0==27808==ERROR: AddressSanitizer: heap-use-after-free on address 0x760561bf2468 at pc 0x646e8a5014c9 bp 0x75d55a31c930 sp 0x75d55a31c928
1READ of size 8 at 0x760561bf2468 thread T11
2[#0](/bitcoin-bitcoin/0/) 0x646e8a5014c8 in mp::ProxyServer<mp::ThreadMap>::makeThread(capnp::CallContext<mp::ThreadMap::MakeThreadParams, mp::ThreadMap::MakeThreadResults>)::$_0::operator()() const /home/admin/actions-runner/_work/_temp/src/ipc/libmultiprocess/src/mp/proxy.cpp:421:19 3[#1](/bitcoin-bitcoin/1/) 0x646e8a5014c8 in void std::__invoke_impl<void, mp::ProxyServer<mp::ThreadMap>::makeThread(capnp::CallContext<mp::ThreadMap::MakeThreadParams, mp::ThreadMap::MakeThreadResults>)::$_0>(std::__invoke_other, mp::ProxyServer<mp::ThreadMap>::makeThread(capnp::CallContext<mp::ThreadMap::MakeThreadParams, mp::ThreadMap::MakeThreadResults>)::$_0&&) /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/invoke.h:61:14 4[#2](/bitcoin-bitcoin/2/) 0x646e8a5014c8 in std::__invoke_result<mp::ProxyServer<mp::ThreadMap>::makeThread(capnp::CallContext<mp::ThreadMap::MakeThreadParams, mp::ThreadMap::MakeThreadResults>)::$_0>::type std::__invoke<mp::ProxyServer<mp::ThreadMap>::makeThread(capnp::CallContext<mp::ThreadMap::MakeThreadParams, mp::ThreadMap::MakeThreadResults>)::$_0>(mp::ProxyServer<mp::ThreadMap>::makeThread(capnp::CallContext<mp::ThreadMap::MakeThreadParams, mp::ThreadMap::MakeThreadResults>)::$_0&&) /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/invoke.h:96:14 5[#3](/bitcoin-bitcoin/3/) 0x646e8a5014c8 in void std::thread::_Invoker<std::tuple<mp::ProxyServer<mp::ThreadMap>::makeThread(capnp::CallContext<mp::ThreadMap::MakeThreadParams, mp::ThreadMap::MakeThreadResults>)::$_0>>::_M_invoke<0ul>(std::_Index_tuple<0ul>) /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/std_thread.h:292:13 6[#4](/bitcoin-bitcoin/4/) 0x646e8a5014c8 in std::thread::_Invoker<std::tuple<mp::ProxyServer<mp::ThreadMap>::makeThread(capnp::CallContext<mp::ThreadMap::MakeThreadParams, mp::ThreadMap::MakeThreadResults>)::$_0>>::operator()() /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/std_thread.h:299:11 7[#5](/bitcoin-bitcoin/5/) 0x646e8a5014c8 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<mp::ProxyServer<mp::ThreadMap>::makeThread(capnp::CallContext<mp::ThreadMap::MakeThreadParams, mp::ThreadMap::MakeThreadResults>)::$_0>>>::_M_run() /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/std_thread.h:244:13 8[#6](/bitcoin-bitcoin/6/) 0x79d563033db3 (/lib/x86_64-linux-gnu/libstdc++.so.6+0xecdb3) (BuildId: 753c6c8608b61d4e67be8f0c890e03e0aa046b8b) 9[#7](/bitcoin-bitcoin/7/) 0x646e8902e85a in asan_thread_start(void*) crtstuff.c10[#8](/bitcoin-bitcoin/8/) 0x79d562ca5aa3 (/lib/x86_64-linux-gnu/libc.so.6+0x9caa3) (BuildId: 8e9fd827446c24067541ac5390e6f527fb5947bb)11[#9](/bitcoin-bitcoin/9/) 0x79d562d32c6b (/lib/x86_64-linux-gnu/libc.so.6+0x129c6b) (BuildId: 8e9fd827446c24067541ac5390e6f527fb5947bb)12130x760561bf2468 is located 8 bytes inside of 32-byte region [0x760561bf2460,0x760561bf2480)14freed by thread T2 (b-capnp-loop) here:
15[#0](/bitcoin-bitcoin/0/) 0x646e89075f66 in operator delete(void*, unsigned long) (/home/admin/actions-runner/_work/_temp/build/bin/bitcoin-node+0x1408f66) (BuildId: 89995cb68dd51cd207c97d4b8e372df7e8c677d2)16[#1](/bitcoin-bitcoin/1/) 0x79d5635559d9 (/lib/x86_64-linux-gnu/libcapnp-rpc-1.0.1.so+0x489d9) (BuildId: 44717f0ad52d0e372420b8de2d7701bfba298f14)17[#2](/bitcoin-bitcoin/2/) 0x79d563586a13 (/lib/x86_64-linux-gnu/libcapnp-rpc-1.0.1.so+0x79a13) (BuildId: 44717f0ad52d0e372420b8de2d7701bfba298f14)18[#3](/bitcoin-bitcoin/3/) 0x79d5635872b6 (/lib/x86_64-linux-gnu/libcapnp-rpc-1.0.1.so+0x7a2b6) (BuildId: 44717f0ad52d0e372420b8de2d7701bfba298f14)19[#4](/bitcoin-bitcoin/4/) 