From cd3233c289d4204ebb0148fe49d02ef5f69c5e37 Mon Sep 17 00:00:00 2001 From: Michael Lingelbach Date: Fri, 11 Jun 2021 04:09:56 -0400 Subject: fix(lua): ensure vim.region truncates to buf range If vim.region receives a large range outside of the current buffer bounds, it will not check the range ahead of time and loop until neovim exhausts the system memory. Fixes #14743 --- src/nvim/lua/vim.lua | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src') diff --git a/src/nvim/lua/vim.lua b/src/nvim/lua/vim.lua index 5c9c5103a7..8cecaa51dd 100644 --- a/src/nvim/lua/vim.lua +++ b/src/nvim/lua/vim.lua @@ -349,6 +349,11 @@ function vim.region(bufnr, pos1, pos2, regtype, inclusive) vim.fn.bufload(bufnr) end + -- check that region falls within current buffer + local buf_line_count = vim.api.nvim_buf_line_count(bufnr) + pos1[1] = math.min(pos1[1], buf_line_count - 1) + pos2[1] = math.min(pos2[1], buf_line_count - 1) + -- in case of block selection, columns need to be adjusted for non-ASCII characters -- TODO: handle double-width characters local bufline -- cgit