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Merge branch 'fix-crash' into 'main'

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util: fix use-after-free in for_each_helper

See merge request wayland/wayland!536
This commit is contained in:
YaNing Lu 2026-03-30 00:55:36 +00:00
commit 6016a04473
1 changed files with 5 additions and 3 deletions
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8
src/wayland-util.c
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@ -424,10 +424,12 @@ for_each_helper(struct wl_array *entries, wl_iterator_func_t func, void *data)
union map_entry entry, *start; union map_entry entry, *start;
size_t count; size_t count;
start = (union map_entry *) entries->data; for (size_t idx = 0; ; idx++) {
count = entries->size / sizeof(union map_entry); count = entries->size / sizeof(union map_entry);
if (idx >= count)
break;
for (size_t idx = 0; idx < count; idx++) { start = (union map_entry *) entries->data;
entry = start[idx]; entry = start[idx];
if (entry.data && !map_entry_is_free(entry)) { if (entry.data && !map_entry_is_free(entry)) {
ret = func(map_entry_get_data(entry), data, map_entry_get_flags(entry)); ret = func(map_entry_get_data(entry), data, map_entry_get_flags(entry));