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neovim/test/functional/ui
Lewis Russell eb4676c67f fix: disallow removing extmarks in on_lines callbacks (#23219)
fix(extmarks): disallow removing extmarks in on_lines callbacks

decor_redraw_start (which runs before decor_providers_invoke_lines) gets
references for the extmarks on a specific line. If these extmarks are
deleted in on_lines callbacks then this results in a heap-use-after-free
error.

Fixes #22801
2023-04-27 17:30:22 +01:00
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