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authorStephen Hemminger <shemminger@vyatta.com>2010-08-05 10:26:31 -0700
committerPaul Jakma <paul@quagga.net>2011-03-21 13:15:32 +0000
commit7badc26301c8063dc2c6f171c11f9af4f3d0df20 (patch)
tree32ccf03522bacb163529e00c10df4798e5365808 /ospf6d/.cvsignore
parent368473f6120ff295253bcc0d774c6bd75d8cf98b (diff)
bgpd: fix use of free memory by update_rsclient
* bgp_route.c: (bgp_static_update_rsclient) BGP sometimes crashes when removing route server client because of use after free. The code to update rsclient created a local static copy of bgp attributes but neglected to handle the extra information pointer. The extra information was getting freed by bgp_attr_unintern() and reused later when the copy was passed to bgp_attr_intern(). The fix is to use the attr_dup function to create a copy of the extra information, then clean it up.
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