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authorFan Du <fan.du@windriver.com>2013-12-16 18:47:48 +0800
committerSteffen Klassert <steffen.klassert@secunet.com>2013-12-16 12:54:00 +0100
commitea9884b3acf3311c8a11db67bfab21773f6f82ba (patch)
tree64c4a72014514a66150b62cb408b2c77efcc4c4c /net/key
parent0e0d44ab4275549998567cd4700b43f7496eb62b (diff)
downloadlinux-ea9884b3acf3311c8a11db67bfab21773f6f82ba.tar.bz2
xfrm: check user specified spi for IPComp
IPComp connection between two hosts is broken if given spi bigger than 0xffff. OUTSPI=0x87 INSPI=0x11112 ip xfrm policy update dst 192.168.1.101 src 192.168.1.109 dir out action allow \ tmpl dst 192.168.1.101 src 192.168.1.109 proto comp spi $OUTSPI ip xfrm policy update src 192.168.1.101 dst 192.168.1.109 dir in action allow \ tmpl src 192.168.1.101 dst 192.168.1.109 proto comp spi $INSPI ip xfrm state add src 192.168.1.101 dst 192.168.1.109 proto comp spi $INSPI \ comp deflate ip xfrm state add dst 192.168.1.101 src 192.168.1.109 proto comp spi $OUTSPI \ comp deflate tcpdump can capture outbound ping packet, but inbound packet is dropped with XfrmOutNoStates errors. It looks like spi value used for IPComp is expected to be 16bits wide only. Signed-off-by: Fan Du <fan.du@windriver.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/key')
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