Teodor Mircea Ionita (Inactive) added a comment - 2018-12-05 09:22 Reminder to self: MDEV-11924 - ASAN in Buildbot - Runtime Address Sanitizer for bounds checking Undefined behavior testor: Easy win in CI environment fsanitize=undefined,, -fsanitize=integer, -fsanitize=nullability, http://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html ) gcc > 4.8, clang >= 3.3 Run with UBSAN_OPTIONS=print_stacktrace=1 and llvm-symbolizer Thread Safety Analysis ( http://clang.llvm.org/docs/ThreadSafetyAnalysis.html ) Needs to mark variables with mutexs required (attribute and annotate mutex functions) C Unknown macro: {,XX} FLAGS=-Wthread-safety Doesn’t seem that difficult or intrusive

Eugene Kosov (Inactive) added a comment - 2018-12-18 19:23 Here is a simple script to use TSAN. #!/bin/bash   git clone --depth=1 --recurse-submodules git@github.com:MariaDB /server .git server   mkdir debug_build cd debug_build   COMPILER_FLAGS= "-fdiagnostics-color -fno-omit-frame-pointer -gsplit-dwarf" cmake \ -G Ninja \ -DWITH_TSAN=1 \ -DCMAKE_BUILD_TYPE=Debug \ -DCMAKE_C_FLAGS=$COMPILER_FLAGS \ -DCMAKE_CXX_FLAGS=$COMPILER_FLAGS \ -DWITH_SAFEMALLOC=0 \ -DWITH_WSREP=0 \ -DWITH_UNIT_TESTS=0 \ -DWITH_UNITTEST=0 \ -DWITH_CLIENT=0 \ -DWITH_ZLIB=system \ -DWITHOUT_ROCKSDB_STORAGE_ENGINE=1 \ -DWITHOUT_MROONGA_STORAGE_ENGINE=1 \ -DWITHOUT_PARTITION_STORAGE_ENGINE=1 \ -DWITHOUT_CONNECT_STORAGE_ENGINE=1 \ -DWITHOUT_SPHINX_STORAGE_ENGINE=1 \ -DWITHOUT_TOKUDB_STORAGE_ENGINE=1 \ -DWITHOUT_SPIDER_STORAGE_ENGINE=1 \ -DCMAKE_EXPORT_COMPILE_COMMANDS=1 \ .. /server   ninja -j4   cd mysql- test . /mtr -mem -par=auto I also attach a sample output. 91 warnings total. sample_tsan_output

Eugene Kosov (Inactive) added a comment - 2018-12-18 19:28 And I have a recent gcc: gcc (Ubuntu 8.2.0-7ubuntu1) 8.2.0

Daniel Black added a comment - 2025-03-03 02:26 Reuse the MDBF-793 as a up to date clang worker image.

Daniel Black added a comment - 2025-03-24 03:54 export TSAN_OPTIONS=suppress_equal_stacks=1:suppress_equal_addresses=1:history_size=7:verbosity=1