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core-dumps

Use when loading core files in GDB or LLDB, enabling core dump generation via ulimit or coredumpctl, mapping symbols with debuginfod, or extracting backtraces from production segfaults.

.devin/skills/core-dumps/SKILL.md

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Sep 28, 2026
License
Apache-2.0

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# Core dumps

## Contract

| Field | Bound contract |
|---|---|
| Trigger | A program crashed and left a core file, cores need enabling on Linux or macOS, symbols are missing for a production binary, or a backtrace is needed without re-running the program. |
| Authority | Read-only. Emits analysis and commands for the operator to run on the target; no file writes, no rollback needed. No remote mutation. |
| Side effect | Diagnostic commands and a crash verdict in chat. Nothing is written. |
| Done | The crashing frame, signal, and faulting access are named, or the missing prerequisite (symbols, core file, build ID) is stated. |

## Inputs

1. Core file or crash record (required): a `core` file, a `coredumpctl` entry, or a `/cores/core.<PID>` file on macOS.