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commitc5d2b6fa26upstream. Similar to commit0f7d9b31ce("netfilter: nf_tables: fix use-after-free in nft_set_catchall_destroy()"). We can not access k after kfree_rcu() call. Cc: stable@vger.kernel.org Signed-off-by: Min Li <lm0963hack@gmail.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>