Undefined sanitizer issue

[MBkkt]

https://github.com/arangodb/arangodb/blob/devel/tests/Sharding/ShardDistributionReporterTest.cpp#L136

Maybe we are use it wrong? Cannot understand, both classes have virtual dtor. Also we use old version of fakeit, I tried new but nothing changed.

clang is 14.0.6

cmake .. -DUSE_ENTERPRISE=On -DUSE_MAINTAINER_MODE=On -DUSE_FAILURE_TESTS=On -DUSE_JEMALLOC=Off -DUSE_IPO=Off -DCMAKE_C_FLAGS="-fsanitize=address,undefined,float-divide-by-zero,leak -fno-sanitize=alignment" -DCMAKE_CXX_FLAGS="-fsanitize=address,undefined,float-divide-by-zero,leak -fno-sanitize=alignment" -DBASE_LD_FLAGS="-fuse-ld=lld -Wl,--build-id -fno-stack-protector" -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DUSE_FAIL_ON_WARNINGS=On

➜  arangodb git:(devel) ✗ ./build_aulsan/bin/arangodbtests --gtest_filter="*ShardDistributionReporterTest*"
Note: Google Test filter = *ShardDistributionReporterTest*
[==========] Running 8 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 8 tests from ShardDistributionReporterTest
[ RUN      ] ShardDistributionReporterTest.a_healthy_instance_a_single_collection_of_three_shards_and_three_replicas
/home/mbkkt/projects/arangodb/3rdParty/fakeit-gtest/fakeit.hpp:5278:47: runtime error: member call on address 0x7ffe801a0560 which does not point to an object of type 'arangodb::ClusterInfo'
0x7ffe801a0560: note: object is of type 'fakeit::VirtualOffsetSelector'
 fe 7f 00 00  40 ae 0a 28 a5 55 00 00  07 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  80 04 1a 80
              ^~~~~~~~~~~~~~~~~~~~~~~
              vptr for 'fakeit::VirtualOffsetSelector'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/mbkkt/projects/arangodb/3rdParty/fakeit-gtest/fakeit.hpp:5278:47 in 
/home/mbkkt/projects/arangodb/3rdParty/fakeit-gtest/fakeit.hpp:5278:47: runtime error: member call on address 0x7ffe801a0560 which does not point to an object of type 'arangodb::CollectionInfoCurrent'
0x7ffe801a0560: note: object is of type 'fakeit::VirtualOffsetSelector'
 fe 7f 00 00  40 ae 0a 28 a5 55 00 00  04 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  80 04 1a 80
              ^~~~~~~~~~~~~~~~~~~~~~~
              vptr for 'fakeit::VirtualOffsetSelector'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/mbkkt/projects/arangodb/3rdParty/fakeit-gtest/fakeit.hpp:5278:47 in 

[MBkkt]

https://github.com/eranpeer/FakeIt/pull/261

[FranckRJ]

As you seen in the PR you linked there are some issues with sanitizers and fakeit as of now. I'll try fix some of them for the next release.

[MBkkt]

Cool thanks, it's same issue as in 261 pr

[FranckRJ]

It's fixed by #318 which will be in FakeIt 2.4.0.