sqlite: always copy changeset before applying - #65870
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SQLite can invoke JavaScript through user-defined SQL functions while applying a changeset, even when no filter or conflict callback is set. Copy non-empty changesets unconditionally so JavaScript cannot detach or modify the input while SQLite is still reading it. Signed-off-by: Kamat, Trivikram <16024985+trivikr@users.noreply.github.com> Assisted-by: codex
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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #65870 +/- ##
==========================================
- Coverage 90.19% 90.18% -0.01%
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Files 771 771
Lines 264628 264627 -1
Branches 50237 50235 -2
==========================================
- Hits 238683 238658 -25
- Misses 16953 16960 +7
- Partials 8992 9009 +17
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Refs: #65286 (comment)
SQLite can invoke JavaScript through user-defined SQL functions while applying a changeset, even when no filter or conflict callback is set. Copy non-empty changesets unconditionally so JavaScript cannot detach or modify the input while SQLite is still reading it.
Assisted-by: codex