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patch 9.1.0728: [security]: heap-use-after-free in garbage collection with location list user data

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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: #15683

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
zeertzjq
2024-09-14 10:32:31 +02:00
committed by Christian Brabandt
parent d657d3d8fd
commit be4bd189d2
3 changed files with 18 additions and 0 deletions
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4
src/quickfix.c
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@@ -8011,6 +8011,10 @@ set_ref_in_quickfix(int copyID)
abort = mark_quickfix_ctx(win->w_llist_ref, copyID);
if (abort)
return abort;
abort = mark_quickfix_user_data(win->w_llist_ref, copyID);
if (abort)
return abort;
}
}