0x79d56358a505 (/lib/x86_64-linux-gnu/libcapnp-rpc-1.0.1.so+0x7d505) (BuildId: 44717f0ad52d0e372420b8de2d7701bfba298f14)20[#5](/bitcoin-bitcoin/5/) 0x79d56359d42b (/lib/x86_64-linux-gnu/libcapnp-rpc-1.0.1.so+0x9042b) (BuildId: 44717f0ad52d0e372420b8de2d7701bfba298f14)21[#6](/bitcoin-bitcoin/6/) 0x79d5633e961c in kj::_::TransformPromiseNodeBase::get(kj::_::ExceptionOrValue&) (/lib/x86_64-linux-gnu/libkj-async-1.0.1.so+0x3e61c) (BuildId: 356b68ed6bfbcc99793859e96d335850186ca5da)22[#7](/bitcoin-bitcoin/7/) 0x79d5633e9694 in kj::_::TransformPromiseNodeBase::getDepResult(kj::_::ExceptionOrValue&) (/lib/x86_64-linux-gnu/libkj-async-1.0.1.so+0x3e694) (BuildId: 356b68ed6bfbcc99793859e96d335850186ca5da)23[#8](/bitcoin-bitcoin/8/) 0x79d56359ae20 (/lib/x86_64-linux-gnu/libcapnp-rpc-1.0.1.so+0x8de20) (BuildId: 44717f0ad52d0e372420b8de2d7701bfba298f14)24[#9](/bitcoin-bitcoin/9/) 0x79d5633e961c in kj::_::TransformPromiseNodeBase::get(kj::_::ExceptionOrValue&) (/lib/x86_64-linux-gnu/libkj-async-1.0.1.so+0x3e61c) (BuildId: 356b68ed6bfbcc99793859e96d335850186ca5da)25[#10](/bitcoin-bitcoin/10/) 0x79d5633e52e6 (/lib/x86_64-linux-gnu/libkj-async-1.0.1.so+0x3a2e6) (BuildId: 356b68ed6bfbcc99793859e96d335850186ca5da)26 Stack after return: f5
27 Stack use after scope: f8
28 Global redzone: f9
29 Global init order: f6
30 Poisoned by user: f7
31 Container overflow: fc
32 Array cookie: ac
33 Intra object redzone: bb
34 ASan internal: fe
35 Left alloca redzone: ca
36 Right alloca redzone: cb37==27808==ABORTING
DrahtBot added the label
CI failed
on Mar 12, 2026
ryanofsky
commented at 4:40 pm on March 12, 2026:
contributor
Thanks fanquake looks like both of these errors are caused by the new hooks added for testng, so not very surprising. The tests were automatically generated and pretty close to being right but have a number of issues and I’m rewriting them.
ryanofsky force-pushed
on Mar 12, 2026
ryanofsky
commented at 6:11 pm on March 12, 2026:
contributor
DrahtBot added the label
CI failed
on Mar 26, 2026
Squashed 'src/ipc/libmultiprocess/' changes from 1868a84451f..70f632bda8f
70f632bda8f Merge bitcoin-core/libmultiprocess#265: ci: set LC_ALL in shell scripts
8e8e564259a Merge bitcoin-core/libmultiprocess#249: fixes for race conditions on disconnects
05d34cc2ec3 ci: set LC_ALL in shell scripts
e606fd84a8c Merge bitcoin-core/libmultiprocess#264: ci: reduce nproc multipliers
ff0eed1bf18 refactor: Use loop variable in type-context.h
ff1d8ba172a refactor: Move type-context.h getParams() call closer to use
1dbc59a4aa3 race fix: m_on_cancel called after request finishes
1643d05ba07 test: m_on_cancel called after request finishes
f5509a31fcc race fix: getParams() called after request cancel
4a60c39f24a test: getParams() called after request cancel
f11ec29ed20 race fix: worker thread destroyed before it is initialized
a1d643348f4 test: worker thread destroyed before it is initialized
336023382c4 ci: reduce nproc multipliers
b090beb9651 Merge bitcoin-core/libmultiprocess#256: ci: cache gnu32 nix store
be8622816da ci: cache gnu32 nix store
975270b619c Merge bitcoin-core/libmultiprocess#263: ci: bump timeout factor to 40
09f10e5a598 ci: bump timeout factor to 40
db8f76ad290 Merge bitcoin-core/libmultiprocess#253: ci: run some Bitcoin Core CI jobs
55a9b557b19 ci: set Bitcoin Core CI test repetition
fb0fc84d556 ci: add TSan job with instrumented libc++
0f29c38725b ci: add Bitcoin Core IPC tests (ASan + macOS)
3f64320315d Merge bitcoin-core/libmultiprocess#262: ci: enable clang-tidy in macOS job, use nullptr
cd9f8bdc9f0 Merge bitcoin-core/libmultiprocess#258: log: add socket connected info message and demote destroy logs to debug
