On Mon, 28 Dec 2020 15:21:21 +0000 Taehee Yoo wrote: > This patchset is to fix problems when bareudp is used nestedly. > > 1. If the NETIF_F_LLTX flag is not set, the lockdep warns about > a possible deadlock scenario when bareudp interfaces are used nestedly. > But, like other tunneling interfaces, bareudp doesn't need xmit lock. > So, it sets NETIF_F_LLTTX. > Lockdep no more warns about a possible deadlock scenario. > > 2. bareudp interface calculates min_headroom when it sends a packet. > When it calculates min_headroom, it uses the size of struct iphdr even > the ipv6 packet is going to be sent. > It would result in a lack of headroom so eventually occurs kernel panic.
Applied, thanks!
