exe/RELEASE-NOTES.TXT - external/sawbuck/syzygy/binaries - Git at Google

 Syzygy Release Notes
 ====================

 Version 0.7.15.0

 [r2142] SyzyASAN - Addition of a heap validation code to error processing and
         reporting.
 [r2138] Fix to allow VS2013 produced Syzygy agents to run with VS2013 produced
         instrumented binaries.

 Version 0.7.14.0

 [r2115] Adds native .lib support to the toolchain.
 [r2120] SyzyASan - Implements the interceptor for wcschr.

 Version 0.7.13.0

 [-----] SyzyASan - Fixed some XP compatibility issues.
 [r2095] SyzyASan - Add support for runtime subsampling of SyzyASan allocation
         guards.
 [r2094] SyzyASan - Cast the return value of HeapFree to a boolean before
         checking it.
 [r2064] SyzyASan - Plumb runtime ASan parameters through instrumentation to the
         runtime library.

 Version 0.7.12.0

 [-----] First build with VS2013.
 [r2059] SyzyASan - Add instrumentation subsampling support to ASan instrumenter.

 Version 0.7.11.0

 [r2056] SyzyASan - Block checksums now validated as they exit the quarantine.

 Version 0.7.10.0

 [r2049] SyzyASan - Fix to quarantine to prevent flushing it when overly large
         blocks are inserted. Also modifies eviction policy to be random.

 Version 0.7.9.0

 [r2029] Add --no-logo flag to Syzygy tool command line parsing to allow for
         fully silent execution.
 [r2025] SyzyASan - Add a checksum to ASan's blocks and use it to prevent heap
         corruption.
 [r2023] Add dumping of MSToolEnv to pdb_dumper.

 Version 0.7.8.0

 [r2012] Now officially building with VS2013.
 [r2010] swapimport.exe now works with 64-bit binaries.

 Version 0.7.7.2

 [r1989] Fix to reorderer to make it use the same decomposer as the relinker.

 Version 0.7.7.1

 [r1983] Small fix to decompose_image_to_text which was causing failed official
         builder tests.

 Version 0.7.7.0

 [r1979] Created swapimport.exe utility.
 [r1978] SyzyASan - Fix for improperly intercepted CRT functions with custom
         calling conventions in LTCG builds.
 [r1969] SyzyASan - Wide character CRT string function interceptors.

 Version 0.7.6.0

 [r1957] Full VS2013 support.
 [r1955] PEHacker is now fully functional. First release.
 [r1934] Switched to using new decomposer.

 Version 0.7.5.0

 [r1906] Various fixes for VS2013 support.

 Version 0.7.4.1

 [r1893] Fix the failures on the decomposer unittests for the official build.
 [r1892] SyzyASan - Add the header and the lib file of SyzyASan_rtl.dll to the
         released binaries.

 Version 0.7.4.0

 [r1889] SyzyASan - Interception of the ReadFile and WriteFile functions.
 [r1864] Bug fix for sampling profiler grinder.
 [r1862] SyzyASan - Implementation of the API for the nested heaps.

 Version 0.7.3.0

 [r1840] Improved integration testing for profiler.
 [r1838] Refactor HeapProxy to expose the redzoning functions in an API.

 Version 0.7.2.0

 [r1827] New instrumentation mode for profiler.
 [r1819] Fixes for broken sample grinder unittests in official build mode.

 Version 0.7.1.0

 [r1817] Sampling profiler now supports KCacheGrind output format.
 [r1814] Fixes to benchmarking scripts to handle multi-DLL Chrome builds.

 Version 0.7.0.1

 [-----] Build infrastructure changes to support renamed ASan RTL.

 Version 0.7.0.0

 [r1807] SyzyASan - Reduce the contention in StackCaptureCache.
 [r1791] SyzyASan - Rename asan_rtl.dll to SyzyASan_rtl.dll
 [r1787] Add branch events buffering to the instrumenter.

 Version 0.2.29.1

 [r1768] SyzyASan - Fix an ugly bug in the way we were setting up the filter in
         AsanInstrumenter

 Version 0.2.29.0

 [r1759] SyzyASan - Add ASan RTL support for a quarantine size/trailer padding
         size experiment.
 [r1758] SyzyASan - Use the CRT interceptors by default.
 [r1750] SyzyASan - Adds a parameter to the command line to specify the blocks
         padding size.

