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… corruption check in fees.dat fa1d17d refactor: Use uint64_t over size_t for serialize corruption check in fees.dat (MarcoFalke) Pull request description: Serialization should not behave differently on different architectures. See also the related commit 3789215. However, on fees.dat file corruption, 32-bit builds may run into an unsigned integer overflow and report the wrong corruption reason, or may even silently continue after the corruption. This is a bit hard to reproduce, because 32-bit platforms are rare and most of them don't support running the unsigned integer overflow sanitizer. So the possible options to reproduce are: * Run on armhf and manually annotate the code to detect the overflow * Run on i386 with the integer sanitizer (possibly via `podman run -it --rm --platform linux/i386 'debian:trixie'`) * Run the integer sanitizer on any 64-bit platform and manually replace type in the affected line by `uint32_t` Afterwards, the steps to reproduce are: ``` export DEBIAN_FRONTEND=noninteractive && apt update && apt install curl wget htop git vim ccache -y && git clone https://github.com/bitcoin/bitcoin.git --depth=1 ./b-c && cd b-c && apt install build-essential cmake pkg-config python3-zmq libzmq3-dev libevent-dev libboost-dev libsqlite3-dev systemtap-sdt-dev libcapnp-dev capnproto libqrencode-dev qt6-tools-dev qt6-l10n-tools qt6-base-dev clang llvm libc++-dev libc++abi-dev -y cmake -B ./bld-cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_COMPILER='clang' -DCMAKE_CXX_COMPILER='clang++' -DSANITIZERS=undefined,integer,float-divide-by-zero --preset=dev-mode cmake --build ./bld-cmake --parallel $(nproc) curl -fLO 'https://github.com/bitcoin-core/qa-assets/raw/b5ad78e070e4cf36beb415d7b490d948d70ba73f/fuzz_corpora/policy_estimator_io/607473137013139e3676e30ec4b29639e673fa9b' UBSAN_OPTIONS="suppressions=$(pwd)/test/sanitizer_suppressions/ubsan:print_stacktrace=1:halt_on_error=1:report_error_type=1" FUZZ=policy_estimator_io ./bld-cmake/bin/fuzz ./607473137013139e3676e30ec4b29639e673fa9b ``` The output will be something like: ``` /b-c/src/policy/fees/block_policy_estimator.cpp:448:25: runtime error: unsigned integer overflow: 346685954 * 219 cannot be represented in type 'unsigned int' #0 0x5b0b1bbe in TxConfirmStats::Read(AutoFile&, unsigned int) /b-c/bld-cmake/src/./policy/fees/block_policy_estimator.cpp:448:25 #1 0x5b0b7d3f in CBlockPolicyEstimator::Read(AutoFile&) /b-c/bld-cmake/src/./policy/fees/block_policy_estimator.cpp:1037:29 #2 0x592a9783 in policy_estimator_io_fuzz_target(std::span<unsigned char const, 4294967295u>) /b-c/bld-cmake/src/test/fuzz/./test/fuzz/policy_estimator_io.cpp:32:32 #3 0x5896ba8e in void std::__invoke_impl<void, void (*&)(std::span<unsigned char const, 4294967295u>), std::span<unsigned char const, 4294967295u>>(std::__invoke_other, void (*&)(std::span<unsigned char const, 4294967295u>), std::span<unsigned char const, 4294967295u>&&) /usr/lib/gcc/i686-linux-gnu/14/../../../../include/c++/14/bits/invoke.h:61:14 #4 0x5896b8eb in std::enable_if<is_invocable_r_v<void, void (*&)(std::span<unsigned char const, 4294967295u>), std::span<unsigned char const, 4294967295u>>, void>::type std::__invoke_r<void, void (*&)(std::span<unsigned char const, 4294967295u>), std::span<unsigned char const, 4294967295u>>(void (*&)(std::span<unsigned char const, 4294967295u>), std::span<unsigned char const, 4294967295u>&&) /usr/lib/gcc/i686-linux-gnu/14/../../../../include/c++/14/bits/invoke.h:111:2 #5 0x5896b44b in std::_Function_handler<void (std::span<unsigned char const, 4294967295u>), void (*)(std::span<unsigned char const, 4294967295u>)>::_M_invoke(std::_Any_data const&, std::span<unsigned char const, 4294967295u>&&) /usr/lib/gcc/i686-linux-gnu/14/../../../../include/c++/14/bits/std_function.h:290:9 #6 0x59845c95 in std::function<void (std::span<unsigned char const, 4294967295u>)>::operator()(std::span<unsigned char const, 4294967295u>) const /usr/lib/gcc/i686-linux-gnu/14/../../../../include/c++/14/bits/std_function.h:591:9 #7 0x5983a0da in test_one_input(std::span<unsigned char const, 4294967295u>) /b-c/bld-cmake/src/test/fuzz/util/./test/fuzz/fuzz.cpp:88:5 #8 0x5983cb80 in main /b-c/bld-cmake/src/test/fuzz/util/./test/fuzz/fuzz.cpp:271:13 bitcoin#9 0xf75aecc2 (/lib/i386-linux-gnu/libc.so.6+0x24cc2) (BuildId: 2dc5f2945fad35c1b07d1a5a32520b3c41afaa75) bitcoin#10 0xf75aed87 in __libc_start_main (/lib/i386-linux-gnu/libc.so.6+0x24d87) (BuildId: 2dc5f2945fad35c1b07d1a5a32520b3c41afaa75) bitcoin#11 