tests/valgrind-python.supp

# Valgrind suppression file for CPython errors and leaks in pybind11 tests

# Taken verbatim from https://github.com/python/cpython/blob/3.9/Misc/valgrind-python.supp#L266-L272
{
   Uninitialised byte(s) false alarm, see bpo-35561
   Memcheck:Param
   epoll_ctl(event)
   fun:epoll_ctl
   fun:pyepoll_internal_ctl
}

{
   Python leaks when spawning a subprocess
   Memcheck:Leak
   fun:malloc
   fun:_PyMem_RawMalloc
   fun:PyMem_RawMalloc
   fun:PyThread_allocate_lock
   fun:_PyEval_InitState
   fun:PyInterpreterState_New
   ...
   fun:pyinit_core*
   fun:Py_InitializeFromConfig
   fun:pymain_init
   fun:pymain_main
}

{
   Python leaks when spawning a subprocess
   Memcheck:Leak
   fun:malloc
   fun:_PyMem_RawMalloc
   fun:_PyMem_DebugRawAlloc
   fun:_PyMem_DebugRawMalloc
   fun:PyMem_RawMalloc
   fun:PyThread_allocate_lock
   fun:_PyRuntimeState_Init_impl
   fun:_PyRuntimeState_Init
   fun:_PyRuntime_Initialize
   fun:pymain_init
   fun:pymain_main
   fun:Py_BytesMain
}

{
   Python leaks when spawning a subprocess
   Memcheck:Leak
   fun:malloc
   fun:_PyMem_RawMalloc
   fun:PyMem_RawMalloc
   fun:PyThread_allocate_lock
   fun:_PyImport_AcquireLock
   fun:_imp_acquire_lock_impl*
   fun:_imp_acquire_lock
   fun:cfunction_vectorcall_NOARGS
   fun:_PyObject_VectorcallTstate
   fun:PyObject_Vectorcall
   fun:call_function
   fun:_PyEval_EvalFrameDefault
   fun:_PyEval_EvalFrame
   fun:function_code_fastcall
}

{
   Python leaks when spawning a subprocess
   Memcheck:Leak
   fun:malloc
   fun:_PyMem_RawMalloc
   fun:PyMem_RawMalloc
   fun:PyThread_allocate_lock
   fun:newlockobject
   ...
   fun:cfunction_vectorcall_NOARGS
   fun:_PyObject_VectorcallTstate
   fun:PyObject_Vectorcall
   fun:call_function
   fun:_PyEval_EvalFrameDefault
   fun:_PyEval_EvalFrame
   fun:function_code_fastcall
   fun:_PyFunction_Vectorcall
}

{
   Python leaks when spawning a subprocess
   Memcheck:Leak
   fun:malloc
   fun:_PyMem_RawMalloc
   fun:PyMem_RawMalloc
   fun:PyThread_allocate_lock
   fun:rlock_new
   fun:type_call
   fun:_PyObject_Call
   fun:PyObject_Call
   fun:do_call_core
   fun:_PyEval_EvalFrameDefault
   fun:_PyEval_EvalFrame
   fun:_PyEval_EvalCode
   fun:_PyFunction_Vectorcall
}

# Not really CPython-specific, see link
{
   dlopen leak (https://stackoverflow.com/questions/1542457/memory-leak-reported-by-valgrind-in-dlopen)
   Memcheck:Leak
   fun:malloc
   ...
   fun:dl_open_worker
   fun:_dl_catch_exception
   fun:_dl_open
   fun:dlopen_doit
   fun:_dl_catch_exception
   fun:_dl_catch_error
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.2.5
   fun:_PyImport_FindSharedFuncptr
   fun:_PyImport_LoadDynamicModuleWithSpec
}

# Not really CPython-specific, see link
{
   dlopen leak (https://stackoverflow.com/questions/1542457/memory-leak-reported-by-valgrind-in-dlopen)
   Memcheck:Leak
   fun:malloc
   ...
   fun:dl_open_worker
   fun:_dl_catch_exception
   fun:_dl_open
   fun:dlopen_doit
   fun:_dl_catch_exception
   fun:_dl_catch_error
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.2.5
   fun:_PyImport_FindSharedFuncptr
   fun:_PyImport_LoadDynamicModuleWithSpec
}