From d0fab10ed2a86698937e3c3fed2f10bd9bb5e731 Mon Sep 17 00:00:00 2001 From: Bram Moolenaar Date: Thu, 20 Oct 2022 16:03:33 +0100 Subject: patch 9.0.0805: filetype autocmd may cause freed memory access Problem: Filetype autocmd may cause freed memory access. Solution: Set the quickfix-busy flag while filling the buffer. --- src/quickfix.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/quickfix.c') diff --git a/src/quickfix.c b/src/quickfix.c index a90611475..f85fff56f 100644 --- a/src/quickfix.c +++ b/src/quickfix.c @@ -4595,6 +4595,9 @@ qf_update_buffer(qf_info_T *qi, qfline_T *old_last) qf_winid = win->w_id; } + // autocommands may cause trouble + incr_quickfix_busy(); + if (old_last == NULL) // set curwin/curbuf to buf and save a few things aucmd_prepbuf(&aco, buf); @@ -4616,6 +4619,9 @@ qf_update_buffer(qf_info_T *qi, qfline_T *old_last) // when the added lines are not visible. if ((win = qf_find_win(qi)) != NULL && old_line_count < win->w_botline) redraw_buf_later(buf, UPD_NOT_VALID); + + // always called after incr_quickfix_busy() + decr_quickfix_busy(); } } -- cgit v1.2.1