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Debugger hardening#217

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goodboy wants to merge 18 commits intobi_streaminggoodboy/tractor:bi_streamingfrom debugger_hardeninggoodboy/tractor:debugger_hardeningCopy head branch name to clipboard

+452-123

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Commits on Jul 5, 2021

• Add debug example that causes pdb stdin clobbering

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• Don't kill root's immediate children when in debug

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• Don't shield on root cancel it can causes hangs

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• Catch and delay errors in the root if debugger is active

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• Don't shield debugger status wait; it causes hangs

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• Move debugger wait inside OCA nursery

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• Add PDB level and make runtime below info but above debug

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• Move some infos to runtime level

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• Fix hard kill in debug mode; only do it when debug lock is empty

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• Distinguish between a local pdb unlock and the tty unlock in root

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• Solve the root-cancels-child-in-tty-lock race

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• Go back to only logging crashes if no pdb gets engaged

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• Comment hard-kill-sidestep for now since nursery version covers it?

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• Go back to only logging tbs on no debugger

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• Adjust debug tests to accomodate no more root clobbering

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• Add fast fail test using the context api

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• Flip "trace" level to "transport" level logging

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• Change trace to transport level

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