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2018-10-10fix handling of failing external callsFrank Busse
Currently KLEE only handles the first segfault in external calls as it doesn't unblock SIGSEGV afterwards. This patch unblocks the signal and enables handling of multiple failing calls.
2018-10-10cmake/lit: add asan/non-asan, ubsan/non-ubsan flagsFrank Busse
2018-10-08add support for klee-replay on OSXFrank Busse
* also adds klee-replay as dependency for systemtests
2018-09-30Fix a crash when the last running state is terminated during mergingLukas Wölfer
2018-09-29Changed code to create up to 100 properly-numbered symbolic arguments, and ↵Cristian Cadar
add a corresponding check.
2018-09-29Add checks for correct usage of the POSIX model, together with an associated ↵Cristian Cadar
test.
2018-09-20Removed unused --sym-files 0 0 argument from FD_Fail test and rewrote the ↵Cristian Cadar
test to use FileCheck instead of grep
2018-09-20Updated IoCtl test to use --sym-stdin instead of --sym-files 0 x to make ↵Cristian Cadar
stdin symbolic and removed unused arguments to main.
2018-09-20Updated DirSeek test to use --sym-stdin instead of --sym-files 0 x to make ↵Cristian Cadar
stdin symbolic.
2018-09-10Add testcase to run POSIX environment and main without argumentsMartin Nowack
2018-09-10Add POSIX runtime as dependency for the test caseMartin Nowack
2018-09-10Unify the error message if that function has not been found.Martin Nowack
2018-09-06Use FileCheck and LINE instead of grep if possibleMartin Nowack
As we do not support LLVM 2.9 anymore, we can use FileCheck LINE instead of hard coding line numbers.
2018-09-06runtime: fix memory error in canonicalize_file_nameFrank Busse
Fixes #46 and reverts #47. As stated in #46, the solution works for musl, glibc etc. However, the code in stub.c is executed by uclibc and uclibc doesn't allocate the target buffer in realpath. The memory error occured while running df for 10min with DFS.
2018-09-06Avoid Vararg non-deterministic allocationMartin Nowack
Vararg test can fail if KLEE is able to resolve the intended out-of-bound memory address to a memory object. To avoid this, allocate memory explicitly deterministic with sufficient space between the allocations. Enables support for Mac OSX again
2018-08-03Fixed runtest library to handle the case of a NULL "name" argument in ↵Cristian Cadar
klee_make_symbolic. Changed a test case to check this feature.
2018-08-03[clang-format]Allow longer codelines in test/Martin Nowack
Code files in `test/` might contain comment lines that are longer as they contain `// RUN` commands. clang-formatting breaks the tests. Stop clang-formatting from doing that.
2018-08-01test: remove geq-llvm-3.4Julian Büning
2018-07-28remove last comma from -debug-print-escaping-functionsJulian Büning
2018-07-28test/Feature/EscapingFunctionsAlias.c: clarify alias(ee) castingJulian Büning
2018-07-28add declarations to escapingFunctionsJulian Büning
2018-07-23ModuleUtil: improve and test valueIsOnlyCalledJulian Büning
* handle BlockAddress (which is not a valid function pointer) * there is no instruction with opcode 0 * add test for functionality
2018-07-12llvm38: test, change some testsJiri Slaby
alias in LLVM 3.8 has a new format, it adds an AliaseeTy parameter. So handle this in the tests. [v2] add comments about what was changed and why Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-07-11Removed support for klee_make_symbolic with 2 arguments. This has been ↵Cristian Cadar
deprecated for many years now and causes problems during replay. Changed and simplified affected test case.
2018-07-10test: remove undefined behaviourJiri Slaby
Shifting negative values is implementation-defined. Shifting by equal number of the bits as is the size of the type is undefined. So fix both of these. This fixes #911. Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-07-04Fix incorrect invocation of kleeMartin Nowack
2018-07-04Support sanitizer suppression files with lit-based testingMartin Nowack
2018-07-04Reorder linking and optimizationsMartin Nowack
Link intrinsic library before executing optimizations. This makes sure that any optimization run by KLEE on the module is executed for the intrinsic library as well. Support .ll files as input for KLEE as well.
2018-07-02Removed obsolete scriptCristian Cadar
2018-07-02test/lit.cfg: remove obsolete hack from (LLVM < 3.0 is no longer supported)Julian Büning
2018-06-29fix out of range access in KleeHandler::getKTestFilesInDirFrank Busse
2018-06-29Make ConstantExpr hashing function faster and modify affected testTimotej Kapus
2018-06-13klee_int: allow NULL as nameFrank Busse
2018-05-24test: add versions of some tests for LLVM 3.7Richard Trembecký
Clone some tests to have their 3.7 version. 'call's, 'load's and 'getelementptr's match the new specification in them. @andreamattavelli: Fixed test cases: BitCastAlias test cases included modification to alias specifications that require LLVM 3.8 [v2] added comments what was changed and why [v3] the new tests are without suffix, the old ones have ".leq36". Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-05-23test: add parenthesis around & operandsJiri Slaby
Some compilers are picky, so avoid the warning by additional parentheses: test/VectorInstructions/integer_ops_unsigned_symbolic.c:85:22: warning: & has lower precedence than <; < will be evaluated first [-Wparentheses] Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
2018-05-18tests: use names in klee_make_symbolicFrank Busse
2018-05-17Add support for concretizing symbolic objects passed to external functionsTimotej Kapus
2018-05-17Improve error messages for ReadStringAtAddressTimotej Kapus
2018-05-15Improved code qualityLukas Wölfer
2018-05-15Implemented incomplete mergingLukas Wölfer
2018-05-09Fix test case to check for correct call stringMartin Nowack
2018-05-09Improve handling of constant array in Z3Timotej Kapus
2018-05-07Fixed test case to exercise modification to utimes()Cristian Cadar
2018-05-07Fixed utimes() behavior for symbolic files when the second argument is NULLyxliang01
2018-05-06Moved regression test to proper location. Fixes #705Cristian Cadar
2018-05-05Fix handling of errno if external functions are invokedMartin Nowack
If an external function in KLEE is invoked, it might update errno. Previously, the errno specific variable in a state was only updated if it was part of the executed instructions. That opened up a timeframe that increased the likelihood of errno being overwritten by another method call. This patch fixes two issues: * the errno of the KLEE process state is updated before the external function call allowing to detect changes to it later on * after the external call, the memory object of errno is directly updated with its new value, reducing the likelihood to be overwritten by another call Additional features: * Add support for `errno()` for Darwin as well. * Simplified errno handling in POSIX layer
2018-05-01Ensured program reliably has 3 paths to be explored, and removed unnecessary ↵Cristian Cadar
options. Make klee_abort() call abort() in replay, and removed trivial test which cannot be easily integrated into the test suite.
2018-05-01Implement klee_prefer_cex() and klee_abort() in Runtest and added ↵lyxia
corresponding tests
2018-05-01add blockaddress and indirectbr instructionsFrank Busse
2018-04-09doDumpStates: incorrectly increments statsFrank Busse
doDumpStates calls stepInstruction and therefore indirectly increases time and instruction statistics for all dangling (dumped) states. This patch removes the call, but now the timing stats for the last executed state are lost, as StatsTracker::stepInstruction isn't called anymore.
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