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Ryan Ofsky 78fa88c53a
Merge bitcoin/bitcoin#31548: fuzz: Abort when global PRNG is used before SeedRand::ZEROS 
fa3c787b62 fuzz: Abort when global PRNG is used before SeedRand::ZEROS (MarcoFalke)

Pull request description:

  This adds one more check to abort when global PRNG is used before SeedRand::ZEROS in fuzz tests. This is achieved by carving out the two remaining uses. First, `g_rng_temp_path_init`, and second the random fallback for `RANDOM_CTX_SEED`, which isn't used in fuzz tests anyway.

  Requested in https://github.com/bitcoin/bitcoin/pull/31521#issuecomment-2554669015

  Can be tested by reverting fadd568931 and observing an abort when running the `utxo_total_supply` fuzz target.

ACKs for top commit:
  marcofleon:
    ACK fa3c787b62
  hodlinator:
    re-ACK fa3c787b62
  ryanofsky:
    Code review ACK fa3c787b62. This adds a new check to make that sure that RNG is never seeded during fuzzing after the RNG has been used. Together with existing checks which ensure RNG can only be seeded with zeroes during fuzzing, and that RNG must was seeded at some point if used after fuzzing, this implies it must have been seeded by zeros before being used.

Tree-SHA512: 2614928d31c310309bd9021b3e5637b35f64196020fbf9409e978628799691d0efd3f4cf606be9a2db0ef60b010f890c2e70c910eaa2934a7fbf64cd1598fe22
2025-01-22 12:40:21 -05:00
.github ci: Add missing --combinedlogslen to test-each-commit task 2025-01-21 15:34:39 +01:00
.tx qt: Bump Transifex slug for 28.x 2024-07-30 16:14:19 +01:00
ci Merge bitcoin/bitcoin#31593: ci: Bump centos stream 10 2025-01-20 16:11:58 +00:00
cmake build: remove LEVELDB_IS_BIG_ENDIAN 2025-01-16 11:10:23 +00:00
contrib Merge bitcoin/bitcoin#31623: tracing: Rename the MIN macro to _TRACEPOINT_TEST_MIN in log_raw_p2p_msgs 2025-01-10 11:23:32 +00:00
depends depends: Override default build type for libevent 2025-01-21 10:39:11 +00:00
doc Merge bitcoin/bitcoin#31690: doc: Amend notes on benchmarking 2025-01-22 16:44:58 +00:00
share build: Rename PACKAGE_* variables to CLIENT_* 2024-10-28 12:35:55 +00:00
src Merge bitcoin/bitcoin#31548: fuzz: Abort when global PRNG is used before SeedRand::ZEROS 2025-01-22 12:40:21 -05:00
test test: Bump sync_mempools timeout in p2p_1p1c_network.py 2025-01-21 15:34:51 +01:00
.cirrus.yml ci: Bump centos stream 10 2025-01-17 15:34:11 +01:00
.editorconfig code style: update .editorconfig file 2024-09-13 17:55:10 +02:00
.gitattributes Separate protocol versioning from clientversion 2014-10-29 00:24:40 -04:00
.gitignore build: Remove Autotools-based build system 2024-08-30 21:31:39 +01:00
.python-version Bump python minimum supported version to 3.10 2024-08-28 15:53:07 +02:00
.style.yapf Update .style.yapf 2023-06-01 23:35:10 +05:30
CMakeLists.txt Merge bitcoin/bitcoin#31543: cmake: Always provide RPATH on NetBSD 2025-01-17 14:11:33 +00:00
CMakePresets.json cmake: Remove unused BUILD_TESTING variable from "dev-mode" preset 2024-12-19 22:25:11 +00:00
CONTRIBUTING.md doc: remove PR Review Club frequency 2024-11-20 11:16:39 +01:00
COPYING doc: upgrade license to 2025. 2025-01-06 12:23:11 +00:00
INSTALL.md doc: Added hyperlink for doc/build 2021-09-09 19:53:12 +05:30
libbitcoinkernel.pc.in build: Rename PACKAGE_* variables to CLIENT_* 2024-10-28 12:35:55 +00:00
README.md doc: cmake: prepend and explain "build/" where needed 2024-10-11 11:24:21 -06:00
SECURITY.md Update security.md contact for achow101 2023-12-14 18:14:54 -05:00
vcpkg.json Remove wallet::ParseISO8601DateTime, use ParseISO8601DateTime instead 2024-12-02 15:09:31 +01:00

README.md

Bitcoin Core integration/staging tree

https://bitcoincore.org

For an immediately usable, binary version of the Bitcoin Core software, see https://bitcoincore.org/en/download/.

What is Bitcoin Core?

Bitcoin Core connects to the Bitcoin peer-to-peer network to download and fully validate blocks and transactions. It also includes a wallet and graphical user interface, which can be optionally built.

Further information about Bitcoin Core is available in the doc folder.

License

Bitcoin 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 regularly built (see doc/build-*.md for instructions) and tested, but it is not guaranteed to be completely stable. Tags are created regularly from release branches to indicate new official, stable release versions of Bitcoin Core.

The https://github.com/bitcoin-core/gui repository is used exclusively for the development of the GUI. Its master branch is identical in all monotree repositories. Release branches and tags do not exist, so please do not fork that repository unless it is for development reasons.

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 during the generation of the build system) with: ctest. 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. These tests can be run (if the test dependencies are installed) with: build/test/functional/test_runner.py (assuming build is your build directory).

The CI (Continuous Integration) systems make 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 Bitcoin 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.