0x58932db6 in _start (/b-c/bld-cmake/bin/fuzz+0x235ddb6) (BuildId: 7d8d83a77923f14e99c0de64acbc5f5bfc2cce9b) SUMMARY: UndefinedBehaviorSanitizer: unsigned-integer-overflow /b-c/src/policy/fees/block_policy_estimator.cpp:448:25 ``` Note: This is marked a "refactor", because the code change does not affect 64-bit builds, and on the still remaining rare 32-bit builds today it is extremely unlikely to happen in production. ACKs for top commit: bensig: ACK fa1d17d ismaelsadeeq: utACK fa1d17d luke-jr: Also, utACK fa1d17d as an improvement. Tree-SHA512: 696bf8e0dbe4777c84cb90e313c7f8f9ee90d4b3e64de1222f8472b2d9d0f3a0f6f027fda743dd6ca8c6aab94f404db7a65bb562a76000d9c33a8a39de28d8d4
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…ntracts 3281824 fuzz: prevent invalid `FRESH` entries and surface `BatchWrite` errors (Lőrinc) 780f460 fuzz: avoid invalid `AddCoin` overwrites (Lőrinc) d7e0d51 fuzz: make `AddCoins` query view for overwrites (Lőrinc) b8fa6f0 util: introduce `TrySub` to prevent unsigned underflow (Lőrinc) Pull request description: ### Problem This is an alternative approach to bitcoin#34647, fixes bitcoin#34645. ### Fix First, add `CheckedSub` and use it for decrements of `m_dirty_count` and `cachedCoinsUsage`, so unsigned underflows turn into immediate failures instead of silently wrapping and only failing later. <details><summary>Assertion `j <= i' failed.</summary> ```bash util/overflow.h:44 T CheckedSub(const T, const U) [T = unsigned long, U = bool]: Assertion `j <= i' failed. ==72817== ERROR: libFuzzer: deadly signal #0 0x556e9225eab5 in __sanitizer_print_stack_trace (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x191dab5) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) #1 0x556e921acafc in fuzzer::PrintStackTrace() (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x186bafc) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) #2 0x556e92191bb7 in fuzzer::Fuzzer::CrashCallback() (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x1850bb7) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) #3 0x7164cfc458cf (/lib/x86_64-linux-gnu/libc.so.6+0x458cf) (BuildId: ae7440bbdce614e0e79280c3b2e45b1df44e639c) #4 0x7164cfca49bb in __pthread_kill_implementation nptl/pthread_kill.c:43:17 #5 0x7164cfca49bb in __pthread_kill_internal nptl/pthread_kill.c:89:10 #6 0x7164cfca49bb in pthread_kill nptl/pthread_kill.c:100:10 #7 0x7164cfc4579d in raise signal/../sysdeps/posix/raise.c:26:13 #8 0x7164cfc288cc in abort stdlib/abort.c:73:3 bitcoin#9 0x556e92f9d591 in assertion_fail(std::source_location const&, std::basic_string_view<char, std::char_traits<char>>) /mnt/my_storage/bitcoin/src/util/check.cpp:41:5 bitcoin#10 0x556e9250daf0 in bool&& inline_assertion_check<false, bool>(bool&&, std::source_location const&, std::basic_string_view<char, std::char_traits<char>>) /mnt/my_storage/bitcoin/src/util/check.h:90:13 bitcoin#11 0x556e9250daf0 in unsigned long CheckedSub<unsigned long, bool>(unsigned long, bool) /mnt/my_storage/bitcoin/src/util/overflow.h:44:5 bitcoin#12 0x556e9250daf0 in CoinsViewCacheCursor::NextAndMaybeErase(std::pair<COutPoint const, CCoinsCacheEntry>&) /mnt/my_storage/bitcoin/src/coins.h:282:25 bitcoin#13 0x556e92507eb2 in (anonymous namespace)::MutationGuardCoinsViewCache::BatchWrite(CoinsViewCacheCursor&, uint256 const&) /mnt/my_storage/bitcoin/src/test/fuzz/coins_view.cpp:90:75 bitcoin#14 0x556e92c17a2b in CCoinsViewCache::Flush(bool) /mnt/my_storage/bitcoin/src/coins.cpp:282:11 bitcoin#15 0x556e924fb732 in TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_1::operator()() const /mnt/my_storage/bitcoin/src/test/fuzz/coins_view.cpp:135:34 bitcoin#16 0x556e924fb732 in unsigned long CallOneOf<TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_0, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_1, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_2, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_3, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_4, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_5, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_6, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_7, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_8, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_9, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_10, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_11>(FuzzedDataProvider&, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_0, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_1, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_2, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_3, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_4, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_5, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_6, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_7, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_8, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_9, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_10, TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_11) /mnt/my_storage/bitcoin/src/test/fuzz/util.h:42:27 