rr-debugger / rr-debugger/rr

Add more stringent checks of buffered syscalls in DEBUG

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#195 2 comments 0 reactions 0 assignees View on GitHub

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Dominant language
C++
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Forks
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Avg merge
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Merged PRs (30d)
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Description

In #183, something is going way off the rails during replay, and I bet we could catch it earlier if we checked the pointer values and other non-outparam data passed to the syscall wrappers.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading issue #183 to understand the replay failure, then locate the syscall wrappers mentioned here. Determine which pointer values and other non-out-parameter data should be checked in DEBUG mode, and verify that those checks catch the earlier failure during replay.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp, linux
Domain
devtools, operating-systems
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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