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l0rinc
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Apr 22, 2025
Introduce a long‑lived `SecureString` passphrase instead of passing a string literal into `MigrateLegacyToDescriptor`. This avoids constructing a temporary `SecureString` per invocation and prevents dangling‑pointer issues inside the migration logic. ``` error: bench_bitcoin 0x00067927: DW_TAG_member '_M_local_buf' refers to type 0x00000000000b3ba7 which extends beyond the bounds of 0x0006791d * thread #1, name = 'b-test', stop reason = signal SIGSEGV: address not mapped to object (fault address: 0xc8) * frame #0: 0x00005555556a3f33 bench_bitcoinstd::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&) [inlined] std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>::length(this=<unavailable>) const at basic_string.h:1079:16 ```
l0rinc
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Apr 22, 2025
Introduce a long‑lived `SecureString` passphrase instead of passing a string literal into `MigrateLegacyToDescriptor`. This avoids constructing a temporary `SecureString` per invocation and prevents dangling‑pointer issues inside the migration logic. ``` error: bench_bitcoin 0x00067927: DW_TAG_member '_M_local_buf' refers to type 0x00000000000b3ba7 which extends beyond the bounds of 0x0006791d * thread #1, name = 'b-test', stop reason = signal SIGSEGV: address not mapped to object (fault address: 0xc8) * frame #0: 0x00005555556a3f33 bench_bitcoinstd::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&) [inlined] std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>::length(this=<unavailable>) const at basic_string.h:1079:16 ```
l0rinc
added a commit
that referenced
this pull request
Apr 22, 2025
Introduce a long‑lived `SecureString` passphrase instead of passing a string literal into `MigrateLegacyToDescriptor`. This avoids constructing a temporary `SecureString` per invocation and prevents dangling‑pointer issues inside the migration logic. ``` error: bench_bitcoin 0x00067927: DW_TAG_member '_M_local_buf' refers to type 0x00000000000b3ba7 which extends beyond the bounds of 0x0006791d * thread #1, name = 'b-test', stop reason = signal SIGSEGV: address not mapped to object (fault address: 0xc8) * frame #0: 0x00005555556a3f33 bench_bitcoinstd::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&) [inlined] std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>::length(this=<unavailable>) const at basic_string.h:1079:16 ```
l0rinc
added a commit
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Apr 22, 2025
Introduce a long‑lived `SecureString` passphrase instead of passing a string literal into `MigrateLegacyToDescriptor`. This avoids constructing a temporary `SecureString` per invocation and prevents dangling‑pointer issues inside the migration logic. ``` error: bench_bitcoin 0x00067927: DW_TAG_member '_M_local_buf' refers to type 0x00000000000b3ba7 which extends beyond the bounds of 0x0006791d * thread #1, name = 'b-test', stop reason = signal SIGSEGV: address not mapped to object (fault address: 0xc8) * frame #0: 0x00005555556a3f33 bench_bitcoinstd::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&) [inlined] std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>::length(this=<unavailable>) const at basic_string.h:1079:16 ```
l0rinc
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Apr 23, 2025
cad39f8 bench: ensure wallet migration benchmark runs exactly once (Lőrinc) c1f458a ci: re-enable all benchmark runs (Lőrinc) 1da11db bench: clean up migrated descriptor wallets via loader teardown (Lőrinc) Pull request description: The low-priority `WalletMigration` benchmark existed for some time but was never run automatically in our CI. Although the failure first surfaced on Windows as a hang during temporary directory cleanup, it could also be reproduced on Linux and macOS when forcing multiple iterations (e.g. via a long `--min-time`). ### Root causes 1. **Leaked open wallets on Windows** `MigrateLegacyToDescriptor` produces two new descriptor wallets (the primary spendable wallet and a companion watch‑only wallet). Without unloading them, their database files remained open in the `WalletContext`, blocking directory removal and hanging the test harness. <details><summary>Details</summary> ```bash what(): filesystem error: cannot remove all: The process cannot access the file because it is being used by another process [C:\Users\RUNNER\~1\AppData\Local\Temp\test_common bitcoin\WalletMigration\d8ffd89a7700ce01c31f] [C:\Users\RUNNER~1\AppData\Local\Temp\test_common bitcoin\WalletMigration\d8ffd89a7700ce01c31f\regtest\wallet.dat] ``` </details> 2. **Undefined behavior on repeated runs** The benchmark body calls `std::move(wallet)`, invalidating the local `wallet` pointer. Running more than one iteration causes a use-after-move by the sanitizers. <details><summary>Details</summary> ```bash error: bench_bitcoin 0x00067927: DW_TAG_member '_M_local_buf' refers to type 0x00000000000b3ba7 which extends beyond the bounds of 0x0006791d * thread #1, name = 'b-test', stop reason = signal SIGSEGV: address not mapped to object (fault address: 0xc8) * frame #0: 0x00005555556a3f33 bench_bitcoin`... basic_string<char>::length(this=<unavailable>) const at basic_string.h:1079:16 ``` </details> ### Fixes - **Automatic wallet teardown** Wrap the benchmark in a `MakeWalletLoader` (owning a `WalletContext`), so that both migrated wallets are unloaded when the loader goes out of scope, eliminating any lingering open files. - **Re-enable benchmarks in CI** Drop the temporary filter in GitHub Actions. The `-sanity-check` run already executes each benchmark once, so `WalletMigration` now runs automatically without hangs or crashes. - **Single iteration** Configure the microbenchmark with `.epochs(1).epochIterations(1)`, ensuring the migration code runs exactly once and avoiding use-after-move. No measurable change in benchmark performance. ACKs for top commit: maflcko: review ACK cad39f8 🍥 furszy: utACK cad39f8 hebasto: ACK cad39f8, tested on Ubuntu 25.04. Tree-SHA512: 10343ce7ab9b63ba4f51a7673018215577ea7ec188e41d535a66d69d73b85bca6ba301c33f6920c02f8f7d686c75c65c4a4e9bdafb04b60be85d66aa743cfa20
l0rinc
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May 10, 2025
These were fixed im previous commits:
INFO: Seed: 3018625440
INFO: Loaded 1 modules (641435 inline 8-bit counters): 641435 [0x5810b64ebb78, 0x5810b6588513),
INFO: Loaded 1 PC tables (641435 PCs): 641435 [0x5810b6588518,0x5810b6f51ec8),
INFO: 1859 files found in /ci_container_base/ci/scratch/qa-assets/fuzz_corpora/coins_view
INFO: -max_len is not provided; libFuzzer will not generate inputs larger than 1005297 bytes
INFO: seed corpus: files: 1859 min: 2b max: 1005297b total: 48403597b rss: 111Mb
/ci_container_base/src/coins.cpp:133:22: runtime error: unsigned integer overflow: 0 - 64 cannot be represented in type 'size_t' (aka 'unsigned long')
#0 0x5810b3768b67 in CCoinsViewCache::SpendCoin(COutPoint const&, Coin*) /ci_container_base/ci/scratch/build-x86_64-pc-linux-gnu/src/./coins.cpp:133:22
#1 0x5810b3095ff0 in coins_view_fuzz_target(std::span<unsigned char const, 18446744073709551615ul>)::$_4::operator()() const /ci_container_base/ci/scratch/build-x86_64-pc-linux-gnu/src/test/fuzz
/./test/fuzz/coins_view.cpp:87:40
...
