CVSROOT:        /cvs
Module name:    src
Changes by:     [email protected]   2018/02/01 15:09:40

Modified files:
        sys/netinet6   : Tag: OPENBSD_6_1 frag6.c ip6_input.c ip6_var.h 
                         raw_ip6.c 

Log message:
The function ip6_get_prevhdr() did return a pointer into a mbuf.
It was not guaranteed that the mbuf data was not somewhere else in
the chain.  So return an offset and do a proper mbuf pulldown.
found by Maxime Villard; from NetBSD; with markus@; OK deraadt@
OpenBSD 6.1 errata 035

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