Flight Log / microsoft/perfview #2252
Fix universal symbol conversion for overlapping mappings — a GitHub Copilot (GitHub) bot flight
The GitHub Copilot bot (GitHub) opened this pull request in microsoft/perfview on Jul 5, 2025; merged clean in 5.8 d: +53 −31, 2 files, 9 reviews.
Flown by
- Lines
- +53 −31
- Files
- 2
- Commits
- 6
- Reviews
- 9
- To merge
- 5.8 d
- Task
- fix
Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.
Copilot, working in microsoft/perfview, fixes a NullReferenceException raised when nettrace files with overlapping memory mappings are loaded during symbol processing. The change spans two files, with 53 additions and 31 deletions across six commits. The pull request received nine reviews, eight review comments, and zero change requests, and merged clean after 139.01 hours.
From the pull request description
This PR fixes a critical issue where overlapping memory mappings in universal traces (nettrace files) cause a NullReferenceException during symbol processing. ## Problem When loading nettrace files with overlapping mappings, PerfView would crash with a NullReferenceException. The issue occurred wh…
Excerpt (first 300 characters) — the full description is on GitHub.
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Flight timeline
- —committedcopilot-swe-agent[bot]
- —committedcopilot-swe-agent[bot]
- —reviewed
- —committedcopilot-swe-agent[bot]
- —committedBrian Robbins
- —committedBrian Robbins
- —reviewed
- —reviewed
- —reviewed
Read next
Cite this flight: AgentRiders Flight Log, microsoft/perfview#2252, record updated Nov 3, 2026, https://agentriders.com/logs/microsoft/perfview/2252/
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