Re: [PATCH net-next] fou: Prevent unbounded recursion in GUE error handler

2018-12-17 Thread David Miller
From: Stefano Brivio Date: Tue, 18 Dec 2018 00:13:17 +0100 > Handling exceptions for direct UDP encapsulation in GUE (that is, > UDP-in-UDP) leads to unbounded recursion in the GUE exception handler, > syzbot reported. > > While draft-ietf-intarea-gue-06 doesn't explicitly forbid direct > encaps

[PATCH net-next] fou: Prevent unbounded recursion in GUE error handler

2018-12-17 Thread Stefano Brivio
Handling exceptions for direct UDP encapsulation in GUE (that is, UDP-in-UDP) leads to unbounded recursion in the GUE exception handler, syzbot reported. While draft-ietf-intarea-gue-06 doesn't explicitly forbid direct encapsulation of UDP in GUE, it probably doesn't make sense to set up GUE this