Bug #116375 UBSan error on Rpl_commit_order_queue_test.Simulate_mts

Submitted:	16 Oct 2024 12:40	Modified:	28 Oct 2025 9:43
Reporter:	Laurynas Biveinis (OCA)	Email Updates:
Status:	Closed	Impact on me:	None
Category:	MySQL Server: Replication	Severity:	S3 (Non-critical)
Version:	8.0.41	OS:	MacOS (15.0.1)
Assigned to:		CPU Architecture:	ARM

Description:
./runtime_output_directory/rpl_commit_order_queue-t
...
[ RUN      ] Rpl_commit_order_queue_test.Simulate_mts
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.0.sdk/usr/include/c++/v1/__atomic/cxx_atomic_impl.h:377:10: runtime error: load of value 16, which is not a valid value for type 'bool'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.0.sdk/usr/include/c++/v1/__atomic/cxx_atomic_impl.h:377:10 in 
[       OK ] Rpl_commit_order_queue_test.Simulate_mts (11832 ms)
...

How to repeat:
XCode 16
-DFORCE_UNSUPPORTED_COMPILER=ON -DCMAKE_BUILD_TYPE=Debug -DWITH_DEBUG=ON
-DMYSQL_MAINTAINER_MODE=ON -DWITH_SYSTEM_LIBS=ON
-DWITH_NDBCLUSTER_STORAGE_ENGINE=OFF -DDOWNLOAD_BOOST=ON
-DWITH_BOOST=<path> -DFORCE_COLORED_OUTPUT=ON -DCMAKE_CXX_FLAGS=-g
-DCMAKE_CXX_FLAGS_DEBUG=-g -DCMAKE_CXX_FLAGS_RELEASE=-O2 -DNDEBUG -g
-DWITH_ASAN=ON -DWITH_ASAN_SCOPE=ON -DWITH_UBSAN=ON

Hello Laurynas,

Thank you for the report and feedback!

regards,
Umesh

Same on 8.0.41

Fixed in MySQL 8.0.43, 8.4.6, and 9.4.0.

Affects testing only--no docs needed.

Closed.

This is closed for 8.0.43 so just mentioning for completeness that it still reproduces on 8.0.42

Confirmed fixed on 8.0.44

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