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> + guard(kpkeys_slab_write)(s); > if (orig_size && orig_size < new_size) > memset(kasan_reset_tag(p) + orig_size, 0, new_size - orig_size); > else guard(kpkeys_slab_write)(s) will trigger NULL-pointer access if *p* is allocated via kmalloc_large_noprof() (no kmem_cache, allocated via page_alloc()). IOW, "s" could be *NULL* in here. [...] Thanks. -- Sincerely, Yeoreum Yun