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fix(cache): fix use after free in lv_cache_invalidate_by_src (#4853)

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Signed-off-by: rongyichang <rongyichang@xiaomi.com>
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terry.rong 2023-11-23 15:23:40 +08:00 committed by GitHub
parent dbf0444d79
commit cf74e81917
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1 changed files with 3 additions and 1 deletions
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4
src/misc/lv_cache.c
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@ -100,11 +100,13 @@ void lv_cache_invalidate(lv_cache_entry_t * entry)
void lv_cache_invalidate_by_src(const void * src, lv_cache_src_type_t src_type) void lv_cache_invalidate_by_src(const void * src, lv_cache_src_type_t src_type)
{ {
lv_cache_entry_t * next;
LV_ASSERT(_cache_manager.locked); LV_ASSERT(_cache_manager.locked);
lv_cache_entry_t * entry = lv_cache_find_by_src(NULL, src, src_type); lv_cache_entry_t * entry = lv_cache_find_by_src(NULL, src, src_type);
while(entry) { while(entry) {
next = lv_cache_find_by_src(entry, src, src_type);
lv_cache_invalidate(entry); lv_cache_invalidate(entry);
entry = lv_cache_find_by_src(entry, src, src_type); entry = next;
} }
} }