Hi Kevin,
[...]
> static __fastpath_inline
> @@ -4920,6 +4963,7 @@ __do_krealloc(const void *p, size_t new_size, gfp_t
> flags)
> /* Zero out spare memory. */
> if (want_init_on_alloc(flags)) {
> kasan_disable_current();
> + 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
