6d06ff069c
fa1fdeb2306ab86eb0ae7e8b9764bc37b1b5f04b fuzz: Ensure prevout is consensus-valid (MarcoFalke) Pull request description: It shouldn't be possible to create consensus-invalid prevouts, so there is no need to fuzz them. To reproduce: ``` $ echo 'AAAAAAEAAAAAAQF0Rw0SGsrit4+YZSEfpcQT/o+bJbjgVjATUHqrCfRE+QsBAAAXFgAUlsvXHgGV ZxF3QXxitwe1tIOYdLj2NePHATl9CgAAAAAAGXapFOFHg1yqRFl7soeowwpIEOoe9G1NiKwCRzBE AiAx6F2Q008gvJnok6JiyOn7lPqCJJmDiI2omRNXT1Q7XAIgCQP6WJizAqhnvImpQqYMJkqePGvx Jy/pGRMy1iNL0ecDIQJr4tWomVTBfjpyMFMOD9aDAR5gkByOIYiaQOv8P/sRztP3pS8RDAAAEUUE NQBwYAAAAAC5F6kUTLIzj/lKP2Hmpwyzukns2eweRkOH' | base64 --decode > /tmp/a $ FUZZ=script_flags ./src/test/fuzz/fuzz /tmp/a INFO: Running with entropic power schedule (0xFF, 100). INFO: Seed: 59714236 INFO: Loaded 1 modules (212532 inline 8-bit counters): 212532 [0x55987fb3f668, 0x55987fb7349c), INFO: Loaded 1 PC tables (212532 PCs): 212532 [0x55987fb734a0,0x55987feb17e0), ./src/test/fuzz/fuzz: Running 1 inputs 1 time(s) each. Running: /tmp/a fuzz: script/interpreter.cpp:1495: bool HandleMissingData(MissingDataBehavior): Assertion `!"Missing data"' failed. ==520092== ERROR: libFuzzer: deadly signal #0 0x55987f111180 in __sanitizer_print_stack_trace (/root/fuzz_dir/scratch/fuzz_gen/code/src/test/fuzz/fuzz+0x5ea180) #1 0x55987f0ba828 in fuzzer::PrintStackTrace() fuzzer.o #2 0x55987f09de43 in fuzzer::Fuzzer::CrashCallback() fuzzer.o #3 0x7fd003d563bf (/lib/x86_64-linux-gnu/libpthread.so.0+0x153bf) #4 0x7fd00399a18a in raise (/lib/x86_64-linux-gnu/libc.so.6+0x4618a) #5 0x7fd003979858 in abort (/lib/x86_64-linux-gnu/libc.so.6+0x25858) #6 0x7fd003979728 (/lib/x86_64-linux-gnu/libc.so.6+0x25728) #7 0x7fd00398af35 in __assert_fail (/lib/x86_64-linux-gnu/libc.so.6+0x36f35) #8 0x55987f8ce194 in HandleMissingData(MissingDataBehavior) /root/fuzz_dir/scratch/fuzz_gen/code/src/script/interpreter.cpp:1495:9 #9 0x55987f8ce194 in GenericTransactionSignatureChecker<CTransaction>::CheckECDSASignature(std::vector<unsigned char, std::allocator<unsigned char> > const&, std::vector<unsigned char, std::allocator<unsigned char> > const&, CScript const&, SigVersion) const /root/fuzz_dir/scratch/fuzz_gen/code/src/script/interpreter.cpp:1685:68 #10 0x55987f8cbbc8 in EvalChecksigPreTapscript(std::vector<unsigned char, std::allocator<unsigned char> > const&, std::vector<unsigned char, std::allocator<unsigned char> > const&, prevector<28u, unsigned char, unsigned int, int>::const_iterator, prevector<28u, unsigned char, unsigned int, int>::const_iterator, unsigned int, BaseSignatureChecker const&, SigVersion, ScriptError_t*, bool&) /root/fuzz_dir/scratch/fuzz_gen/code/src/script/interpreter.cpp:363:24 #11 0x55987f8cbbc8 in EvalChecksig(std::vector<unsigned char, std::allocator<unsigned char> > const&, std::vector<unsigned char, std::allocator<unsigned char> > const&, prevector<28u, unsigned char, unsigned int, int>::const_iterator, prevector<28u, unsigned char, unsigned int, int>::const_iterator, ScriptExecutionData&, unsigned int, BaseSignatureChecker const&, SigVersion, ScriptError_t*, bool&) /root/fuzz_dir/scratch/fuzz_gen/code/src/script/interpreter.cpp:421:16 #12 0x55987f8c5a01 in EvalScript(std::vector<std::vector<unsigned char, std::allocator<unsigned char> >, std::allocator<std::vector<unsigned char, std::allocator<unsigned char> > > >&, CScript const&, unsigned int, BaseSignatureChecker const&, SigVersion, ScriptExecutionData&, ScriptError_t*) /root/fuzz_dir/scratch/fuzz_gen/code/src/script/interpreter.cpp:1094:26 #13 0x55987f8d6d6e in ExecuteWitnessScript(Span<std::vector<unsigned char, std::allocator<unsigned char> > const> const&, CScript const&, unsigned int, SigVersion, BaseSignatureChecker const&, ScriptExecutionData&, ScriptError_t*) /root/fuzz_dir/scratch/fuzz_gen/code/src/script/interpreter.cpp:1843:10 #14 0x55987f8d48fc in VerifyWitnessProgram(CScriptWitness const&, int, std::vector<unsigned char, std::allocator<unsigned char> > const&, unsigned int, BaseSignatureChecker const&, ScriptError_t*, bool) /root/fuzz_dir/scratch/fuzz_gen/code/src/script/interpreter.cpp:1904:20 #15 0x55987f8d3d8b in VerifyScript(CScript const&, CScript const&, CScriptWitness const*, unsigned int, BaseSignatureChecker const&, ScriptError_t*) /root/fuzz_dir/scratch/fuzz_gen/code/src/script/interpreter.cpp:2045:22 #16 0x55987f201d47 in script_flags_fuzz_target(Span<unsigned char const>) /root/fuzz_dir/scratch/fuzz_gen/code/src/test/fuzz/script_flags.cpp:54:30 #17 0x55987f11447f in std::_Function_handler<void (Span<unsigned char const>), void (*)(Span<unsigned