SUMMARY: UndefinedBehaviorSanitizer: unsigned-integer-overflow /ci_container_base/src/coins.cpp:133:22
l0rinc
added a commit
that referenced
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May 10, 2025
These were fixed im previous commits:
INFO: Seed: 3018625440
INFO: Loaded 1 modules (641435 inline 8-bit counters): 641435 [0x5810b64ebb78, 0x5810b6588513),
INFO: Loaded 1 PC tables (641435 PCs): 641435 [0x5810b6588518,0x5810b6f51ec8),
INFO: 1859 files found in /ci_container_base/ci/scratch/qa-assets/fuzz_corpora/coins_view
INFO: -max_len is not provided; libFuzzer will not generate inputs larger than 1005297 bytes
INFO: seed corpus: files: 1859 min: 2b max: 1005297b total: 48403597b rss: 111Mb
/ci_container_base/src/coins.cpp:133:22: runtime error: unsigned integer overflow: 0 - 64 cannot be represented in type 'size_t' (aka 'unsigned long')
#0 0x5810b3768b67 in CCoinsViewCache::SpendCoin(COutPoint const&, Coin*) /ci_container_base/ci/scratch/build-x86_64-pc-linux-gnu/src/./coins.cpp:133:22
#1 0x5810b3095ff0 in coins_view_fuzz_target(std::span<unsigned char const, 18446744073709551615ul>)::$_4::operator()() const /ci_container_base/ci/scratch/build-x86_64-pc-linux-gnu/src/test/fuzz
/./test/fuzz/coins_view.cpp:87:40
...
SUMMARY: UndefinedBehaviorSanitizer: unsigned-integer-overflow /ci_container_base/src/coins.cpp:133:22
l0rinc
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Jun 25, 2025
Using Clang clang version 20.1.6 (Fedora 20.1.6-9.fc43) and:
```bash
export CC=clang
export CXX=clang++
cmake -B build -DBUILD_GUI=ON -DSANITIZERS=address
cmake --build build
export LSAN_OPTIONS="suppressions=/root/bitcoin/test/sanitizer_suppressions/lsan"
ctest --test-dir build
```
```bash
Totals: 3 passed, 0 failed, 0 skipped, 0 blacklisted, 1589ms
********* Finished testing of AddressBookTests *********
=================================================================
==21869==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 88 byte(s) in 1 object(s) allocated from:
#0 0xaaaab5d5af40 in operator new(unsigned long) (/root/bitcoin/build/bin/test_bitcoin-qt+0x39af40) (BuildId: c0e038f1c507ea6860d1cfd499ac54ad83359872)
#1 0xffff8c8f56cc in QLayoutPrivate::createWidgetItem(QLayout const*, QWidget*) (/lib64/libQt6Widgets.so.6+0x1a56cc) (BuildId: 8b7b9e470f4d4cd920282a4f963abb01225814fa)
#2 0xffff8c8d2f90 in QBoxLayout::insertWidget(int, QWidget*, int, QFlags<Qt::AlignmentFlag>) (/lib64/libQt6Widgets.so.6+0x182f90) (BuildId: 8b7b9e470f4d4cd920282a4f963abb01225814fa)
#3 0xaaaab5fc7188 in SendCoinsDialog::addEntry() /root/bitcoin/build/src/qt/./qt/sendcoinsdialog.cpp:596:18
#4 0xaaaab5fc4eec in SendCoinsDialog::SendCoinsDialog(PlatformStyle const*, QWidget*) /root/bitcoin/build/src/qt/./qt/sendcoinsdialog.cpp:84:5
#5 0xaaaab5da67ac in (anonymous namespace)::MiniGUI::MiniGUI(interfaces::Node&, PlatformStyle const*) /root/bitcoin/build/src/qt/test/./qt/test/wallettests.cpp:235:75
#6 0xaaaab5da2000 in (anonymous namespace)::TestGUI(interfaces::Node&, std::shared_ptr<wallet::CWallet> const&) /root/bitcoin/build/src/qt/test/./qt/test/wallettests.cpp:270:13
#7 0xaaaab5d9ebc8 in (anonymous namespace)::TestGUI(interfaces::Node&) /root/bitcoin/build/src/qt/test/./qt/test/wallettests.cpp:453:5
#8 0xaaaab5d9ebc8 in WalletTests::walletTests() /root/bitcoin/build/src/qt/test/./qt/test/wallettests.cpp:475:5
#9 0xffff8b1c5314 in QMetaMethodInvoker::invokeImpl(QMetaMethod, void*, Qt::ConnectionType, long long, void const* const*, char const* const*, QtPrivate::QMetaTypeInterface const* const*) (/lib64/libQt6Core.so.6+0x195314) (BuildId: eacb2d1228362560e5df1a1ce496c99ad61960e7)
#10 0xffff8b1c5dc8 in QMetaMethod::invokeImpl(QMetaMethod, void*, Qt::ConnectionType, long long, void const* const*, char const* const*, QtPrivate::QMetaTypeInterface const* const*) (/lib64/libQt6Core.so.6+0x195dc8) (BuildId: eacb2d1228362560e5df1a1ce496c99ad61960e7)
#11 0xffff8cf57c54 (/lib64/libQt6Test.so.6+0x27c54) (BuildId: 96bb1cdeead53af0ced36d7970cf9cd79c4c4ccd)
#12 0xffff8cf5fa18 (/lib64/libQt6Test.so.6+0x2fa18) (BuildId: 96bb1cdeead53af0ced36d7970cf9cd79c4c4ccd)
#13 0xffff8cf6067c (/lib64/libQt6Test.so.6+0x3067c) (BuildId: 96bb1cdeead53af0ced36d7970cf9cd79c4c4ccd)
#14 0xffff8cf610a4 (/lib64/libQt6Test.so.6+0x310a4) (BuildId: 96bb1cdeead53af0ced36d7970cf9cd79c4c4ccd)
#15 0xffff8cf61aa4 in QTest::qRun() (/lib64/libQt6Test.so.6+0x31aa4) (BuildId: 96bb1cdeead53af0ced36d7970cf9cd79c4c4ccd)
#16 0xffff8cf61eb4 in QTest::qExec(QObject*, int, char**) (/lib64/libQt6Test.so.6+0x31eb4) (BuildId: 96bb1cdeead53af0ced36d7970cf9cd79c4c4ccd)
#17 0xaaaab5d7d77c in main /root/bitcoin/build/src/qt/test/./qt/test/test_main.cpp:95:30
#18 0xffff8aad6398 in __libc_start_call_main (/lib64/libc.so.6+0x26398) (BuildId: 627f878dd454ee3cc1dfdbd347bb565f1ffb53e7)
#19 0xffff8aad6478 in __libc_start_main@GLIBC_2.17 (/lib64/libc.so.6+0x26478) (BuildId: 627f878dd454ee3cc1dfdbd347bb565f1ffb53e7)
#20 0xaaaab5c74cac in _start (/root/bitcoin/build/bin/test_bitcoin-qt+0x2b4cac) (BuildId: c0e038f1c507ea6860d1cfd499ac54ad83359872)
```
This happens when building using depends:
```bash
Indirect leak of 24 byte(s) in 1 object(s) allocated from:
#0 0xaaaabdbe86f8 in malloc (/root/bitcoin/build/bin/test_bitcoin-qt+0x4386f8) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#1 0xfbff97f8c164 (<unknown module>)
