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authorStefano Brivio <sbrivio@redhat.com>2019-01-03 21:43:34 +0100
committerDavid S. Miller <davem@davemloft.net>2019-01-04 13:06:07 -0800
commitbc6e019b6ee65ff4ebf3ca272f774cf6c67db669 (patch)
tree7fd864915e5771b489b207b32e76eeda2f1bed19 /net/ipv6
parent41e4e2cd75346667b0c531c07dab05cce5b06d15 (diff)
downloadlinux-stericsson-bc6e019b6ee65ff4ebf3ca272f774cf6c67db669.tar.gz
fou: Prevent unbounded recursion in GUE error handler also with UDP-Lite
In commit 11789039da53 ("fou: Prevent unbounded recursion in GUE error handler"), I didn't take care of the case where UDP-Lite is encapsulated into UDP or UDP-Lite with GUE. From a syzbot report about a possibly similar issue with GUE on IPv6, I just realised the same thing might happen with a UDP-Lite inner payload. Also skip exception handling for inner UDP-Lite protocol. Fixes: 11789039da53 ("fou: Prevent unbounded recursion in GUE error handler") Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
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