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wlr_seat destroy: fix use-after-free after primary selection source cancel

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the primary_selection_source_destroy list points to memory freed by
that cancel callback, so remove from list before freeing
This commit is contained in:
Dominique Martinet 2018-07-01 21:02:35 +09:00
parent 07209d062c
commit 9ddc2f39d0
1 changed files with 1 additions and 1 deletions
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2
types/seat/wlr_seat.c
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@ -168,9 +168,9 @@ void wlr_seat_destroy(struct wlr_seat *seat) {
seat->selection_source = NULL; seat->selection_source = NULL;
} }
if (seat->primary_selection_source) { if (seat->primary_selection_source) {
wl_list_remove(&seat->primary_selection_source_destroy.link);
seat->primary_selection_source->cancel(seat->primary_selection_source); seat->primary_selection_source->cancel(seat->primary_selection_source);
seat->primary_selection_source = NULL; seat->primary_selection_source = NULL;
wl_list_remove(&seat->primary_selection_source_destroy.link);
} }
struct wlr_seat_client *client, *tmp; struct wlr_seat_client *client, *tmp;