#2 0xaaaabf0cfaa4 in QDBusConnectionPrivate::QDBusConnectionPrivate() (/root/bitcoin/build/bin/test_bitcoin-qt+0x191faa4) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#3 0xaaaabf0c9e30 in QDBusConnectionManager::doConnectToStandardBus(QDBusConnection::BusType, QString const&, bool) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1919e30) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#4 0xaaaabf0cb0e4 in QtPrivate::QCallableObject<QDBusConnectionPrivate* (QDBusConnectionManager::*)(QDBusConnection::BusType, QString const&, bool), QtPrivate::List<QDBusConnection::BusType&, QString const&, bool&>, QDBusConnectionPrivate*>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (/root/bitcoin/build/bin/test_bitcoin-qt+0x191b0e4) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#5 0xaaaabf5cbaf0 in QObject::event(QEvent*) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1e1baf0) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#6 0xaaaabf5a4ce0 in QCoreApplicationPrivate::notify_helper(QObject*, QEvent*) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1df4ce0) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#7 0xaaaabf5a486c in QCoreApplication::notifyInternal2(QObject*, QEvent*) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1df486c) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#8 0xaaaabf5a575c in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1df575c) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#9 0xaaaabf66b858 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1ebb858) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#10 0xaaaabf5a9e3c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1df9e3c) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#11 0xaaaabf632a44 in QThread::exec() (/root/bitcoin/build/bin/test_bitcoin-qt+0x1e82a44) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#12 0xaaaabf0c9bd0 in QDBusConnectionManager::run() (/root/bitcoin/build/bin/test_bitcoin-qt+0x1919bd0) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#13 0xaaaabf669c30 in QThreadPrivate::start(void*) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1eb9c30) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5)
#14 0xaaaabdbe5f2c in asan_thread_start(void*) asan_interceptors.cpp.o
#15 0xffff99538608 in thread_start (/lib64/libc.so.6+0xf8608) (BuildId: 627f878dd454ee3cc1dfdbd347bb565f1ffb53e7)
SUMMARY: AddressSanitizer: 3592 byte(s) leaked in 37 allocation(s).
```
l0rinc
pushed a commit
that referenced
this pull request
Jun 25, 2025
5be31b2 lsan: add more Qt suppressions (fanquake) Pull request description: Using Clang clang version 20.1.6 (Fedora 20.1.6-9.fc43) and: ```bash export CC=clang export CXX=clang++ cmake -B build -DBUILD_GUI=ON -DSANITIZERS=address cmake --build build export LSAN_OPTIONS="suppressions=/root/bitcoin/test/sanitizer_suppressions/lsan" ctest --test-dir build ``` ```bash Totals: 3 passed, 0 failed, 0 skipped, 0 blacklisted, 1589ms ********* Finished testing of AddressBookTests ********* ================================================================= ==21869==ERROR: LeakSanitizer: detected memory leaks Direct leak of 88 byte(s) in 1 object(s) allocated from: #0 0xaaaab5d5af40 in operator new(unsigned long) (/root/bitcoin/build/bin/test_bitcoin-qt+0x39af40) (BuildId: c0e038f1c507ea6860d1cfd499ac54ad83359872) #1 0xffff8c8f56cc in QLayoutPrivate::createWidgetItem(QLayout const*, QWidget*) (/lib64/libQt6Widgets.so.6+0x1a56cc) (BuildId: 8b7b9e470f4d4cd920282a4f963abb01225814fa) #2 0xffff8c8d2f90 in QBoxLayout::insertWidget(int, QWidget*, int, QFlags<Qt::AlignmentFlag>) (/lib64/libQt6Widgets.so.6+0x182f90) (BuildId: 8b7b9e470f4d4cd920282a4f963abb01225814fa) #3 0xaaaab5fc7188 in SendCoinsDialog::addEntry() /root/bitcoin/build/src/qt/./qt/sendcoinsdialog.cpp:596:18 #4 0xaaaab5fc4eec in SendCoinsDialog::SendCoinsDialog(PlatformStyle const*, QWidget*) /root/bitcoin/build/src/qt/./qt/sendcoinsdialog.cpp:84:5 #5 0xaaaab5da67ac in (anonymous namespace)::MiniGUI::MiniGUI(interfaces::Node&, PlatformStyle const*) /root/bitcoin/build/src/qt/test/./qt/test/wallettests.cpp:235:75 #6 0xaaaab5da2000 in (anonymous namespace)::TestGUI(interfaces::Node&, std::shared_ptr<wallet::CWallet> const&) /root/bitcoin/build/src/qt/test/./qt/test/wallettests.cpp:270:13 #7 0xaaaab5d9ebc8 in (anonymous namespace)::TestGUI(interfaces::Node&) /root/bitcoin/build/src/qt/test/./qt/test/wallettests.cpp:453:5 #8 0xaaaab5d9ebc8 in WalletTests::walletTests() /root/bitcoin/build/src/qt/test/./qt/test/wallettests.cpp:475:5 #9 0xffff8b1c5314 in QMetaMethodInvoker::invokeImpl(QMetaMethod, void*, Qt::ConnectionType, long long, void const* const*, char const* const*, QtPrivate::QMetaTypeInterface const* const*) (/lib64/libQt6Core.so.6+0x195314) (BuildId: eacb2d1228362560e5df1a1ce496c99ad61960e7) #10 0xffff8b1c5dc8 in QMetaMethod::invokeImpl(QMetaMethod, void*, Qt::ConnectionType, long long, void const* const*, char const* const*, QtPrivate::QMetaTypeInterface const* const*) (/lib64/libQt6Core.so.6+0x195dc8) (BuildId: eacb2d1228362560e5df1a1ce496c99ad61960e7) #11 0xffff8cf57c54 (/lib64/libQt6Test.so.6+0x27c54) (BuildId: 96bb1cdeead53af0ced36d7970cf9cd79c4c4ccd) #12 0xffff8cf5fa18 (/lib64/libQt6Test.so.6+0x2fa18) (BuildId: 96bb1cdeead53af0ced36d7970cf9cd79c4c4ccd) #13 0xffff8cf6067c (/lib64/libQt6Test.so.6+0x3067c) (BuildId: 96bb1cdeead53af0ced36d7970cf9cd79c4c4ccd) #14 0xffff8cf610a4 (/lib64/libQt6Test.so.6+0x310a4) (BuildId: 96bb1cdeead53af0ced36d7970cf9cd79c4c4ccd) #15 0xffff8cf61aa4 in QTest::qRun() (/lib64/libQt6Test.so.6+0x31aa4) (BuildId: 96bb1cdeead53af0ced36d7970cf9cd79c4c4ccd) #16 0xffff8cf61eb4 in QTest::qExec(QObject*, int, char**) (/lib64/libQt6Test.so.6+0x31eb4) (BuildId: 96bb1cdeead53af0ced36d7970cf9cd79c4c4ccd) #17 0xaaaab5d7d77c in main /root/bitcoin/build/src/qt/test/./qt/test/test_main.cpp:95:30 #18 0xffff8aad6398 in __libc_start_call_main (/lib64/libc.so.6+0x26398) (BuildId: 627f878dd454ee3cc1dfdbd347bb565f1ffb53e7) #19 0xffff8aad6478 in __libc_start_main@GLIBC_2.17 (/lib64/libc.so.6+0x26478) (BuildId: 627f878dd454ee3cc1dfdbd347bb565f1ffb53e7) #20 0xaaaab5c74cac in _start (/root/bitcoin/build/bin/test_bitcoin-qt+0x2b4cac) (BuildId: c0e038f1c507ea6860d1cfd499ac54ad83359872) ``` This happens when building using depends: ```bash Indirect leak of 24 byte(s) in 1 object(s) allocated