Author: kib
Date: Wed Aug 5 07:29:59 2015
New Revision: 286306
URL: https://svnweb.freebsd.org/changeset/base/286306
Log:
MFC r285046:
Account for the main process stack being one page below the highest
user address when ABI uses shared page.
Modified:
stable/10/sys/vm/vm_map.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/vm/vm_map.c
==============================================================================
--- stable/10/sys/vm/vm_map.c Wed Aug 5 07:21:44 2015 (r286305)
+++ stable/10/sys/vm/vm_map.c Wed Aug 5 07:29:59 2015 (r286306)
@@ -3657,7 +3657,8 @@ Retry:
return (KERN_NO_SPACE);
}
- is_procstack = (addr >= (vm_offset_t)vm->vm_maxsaddr) ? 1 : 0;
+ is_procstack = (addr >= (vm_offset_t)vm->vm_maxsaddr &&
+ addr < (vm_offset_t)p->p_sysent->sv_usrstack) ? 1 : 0;
/*
* If this is the main process stack, see if we're over the stack
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