56cc1d37bce78e488447428afdce7defad865ad2

Instead of caching packet address pointer, store packet handle in page fault req info structutre to obtain packet address through mem manager to avoid potential access to dangling packet pointer which resulted from UMD called to free the packet buffer before kernel finishes handling page fault. If the packet was freed, then querying to get packet address from memory manager will fail since the mem handle is invalid. If it is invalid, the page fault handler will return before accessing the dangling packet. CRs-Fixed: 3287554 Change-Id: I02bc0c706b64f1dc0d098d8189f2f129a91efba7 Signed-off-by: Sokchetra Eung <quic_eung@quicinc.com>
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