Hi valgrind folk,
I am currently transforming my build-slave from a virtual machine to a
docker container. One step of my build is to run valgrind. The problem
is that I now get new memory leaks that do not occur on the virtual
machine.
The errors come from libc and std::string, here is an example:
==11397== 101 bytes in 1 blocks are possibly lost in loss record 241 of 365
==11397== at 0x4C29180: operator new(unsigned long)
(vg_replace_malloc.c:324)
==11397== by 0x62ABE98: std::string::_Rep::_S_create(unsigned long,
unsigned long, std::allocator<char> const&) (in
/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.20)
==11397== by 0x4FD2F1: char* std::string::_S_construct<char
const*>(char const*, char const*, std::allocator<char> const&,
std::forward_iterator_tag) (basic_string.tcc:138)
==11397== by 0x62ADC45: std::basic_string<char,
std::char_traits<char>, std::allocator<char> >::basic_string(char
const*, std::allocator<char> const&) (in
/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.20)
==11397== by 0x4D6644:
testing::internal::MakeAndRegisterTestInfo(char const*, char const*,
char const*, char const*, testing::internal::CodeLocation, void const*,
void (*)(), void (*)(), testing::internal::TestFactoryBase*) (gtest.cc:2555)
==11397== by 0x4B0798: __static_initialization_and_destruction_0(int,
int) (ClassFilesManipulator_expensive_tests.cpp:166)
==11397== by 0x4B8F8B:
_GLOBAL__sub_I_ClassFilesManipulator_expensive_tests.cpp
(ClassFilesManipulator_expensive_tests.cpp:269)
==11397== by 0x55FE6C: __libc_csu_init (in
/home/jenkins/CppLibraries/CppCodeBase/Generated/CompiledBinaries/LinuxMakeGccDebug/CodeAssistant_expensive_tests)
==11397== by 0x6A30AD4: (below main) (libc-start.c:246)
Now I am not sure if this is a problem of running valgrind in a docker
container or if my container has a different libc then my virtual
machine which may cause the problem.
Do you have experience with valgrind in a container and are there any
known issues?
Cheers Knitschi
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