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2024-05-11 645e752c5a84baeb21015cdc85fc05b7d16312c8

 kernel/net/sched/ematch.c
.. .. @@ -255,6 +255,8 @@
255 255  			 * the value carried.
256 256  			 */
257 257  			if (em_hdr->flags & TCF_EM_SIMPLE) {
258 +				if (em->ops->datalen > 0)
259 +					goto errout;
258 260  				if (data_len < sizeof(u32))
259 261  					goto errout;
260 262  				em->data = *(u32 *) data;

..	..	@@ -255,6 +255,8 @@
255	255	* the value carried.
256	256	*/
257	257	if (em_hdr->flags & TCF_EM_SIMPLE) {
	258	+ if (em->ops->datalen > 0)
	259	+ goto errout;
258	260	if (data_len < sizeof(u32))
259	261	goto errout;
260	262	em->data = (u32 ) data;