bitcoin#17 0x556e924fb732 in TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool) /mnt/my_storage/bitcoin/src/test/fuzz/coins_view.cpp:114:9 bitcoin#18 0x556e92503b0c in coins_view_overlay_fuzz_target(std::span<unsigned char const, 18446744073709551615ul>) /mnt/my_storage/bitcoin/src/test/fuzz/coins_view.cpp:404:5 bitcoin#19 0x556e92bcb7a5 in std::function<void (std::span<unsigned char const, 18446744073709551615ul>)>::operator()(std::span<unsigned char const, 18446744073709551615ul>) const /usr/lib/gcc/x86_64-linux-gnu/15/../../../../include/c++/15/bits/std_function.h:593:9 bitcoin#20 0x556e92bcb7a5 in test_one_input(std::span<unsigned char const, 18446744073709551615ul>) /mnt/my_storage/bitcoin/src/test/fuzz/fuzz.cpp:88:5 bitcoin#21 0x556e92bcb7a5 in LLVMFuzzerTestOneInput /mnt/my_storage/bitcoin/src/test/fuzz/fuzz.cpp:216:5 bitcoin#22 0x556e9219318f in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x185218f) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) bitcoin#23 0x556e92192799 in fuzzer::Fuzzer::RunOne(unsigned char const*, unsigned long, bool, fuzzer::InputInfo*, bool, bool*) (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x1851799) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) bitcoin#24 0x556e92194139 in fuzzer::Fuzzer::MutateAndTestOne() (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x1853139) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) bitcoin#25 0x556e92194c95 in fuzzer::Fuzzer::Loop(std::vector<fuzzer::SizedFile, std::allocator<fuzzer::SizedFile>>&) (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x1853c95) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) bitcoin#26 0x556e92181255 in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x1840255) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) bitcoin#27 0x556e921ad696 in main (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x186c696) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) bitcoin#28 0x7164cfc2a577 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16 bitcoin#29 0x7164cfc2a63a in __libc_start_main csu/../csu/libc-start.c:360:3 bitcoin#30 0x556e921757e4 in _start (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x18347e4) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) NOTE: libFuzzer has rudimentary signal handlers. Combine libFuzzer with AddressSanitizer or similar for better crash reports. SUMMARY: libFuzzer: deadly signal MS: 2 PersAutoDict-CopyPart- DE: "\005\000"-; base unit: ecb626aff8724f0fdde38a0a6965718f2096d474 artifact_prefix='/tmp/fuzz_artifacts/'; Test unit written to /tmp/fuzz_artifacts/crash-1d19026c1a23f08bfe693fd684a56ce51187c6e5 ./build_fuzz/bin/fuzz /tmp/fuzz_corpus/coins_view_overlay -max_total_time=3600 -rss_limit_mb=2560 -artifact_prefix=/tmp/fuzz_artifacts/ >fuzz-16.log 2>&1 ``` </details> The coins view fuzz targets can call `AddCoin`/`AddCoins` and construct `BatchWrite` cursors in ways that violate `CCoinsViewCache` caller contracts. These invalid states can trigger `BatchWrite` `std::logic_error` and can desync dirty-entry accounting (caught by `Assume(m_dirty_count == 0)` currently). Make the fuzzer avoid generating invalid states instead of catching and resetting: * Derive `AddCoin`’s `possible_overwrite` from `PeekCoin`, so `possible_overwrite=false` is only used when the outpoint is absent - similarly to https://github.com/bitcoin/bitcoin/blob/67c0d1798e6147f48d4bafc2c9e5ff30f2a62340/src/test/fuzz/coinscache_sim.cpp#L312-L317 - Only use `AddCoins(check=false)` when we have confirmed the txid has no unspent outputs; otherwise fall back to `check=true` so `AddCoins` determines overwrites via the view. - When constructing a `CoinsViewCacheCursor`, avoid setting `FRESH` when the parent already has an unspent coin, and ensure `FRESH` implies `DIRTY`. ### Fuzzing The original error could be reproduced in ~10 minutes using `coins_view_overlay`. I ran the `coins_view`, `coins_view_db`, `coins_view_overlay`, and `coinscache_sim` fuzzers for this PR overnight and they didn't fail anymore. ACKs for top commit: achow101: ACK 3281824 sipa: ACK 3281824. Ran the 4 relevant fuzz tests for ~1 CPU day each. Will run more overnight. andrewtoth: ACK 3281824 Tree-SHA512: b8155e8d21740eb7800e373c27a8a1457eb84468c24af879bac5a1ed251ade2aec99c34a350a31f2ebb74e41bb7380bf20214d38d14fe23310a43282d2434fb7
