Patch 1/2 takes care of preventing the issue fixed by commit 11789039da53 ("fou: Prevent unbounded recursion in GUE error handler") also with UDP-Lite payloads -- I just realised this might happen from a syzbot report.
Patch 2/2 fixes the issue for both UDP and UDP-Lite on IPv6, which I also forgot to deal with in that same commit. Stefano Brivio (2): fou: Prevent unbounded recursion in GUE error handler also with UDP-Lite fou6: Prevent unbounded recursion in GUE error handler net/ipv4/fou.c | 3 ++- net/ipv6/fou6.c | 8 ++++++++ 2 files changed, 10 insertions(+), 1 deletion(-) -- 2.20.1