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vim-patch:8.0.1193: crash when wiping buffer after getbufinfo()

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Problem:    Crash when wiping out a buffer after using getbufinfo().
            (Yegappan Lakshmanan)
Solution:   Remove b:changedtick from the buffer variables.

(Note: The test changes in vim-patch:8.0.1193 were already included.)
This commit is contained in:
Justin M. Keyes
2018-10-28 12:45:30 +01:00
parent 48dc6344d6
commit feee862064
2 changed files with 4 additions and 2 deletions
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2
src/nvim/buffer.c
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@@ -757,6 +757,8 @@ static void free_buffer(buf_T *buf)
handle_unregister_buffer(buf); handle_unregister_buffer(buf);
buf_free_count++; buf_free_count++;
free_buffer_stuff(buf, true); free_buffer_stuff(buf, true);
// b:changedtick uses an item in buf_T, remove it now.
tv_dict_item_remove(buf->b_vars, (dictitem_T *)&buf->changedtick_di);
unref_var_dict(buf->b_vars); unref_var_dict(buf->b_vars);
aubuflocal_remove(buf); aubuflocal_remove(buf);
tv_dict_unref(buf->additional_data); tv_dict_unref(buf->additional_data);

4
src/nvim/buffer_defs.h
View File

@@ -508,9 +508,9 @@ struct file_buffer {
int b_changed; // 'modified': Set to true if something in the int b_changed; // 'modified': Set to true if something in the
// file has been changed and not written out. // file has been changed and not written out.
/// Change identifier incremented for each change, including undo /// Change-identifier incremented for each change, including undo.
/// ///
/// This is a dictionary item used to store in b:changedtick. /// This is a dictionary item used to store b:changedtick.
ChangedtickDictItem changedtick_di; ChangedtickDictItem changedtick_di;
varnumber_T b_last_changedtick; // b:changedtick when TextChanged or varnumber_T b_last_changedtick; // b:changedtick when TextChanged or