 Version 0.2.28.0

 [r1738] SyzyASan - Support for new Breakpad exported functions.
 [r1737] Fix to benchmarking automation scripts to more cleanly shutdown Chrome.
 [r1729] Full grinder support for sampling profiler data.
 [r1722] Fix to PDB generation to handle large PDBs.

 Version 0.2.27.0

 [r1716] Flaky unittest fixit. Fixed 4 cases of known occasional test failures.
 [r1715] reorder.exe can handle multiple instrumented modules.
 [r1713] Chrome optimization scripts updated to handle multi-DLL builds.
 [r1695] SyzyASan - Implemented interceptors of CRT string.h functions.

 Version 0.2.26.0

 [r1684] SyzyASan - Enable the redundant checks analysis by default.
 [r1679] SyzyASan - Add a logging message when a minidump is saved to the disk.
 [r1678] Add the PDB of our binaries to the binaries-syms archive.
 [r1650] Sampling profiler (sampler.exe) now fully functional.
 [r1636] Add --sampling-interval and --bucket-size parameters to sampler.exe.

 Version 0.2.25.0

 [r1624] Turn on the liveness analysis for the asan instrumentation.
 [r1617] Refactor the instrumenter application.

 Version 0.2.24.0

 [r1581] Add bb and dromaeo modes into benchmark/optimize scripts.

 Version 0.2.23.0

 [-----] Build infrastructure changes to properly source index this build.
 [r1578] SyzyASan - Bugfix to Realloc.

 Version 0.2.22.0

 [r1567] Various bugfixes to make Syzygy able to decompose Adobe Flash binaries.
 [r1566] SyzyASan - Added reference counting and reuse to stack cache.

 Version 0.2.21.1

 [r1542] SyzyASan - Remove use of a kernel32 import that was not available on XP.
 [r1529] SyzyASan - More performance improvements to slow path.

 Version 0.2.21.0

 [r1524] Update asan rtl for minidump generation.
 [r1523] Add mini-dump generation to the logger.
 [r1520] Reduce the memory overhead per block and add the TIDs to the header.
 [r1503] Add more aggressive optimization settings to our official builds.

 Version 0.2.20.0

 [r1490] SyzyASan - Cut shadow size in half.
 [r1469] Disable DCHECKs in official builds.
 [r1466] SyzyASan - Make the slow path faster.

 Version 0.2.19.0

 [r1460] SyzyASan - Include all stack frames by default.
 [r1459] SyzyASan - Fix asan logger shutdown on error.
 [r1456] SyzyASan - Capture time between free and use-after-free.

 Version 0.2.18.0

 [r1444] SyzyASan - Use breakpad key/value pairs to label crashes.
 [r1443] SyzyASan - Leave contents of freed blocks intact for better debugging.

 Version 0.2.17.1

 [r1425] SyzyASan - Save crash analyses to the stack.
 [r1424] SyzyASan - Directly report crashes via breakpad, if available.
 [r1417] Fix parsing to support trace files larger than 4GB.
 [r1411] SyzyASan - Add support for string and other special instructions.

 Version 0.2.16.0

 [r1390] New genfilter tool for creating image filters.
 [r1389] Runtime filtering of SyzyASan bugs by stack-trace IDs.
 [r1385] Performance improvements to profiler instrumentation.
 [r1381] Many performance improvements for SyzyASan.
 [r1374] Instrumentation time filtering enabled for SyzyASan.
 [r1366] SyzyASan stack-traces can have configurable max depth and bottom frame
         trimming.

 Version 0.2.15.0

 [r1359] Elide ASan hooks for (unhandled) stack addresses.
 [r1330] Thunk entry points to blocks which are not basic-block decomposable.
 [r1344] Add client DLL symbol information to the release.

 Version 0.2.14.0

 [r1285] Small fix to binaries script.

 Version 0.2.13.0

 [r1284] Started keeping release notes.
 [r1283] SyzyASan uses remote stack tracing in RPC logging service so as to get
         accurate traces even in sandboxed code.
 [r1282] Much simplified straight-path decomposer.
 [r1281] SyzyASan no longer corrupts IAT entries and NT headers size/start values
         are properly calculated.
 [r1276] PDB/MSF files contain properly formatted free page maps.
 [r1272] zap_timestamps for normalizing PE/PDB pairs.
 [r1263] pdbfind for locating the PDB associated with a PE file.
 [r1261] Proper parsing of imported data symbols.
	Syzygy Release Notes
	====================

	Version 0.7.15.0

	[r2142] SyzyASAN - Addition of a heap validation code to error processing and
	reporting.
	[r2138] Fix to allow VS2013 produced Syzygy agents to run with VS2013 produced
	instrumented binaries.

