Hi, On Thu, Jul 19, 2018 at 11:28:28AM +0200, Thomas Leuxner wrote: > * Ben Hutchings <b...@decadent.org.uk> 2018.07.18 23:28: > > > No, I don't believe the default has changed. I was suggesting that > > perhaps that parameter had been changed on this system before the > > reboot. > > Well I haven't changed it. There is a recent ticket submitted (for > another Kernel) which seems to indicate it has been changed > upstream: > > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772775
Can you check if the attached patch fixes the issue for you? https://kernel-team.pages.debian.net/kernel-handbook/ch-common-tasks.html#s4.2.2 Regards, Salvatore
From: "David S. Miller" <da...@davemloft.net> Date: Tue, 6 Jun 2017 11:34:06 -0400 Subject: Revert "sit: reload iphdr in ipip6_rcv" Origin: https://git.kernel.org/linus/f4eb17e1efe538d4da7d574bedb00a8dafcc26b7 Bug-Debian: https://bugs.debian.org/903776 This reverts commit b699d0035836f6712917a41e7ae58d84359b8ff9. As per Eric Dumazet, the pskb_may_pull() is a NOP in this particular case, so the 'iph' reload is unnecessary. Signed-off-by: David S. Miller <da...@davemloft.net> [carnil: cherry pick 5b8fcc075714b86fb8fe194bb463fed2998a8e85 which is the backport of f4eb17e1efe538d4da7d574bedb00a8dafcc26b7 in 4.9.112] --- net/ipv6/sit.c | 1 - 1 file changed, 1 deletion(-) diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index ae0485d776f4..fc7ca1e46908 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -659,7 +659,6 @@ static int ipip6_rcv(struct sk_buff *skb) if (iptunnel_pull_header(skb, 0, htons(ETH_P_IPV6), !net_eq(tunnel->net, dev_net(tunnel->dev)))) goto out; - iph = ip_hdr(skb); err = IP_ECN_decapsulate(iph, skb); if (unlikely(err)) { -- 2.18.0