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diff --git a/NEWS b/NEWS index c4f70288..4af44e3c 100644 --- a/NEWS +++ b/NEWS @@ -1,3 +1,45 @@ +KLEE 3.0, 7 June 2023 +===================== + +Incorporating changes from 8 April 2022 to 7 June 2023. +Maintainers during this time span: @ccadar, @MartinNowack, @251. +(@251 joined as a new maintainer during 2022). +Documentation at http://klee.github.io/releases/docs/v3.0 + +== Major features == +- Added support for the KDAlloc memory allocator, which enables KLEE to more robustly detect use-after-free errors, improves the detection of buffer overflows, and provides deterministic memory allocation (@danielschemmel, based on https://srg.doc.ic.ac.uk/publications/22-kdalloc-ecoop.html) +- Enabled KLEE to support UBSan-added checks (@operasfantom) +- Added support for concrete inline assembly, which is now handled as an external call (@mishok2503) + +== LLVM support == +- Current recommended version is LLVM 13 +- Added support for LLVM 14 (@lzaoral) +- Removed support for LLVM <9 +- KLEE 3.0 will be the last version with support for LLVM <11 + +== Options, scripts and KLEE intrinsics added, changed or removed == +- Renamed gen-bout to ktest-gen, and gen-random-bout to ktest-randgen (@ccadar) +- Added option --stp-sat-solver for selecting the SAT solver used by STP (@251) +- Added many more runtime statistics that can be inspected with klee-stats, and renamed several of them (@251) +- Removed unused model_version from the tests generated when the POSIX runtime is enabled (@ccadar) +- Removed unused option --replay-keep-symbolic (@251) +- Added support for the @llvm.f{ma,muladd}.f* intrinsics (@lzaoral) +- Allow UcLibc to support a runtime option rather than a compile-time one (@arrowd) +- Added support for llvm.experimental.noalias.scope.decl (@operasfantom) +- Modified names of SMT variables to use underscores instead of dashes, e.g., A_data instead of A-data (@ccadar) + +== Other changes == +- Overhaul of KLEE's CI and build scripts (@MartinNowack, @jbuening) +- Introduce separate categories for different kinds of undefined behavior (@operasfantom) +- Support arguments of width 128, 256 and 512 bits for external calls (@operasfantom) +- Added check for nonnull path APIs in fstatat (@251, @jbuening) +- Fixed a bug in KLEE libc's implementation of strcmp, where characters were not compared as unsigned (@ccadar) +- Added support for Differential ShellCheck (@jamacku) +- Fixed a bug triggered when --entry-point and --libc=uclibc are used together (@ccadar) +- Fixed a bug with --use-batching-search ignoring disabled time budget (@jbuening) +- Smaller refactorings, fixes and improvements, test cases, maintenance, comments, web version, website, etc. (@251, @andronat, @arrowd, @ccadar, @danielschemmel, @dependabot, @fwc, @jamesjer, @jbuening, @jryans, @kt218, @lzaoral, @m-davis, @MartinNowack, @McSinyx, @mishok2503, @operasfantom, @prncoprs, @rriley, @rshariffdeen, @sava-cska, @ZHYfeng) + + KLEE 2.3, 4 April 2022 ====================== |