	Version 0.7.14.0

	[r2115] Adds native .lib support to the toolchain.
	[r2120] SyzyASan - Implements the interceptor for wcschr.

	Version 0.7.13.0

	[-----] SyzyASan - Fixed some XP compatibility issues.
	[r2095] SyzyASan - Add support for runtime subsampling of SyzyASan allocation
	guards.
	[r2094] SyzyASan - Cast the return value of HeapFree to a boolean before
	checking it.
	[r2064] SyzyASan - Plumb runtime ASan parameters through instrumentation to the
	runtime library.

	Version 0.7.12.0

	[-----] First build with VS2013.
	[r2059] SyzyASan - Add instrumentation subsampling support to ASan instrumenter.

	Version 0.7.11.0

	[r2056] SyzyASan - Block checksums now validated as they exit the quarantine.

	Version 0.7.10.0

	[r2049] SyzyASan - Fix to quarantine to prevent flushing it when overly large
	blocks are inserted. Also modifies eviction policy to be random.

	Version 0.7.9.0

	[r2029] Add --no-logo flag to Syzygy tool command line parsing to allow for
	fully silent execution.
	[r2025] SyzyASan - Add a checksum to ASan's blocks and use it to prevent heap
	corruption.
	[r2023] Add dumping of MSToolEnv to pdb_dumper.

	Version 0.7.8.0

	[r2012] Now officially building with VS2013.
	[r2010] swapimport.exe now works with 64-bit binaries.

	Version 0.7.7.2

	[r1989] Fix to reorderer to make it use the same decomposer as the relinker.

	Version 0.7.7.1

	[r1983] Small fix to decompose_image_to_text which was causing failed official
	builder tests.

	Version 0.7.7.0

	[r1979] Created swapimport.exe utility.
	[r1978] SyzyASan - Fix for improperly intercepted CRT functions with custom
	calling conventions in LTCG builds.
	[r1969] SyzyASan - Wide character CRT string function interceptors.

	Version 0.7.6.0

	[r1957] Full VS2013 support.
	[r1955] PEHacker is now fully functional. First release.
	[r1934] Switched to using new decomposer.

	Version 0.7.5.0

	[r1906] Various fixes for VS2013 support.

	Version 0.7.4.1

	[r1893] Fix the failures on the decomposer unittests for the official build.
	[r1892] SyzyASan - Add the header and the lib file of SyzyASan_rtl.dll to the
	released binaries.

	Version 0.7.4.0

	[r1889] SyzyASan - Interception of the ReadFile and WriteFile functions.
	[r1864] Bug fix for sampling profiler grinder.
	[r1862] SyzyASan - Implementation of the API for the nested heaps.

	Version 0.7.3.0

	[r1840] Improved integration testing for profiler.
	[r1838] Refactor HeapProxy to expose the redzoning functions in an API.

	Version 0.7.2.0

	[r1827] New instrumentation mode for profiler.
	[r1819] Fixes for broken sample grinder unittests in official build mode.

	Version 0.7.1.0

	[r1817] Sampling profiler now supports KCacheGrind output format.
	[r1814] Fixes to benchmarking scripts to handle multi-DLL Chrome builds.

	Version 0.7.0.1

	[-----] Build infrastructure changes to support renamed ASan RTL.

	Version 0.7.0.0

	[r1807] SyzyASan - Reduce the contention in StackCaptureCache.
	[r1791] SyzyASan - Rename asan_rtl.dll to SyzyASan_rtl.dll
	[r1787] Add branch events buffering to the instrumenter.

	Version 0.2.29.1

	[r1768] SyzyASan - Fix an ugly bug in the way we were setting up the filter in
	AsanInstrumenter

	Version 0.2.29.0

	[r1759] SyzyASan - Add ASan RTL support for a quarantine size/trailer padding
	size experiment.
	[r1758] SyzyASan - Use the CRT interceptors by default.
	[r1750] SyzyASan - Adds a parameter to the command line to specify the blocks
	padding size.

