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authorAvneesh Sachdev <avneesh@opensourcerouting.org>2012-05-05 23:50:30 -0700
committerDavid Lamparter <equinox@opensourcerouting.org>2012-10-25 10:15:59 -0700
commita22ab5a560c7a46f6ecc6feb874c0dbbde9699c6 (patch)
tree0f2eb80dc14b21ef14e0de45e1f32d581c7186c0 /doc/fig_topologies_full.dia
parent4effc29fb1c33a87a8d386de39c20d36a6956645 (diff)
isisd: tighten checks on ISIS pdu length
* isisd/isis_pdu.c: Fix problem where isisd would crash if it received a LAN IIH with the 'pdu length' field set to zero. Similar problems can occur in parsing other ISIS PDUs as well -- check that the PDU length in an ISIS hello, LSP or SNP packet is at least as big as the size of the respective fixed header.
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