
New Revision: 362363
URL: https://svnweb.freebsd.org/changeset/base/362363
Log:
Restore a check unintentionally dropped in r362361.
MFC with: r362361
Modified:
head/sys/vm/vm_map.c
Modified: head/sys/vm/vm_map.c
==============================================================================
--- head/sys/vm/vm_map.c Fri Jun 19 04:09:35 2020 (r362362)
+++ head/sys/vm/vm_map.c Fri Jun 19 04:18:20 2020 (r362363)
@@ -1616,7 +1616,7 @@ vm_map_insert(vm_map_t map, vm_object_t object, vm_oof
/*
* Check that the start and end points are not bogus.
*/
- if (!vm_map_range_valid(map, start, end))
+ if (start == end || !vm_map_range_valid(map, start, end))
return (KERN_INVALID_ADDRESS);
/*
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