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Commit 4e2840ee authored by John Fastabend's avatar John Fastabend Committed by David S. Miller
Browse files

net: sched: cls_u32: rcu can not be last node 



tc_u32_sel 'sel' in tc_u_knode expects to be the last element in the
structure and pads the structure with tc_u32_key fields for each key.

 kzalloc(sizeof(*n) + s->nkeys*sizeof(struct tc_u32_key), GFP_KERNEL)

CC: Eric Dumazet <edumazet@google.com>
Signed-off-by: default avatarJohn Fastabend <john.r.fastabend@intel.com>
Acked-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ab34f648

net/sched/cls_u32.c

+4 −1
Original line number Diff line number Diff line
@@ -64,8 +64,11 @@ struct tc_u_knode { 
	u32 __percpu		*pcpu_success;

#endif

	struct tcf_proto	*tp;

	struct tc_u32_sel	sel;

	struct rcu_head		rcu;

	/* The 'sel' field MUST be the last field in structure to allow for

	 * tc_u32_keys allocated at end of structure.

	 */

	struct tc_u32_sel	sel;

};



struct tc_u_hnode {