b5d6258a42f Merge bitcoin-core/libmultiprocess#255: fix: use unsigned char cast and sizeof in LogEscape escape sequence
d94688e2c32 Merge bitcoin-core/libmultiprocess#251: Improved CustomBuildField for std::optional in IPC/libmultiprocess
a9499fad755 mp: use nullptr with pthread_threadid_np
f499e37850f ci: enable clang-tidy in macOS job
98f1352159d log: add socket connected info message and demote destroy logs to debug
554a481ea73 fix: use unsigned char cast and sizeof in LogEscape escape sequence
1977b9f3f65 Use std::forward in CustomBuildField for std::optional to allow move semantics, resolves FIXME
22bec918c97 Merge bitcoin-core/libmultiprocess#247: type-map: Work around LLVM 22 "out of bounds index" error
8a5e3ae6ed2 Merge bitcoin-core/libmultiprocess#242: proxy-types: add CustomHasField hook to map Cap'n Proto values to null C++ values
e8d35246918 Merge bitcoin-core/libmultiprocess#246: doc: Bump version 8 > 9
97d877053b6 proxy-types: add CustomHasField hook for nullable decode paths
8c2f10252c9 refactor: add missing includes to mp/type-data.h
b1638aceb40 doc: Bump version 8 > 9
f61af487217 type-map: Work around LLVM 22 "out of bounds index" error
git-subtree-dir: src/ipc/libmultiprocess
git-subtree-split: 70f632bda8f80449b6240f98da768206a535a04e
2478a15ef9
Merge commit '2478a15ef966cc93d47dd0f461a44be39bc51534' into pr/subtree-9613a548648
ryanofsky referenced this in commit
70f632bda8
on Mar 27, 2026
ryanofsky force-pushed
on Mar 27, 2026
ryanofsky marked this as ready for review
on Mar 27, 2026
DrahtBot removed the label
CI failed
on Mar 27, 2026
Sjors
commented at 7:42 pm on March 27, 2026:
member
ACK16d6ab5eca3207c372861b52c64c7fb36c166c9d
DrahtBot requested review from ismaelsadeeq
on Mar 27, 2026
ryanofsky force-pushed
on Mar 30, 2026
ryanofsky
commented at 1:29 am on March 30, 2026:
contributor
Rebased 16d6ab5eca3207c372861b52c64c7fb36c166c9d -> 613a548648880314e78c3045d0ded12e29a4f036 (pr/subtree-9.5 -> pr/subtree-9.6, compare) onto an earlier commit with no changes, to allow the same branch to be merged into 31.x in another PR (#34952)
Sjors
commented at 6:51 am on March 30, 2026:
member
Good catch.
@maflcko could we tweak @DrahtBot to comment on subtree update pull request with something like: this subtree update is applied after the 30.x branch-off, if you intend to backport this to earlier realeases, consider rebasing on … or earlier.
Sjors referenced this in commit
35411ae38f
on Mar 30, 2026
Sjors
commented at 7:28 am on March 30, 2026:
member
ACK613a548648880314e78c3045d0ded12e29a4f036
ismaelsadeeq
commented at 10:35 am on March 30, 2026:
member
The changes can be verified by running test/lint/git-subtree-check.sh src/ipc/libmultiprocess as described in developer notes and lint instructions
ACK613a548648880314e78c3045d0ded12e29a4f036
0> git remote add --fetch libmultiprocess https://github.com/bitcoin-core/libmultiprocess.git
1>
2> test/lint/git-subtree-check.sh src/ipc/libmultiprocess
3src/ipc/libmultiprocess in HEAD currently refers to tree ba44c03037cc8cc6ec9ddda616dda5e261e0ca60 4src/ipc/libmultiprocess in HEAD was last updated in commit 2478a15ef966cc93d47dd0f461a44be39bc51534 (tree ba44c03037cc8cc6ec9ddda616dda5e261e0ca60)
5GOOD
6 7> test/lint/git-subtree-check.sh -r src/ipc/libmultiprocess
8 9src/ipc/libmultiprocess in HEAD currently refers to tree ba44c03037cc8cc6ec9ddda616dda5e261e0ca6010src/ipc/libmultiprocess in HEAD was last updated in commit 2478a15ef966cc93d47dd0f461a44be39bc51534 (tree ba44c03037cc8cc6ec9ddda616dda5e261e0ca60)
11src/ipc/libmultiprocess in HEAD was last updated to upstream commit 70f632bda8f80449b6240f98da768206a535a04e (tree ba44c03037cc8cc6ec9ddda616dda5e261e0ca60)
12GOOD
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