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…Sync bench fa79098 test: Fix shutdown vptr race in BlockFilterIndexSync bench (MarcoFalke) Pull request description: Currently, the `BlockFilterIndexSync` may fail tsan. Diff to reproduce: ```diff diff --git a/src/validationinterface.cpp b/src/validationinterface.cpp index c7be6ab..4cb8435 100644 --- a/src/validationinterface.cpp +++ b/src/validationinterface.cpp @@ -14,2 +14,3 @@ #include <primitives/transaction.h> +#include <random.h> #include <util/check.h> @@ -156,2 +157,4 @@ void ValidationSignals::SyncWithValidationInterfaceQueue() +static FastRandomContext g_rnd{}; + // Use a macro instead of a function for conditional logging to prevent @@ -166,2 +169,3 @@ void ValidationSignals::SyncWithValidationInterfaceQueue() LOG_EVENT(fmt, local_name, __VA_ARGS__); \ + UninterruptibleSleep(1ms * g_rnd.randrange(95)); \ event(); \ ``` and then running the tsan CI pod: `MAKEJOBS="-j$(nproc)" FILE_ENV="./ci/test/00_setup_env_native_tsan.sh" ./ci/test_run_all.sh` After about 3 runs, it will fail. It is also possible to run in a loop inside the pod: `while TSAN_OPTIONS="suppressions=$(pwd)/test/sanitizer_suppressions/tsan:halt_on_error=1:second_deadlock_stack=1" /ci_container_base/ci/scratch/build-x86_64-pc-linux-gnu/bin/bench_bitcoin -filter=BlockFilterIndexSync -sanity-check ; do true ; done` The output will be: ``` Running with -sanity-check option, output is being suppressed as benchmark results will be useless. Running with -sanity-check option, output is being suppressed as benchmark results will be useless. ================== WARNING: ThreadSanitizer: data race on vptr (ctor/dtor vs virtual call) (pid=100168) Write of size 8 at 0x7fffbe828aa8 by main thread: #0 BaseIndex::~BaseIndex() /ci_container_base/src/index/base.cpp:99:1 (bench_bitcoin+0x33c201) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #1 BlockFilterIndex::~BlockFilterIndex() /ci_container_base/src/index/blockfilterindex.h:40:7 (bench_bitcoin+0x266000) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #2 BlockFilterIndexSync(ankerl::nanobench::Bench&)::$_0::operator()() const /ci_container_base/src/bench/index_blockfilter.cpp:56:5 (bench_bitcoin+0x2659a1) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #3 ankerl::nanobench::Bench& ankerl::nanobench::Bench::run<BlockFilterIndexSync(ankerl::nanobench::Bench&)::$_0>(BlockFilterIndexSync(ankerl::nanobench::Bench&)::$_0&&) /ci_container_base/src/bench/nanobench.h:1221:13 (bench_bitcoin+0x2659a1) #4 BlockFilterIndexSync(ankerl::nanobench::Bench&) /ci_container_base/src/bench/index_blockfilter.cpp:46:33 (bench_bitcoin+0x26565a) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #5 std::__1::__invoke_result_impl<void, void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&>::type std::__1::__invoke[abi:dee230000]<void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&>(void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&) /cxx_build/include/c++/v1/__type_traits/invoke.h:90:27 (bench_bitcoin+0x21b394) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #6 void std::__1::__invoke_void_return_wrapper<void, true>::__call[abi:dee230000]<void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&>(void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&) /cxx_build/include/c++/v1/__type_traits/invoke.h:350:5 (bench_bitcoin+0x21b394) #7 void std::__1::__invoke_r[abi:dee230000]<void, void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&>(void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&) /cxx_build/include/c++/v1/__type_traits/invoke.h:356:10 (bench_bitcoin+0x21b394) #8 std::__1::__function::__func<void (*)(ankerl::nanobench::Bench&), void (ankerl::nanobench::Bench&)>::operator()(ankerl::nanobench::Bench&) /cxx_build/include/c++/v1/__functional/function.h:172:12 (bench_bitcoin+0x21b394) bitcoin#9 std::__1::__function::__value_func<void (ankerl::nanobench::Bench&)>::operator()[abi:dee230000](ankerl::nanobench::Bench&) const /cxx_build/include/c++/v1/__functional/function.h:273:12 (bench_bitcoin+0x1cc77d) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) bitcoin#10 std::__1::function<void (ankerl::nanobench::Bench&)>::operator()(ankerl::nanobench::Bench&) const /cxx_build/include/c++/v1/__functional/function.h:754:10 (bench_bitcoin+0x1cc77d) bitcoin#11 benchmark::BenchRunner::RunAll(benchmark::Args const&) /ci_container_base/src/bench/bench.cpp:121:13 (bench_bitcoin+0x1cc77d) bitcoin#12 main /ci_container_base/src/bench/bench_bitcoin.cpp:135:9 (bench_bitcoin+0x1c5a76) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) Previous read of size 8 at 0x7fffbe828aa8 by thread T1: #0 ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_1::operator()() const::'lambda'(CValidationInterface&)::operator()(CValidationInterface&) const /ci_container_base/src/validationinterface.cpp:231:79 (bench_bitcoin+0x885feb) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #1 void ValidationSignalsImpl::Iterate<ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_1::operator()() const::'lambda'(CValidationInterface&)>(ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_1::operator()() const::'lambda'(CValidationInterface&)&&) /ci_container_base/src/validationinterface.cpp:91:17 (bench_bitcoin+0x885feb) #2 ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_1::operator()() const /ci_container_base/src/validationinterface.cpp:231:22 (bench_bitcoin+0x885feb) #3 ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_0::operator()() const /ci_container_base/src/validationinterface.cpp:233:27 (bench_bitcoin+0x885feb) #4 std::__1::__invoke_result_impl<void, ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_0&>::type std::__1::__invoke[abi:dee230000]<ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_0&>(ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_0&) /cxx_build/include/c++/v1/__type_traits/invoke.h:90:27 (bench_bitcoin+0x885feb) #5 void std::__1::__invoke_void_return_wrapper<void, true>::__call[abi:dee230000]<ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_0&>(ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_0&) /cxx_build/include/c++/v1/__type_traits/invoke.h:350:5 (bench_bitcoin+0x885feb) #6 void std::__1::__invoke_r[abi:dee230000]<void, ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_0&>(ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_0&) /cxx_build/include/c++/v1/__type_traits/invoke.h:356:10 (bench_bitcoin+0x885feb) #7 std::__1::__function::__func<ValidationSignals::MempoolTransactionsRemovedForBlock(std::__1::vector<RemovedMempoolTransactionInfo, std::__1::allocator<RemovedMempoolTransactionInfo>> const&, unsigned int)::$_0, void ()>::operator()() /cxx_build/include/c++/v1/__functional/function.h:172:12 (bench_bitcoin+0x885feb) #8 std::__1::__function::__value_func<void ()>::operator()[abi:dee230000]() const /cxx_build/include/c++/v1/__functional/function.h:273:12 (bench_bitcoin+0xddec83) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) bitcoin#9 std::__1::function<void ()>::operator()() const /cxx_build/include/c++/v1/__functional/function.h:754:10 (bench_bitcoin+0xddec83) bitcoin#10 SerialTaskRunner::ProcessQueue() /ci_container_base/src/scheduler.cpp:173:5 (bench_bitcoin+0xddec83) bitcoin#11 SerialTaskRunner::MaybeScheduleProcessQueue()::$_0::operator()() const /ci_container_base/src/scheduler.cpp:142:41 (bench_bitcoin+0xde08e5) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) bitcoin#12 std::__1::__invoke_result_impl<void, SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&>::type std::__1::__invoke[abi:dee230000]<SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&>(SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&) /cxx_build/include/c++/v1/__type_traits/invoke.h:90:27 (bench_bitcoin+0xde08e5) bitcoin#13 void std::__1::__invoke_void_return_wrapper<void, true>::__call[abi:dee230000]<SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&>(SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&) /cxx_build/include/c++/v1/__type_traits/invoke.h:350:5 (bench_bitcoin+0xde08e5) bitcoin#14 void std::__1::__invoke_r[abi:dee230000]<void, SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&>(SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&) /cxx_build/include/c++/v1/__type_traits/invoke.h:356:10 (bench_bitcoin+0xde08e5) bitcoin#15 std::__1::__function::__func<SerialTaskRunner::MaybeScheduleProcessQueue()::$_0, void ()>::operator()() /cxx_build/include/c++/v1/__functional/function.h:172:12 (bench_bitcoin+0xde08e5) bitcoin#16 std::__1::__function::__value_func<void ()>::operator()[abi:dee230000]() const /cxx_build/include/c++/v1/__functional/function.h:273:12 (bench_bitcoin+0xddda36) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) bitcoin#17 std::__1::function<void ()>::operator()() const /cxx_build/include/c++/v1/__functional/function.h:754:10 (bench_bitcoin+0xddda36) bitcoin#18 CScheduler::serviceQueue() /ci_container_base/src/scheduler.cpp:60:17 (bench_bitcoin+0xddda36) bitcoin#19 ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2::operator()() const /ci_container_base/src/test/util/setup_common.cpp:250:114 (bench_bitcoin+0x2dcaa8) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) bitcoin#20 std::__1::__invoke_result_impl<void, ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2&>::type std::__1::__invoke[abi:dee230000]<ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2&>(ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2&) /cxx_build/include/c++/v1/__type_traits/invoke.h:90:27 (bench_bitcoin+0x2dcaa8) bitcoin#21 void std::__1::__invoke_void_return_wrapper<void, true>::__call[abi:dee230000]<ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2&>(ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2&) /cxx_build/include/c++/v1/__type_traits/invoke.h:350:5 (bench_bitcoin+0x2dcaa8) bitcoin#22 void std::__1::__invoke_r[abi:dee230000]<void, ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2&>(ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2&) /cxx_build/include/c++/v1/__type_traits/invoke.h:356:10 (bench_bitcoin+0x2dcaa8) bitcoin#23 std::__1::__function::__func<ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2, void ()>::operator()() /cxx_build/include/c++/v1/__functional/function.h:172:12 (bench_bitcoin+0x2dcaa8) bitcoin#24 std::__1::__function::__value_func<void ()>::operator()[abi:dee230000]() const /cxx_build/include/c++/v1/__functional/function.h:273:12 (bench_bitcoin+0xef2b0b) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) bitcoin#25 std::__1::function<void ()>::operator()() const /cxx_build/include/c++/v1/__functional/function.h:754:10 (bench_bitcoin+0xef2b0b) bitcoin#26 util::TraceThread(std::__1::basic_string_view<char, std::__1::char_traits<char>>, std::__1::function<void ()>) /ci_container_base/src/util/thread.cpp:21:9 (bench_bitcoin+0xef2b0b) bitcoin#27 std::__1::__invoke_result_impl<void, void (*)(std::__1::basic_string_view<char, std::__1::char_traits<char>>, std::__1::function<void ()>), char const*, ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2>::type std::__1::__invoke[abi:dee230000]<void (*)(std::__1::basic_string_view<char, std::__1::char_traits<char>>, std::__1::function<void ()>), char const*, ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2>(void (*&&)(std::__1::basic_string_view<char, std::__1::char_traits<char>>, std::__1::function<void ()>), char const*&&, ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2&&) /cxx_build/include/c++/v1/__type_traits/invoke.h:90:27 (bench_bitcoin+0x2dc652) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) bitcoin#28 void std::__1::__thread_execute[abi:dee230000]<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, void (*)(std::__1::basic_string_view<char, std::__1::char_traits<char>>, std::__1::function<void ()>), char const*, ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2, 0ul, 1ul, 2ul>(std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, void (*)(std::__1::basic_string_view<char, std::__1::char_traits<char>>, std::__1::function<void ()>), char const*, ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2>&, std::__1::__integer_sequence<unsigned long, 0ul, 1ul, 2ul>) /cxx_build/include/c++/v1/__thread/thread.h:161:3 (bench_bitcoin+0x2dc652) bitcoin#29 void* std::__1::__thread_proxy[abi:dee230000]<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, void (*)(std::__1::basic_string_view<char, std::__1::char_traits<char>>, std::__1::function<void ()>), char const*, ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2>>(void*) /cxx_build/include/c++/v1/__thread/thread.h:169:3 (bench_bitcoin+0x2dc652) Location is stack of main thread. Thread T1 'b-scheduler' (tid=100170, running) created by main thread at: #0 pthread_create <null> (bench_bitcoin+0x13dc4e) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #1 std::__1::__libcpp_thread_create[abi:dee230000](unsigned long*, void* (*)(void*), void*) /cxx_build/include/c++/v1/__thread/support/pthread.h:182:10 (bench_bitcoin+0x2d3531) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #2 std::__1::thread::thread[abi:dee230000]<void (&)(std::__1::basic_string_view<char, std::__1::char_traits<char>>, std::__1::function<void ()>), char const (&) [10], ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2, 0>(void (&)(std::__1::basic_string_view<char, std::__1::char_traits<char>>, std::__1::function<void ()>), char const (&) [10], ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2&&) /cxx_build/include/c++/v1/__thread/thread.h:218:16 (bench_bitcoin+0x2d3531) #3 ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts) /ci_container_base/src/test/util/setup_common.cpp:250:46 (bench_bitcoin+0x2d3531) #4 TestingSetup::TestingSetup(ChainType, TestOpts) /ci_container_base/src/test/util/setup_common.cpp:344:7 (bench_bitcoin+0x2d4c1f) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #5 TestChain100Setup::TestChain100Setup(ChainType, TestOpts) /ci_container_base/src/test/util/setup_common.cpp:380:7 (bench_bitcoin+0x2d560a) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #6 std::__1::unique_ptr<TestChain100Setup, std::__1::default_delete<TestChain100Setup>> std::__1::make_unique[abi:dee230000]<TestChain100Setup, ChainType const&, TestOpts&, 0>(ChainType const&, TestOpts&) /cxx_build/include/c++/v1/__memory/unique_ptr.h:756:30 (bench_bitcoin+0x224eed) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #7 std::__1::unique_ptr<TestChain100Setup, std::__1::default_delete<TestChain100Setup>> MakeNoLogFileContext<TestChain100Setup>(ChainType, TestOpts) /ci_container_base/src/test/util/setup_common.h:259:12 (bench_bitcoin+0x224ce2) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #8 BlockFilterIndexSync(ankerl::nanobench::Bench&) /ci_container_base/src/bench/index_blockfilter.cpp:33:29 (bench_bitcoin+0x26530f) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) bitcoin#9 std::__1::__invoke_result_impl<void, void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&>::type std::__1::__invoke[abi:dee230000]<void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&>(void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&) /cxx_build/include/c++/v1/__type_traits/invoke.h:90:27 (bench_bitcoin+0x21b394) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) bitcoin#10 void std::__1::__invoke_void_return_wrapper<void, true>::__call[abi:dee230000]<void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&>(void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&) /cxx_build/include/c++/v1/__type_traits/invoke.h:350:5 (bench_bitcoin+0x21b394) bitcoin#11 void std::__1::__invoke_r[abi:dee230000]<void, void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&>(void (*&)(ankerl::nanobench::Bench&), ankerl::nanobench::Bench&) /cxx_build/include/c++/v1/__type_traits/invoke.h:356:10 (bench_bitcoin+0x21b394) bitcoin#12 std::__1::__function::__func<void (*)(ankerl::nanobench::Bench&), void (ankerl::nanobench::Bench&)>::operator()(ankerl::nanobench::Bench&) /cxx_build/include/c++/v1/__functional/function.h:172:12 (bench_bitcoin+0x21b394) bitcoin#13 std::__1::__function::__value_func<void (ankerl::nanobench::Bench&)>::operator()[abi:dee230000](ankerl::nanobench::Bench&) const /cxx_build/include/c++/v1/__functional/function.h:273:12 (bench_bitcoin+0x1cc77d) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) bitcoin#14 std::__1::function<void (ankerl::nanobench::Bench&)>::operator()(ankerl::nanobench::Bench&) const /cxx_build/include/c++/v1/__functional/function.h:754:10 (bench_bitcoin+0x1cc77d) bitcoin#15 benchmark::BenchRunner::RunAll(benchmark::Args const&) /ci_container_base/src/bench/bench.cpp:121:13 (bench_bitcoin+0x1cc77d) bitcoin#16 main /ci_container_base/src/bench/bench_bitcoin.cpp:135:9 (bench_bitcoin+0x1c5a76) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) SUMMARY: ThreadSanitizer: data race on vptr (ctor/dtor vs virtual call) /ci_container_base/src/index/base.cpp:99:1 in BaseIndex::~BaseIndex() ================== ``` Fix this by following the shutdown sequence of first stopping the index and then desctructing it, instead of doing both at the same time (stopping inside the desctructor). Also, apply the comment `// Shutdown sequence (c.f. Shutdown() in init.cpp)` consistently, while touching this topic of the codebase. Also, remove the unused `SyncWithValidationInterfaceQueue`, which is redundant to the prior `BlockUntilSyncedToCurrentChain`. See also the last comment in the pull request that introduced this: bitcoin#26188 (comment) > I think anything is fine here. Either keep both or delete both. Given that devs did not apply the redundant sync in two new cases, it seems fine to remove it. ACKs for top commit: achow101: ACK fa79098 sedited: ACK fa79098 Tree-SHA512: 3f46df283fa5f639e942b74459760104b79f11930b4249f73405f052131f69d01e91a8a4df496ca4f380fd2e0cb8d8c34f70f3e2b84730f3b8f445a98e468d1d
