Crash report

1. remove_unused_consts in Python/flowgraph.c

When PyMem_Malloc(nconsts * sizeof(Py_ssize_t)); fails, we need to set an exception.

2. gethandlelist and getattributelist in _winapi.c

This place misses it:

All other error paths set exceptions, except this if:

3. _channelends_new in Modules/_interpchannelsmodule.c

Later we check for errors in handle_channel_error, it requires either setting err to non -1 or to set Python exception. Both are false, it fails with the assertion failure.

Linked PRs

• gh-151126: Fix missing PyErr_NoMemory() in remove_unused_consts #151127
• [3.15] gh-151126: Fix missing PyErr_NoMemory() in remove_unused_consts (GH-151127) #151134
• [3.14] gh-151126: Fix missing PyErr_NoMemory() in remove_unused_consts (GH-151127) #151135
• [3.13] gh-151126: Fix missing PyErr_NoMemory() in remove_unused_consts (GH-151127) #151136
• gh-151126: Add PyErr_NoMemory() in strong_cache_node_new #151137
• gh-151126: Add missing PyErr_NoMemory in _winapi module #151154
• [3.15] gh-151126: Add missing PyErr_NoMemory in _winapi module (GH-151154) #151180
• [3.14] gh-151126: Add missing PyErr_NoMemory in _winapi module (GH-151154) #151181
• [3.13] gh-151126: Add missing PyErr_NoMemory in _winapi module (GH-151154) #151182
• gh-151126: Fix missing memory errors in _interpchannelsmodule.c #151239
• [3.15] gh-151126: Fix missing memory errors in _interpchannelsmodule.c (GH-151239) #151265
• [3.13] gh-151126: Fix missing memory errors in _interpchannelsmodule.c (GH-151239) #151266
• [3.14] gh-151126: Fix missing memory errors in _interpchannelsmodule.c (GH-151239) #151336
• [3.13] gh-151126: Fix missing memory errors in _interpchannelsmodule.c (GH-151239) #151338
• gh-151126: Fix missing memory error in os._path_splitroot #151339
• [3.15] gh-151126: Fix missing memory error in os._path_splitroot (GH-151339) #151360
• [3.14] gh-151126: Fix missing memory error in os._path_splitroot (GH-151339) #151361
• [3.13] gh-151126: Fix missing memory error in os._path_splitroot (GH-151339) #151362
• gh-151126: Fix crash on unset memory error in ctypes.get_errno #151382
• [3.15] gh-151126: Fix crash on unset memory error in ctypes.get_errno (GH-151382) #151398
• [3.14] gh-151126: Fix crash on unset memory error in ctypes.get_errno (GH-151382) #151399
• [3.13] gh-151126: Fix crash on unset memory error in ctypes.get_errno (GH-151382) #151400
• gh-151126: Fix missing PyErr_NoMemory in fileutils.c #151580
• gh-151126: Fix missing PyErr_NoMemory in typeobject.c #151582
• gh-151126: Add missing PyErr_NoMemory in _winapi.c #151588
• gh-151126: Fix missing PyErr_NoMemory in getpath.c #151590
• gh-151126:Fix missing memory errors in _interpretersmodule.c #151624
• gh-151126: Fix missing memory errors in _interpqueuesmodule.c #151639
• [3.13] gh-151126: Add missing PyErr_NoMemory() in type_from_slots_or_spec (GH-151582) #152014
• [3.14] gh-151126: Add missing PyErr_NoMemory() in type_from_slots_or_spec (GH-151582) #152015
• [3.15] gh-151126: Add missing PyErr_NoMemory() in type_from_slots_or_spec (GH-151582) #152016
• [3.15] gh-151126: Fix missing memory errors in _interpretersmodule.c (GH-151624) #152169
• [3.14] gh-151126: Fix missing memory errors in _interpretersmodule.c (GH-151624) #152170
• gh-151126: Fix missing PyErr_NoMemory in testinternalcapi.c #152177
• [3.15] gh-151126: Fix missing PyErr_NoMemory in testinternalcapi.c (GH-152177) #152179
• [3.14] gh-151126: Fix missing PyErr_NoMemory in testinternalcapi.c (GH-152177) #152180
• [3.13] gh-151126: Fix missing PyErr_NoMemory in testinternalcapi.c (GH-152177) #152181
• [3.15] gh-151126: Add missing PyErr_NoMemory in _winapi.c (GH-151588) #152182
• [3.14] gh-151126: Add missing PyErr_NoMemory in _winapi.c (GH-151588) #152183
• [3.13] gh-151126: Add missing PyErr_NoMemory in _winapi.c (GH-151588) #152184
• gh-151126: Sets missing exceptions in tkinter and socket modules initializations #152418
• [3.15] gh-151126: Sets missing exceptions in tkinter and socket modules initializations (GH-152418) #152420
• [3.14] gh-151126: Sets missing exceptions in tkinter and socket modules initializations (GH-152418) #152421
• [3.13] gh-151126: Sets missing exceptions in tkinter and socket modules initializations (GH-152418) #152422
• gh-151126: Fix a possible crash during the startup with no memory under Py_STACKREF_DEBUG #152478
• [3.15] gh-151126: Fix a possible crash during the startup with no memory under Py_STACKREF_DEBUG (GH-152478) #152677
• [3.14] gh-151126: Fix a possible crash during the startup with no memory under Py_STACKREF_DEBUG (GH-152478) #152678
• gh-151126: Fix PyErr_NoMemory errors in _ctypes.c  #152720
• gh-151126: Set MemoryError in test C API allocation failures #153215
• [3.13] gh-151126: Fix PyErr_NoMemory errors in _ctypes.c (GH-152720) #153708
• [3.14] gh-151126: Fix PyErr_NoMemory errors in _ctypes.c (GH-152720) #153709
• [3.15] gh-151126: Fix PyErr_NoMemory errors in _ctypes.c (GH-152720) #153710
• [3.13] gh-151126: Fix missing memory errors in _interpretersmodule.c  #153765
• gh-151126: Set MemoryError on allocation failure in CJK codec macros #156292
• gh-151126: Check strdup result in readline on_completion #156299
• gh-151126: Set MemoryError on alloc failure in _PyXIData_InitWithSize #156301