rr is a lightweight tool for recording, replaying and debugging execution of applications (trees of processes and threads). Debugging extends gdb with very efficient reverse-execution, which in combination with standard gdb/x86 features like hardware data watchpoints, makes debugging much more fun.
rr development is sponsored by Pernosco and was originated by Mozilla.
There are no reported vulnerabilities
30 Day SummaryJan 9 2026 — Feb 8 2026
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12 Month SummaryFeb 8 2025 — Feb 8 2026
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