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authormvs <mvs@cvs.openbsd.org>2020-08-04 09:32:06 +0000
committermvs <mvs@cvs.openbsd.org>2020-08-04 09:32:06 +0000
commit27bbfbdc14249c84adf91a61c6e7f1beea3f8c8b (patch)
treead840ec723aa13e70b7054442a1c3cdba1af2eab /sys/netinet
parent8c5576158f04ff4e479af2a949b042339a0f0c63 (diff)
We have `pipexinq' and `pipexoutq' mbuf(9) queues to store pipex(4)
related mbufs. Each mbuf(9) passed to these queues stores the pointer to corresponding pipex(4) session referenced as `m_pkthdr.ph_cookie'. When session was destroyed its reference can still be in these queues so we have use after free issue while pipexintr() dereference it. I removed `pipexinq', `pipexoutq' and pipexintr(). This not only allows us to avoid issue described above, but also removes unnecessary context switch in packet processing. Also it makes code simpler. ok mpi@ yasuoka@
Diffstat (limited to 'sys/netinet')
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