Date: Mon, 9 Dec 2019 00:34:35 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r355541 - stable/12/sys/vm Message-ID: <201912090034.xB90YZ7S061040@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: markj Date: Mon Dec 9 00:34:34 2019 New Revision: 355541 URL: https://svnweb.freebsd.org/changeset/base/355541 Log: MFC r355469: Fix fault_type handling in vm_map_lookup(). Modified: stable/12/sys/vm/vm_map.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/vm/vm_map.c ============================================================================== --- stable/12/sys/vm/vm_map.c Mon Dec 9 00:30:05 2019 (r355540) +++ stable/12/sys/vm/vm_map.c Mon Dec 9 00:34:34 2019 (r355541) @@ -4525,7 +4525,7 @@ vm_map_lookup(vm_map_t *var_map, /* IN/OUT */ vm_map_entry_t entry; vm_map_t map = *var_map; vm_prot_t prot; - vm_prot_t fault_type = fault_typea; + vm_prot_t fault_type; vm_object_t eobject; vm_size_t size; struct ucred *cred; @@ -4569,7 +4569,7 @@ RetryLookupLocked: vm_map_growstack(map, vaddr, entry) == KERN_SUCCESS) goto RetryLookupLocked; } - fault_type &= VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE; + fault_type = fault_typea & VM_PROT_ALL; if ((fault_type & prot) != fault_type || prot == VM_PROT_NONE) { vm_map_unlock_read(map); return (KERN_PROTECTION_FAILURE);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201912090034.xB90YZ7S061040>