Workaround on UAF in dwarf-process.c

[wargio]

Your checklist for this pull request

• I've read the guidelines for contributing to this repository
• I made sure to follow the project's coding style
• I've documented or updated the documentation of every function and struct this PR changes. If not so I've explained why.
• I've added tests that prove my fix is effective or that my feature works (if possible)
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Detailed description

There is a UAF in dwarf_process.c and this is a workaround till the proper fix is applied.

[wargio]

@imbillow this is for visibility.

[wargio]

Approved on side channel