char const>)>::_M_invoke(std::_Any_data const&, Span<unsigned char const>&&) /usr/bin/../lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/std_function.h:300:2 #18 0x55987f8aed17 in std::function<void (Span<unsigned char const>)>::operator()(Span<unsigned char const>) const /usr/bin/../lib/gcc/x86_64-linux-gnu/9/../../../../include/c++/9/bits/std_function.h:688:14 #19 0x55987f8aed17 in LLVMFuzzerTestOneInput /root/fuzz_dir/scratch/fuzz_gen/code/src/test/fuzz/fuzz.cpp:63:5 #20 0x55987f09f5e3 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) fuzzer.o #21 0x55987f0894e2 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) fuzzer.o #22 0x55987f08f2da in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) fuzzer.o #23 0x55987f0bb002 in main (/root/fuzz_dir/scratch/fuzz_gen/code/src/test/fuzz/fuzz+0x594002) #24 0x7fd00397b0b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2) #25 0x55987f06420d in _start (/root/fuzz_dir/scratch/fuzz_gen/code/src/test/fuzz/fuzz+0x53d20d) NOTE: libFuzzer has rudimentary signal handlers. Combine libFuzzer with AddressSanitizer or similar for better crash reports. SUMMARY: libFuzzer: deadly signal ACKs for top commit: practicalswift: Tested ACK fa1fdeb2306ab86eb0ae7e8b9764bc37b1b5f04b Tree-SHA512: 6130ed9ab6d8eeab901f64a1c069300e67d0b6009c42763262fe6edeab8192e088c1a3c1f61aee900b9ebbc48fbf6e837b41704bad592ec526398355766e208a |
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build-aux/m4 | ||
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depends | ||
doc | ||
docker | ||
share | ||
src | ||
test | ||
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autogen.sh | ||
CMakeLists.txt | ||
configure.ac | ||
CONTRIBUTING.md | ||
COPYING | ||
INSTALL.md | ||
libdashconsensus.pc.in | ||
Makefile.am | ||
README.md | ||
SECURITY.md |
Dash Core staging tree 0.17
CI | master | develop |
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Gitlab |
What is Dash?
Dash is an experimental digital currency that enables instant, private payments to anyone, anywhere in the world. Dash uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. Dash Core is the name of the open source software which enables the use of this currency.
For more information, as well as an immediately useable, binary version of the Dash Core software, see https://www.dash.org/get-dash/.
License
Dash Core is released under the terms of the MIT license. See COPYING for more information or see https://opensource.org/licenses/MIT.
Development Process
The master
branch is meant to be stable. Development is normally done in separate branches.
Tags are created to indicate new official,
stable release versions of Dash Core.
The contribution workflow is described in CONTRIBUTING.md and useful hints for developers can be found in doc/developer-notes.md.
Testing
Testing and code review is the bottleneck for development; we get more pull requests than we can review and test on short notice. Please be patient and help out by testing other people's pull requests, and remember this is a security-critical project where any mistake might cost people lots of money.
Automated Testing
Developers are strongly encouraged to write unit tests for new code, and to
submit new unit tests for old code. Unit tests can be compiled and run
(assuming they weren't disabled in configure) with: make check
. Further details on running
and extending unit tests can be found in /src/test/README.md.
There are also regression and integration tests, written
in Python, that are run automatically on the build server.
These tests can be run (if the test dependencies are installed) with: test/functional/test_runner.py
The Travis CI system makes sure that every pull request is built for Windows, Linux, and macOS, and that unit/sanity tests are run automatically.
Manual Quality Assurance (QA) Testing
Changes should be tested by somebody other than the developer who wrote the code. This is especially important for large or high-risk changes. It is useful to add a test plan to the pull request description if testing the changes is not straightforward.
Translations
Changes to translations as well as new translations can be submitted to Dash Core's Transifex page.
Translations are periodically pulled from Transifex and merged into the git repository. See the translation process for details on how this works.
Important: We do not accept translation changes as GitHub pull requests because the next pull from Transifex would automatically overwrite them again.
Translators should also follow the forum.