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Fix detached tab reattach UAF crash path

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This commit is contained in:
deepend-tildeclub
2026-05-22 14:50:44 -06:00
parent 353558ddb3
commit 15d647a0ec
1 changed files with 4 additions and 1 deletions
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5
src/fe-gtk/maingui.c
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@@ -2705,7 +2705,6 @@ mg_changui_destroy (session *sess)
/* it fixes: Gdk-CRITICAL **: gdk_colormap_get_screen: */ /* it fixes: Gdk-CRITICAL **: gdk_colormap_get_screen: */
/* assertion `GDK_IS_COLORMAP (cmap)' failed */ /* assertion `GDK_IS_COLORMAP (cmap)' failed */
ret = sess->gui->window; ret = sess->gui->window;
g_free (sess->gui);
sess->gui = NULL; sess->gui = NULL;
} }
return ret; return ret;
@@ -2727,13 +2726,17 @@ mg_link_irctab (session *sess, int focus)
return; return;
} }
session_gui *old_gui;
mg_unpopulate (sess); mg_unpopulate (sess);
old_gui = sess->gui;
win = mg_changui_destroy (sess); win = mg_changui_destroy (sess);
mg_changui_new (sess, sess->res, 1, focus); mg_changui_new (sess, sess->res, 1, focus);
/* the buffer is now attached to a different widget */ /* the buffer is now attached to a different widget */
((xtext_buffer *)sess->res->buffer)->xtext = (GtkXText *)sess->gui->xtext; ((xtext_buffer *)sess->res->buffer)->xtext = (GtkXText *)sess->gui->xtext;
if (win) if (win)
gtk_widget_destroy (win); gtk_widget_destroy (win);
g_free (old_gui);
} }
void void