from: #0 0xaaaabdbe86f8 in malloc (/root/bitcoin/build/bin/test_bitcoin-qt+0x4386f8) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #1 0xfbff97f8c164 (<unknown module>) #2 0xaaaabf0cfaa4 in QDBusConnectionPrivate::QDBusConnectionPrivate() (/root/bitcoin/build/bin/test_bitcoin-qt+0x191faa4) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #3 0xaaaabf0c9e30 in QDBusConnectionManager::doConnectToStandardBus(QDBusConnection::BusType, QString const&, bool) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1919e30) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #4 0xaaaabf0cb0e4 in QtPrivate::QCallableObject<QDBusConnectionPrivate* (QDBusConnectionManager::*)(QDBusConnection::BusType, QString const&, bool), QtPrivate::List<QDBusConnection::BusType&, QString const&, bool&>, QDBusConnectionPrivate*>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (/root/bitcoin/build/bin/test_bitcoin-qt+0x191b0e4) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #5 0xaaaabf5cbaf0 in QObject::event(QEvent*) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1e1baf0) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #6 0xaaaabf5a4ce0 in QCoreApplicationPrivate::notify_helper(QObject*, QEvent*) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1df4ce0) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #7 0xaaaabf5a486c in QCoreApplication::notifyInternal2(QObject*, QEvent*) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1df486c) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #8 0xaaaabf5a575c in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1df575c) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #9 0xaaaabf66b858 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1ebb858) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #10 0xaaaabf5a9e3c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1df9e3c) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #11 0xaaaabf632a44 in QThread::exec() (/root/bitcoin/build/bin/test_bitcoin-qt+0x1e82a44) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #12 0xaaaabf0c9bd0 in QDBusConnectionManager::run() (/root/bitcoin/build/bin/test_bitcoin-qt+0x1919bd0) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #13 0xaaaabf669c30 in QThreadPrivate::start(void*) (/root/bitcoin/build/bin/test_bitcoin-qt+0x1eb9c30) (BuildId: dd54811dc11325890f7bac3e3a49d38f5a7ffef5) #14 0xaaaabdbe5f2c in asan_thread_start(void*) asan_interceptors.cpp.o #15 0xffff99538608 in thread_start (/lib64/libc.so.6+0xf8608) (BuildId: 627f878dd454ee3cc1dfdbd347bb565f1ffb53e7) SUMMARY: AddressSanitizer: 3592 byte(s) leaked in 37 allocation(s). ``` ACKs for top commit: maflcko: lgtm ACK 5be31b2 Tree-SHA512: 0c33661c7ec83ea9b874c1ee4ee2de513131690287363e216a88560dfb31a59ef563a50af756c86a991583aa64a600a74e20fd5d6a104cf4c0a27532de8d2211
l0rinc
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Jul 4, 2025
67dc752 cmake, test: Disable tests instead of ignoring them (Hennadii Stepanov) bb9157d cmake, refactor: Switch to `Python3::Interpreter` imported target (Hennadii Stepanov) Pull request description: This PR: 1. Switches to a modern CMake approach by using the `Python3::Interpreter` imported target, which is more robust than using variables. 2. Disables the `util_rpcauth_test` test explicitly instead of silently ignoring it. A build and test log for the case when Python is unavailable is provided below: ``` $ cmake -B build $ cmake --build build -j 16 $ ctest --test-dir build -j $(nproc) -R "^util" Internal ctest changing into directory: /bitcoin/build Test project /bitcoin/build Start 115: util_tests Start 117: util_trace_tests Start 114: util_string_tests Start 116: util_threadnames_tests Start 1: util_rpcauth_test 1/5 Test #1: util_rpcauth_test ................***Not Run (Disabled) 0.00 sec 2/5 Test #114: util_string_tests ................ Passed 0.11 sec 3/5 Test #117: util_trace_tests ................. Passed 0.11 sec 4/5 Test #116: util_threadnames_tests ........... Passed 0.11 sec 5/5 Test #115: util_tests ....................... Passed 0.13 sec 100% tests passed, 0 tests failed out of 4 Total Test time (real) = 0.13 sec The following tests did not run: 1 - util_rpcauth_test (Disabled) ``` ACKs for top commit: purpleKarrot: ACK 67dc752 janb84: tACK 67dc752 Tree-SHA512: 5fc7ebe31ac03f4b8a53ecfcfc1cace0f647a1d2c989651988edae96bdfbbe2dee171714e57cb028e65ead1bb40806a82d9821746451dbf005538601fd33ea88
l0rinc
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Jul 28, 2025
…xec in RunCommandJSON" faa1c3e Revert "Merge bitcoin#32343: common: Close non-std fds before exec in RunCommandJSON" (MarcoFalke) Pull request description: After a fork() in a multithreaded program, the child can safely call only async-signal-safe functions (see [signal-safety(7)](https://www.man7.org/linux/man-pages/man7/signal-safety.7.html)) until such time as it calls execv. The standard library (`std` namespace) is not async-signal-safe. Also, `throw`, isn't. There was an alternative implementation using `readdir` (bitcoin#32529), but that isn't async-signal-safe either, and that implementation was still using `throw`. So temporarily revert this feature. A follow-up in the future can add it back, using only async-signal-safe functions, or by using a different approach. Fixes bitcoin#32524 Fixes bitcoin#33015 Fixes bitcoin#32855 For reference, a failure can manifest in the GCC debug mode: * While `fork`ing, a debug mode mutex is held (by any other thread). * The `fork`ed child tries to use the stdard libary before `execv` and deadlocks. This may look like the following: ``` (gdb) thread apply all bt Thread 1 (Thread 0xf58f4b40 (LWP 774911) "b-httpworker.2"): #0 0xf7f4f589 in __kernel_vsyscall () #1 0xf79e467e in ?? () from /lib32/libc.so.6 #2 0xf79eb582 in pthread_mutex_lock () from /lib32/libc.so.6 #3 0xf7d93bf2 in ?? () from /lib32/libstdc++.so.6 #4 0xf7d93f36 in __gnu_debug::_Safe_iterator_base::_M_attach(__gnu_debug::_Safe_sequence_base*, bool) () from /lib32/libstdc++.so.6 #5 0x5668810a in __gnu_debug::_Safe_iterator_base::_Safe_iterator_base (this=0xf58f13ac, __seq=0xf58f13f8, __constant=false) at /bin/../lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/debug/safe_base.h:91 #6 0x56ddfb50 in __gnu_debug::_Safe_iterator<__gnu_cxx::__normal_iterator<int*, std::__cxx1998::vector<int, std::allocator<int> > >, std::__debug::vector<int, std::allocator<int> >, std::forward_iterator_tag>::_Safe_iterator (this=0xf58f13a8, __i=3, __seq=0xf58f13f8) at /bin/../lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/debug/safe_iterator.h:162 #7 0x56ddfacb in __gnu_debug::_Safe_iterator<__gnu_cxx::__normal_iterator<int*, std::__cxx1998::vector<int, std::allocator<int> > >, std::__debug::vector<int, std::allocator<int> >, std::bidirectional_iterator_tag>::_Safe_iterator (this=0xf58f13a8, __i=3, __seq=0xf58f13f8) at /bin/../lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/debug/safe_iterator.h:539 #8 0x56ddfa5b in __gnu_debug::_Safe_iterator<__gnu_cxx::__normal_iterator<int*, std::__cxx1998::vector<int, std::allocator<int> > >, std::__debug::vector<int, std::allocator<int> >, std::random_access_iterator_tag>::_Safe_iterator (this=0xf58f13a8, __i=3, __seq=0xf58f13f8) at /bin/../lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/debug/safe_iterator.h:687 #9 0x56ddd3f6 in std::__debug::vector<int, std::allocator<int> >::begin (this=0xf58f13f8) at /bin/../lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/debug/vector:300 #10 0x57d83701 in subprocess::detail::Child::execute_child (this=0xf58f156c) at ./util/subprocess.h:1372 #11 0x57d80a7c in subprocess::Popen::execute_process (this=0xf58f1cd8) at ./util/subprocess.h:1231 #12 0x57d6d2b4 in subprocess::Popen::Popen<subprocess::input, subprocess::output, subprocess::error, subprocess::close_fds> (this=0xf58f1cd8, cmd_args="fake.py enumerate", args=..., args=..., args=..., args=...) at ./util/subprocess.h:964 #13 0x57d6b597 in RunCommandParseJSON (str_command="fake.py enumerate", str_std_in="") at ./common/run_command.cpp:27 #14 0x57a90547 in ExternalSigner::Enumerate (command="fake.py", signers=std::__debug::vector of length 0, capacity 0, chain="regtest") at ./external_signer.cpp:28 #15 0x56defdab in enumeratesigners()::$_0::operator()(RPCHelpMan const&, JSONRPCRequest const&) const (this=0xf58f2ba0, self=..., request=...) at ./rpc/external_signer.cpp:51 ... (truncated, only one thread exists) ``` ACKs for top commit: fanquake: ACK faa1c3e darosior: ACK faa1c3e Tree-SHA512: 602da5f2eba08d7fe01ba19baf411e287ae27fe2d4b82f41734e05b7b1d938ce94cc0041e86ba677284fa92838e96ebee687023ff28047e2b036fd9a53567e0a
l0rinc
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Aug 8, 2025
The `-assumevalid` option skips script verification for a specified block and all its ancestors during Initial Block Download. Many new users are surprised when this suddenly slows their node to a halt. This commit adds a log message to clearly indicate when this optimization ends and full validation begins (and vice versa). When using `-assumeutxo`, logging is suppressed for the active assumed-valid chainstate and for the background validation chainstate to avoid the confusing toggles. ------- > cmake -B build && cmake --build build && mkdir -p demo && build/bin/bitcoind -datadir=demo -stopatheight=500 | grep 'signature validation' ``` 2025-08-08T20:59:21Z Disabling signature validations at block #1 (00000000839a8e6886ab5951d76f411475428afc90947ee320161bbf18eb6048). 2025-08-08T20:59:21Z Enabling signature validations at block #100 (000000007bc154e0fa7ea32218a72fe2c1bb9f86cf8c9ebf9a715ed27fdb229a). 2025-08-08T20:59:21Z Disabling signature validations at block #200 (000000008f1a7008320c16b8402b7f11e82951f44ca2663caf6860ab2eeef320). 2025-08-08T20:59:21Z Enabling signature validations at block bitcoin#300 (0000000062b69e4a2c3312a5782d7798b0711e9ebac065cd5d19f946439f8609). ```
l0rinc
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Aug 15, 2025
…hange fab2980 assumevalid: log every script validation state change (Lőrinc) Pull request description: The `-assumevalid` option skips script verification for a specified block and all its ancestors during Initial Block Download. Many new [users are surprised](bitcoin#32832) when this suddenly slows their node to a halt. This commit adds a log message to clearly indicate when this optimization ends and full validation begins (and vice versa). <details> <summary>Testing instructions</summary> The behavior can easily be tested by adding this before the new log: ```C++ // TODO hack to enable/disable script checks based on block height for testing purposes if (pindex->nHeight < 100) fScriptChecks = false; else if (pindex->nHeight < 200) fScriptChecks = true; else if (pindex->nHeight < 300) fScriptChecks = false; else if (pindex->nHeight < 400) fScriptChecks = true; ``` and exercise the new code with: ```bash cmake -B build && cmake --build build && mkdir -p demo && build/bin/bitcoind -datadir=demo -stopatheight=500 | grep 'signature validation' ``` showing something like: * Disabling signature validations at block #1 (00000000839a8e6886ab5951d76f411475428afc90947ee320161bbf18eb6048). * Enabling signature validations at block #100 (000000007bc154e0fa7ea32218a72fe2c1bb9f86cf8c9ebf9a715ed27fdb229a). * Disabling signature validations at block #200 (000000008f1a7008320c16b8402b7f11e82951f44ca2663caf6860ab2eeef320). * Enabling signature validations at block bitcoin#300 (0000000062b69e4a2c3312a5782d7798b0711e9ebac065cd5d19f946439f8609). </details> ACKs for top commit: achow101: ACK fab2980 ajtowns: crACK fab2980 davidgumberg: untested crACK bitcoin@fab2980 Tree-SHA512: e90b66f7423b639356daace476942ce83e65e70466544394cbe2f15738bdbf716163eaf590c64c5448f9b41aeeaafe3342c48c6a7a478678a70b0310ca94e11d
