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vim-patch:9.1.0728: [security]: heap-use-after-free in garbage collection with location list user data (#30377)

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Problem:  heap-use-after-free in garbage collection with location list
          user data.
Solution: Mark user data as in use when no other window is referencing
          the location list (zeertzjq)

fixes: neovim/neovim#30371
closes: vim/vim#15683

be4bd189d2
This commit is contained in:
zeertzjq
2024-09-14 19:38:33 +08:00
committed by GitHub
parent f2173b1aa2
commit 325d349f9d
2 changed files with 15 additions and 2 deletions
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3
src/nvim/quickfix.c
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@@ -6875,7 +6875,8 @@ bool set_ref_in_quickfix(int copyID)
// In a location list window and none of the other windows is
// referring to this location list. Mark the location list
// context as still in use.
if (mark_quickfix_ctx(win->w_llist_ref, copyID)) {
if (mark_quickfix_ctx(win->w_llist_ref, copyID)
|| mark_quickfix_user_data(win->w_llist_ref, copyID)) {
return true;
}
}