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authorRobin H. Johnson <robbat2@gentoo.org>2015-08-08 13:49:04 -0700
committerRobin H. Johnson <robbat2@gentoo.org>2015-08-08 17:38:18 -0700
commit56bd759df1d0c750a065b8c845e93d5dfa6b549d (patch)
tree3f91093cdb475e565ae857f1c5a7fd339e2d781e /sys-freebsd/freebsd-sources/files/freebsd-sources-9.1-mmap.patch
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proj/gentoo: Initial commit
This commit represents a new era for Gentoo: Storing the gentoo-x86 tree in Git, as converted from CVS. This commit is the start of the NEW history. Any historical data is intended to be grafted onto this point. Creation process: 1. Take final CVS checkout snapshot 2. Remove ALL ChangeLog* files 3. Transform all Manifests to thin 4. Remove empty Manifests 5. Convert all stale $Header$/$Id$ CVS keywords to non-expanded Git $Id$ 5.1. Do not touch files with -kb/-ko keyword flags. Signed-off-by: Robin H. Johnson <robbat2@gentoo.org> X-Thanks: Alec Warner <antarus@gentoo.org> - did the GSoC 2006 migration tests X-Thanks: Robin H. Johnson <robbat2@gentoo.org> - infra guy, herding this project X-Thanks: Nguyen Thai Ngoc Duy <pclouds@gentoo.org> - Former Gentoo developer, wrote Git features for the migration X-Thanks: Brian Harring <ferringb@gentoo.org> - wrote much python to improve cvs2svn X-Thanks: Rich Freeman <rich0@gentoo.org> - validation scripts X-Thanks: Patrick Lauer <patrick@gentoo.org> - Gentoo dev, running new 2014 work in migration X-Thanks: Michał Górny <mgorny@gentoo.org> - scripts, QA, nagging X-Thanks: All of other Gentoo developers - many ideas and lots of paint on the bikeshed
Diffstat (limited to 'sys-freebsd/freebsd-sources/files/freebsd-sources-9.1-mmap.patch')
-rw-r--r--sys-freebsd/freebsd-sources/files/freebsd-sources-9.1-mmap.patch20
1 files changed, 20 insertions, 0 deletions
diff --git a/sys-freebsd/freebsd-sources/files/freebsd-sources-9.1-mmap.patch b/sys-freebsd/freebsd-sources/files/freebsd-sources-9.1-mmap.patch
new file mode 100644
index 000000000000..ef2d0a78206b
--- /dev/null
+++ b/sys-freebsd/freebsd-sources/files/freebsd-sources-9.1-mmap.patch
@@ -0,0 +1,20 @@
+http://www.freebsd.org/security/advisories/FreeBSD-SA-13:06.mmap.asc
+https://bugs.gentoo.org/show_bug.cgi?id=473688
+
+Index: sys/vm/vm_map.c
+===================================================================
+--- sys/vm/vm_map.c (revision 251636)
++++ sys/vm/vm_map.c (working copy)
+@@ -3761,6 +3761,12 @@ RetryLookup:;
+ vm_map_unlock_read(map);
+ return (KERN_PROTECTION_FAILURE);
+ }
++ if ((fault_typea & VM_PROT_COPY) != 0 &&
++ (entry->max_protection & VM_PROT_WRITE) == 0 &&
++ (entry->eflags & MAP_ENTRY_COW) == 0) {
++ vm_map_unlock_read(map);
++ return (KERN_PROTECTION_FAILURE);
++ }
+
+ /*
+ * If this page is not pageable, we have to get it for all possible