l0rinc
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Oct 8, 2025
These were fixed im previous commits:
INFO: Seed: 3018625440
INFO: Loaded 1 modules (641435 inline 8-bit counters): 641435 [0x5810b64ebb78, 0x5810b6588513),
INFO: Loaded 1 PC tables (641435 PCs): 641435 [0x5810b6588518,0x5810b6f51ec8),
INFO: 1859 files found in /ci_container_base/ci/scratch/qa-assets/fuzz_corpora/coins_view
INFO: -max_len is not provided; libFuzzer will not generate inputs larger than 1005297 bytes
INFO: seed corpus: files: 1859 min: 2b max: 1005297b total: 48403597b rss: 111Mb
/ci_container_base/src/coins.cpp:133:22: runtime error: unsigned integer overflow: 0 - 64 cannot be represented in type 'size_t' (aka 'unsigned long')
#0 0x5810b3768b67 in CCoinsViewCache::SpendCoin(COutPoint const&, Coin*) /ci_container_base/ci/scratch/build-x86_64-pc-linux-gnu/src/./coins.cpp:133:22
#1 0x5810b3095ff0 in coins_view_fuzz_target(std::span<unsigned char const, 18446744073709551615ul>)::$_4::operator()() const /ci_container_base/ci/scratch/build-x86_64-pc-linux-gnu/src/test/fuzz
/./test/fuzz/coins_view.cpp:87:40
...
SUMMARY: UndefinedBehaviorSanitizer: unsigned-integer-overflow /ci_container_base/src/coins.cpp:133:22
2 tasks
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l0rinc
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Jan 14, 2026
… 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 #9 0xf75aecc2 (/lib/i386-linux-gnu/libc.so.6+0x24cc2) (BuildId: 2dc5f2945fad35c1b07d1a5a32520b3c41afaa75) #10 0xf75aed87 in __libc_start_main (/lib/i386-linux-gnu/libc.so.6+0x24d87) (BuildId: 2dc5f2945fad35c1b07d1a5a32520b3c41afaa75) #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
l0rinc
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Jan 29, 2026
…nitialBlockDownload()` 557b41a validation: make `IsInitialBlockDownload()` lock-free (Lőrinc) b9c0ab3 chain: add `CChain::IsTipRecent` helper (Lőrinc) 8d531c6 validation: invert `m_cached_finished_ibd` to `m_cached_is_ibd` (Lőrinc) 8be54e3 test: cover IBD exit conditions (Lőrinc) Pull request description: This PR is a follow-up to the stale bitcoin#32885. ### Problem `ChainstateManager::IsInitialBlockDownload()` currently acquires `cs_main` internally, even though most existing call sites already hold the lock. This becomes relevant for proposals like bitcoin#34054, which would call `IsInitialBlockDownload()` from the scheduler thread without holding `cs_main`, potentially introducing lock contention. ### Fix Make `ChainstateManager::IsInitialBlockDownload()` lock-free by caching its result in a single atomic `m_cached_is_ibd` (true while in IBD, latched to false on exit). Move the IBD exit checks out of `IsInitialBlockDownload()` (reader-side) into a new `ChainstateManager::UpdateIBDStatus()` (writer-side, called under cs_main). Call UpdateIBDStatus() at strategic points where IBD exit conditions may change, after active chain tip updates in `ConnectTip()`, `DisconnectTip()`, and `LoadChainTip()`, and after `ImportBlocks()` returns. With this, `IsInitialBlockDownload()` becomes a lock-free atomic read, avoiding internal `cs_main` acquisition on hot paths. ### Testing and Benchmarks This isn't strictly an optimization (though some usecases might benefit from it), so rather as a sanity check I ran a reindex-chainstate and an `AssumeUTXO` load (without background validation). <details> <summary>assumeutxo load | 910000 blocks | dbcache 4500 | i9-ssd | x86_64 | Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz | 16 cores | 62Gi RAM | xfs | SSD</summary> ``` COMMITS="595504a43209bead162da54a204df7d140a25f0e 63e822b"; \ CC=gcc; CXX=g++; \ BASE_DIR="/mnt/my_storage"; DATA_DIR="$BASE_DIR/ShallowBitcoinData"; LOG_DIR="$BASE_DIR/logs"; UTXO_SNAPSHOT_PATH="$BASE_DIR/utxo-910000.dat"; \ (echo ""; for c in $COMMITS; do git fetch -q origin $c && git log -1 --pretty='%h %s' $c || exit 1; done; echo "") && \ for DBCACHE in 4500; do \ (echo "assumeutxo load | 910000 blocks | dbcache ${DBCACHE} | $(hostname) | $(uname -m) | $(lscpu | grep 'Model name' | head -1 | cut -d: -f2 | xargs) | $(nproc) cores | $(free -h | awk '/^Mem:/{print $2}') RAM | $(df -T $BASE_DIR | awk 'NR==2{print $2}') | $(lsblk -no ROTA $(df --output=source $BASE_DIR | tail -1) | grep -q 0 && echo SSD || echo HDD)";) &&\ hyperfine \ --sort command \ --runs 3 \ --export-json "$BASE_DIR/assumeutxo-$(sed -E 's/(\w{8})\w+ ?/\1-/g;s/-$//'<<<"$COMMITS")-$DBCACHE-$CC-$(date +%s).json" \ --parameter-list COMMIT ${COMMITS// /,} \ --prepare "killall -9 bitcoind 2>/dev/null; rm -rf $DATA_DIR/blocks $DATA_DIR/chainstate $DATA_DIR/chainstate_snapshot $DATA_DIR/debug.log; git clean -fxd; git reset --hard {COMMIT} && \ cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=RelWithDebInfo && ninja -C build bitcoind bitcoin-cli -j2 && \ ./build/bin/bitcoind -datadir=$DATA_DIR -stopatheight=1 -printtoconsole=0; sleep 20 && \ ./build/bin/bitcoind -datadir=$DATA_DIR -daemon -blocksonly -connect=0 -dbcache=$DBCACHE -printtoconsole=0; sleep 20" \ --conclude "build/bin/bitcoin-cli -datadir=$DATA_DIR stop || true; killall bitcoind || true; sleep 10; \ echo '{COMMIT} | dbcache=$DBCACHE | chainstate: $(find $DATA_DIR/chainstate_snapshot -type f 2>/dev/null | wc -l) files, $(du -sb $DATA_DIR/chainstate_snapshot 2>/dev/null | cut -f1) bytes' >> $DATA_DIR/debug.log; \ cp $DATA_DIR/debug.log $LOG_DIR/debug-assumeutxo-{COMMIT}-dbcache-$DBCACHE-$(date +%s).log" \ "COMPILER=$CC DBCACHE=$DBCACHE ./build/bin/bitcoin-cli -datadir=$DATA_DIR -rpcclienttimeout=0 loadtxoutset $UTXO_SNAPSHOT_PATH"; \ done 595504a Merge bitcoin#34236: Add sedited to trusted-keys 63e822b validation: make `IsInitialBlockDownload()` lock-free assumeutxo load | 910000 blocks | dbcache 4500 | i9-ssd | x86_64 | Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz | 16 cores | 62Gi RAM | xfs | SSD Benchmark 1: COMPILER=gcc DBCACHE=4500 ./build/bin/bitcoin-cli -datadir=/mnt/my_storage/ShallowBitcoinData -rpcclienttimeout=0 loadtxoutset /mnt/my_storage/utxo-910000.dat (COMMIT = 595504a) Time (mean ± σ): 418.452 s ± 0.461 s [User: 0.001 s, System: 0.001 s] Range (min … max): 418.070 s … 418.964 s 3 runs Benchmark 2: COMPILER=gcc DBCACHE=4500 ./build/bin/bitcoin-cli -datadir=/mnt/my_storage/ShallowBitcoinData -rpcclienttimeout=0 loadtxoutset /mnt/my_storage/utxo-910000.dat (COMMIT = 63e822b) Time (mean ± σ): 415.994 s ± 0.294 s [User: 0.001 s, System: 0.001 s] Range (min … max): 415.788 s … 416.330 s 3 runs Relative speed comparison 1.01 ± 0.00 COMPILER=gcc DBCACHE=4500 ./build/bin/bitcoin-cli -datadir=/mnt/my_storage/ShallowBitcoinData -rpcclienttimeout=0 loadtxoutset /mnt/my_storage/utxo-910000.dat (COMMIT = 595504a) 1.00 COMPILER=gcc DBCACHE=4500 ./build/bin/bitcoin-cli -datadir=/mnt/my_storage/ShallowBitcoinData -rpcclienttimeout=0 loadtxoutset /mnt/my_storage/utxo-910000.dat (COMMIT = 63e822b) ``` </details> <details> <summary>2026-01-12 | reindex-chainstate | 931139 blocks | dbcache 4500 | i9-ssd | x86_64 | Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz | 16 cores | 62Gi RAM | SSD</summary> ``` for DBCACHE in 4500; do \ COMMITS="595504a43209bead162da54a204df7d140a25f0e 63e822b"; \ STOP=931139; CC=gcc; CXX=g++; \ BASE_DIR="/mnt/my_storage"; DATA_DIR="$BASE_DIR/BitcoinData"; LOG_DIR="$BASE_DIR/logs"; \ (echo ""; for c in $COMMITS; do git fetch -q origin $c && git log -1 --pretty='%h %s' $c || exit 1; done) && \ (echo "" && echo "$(date -I) | reindex-chainstate | ${STOP} blocks | dbcache ${DBCACHE} | $(hostname) | $(uname -m) | $(lscpu | grep 'Model name' | head -1 | cut -d: -f2 | xargs) | $(nproc) cores | $(free -h | awk '/^Mem:/{print $2}') RAM | SSD"; echo "") &&\ hyperfine \ --sort command \ --runs 1 \ --export-json "$BASE_DIR/rdx-$(sed -E 's/(\w{8})\w+ ?/\1-/g;s/-$//'<<<"$COMMITS")-$STOP-$DBCACHE-$CC.json" \ --parameter-list COMMIT ${COMMITS// /,} \ --prepare "killall -9 bitcoind 2>/dev/null; rm -f $DATA_DIR/debug.log; git clean -fxd; git reset --hard {COMMIT} && \ cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DENABLE_IPC=OFF && ninja -C build bitcoind -j1 && \ ./build/bin/bitcoind -datadir=$DATA_DIR -stopatheight=$STOP -dbcache=1000 -printtoconsole=0; sleep 20; rm -f $DATA_DIR/debug.log" \ --conclude "killall bitcoind || true; sleep 5; grep -q 'height=0' $DATA_DIR/debug.log && grep -q 'Disabling script verification at block #1' $DATA_DIR/debug.log && grep -q 'height=$STOP' $DATA_DIR/debug.log; \ cp $DATA_DIR/debug.log $LOG_DIR/debug-{COMMIT}-$(date +%s).log" \ "COMPILER=$CC ./build/bin/bitcoind -datadir=$DATA_DIR -stopatheight=$STOP -dbcache=$DBCACHE -reindex-chainstate -blocksonly -connect=0 -printtoconsole=0"; done 595504a Merge bitcoin#34236: Add sedited to trusted-keys 63e822b validation: make `IsInitialBlockDownload()` lock-free 2026-01-12 | reindex-chainstate | 931139 blocks | dbcache 4500 | i9-ssd | x86_64 | Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz | 16 cores | 62Gi RAM | SSD Benchmark 1: COMPILER=gcc ./build/bin/bitcoind -datadir=/mnt/my_storage/BitcoinData -stopatheight=931139 -dbcache=4500 -reindex-chainstate -blocksonly -connect=0 -printtoconsole=0 (COMMIT = 595504a) Time (abs ≡): 17187.310 s [User: 33104.415 s, System: 937.548 s] Benchmark 2: COMPILER=gcc ./build/bin/bitcoind -datadir=/mnt/my_storage/BitcoinData -stopatheight=931139 -dbcache=4500 -reindex-chainstate -blocksonly -connect=0 -printtoconsole=0 (COMMIT = 63e822b) Time (abs ≡): 17240.300 s [User: 33164.803 s, System: 976.485 s] Relative speed comparison 1.00 COMPILER=gcc ./build/bin/bitcoind -datadir=/mnt/my_storage/BitcoinData -stopatheight=931139 -dbcache=4500 -reindex-chainstate -blocksonly -connect=0 -printtoconsole=0 (COMMIT = 595504a) 1.00 COMPILER=gcc ./build/bin/bitcoind -datadir=/mnt/my_storage/BitcoinData -stopatheight=931139 -dbcache=4500 -reindex-chainstate -blocksonly -connect=0 -printtoconsole=0 (COMMIT = 63e822b) ``` </details> ACKs for top commit: sedited: ACK 557b41a sipa: utACK 557b41a mzumsande: Code Review ACK 557b41a Tree-SHA512: 174015b9785846fc3375bd9d6e4ef91de47ffb659a94d645c49d333a33a32986d5c3cb2eb5a0a7245f96580ed6fea4ba5b7f93cac7e42e3b225f0a01538a2e5c
l0rinc
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Feb 25, 2026
…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 #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 #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 #11 0x556e9250daf0 in unsigned long CheckedSub<unsigned long, bool>(unsigned long, bool) /mnt/my_storage/bitcoin/src/util/overflow.h:44:5 #12 0x556e9250daf0 in CoinsViewCacheCursor::NextAndMaybeErase(std::pair<COutPoint const, CCoinsCacheEntry>&) /mnt/my_storage/bitcoin/src/coins.h:282:25 #13 0x556e92507eb2 in (anonymous namespace)::MutationGuardCoinsViewCache::BatchWrite(CoinsViewCacheCursor&, uint256 const&) /mnt/my_storage/bitcoin/src/test/fuzz/coins_view.cpp:90:75 #14 0x556e92c17a2b in CCoinsViewCache::Flush(bool) /mnt/my_storage/bitcoin/src/coins.cpp:282:11 #15 0x556e924fb732 in TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_1::operator()() const /mnt/my_storage/bitcoin/src/test/fuzz/coins_view.cpp:135:34 #16 0x556e924fb732 in unsigned long CallOneOf<TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool)::$_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 #17 0x556e924fb732 in TestCoinsView(FuzzedDataProvider&, CCoinsViewCache&, CCoinsView&, bool) /mnt/my_storage/bitcoin/src/test/fuzz/coins_view.cpp:114:9 #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 #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 #20 0x556e92bcb7a5 in test_one_input(std::span<unsigned