	Version 0.2.28.0

	[r1738] SyzyASan - Support for new Breakpad exported functions.
	[r1737] Fix to benchmarking automation scripts to more cleanly shutdown Chrome.
	[r1729] Full grinder support for sampling profiler data.
	[r1722] Fix to PDB generation to handle large PDBs.

	Version 0.2.27.0

	[r1716] Flaky unittest fixit. Fixed 4 cases of known occasional test failures.
	[r1715] reorder.exe can handle multiple instrumented modules.
	[r1713] Chrome optimization scripts updated to handle multi-DLL builds.
	[r1695] SyzyASan - Implemented interceptors of CRT string.h functions.

	Version 0.2.26.0

	[r1684] SyzyASan - Enable the redundant checks analysis by default.
	[r1679] SyzyASan - Add a logging message when a minidump is saved to the disk.
	[r1678] Add the PDB of our binaries to the binaries-syms archive.
	[r1650] Sampling profiler (sampler.exe) now fully functional.
	[r1636] Add --sampling-interval and --bucket-size parameters to sampler.exe.

	Version 0.2.25.0

	[r1624] Turn on the liveness analysis for the asan instrumentation.
	[r1617] Refactor the instrumenter application.

	Version 0.2.24.0

	[r1581] Add bb and dromaeo modes into benchmark/optimize scripts.

	Version 0.2.23.0

	[-----] Build infrastructure changes to properly source index this build.
	[r1578] SyzyASan - Bugfix to Realloc.

	Version 0.2.22.0

	[r1567] Various bugfixes to make Syzygy able to decompose Adobe Flash binaries.
	[r1566] SyzyASan - Added reference counting and reuse to stack cache.

	Version 0.2.21.1

	[r1542] SyzyASan - Remove use of a kernel32 import that was not available on XP.
	[r1529] SyzyASan - More performance improvements to slow path.

	Version 0.2.21.0

	[r1524] Update asan rtl for minidump generation.
	[r1523] Add mini-dump generation to the logger.
	[r1520] Reduce the memory overhead per block and add the TIDs to the header.
	[r1503] Add more aggressive optimization settings to our official builds.

	Version 0.2.20.0

	[r1490] SyzyASan - Cut shadow size in half.
	[r1469] Disable DCHECKs in official builds.
	[r1466] SyzyASan - Make the slow path faster.

	Version 0.2.19.0

	[r1460] SyzyASan - Include all stack frames by default.
	[r1459] SyzyASan - Fix asan logger shutdown on error.
	[r1456] SyzyASan - Capture time between free and use-after-free.

	Version 0.2.18.0

	[r1444] SyzyASan - Use breakpad key/value pairs to label crashes.
	[r1443] SyzyASan - Leave contents of freed blocks intact for better debugging.

	Version 0.2.17.1

	[r1425] SyzyASan - Save crash analyses to the stack.
	[r1424] SyzyASan - Directly report crashes via breakpad, if available.
	[r1417] Fix parsing to support trace files larger than 4GB.
	[r1411] SyzyASan - Add support for string and other special instructions.

	Version 0.2.16.0

	[r1390] New genfilter tool for creating image filters.
	[r1389] Runtime filtering of SyzyASan bugs by stack-trace IDs.
	[r1385] Performance improvements to profiler instrumentation.
	[r1381] Many performance improvements for SyzyASan.
	[r1374] Instrumentation time filtering enabled for SyzyASan.
	[r1366] SyzyASan stack-traces can have configurable max depth and bottom frame
	trimming.

	Version 0.2.15.0

	[r1359] Elide ASan hooks for (unhandled) stack addresses.
	[r1330] Thunk entry points to blocks which are not basic-block decomposable.
	[r1344] Add client DLL symbol information to the release.

	Version 0.2.14.0

	[r1285] Small fix to binaries script.

	Version 0.2.13.0

	[r1284] Started keeping release notes.
	[r1283] SyzyASan uses remote stack tracing in RPC logging service so as to get
	accurate traces even in sandboxed code.
	[r1282] Much simplified straight-path decomposer.
	[r1281] SyzyASan no longer corrupts IAT entries and NT headers size/start values
	are properly calculated.
	[r1276] PDB/MSF files contain properly formatted free page maps.
	[r1272] zap_timestamps for normalizing PE/PDB pairs.
	[r1263] pdbfind for locating the PDB associated with a PE file.
	[r1261] Proper parsing of imported data symbols.