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-rw-r--r--src/nvim/testdir/test_tabpage.vim14
-rw-r--r--src/nvim/version.c2
-rw-r--r--src/nvim/window.c32
3 files changed, 37 insertions, 11 deletions
diff --git a/src/nvim/testdir/test_tabpage.vim b/src/nvim/testdir/test_tabpage.vim
index f1c41e967b..7bdea0b186 100644
--- a/src/nvim/testdir/test_tabpage.vim
+++ b/src/nvim/testdir/test_tabpage.vim
@@ -218,4 +218,18 @@ function Test_tabpage_with_tab_modifier()
bw!
endfunction
+func Test_tabnext_on_buf_unload()
+ " This once caused a crash
+ new
+ tabedit
+ tabfirst
+ au BufUnload <buffer> tabnext
+ q
+
+ while tabpagenr('$') > 1
+ quit
+ endwhile
+endfunc
+
+
" vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/nvim/version.c b/src/nvim/version.c
index fffd8e79de..f0f6f6a3cb 100644
--- a/src/nvim/version.c
+++ b/src/nvim/version.c
@@ -132,7 +132,7 @@ static int included_patches[] = {
// 2312,
// 2311,
// 2310 NA
- // 2309,
+ 2309,
// 2308 NA
// 2307,
// 2306,
diff --git a/src/nvim/window.c b/src/nvim/window.c
index c4e48a9732..2fb1fbede9 100644
--- a/src/nvim/window.c
+++ b/src/nvim/window.c
@@ -1935,7 +1935,7 @@ int win_close(win_T *win, int free_buf)
if (win->w_buffer != NULL) {
win->w_closing = true;
close_buffer(win, win->w_buffer, free_buf ? DOBUF_UNLOAD : 0, true);
- if (win_valid(win)) {
+ if (win_valid_any_tab(win)) {
win->w_closing = false;
}
@@ -1955,11 +1955,19 @@ int win_close(win_T *win, int free_buf)
curwin->w_buffer = curbuf;
getout(0);
}
- /* Autocommands may have closed the window already, or closed the only
- * other window or moved to another tab page. */
- else if (!win_valid(win) || last_window() || curtab != prev_curtab
- || close_last_window_tabpage(win, free_buf, prev_curtab))
+ // Autocommands may have moved to another tab page.
+ if (curtab != prev_curtab && win_valid_any_tab(win)
+ && win->w_buffer == NULL) {
+ // Need to close the window anyway, since the buffer is NULL.
+ win_close_othertab(win, false, prev_curtab);
return FAIL;
+ }
+ // Autocommands may have closed the window already, or closed the only
+ // other window or moved to another tab page.
+ if (!win_valid(win) || last_window()
+ || close_last_window_tabpage(win, free_buf, prev_curtab)) {
+ return FAIL;
+ }
// let terminal buffers know that this window dimensions may be ignored
win->w_closing = true;
@@ -2036,12 +2044,16 @@ void win_close_othertab(win_T *win, int free_buf, tabpage_T *tp)
tabpage_T *ptp = NULL;
int free_tp = FALSE;
- assert(win->w_buffer); // to avoid np dereference warning in next line
- if (win->w_closing || win->w_buffer->b_closing)
- return; /* window is already being closed */
+ // Get here with win->w_buffer == NULL when win_close() detects the tab page
+ // changed.
+ if (win->w_closing || (win->w_buffer != NULL && win->w_buffer->b_closing)) {
+ return; // window is already being closed
+ }
- /* Close the link to the buffer. */
- close_buffer(win, win->w_buffer, free_buf ? DOBUF_UNLOAD : 0, FALSE);
+ if (win->w_buffer != NULL) {
+ // Close the link to the buffer.
+ close_buffer(win, win->w_buffer, free_buf ? DOBUF_UNLOAD : 0, FALSE);
+ }
/* Careful: Autocommands may have closed the tab page or made it the
* current tab page. */