char const, 18446744073709551615ul>) /mnt/my_storage/bitcoin/src/test/fuzz/fuzz.cpp:88:5 #21 0x556e92bcb7a5 in LLVMFuzzerTestOneInput /mnt/my_storage/bitcoin/src/test/fuzz/fuzz.cpp:216:5 #22 0x556e9219318f in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x185218f) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) #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) #24 0x556e92194139 in fuzzer::Fuzzer::MutateAndTestOne() (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x1853139) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) #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) #26 0x556e92181255 in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x1840255) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) #27 0x556e921ad696 in main (/mnt/my_storage/bitcoin/build_fuzz/bin/fuzz+0x186c696) (BuildId: d77c4d5f9dfd38ea06fab463f49341735205e109) #28 0x7164cfc2a577 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #29 0x7164cfc2a63a in __libc_start_main csu/../csu/libc-start.c:360:3 #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
l0rinc
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Mar 6, 2026
…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) #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) #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) #11 benchmark::BenchRunner::RunAll(benchmark::Args const&) /ci_container_base/src/bench/bench.cpp:121:13 (bench_bitcoin+0x1cc77d) #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)::$_0, void ()>::operator()() /cxx_build/include/c++/v1/__functional/function.h:172:12 (bench_bitcoin+0x885feb) #8 std::__1::__function::__value_func<void ()>::operator()[abi:dee230000]() const /cxx_build/include/c++/v1/__functional/function.h:273:12 (bench_bitcoin+0xddec83) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #9 std::__1::function<void ()>::operator()() const /cxx_build/include/c++/v1/__functional/function.h:754:10 (bench_bitcoin+0xddec83) #10 SerialTaskRunner::ProcessQueue() /ci_container_base/src/scheduler.cpp:173:5 (bench_bitcoin+0xddec83) #11 SerialTaskRunner::MaybeScheduleProcessQueue()::$_0::operator()() const /ci_container_base/src/scheduler.cpp:142:41 (bench_bitcoin+0xde08e5) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #12 std::__1::__invoke_result_impl<void, SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&>::type std::__1::__invoke[abi:dee230000]<SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&>(SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&) /cxx_build/include/c++/v1/__type_traits/invoke.h:90:27 (bench_bitcoin+0xde08e5) #13 void std::__1::__invoke_void_return_wrapper<void, true>::__call[abi:dee230000]<SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&>(SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&) /cxx_build/include/c++/v1/__type_traits/invoke.h:350:5 (bench_bitcoin+0xde08e5) #14 void std::__1::__invoke_r[abi:dee230000]<void, SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&>(SerialTaskRunner::MaybeScheduleProcessQueue()::$_0&) /cxx_build/include/c++/v1/__type_traits/invoke.h:356:10 (bench_bitcoin+0xde08e5) #15 std::__1::__function::__func<SerialTaskRunner::MaybeScheduleProcessQueue()::$_0, void ()>::operator()() /cxx_build/include/c++/v1/__functional/function.h:172:12 (bench_bitcoin+0xde08e5) #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) #17 std::__1::function<void ()>::operator()() const /cxx_build/include/c++/v1/__functional/function.h:754:10 (bench_bitcoin+0xddda36) #18 CScheduler::serviceQueue() /ci_container_base/src/scheduler.cpp:60:17 (bench_bitcoin+0xddda36) #19 ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2::operator()() const /ci_container_base/src/test/util/setup_common.cpp:250:114 (bench_bitcoin+0x2dcaa8) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #20 std::__1::__invoke_result_impl<void, ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_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) #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) #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) #23 std::__1::__function::__func<ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_2, void ()>::operator()() /cxx_build/include/c++/v1/__functional/function.h:172:12 (bench_bitcoin+0x2dcaa8) #24 std::__1::__function::__value_func<void ()>::operator()[abi:dee230000]() const /cxx_build/include/c++/v1/__functional/function.h:273:12 (bench_bitcoin+0xef2b0b) (BuildId: d6021b6fabe0b72ef5741922cc8e7f71ce6eac0c) #25 std::__1::function<void ()>::operator()() const /cxx_build/include/c++/v1/__functional/function.h:754:10 (bench_bitcoin+0xef2b0b) #26 util::TraceThread(std::__1::basic_string_view<char, std::__1::char_traits<char>>, std::__1::function<void ()>) /ci_container_base/src/util/thread.cpp:21:9 (bench_bitcoin+0xef2b0b) #27 std::__1::__invoke_result_impl<void, void (*)(std::__1::basic_string_view<char, std::__1::char_traits<char>>, std::__1::function<void ()>), char const*, ChainTestingSetup::ChainTestingSetup(ChainType, TestOpts)::$_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) #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) #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) #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) #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) #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) #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) #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) #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) #15 benchmark::BenchRunner::RunAll(benchmark::Args const&) /ci_container_base/src/bench/bench.cpp:121:13 (bench_bitcoin+0x1cc77d) #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 7, 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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