With a newer kernel, the last command succeeds (not output): root@ubuntu1804hwe:~# uname -a Linux ubuntu1804hwe 5.9.0-rc3-ge1b81391421b+6wind-net #1 SMP Mon Sep 21 19:31:31 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux root@ubuntu1804hwe:~# tc filter add dev dummy1 egress matchall action bpf obj ./test.o sec test root@ubuntu1804hwe:~#
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1896504 Title: tc/ebpf: unable to use BPF_FUNC_skb_change_head Status in linux package in Ubuntu: Incomplete Bug description: [Impact] tc ebpf program that uses BPF_FUNC_skb_change_head are rejected. This helper exists since linux v4.10, but it cannot be used until the the upstream commit 6f3f65d80dac ("net: bpf: Allow TC programs to call BPF_FUNC_skb_change_head"): https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6f3f65d80dac [Test Case] Create a, ebpf program that uses this helper and load it with tc. [Regression Potential] The patch is trivial, the potential regressions are low. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1896504/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
