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CVS commit: src/sys/net

Module Name:    src
Committed By:   maxv
Date:           Mon Jan 15 13:14:18 UTC 2018

Modified Files:
        src/sys/net: if_ethersubr.c

Log Message:
Fix two bugs in altq_etherclassify. When scanning the mbuf chain we need
to make sure that m_next is not NULL, otherwise NULL deref. After that,
we must not touch m->m_pkthdr, given that 'm' may not be the first mbuf
of the chain anymore.

Declare mtop, and add a KASSERT to make sure it has M_PKTHDR set.

To generate a diff of this commit:
cvs rdiff -u -r1.254 -r1.255 src/sys/net/if_ethersubr.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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