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* vim-patch:9.0.2106: [security]: Use-after-free in win_close()zeertzjq2023-11-17
Problem: [security]: Use-after-free in win_close() Solution: Check window is valid, before accessing it If the current window structure is no longer valid (because a previous autocommand has already freed this window), fail and return before attempting to set win->w_closing variable. Add a test to trigger ASAN in CI https://github.com/vim/vim/commit/25aabc2b8ee1e19ced6f4da9d866cf9378fc4c5a Co-authored-by: Christian Brabandt <cb@256bit.org>