[llvm-branch-commits] [cfe-branch] r338993 - Release notes for write exec detection features
David Carlier via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Mon Aug 6 01:05:11 PDT 2018
Author: devnexen
Date: Mon Aug 6 01:05:11 2018
New Revision: 338993
URL: http://llvm.org/viewvc/llvm-project?rev=338993&view=rev
Log:
Release notes for write exec detection features
Modified:
cfe/branches/release_70/docs/AddressSanitizer.rst
cfe/branches/release_70/docs/MemorySanitizer.rst
cfe/branches/release_70/docs/ReleaseNotes.rst
Modified: cfe/branches/release_70/docs/AddressSanitizer.rst
URL: http://llvm.org/viewvc/llvm-project/cfe/branches/release_70/docs/AddressSanitizer.rst?rev=338993&r1=338992&r2=338993&view=diff
==============================================================================
--- cfe/branches/release_70/docs/AddressSanitizer.rst (original)
+++ cfe/branches/release_70/docs/AddressSanitizer.rst Mon Aug 6 01:05:11 2018
@@ -144,6 +144,12 @@ For more information on leak detector in
and can be enabled using ``ASAN_OPTIONS=detect_leaks=1`` on OS X;
however, it is not yet supported on other platforms.
+Writable/Executable paging detection
+------------------------------------
+
+The W^X detection is disabled by default and can be enabled using
+``ASAN_OPTIONS=detect_write_exec=1``.
+
Issue Suppression
=================
Modified: cfe/branches/release_70/docs/MemorySanitizer.rst
URL: http://llvm.org/viewvc/llvm-project/cfe/branches/release_70/docs/MemorySanitizer.rst?rev=338993&r1=338992&r2=338993&view=diff
==============================================================================
--- cfe/branches/release_70/docs/MemorySanitizer.rst (original)
+++ cfe/branches/release_70/docs/MemorySanitizer.rst Mon Aug 6 01:05:11 2018
@@ -165,6 +165,13 @@ to:
#. Set environment variable `MSAN_OPTIONS=poison_in_dtor=1` before running
the program.
+Writable/Executable paging detection
+====================================
+
+You can eable writable-executable page detection in MemorySanitizer by
+setting the environment variable `MSAN_OPTIONS=detect_write_exec=1` before
+running the program.
+
Handling external code
======================
Modified: cfe/branches/release_70/docs/ReleaseNotes.rst
URL: http://llvm.org/viewvc/llvm-project/cfe/branches/release_70/docs/ReleaseNotes.rst?rev=338993&r1=338992&r2=338993&view=diff
==============================================================================
--- cfe/branches/release_70/docs/ReleaseNotes.rst (original)
+++ cfe/branches/release_70/docs/ReleaseNotes.rst Mon Aug 6 01:05:11 2018
@@ -284,7 +284,8 @@ libclang
Static Analyzer
---------------
-- ...
+- The new `MmapWriteExec` checker had been introduced to detect attempts to map pages
+both writable and executable.
...
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