Bug report

Bug description:

@1st1 encountered some crashes due to this.

CPython versions tested on:

3.12, 3.13

Operating systems tested on:

No response

Linked PRs

• [3.12] gh-119213: Fix getargs.c to store state in InterpreterState... #119194
• gh-119213: Fix getargs.c to store state in InterpreterState... #119195
• gh-119213: Be More Careful About _PyArg_Parser.kwtuple Across Interpreters #119331
• [3.13] gh-119213: Be More Careful About _PyArg_Parser.kwtuple Across Interpreters (gh-119331) #119410
• [3.12] gh-119213: Be More Careful About _PyArg_Parser.kwtuple Across Interpreters (gh-119331) #119425