Clear csum_flags after reading data from socket buffer. Otherwise,
if ksocket is connected to an interface-type node somewhere later in the graph (e.g., ng_eiface or ng_iface), the csum_data may be applied to a wrong packet (if we encapsulate Ethernet or IP). MFC after: 3 days
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=155877
@ -1120,6 +1120,7 @@ ng_ksocket_incoming2(node_p node, hook_p hook, void *arg1, int waitflag)
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* Also, do not trust that soreceive() will clear m_nextpkt
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* for us (e.g. kern/84952, kern/82413).
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*/
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m->m_pkthdr.csum_flags = 0;
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for (n = m, m->m_pkthdr.len = 0; n != NULL; n = n->m_next) {
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m->m_pkthdr.len += n->m_len;
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n->m_nextpkt = NULL;
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