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Apr 22, 2026
…t of decodepsbt_inputs d517fa0 rpc: fix initialization-order-fiasco by lazy-init of decodepsbt_inputs (Eugene Siegel) Pull request description: Prior to this commit, `decodepsbt_inputs` would call `TxDoc` during initialization which lives in another TLU. `TxDoc` relies on `CURRENCY_UNIT` to be initialized when it may not have been (note this is different from the TLU containing `decodepsbt_inputs` which also has a `CURRENCY_UNIT`). Fix this by lazy initializing `decodepsbt_inputs`. Also prevent the issue in the future by doing the same for `decodepsbt_outputs` and `getblock_vin`. Curious why the CI missed this, it broke fuzzamoto. It was introduced in fadf901. I was able to trigger this with clang-21 and `ASAN_OPTIONS="detect_stack_use_after_return=1:check_initialization_order=1:strict_init_order=1"`: ``` ================================================================= ==926804==ERROR: AddressSanitizer: initialization-order-fiasco on address 0x5631e5784288 at pc 0x5631e3309f9c bp 0x7ffdb6abc7b0 sp 0x7ffdb6abc7a8 READ of size 8 at 0x5631e5784288 thread T0 #0 0x5631e3309f9b in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>::size() const /usr/lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12/bits/basic_string.h:1064:16 #1 0x5631e3309f9b in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> std::operator+<char, std::char_traits<char>, std::allocator<char>>(char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&) /usr/lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12/bits/basic_string.tcc:618:35 #2 0x5631e4238948 in TxDoc(TxDocOptions const&) /root/bitcoin/src/rpc/rawtransaction_util.cpp:382:76 #3 0x5631e316945e in __cxx_global_var_init.9 /root/bitcoin/src/rpc/rawtransaction.cpp:784:17 #4 0x5631e3186355 in _GLOBAL__sub_I_rawtransaction.cpp /root/bitcoin/src/rpc/rawtransaction.cpp #5 0x7fa6ca046375 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x27375) (BuildId: 79005c16293efa45b441fed45f4f29b138557e9e) #6 0x5631e31cf160 in _start (/root/bitcoin/build/bin/bitcoind+0x25b160) 0x5631e5784288 is located 56 bytes before global variable 'CURRENCY_ATOM[abi:cxx11]' defined in '/root/bitcoin/src/policy/feerate.h:20' (0x5631e57842c0) of size 32 registered at: #0 0x5631e31e5738 in __asan_register_globals /root/llvm-project/compiler-rt/lib/asan/asan_globals.cpp:431:3 #1 0x5631e31e68a9 in __asan_register_elf_globals /root/llvm-project/compiler-rt/lib/asan/asan_globals.cpp:414:3 0x5631e5784288 is located 8 bytes inside of global variable 'CURRENCY_UNIT[abi:cxx11]' defined in '/root/bitcoin/src/policy/feerate.h:19' (0x5631e5784280) of size 32 registered at: #0 0x5631e31e5738 in __asan_register_globals /root/llvm-project/compiler-rt/lib/asan/asan_globals.cpp:431:3 #1 0x5631e31e68a9 in __asan_register_elf_globals /root/llvm-project/compiler-rt/lib/asan/asan_globals.cpp:414:3 SUMMARY: AddressSanitizer: initialization-order-fiasco /root/bitcoin/src/rpc/rawtransaction_util.cpp:382:76 in TxDoc(TxDocOptions const&) Shadow bytes around the buggy address: 0x5631e5784000: f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 0x5631e5784080: f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 0x5631e5784100: f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 0x5631e5784180: f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 0x5631e5784200: f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 =>0x5631e5784280: f6[f6]f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 0x5631e5784300: f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 0x5631e5784380: f6 f6 f6 f6 01 f9 f9 f9 f6 f6 f6 f6 f6 f6 f6 f6 0x5631e5784400: f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 0x5631e5784480: f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 0x5631e5784500: f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 f6 00 00 00 00 Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb ==926804==ABORTING ``` Can be reviewed with `git diff HEAD~1 -w` since it's mostly indentation. ACKs for top commit: davidgumberg: crACK bitcoin@d517fa0 nervana21: tACK d517fa0 dergoegge: tACK d517fa0 Tree-SHA512: cfcaf4baccbb5748ab10ba5537cfacf38d7137b7ff051ccb9aba0f673718be1532487586b4f4e6d2f4526ca1786733009bd73a870d79a966b9c1fb38f7aaf5cc
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This PR should not be merged and should continue to not have any silent merge conflicts when PR #7 is merged.