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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #66356 +/- ##
==========================================
+ Coverage 90.49% 90.50% +0.01%
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Files 797 797
Lines 277811 277833 +22
Branches 53366 53367 +1
==========================================
+ Hits 251407 251455 +48
+ Misses 16795 16763 -32
- Partials 9609 9615 +6
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trivikr
marked this pull request as draft
September 29, 2026 16:58
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#66318 is merged, so this can come outof draft |
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A MemoryFileHandle snapshotted the file's buffer at open and never checked the entry again. After the file changed through the provider or another handle, an open handle served stale reads and fstat sizes, and its writes went into the old copy, undoing other handles' changes. Record the entry content each handle last saw or wrote, and adopt the entry's content whenever another handle has replaced it, so an open descriptor is a live view of the file as on a real filesystem. Signed-off-by: Trivikram Kamat <16024985+trivikr@users.noreply.github.com> Assisted-by: claude:opus-5.5
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Fixes: #66355
A MemoryFileHandle snapshotted the file's buffer at open and never checked the entry again. After the file changed through the provider or another handle, an open handle served stale reads and fstat sizes, and its writes went into the old copy, undoing other handles' changes.
Record the entry content each handle last saw or wrote, and adopt the entry's content whenever another handle has replaced it, so an open descriptor is a live view of the file as on a real filesystem.
Assisted-by: claude:opus-5.5