https://lists.ubuntu.com/archives/kernel-team/2021-September/123898.html
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1892213 Title: psock_snd.sh in net from ubuntu_kernel_selftests ADT failure with focal/groovy/hirsute/impish Status in ubuntu-kernel-tests: In Progress Status in linux package in Ubuntu: In Progress Status in linux-oem-5.10 package in Ubuntu: Invalid Status in linux-oem-5.13 package in Ubuntu: Invalid Status in linux-oem-5.14 package in Ubuntu: Invalid Status in linux source package in Focal: In Progress Status in linux-oem-5.10 source package in Focal: In Progress Status in linux-oem-5.13 source package in Focal: In Progress Status in linux-oem-5.14 source package in Focal: In Progress Status in linux source package in Groovy: Won't Fix Status in linux source package in Hirsute: In Progress Status in linux-oem-5.10 source package in Hirsute: Invalid Status in linux-oem-5.13 source package in Hirsute: Invalid Status in linux-oem-5.14 source package in Hirsute: Invalid Bug description: [Impact] The expected to fail 'raw gso min size - 1' test in psock_snd.sh is not failing as expected, and thus this test will fail with: raw gso min size - 1 (expected to fail) tx: 1524 rx: 1472 OK This is because after commit 7c6d2ec ("net: be more gentle about silly gso requests coming from user"), we relaxed the min gso_size check in virtio_net_hdr_to_skb(). So when a packet which is smaller then the gso_size, GSO for this packet will not be set, the packet will be send/recv successfully. [Fix] * cfba3fb68960b4 selftests/net: remove min gso test in packet_snd This patch can be cherry-picked into all affected kernels. I decided to skip those 5.8 variants, as the current cycle (2021-09-06) might be the last cycle for them. [Test] Run this psock_snd.sh script, this test will no longer exist and the script can proceed with the next test. [Where problems could occur] Removing this broken test should not have any negative impact to our tests. We will need to update our hints later. [Original Bug Report] Testing failed on focal/linux 5.4.0-44.48: amd64: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/amd64/l/linux/20200812_171444_31971@/log.gz arm64: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/arm64/l/linux/20200812_210509_145fd@/log.gz ppc64el: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/ppc64el/l/linux/20200812_165855_1dabd@/log.gz s390x: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/s390x/l/linux/20200812_153600_9c7cb@/log.gz psock_snd.sh output: 16:28:30 DEBUG| [stdout] # selftests: net: psock_snd.sh 16:28:31 DEBUG| [stdout] # dgram 16:28:31 DEBUG| [stdout] # tx: 128 16:28:31 DEBUG| [stdout] # rx: 142 16:28:31 DEBUG| [stdout] # rx: 100 16:28:31 DEBUG| [stdout] # OK 16:28:31 DEBUG| [stdout] # 16:28:31 DEBUG| [stdout] # dgram bind 16:28:31 DEBUG| [stdout] # tx: 128 16:28:31 DEBUG| [stdout] # rx: 142 16:28:31 DEBUG| [stdout] # rx: 100 16:28:31 DEBUG| [stdout] # OK 16:28:31 DEBUG| [stdout] # 16:28:31 DEBUG| [stdout] # raw 16:28:31 DEBUG| [stdout] # tx: 142 16:28:31 DEBUG| [stdout] # rx: 142 16:28:31 DEBUG| [stdout] # rx: 100 16:28:31 DEBUG| [stdout] # OK 16:28:31 DEBUG| [stdout] # 16:28:31 DEBUG| [stdout] # raw bind 16:28:31 DEBUG| [stdout] # tx: 142 16:28:31 DEBUG| [stdout] # rx: 142 16:28:31 DEBUG| [stdout] # rx: 100 16:28:31 DEBUG| [stdout] # OK 16:28:31 DEBUG| [stdout] # 16:28:31 DEBUG| [stdout] # raw qdisc bypass 16:28:31 DEBUG| [stdout] # tx: 142 16:28:31 DEBUG| [stdout] # rx: 142 16:28:31 DEBUG| [stdout] # rx: 100 16:28:31 DEBUG| [stdout] # OK 16:28:31 DEBUG| [stdout] # 16:28:31 DEBUG| [stdout] # raw vlan 16:28:31 DEBUG| [stdout] # tx: 146 16:28:31 DEBUG| [stdout] # rx: 100 16:28:31 DEBUG| [stdout] # OK 16:28:31 DEBUG| [stdout] # 16:28:31 DEBUG| [stdout] # raw vnet hdr 16:28:31 DEBUG| [stdout] # tx: 152 16:28:31 DEBUG| [stdout] # rx: 142 16:28:31 DEBUG| [stdout] # rx: 100 16:28:31 DEBUG| [stdout] # OK 16:28:31 DEBUG| [stdout] # 16:28:31 DEBUG| [stdout] # raw csum_off 16:28:31 DEBUG| [stdout] # tx: 152 16:28:31 DEBUG| [stdout] # rx: 142 16:28:31 DEBUG| [stdout] # rx: 100 16:28:31 DEBUG| [stdout] # OK 16:28:31 DEBUG| [stdout] # 16:28:31 DEBUG| [stdout] # raw csum_off with bad offset (fails) 16:28:31 DEBUG| [stdout] # ./psock_snd: write: Invalid argument 16:28:31 DEBUG| [stdout] # raw min size 16:28:31 DEBUG| [stdout] # tx: 42 16:28:31 DEBUG| [stdout] # rx: 0 16:28:31 DEBUG| [stdout] # OK 16:28:31 DEBUG| [stdout] # 16:28:31 DEBUG| [stdout] # raw mtu size 16:28:31 DEBUG| [stdout] # tx: 1514 16:28:31 DEBUG| [stdout] # rx: 1472 16:28:31 DEBUG| [stdout] # OK 16:28:31 DEBUG| [stdout] # 16:28:31 DEBUG| [stdout] # raw mtu size + 1 (fails) 16:28:31 DEBUG| [stdout] # ./psock_snd: write: Message too long 16:28:31 DEBUG| [stdout] # raw vlan mtu size + 1 (fails) 16:28:31 DEBUG| [stdout] # ./psock_snd: write: Message too long 16:28:32 DEBUG| [stdout] # dgram mtu size 16:28:32 DEBUG| [stdout] # tx: 1500 16:28:32 DEBUG| [stdout] # rx: 1472 16:28:32 DEBUG| [stdout] # OK 16:28:32 DEBUG| [stdout] # 16:28:32 DEBUG| [stdout] # dgram mtu size + 1 (fails) 16:28:32 DEBUG| [stdout] # ./psock_snd: write: Message too long 16:28:32 DEBUG| [stdout] # raw truncate hlen (fails: does not arrive) 16:28:32 DEBUG| [stdout] # tx: 14 16:28:32 DEBUG| [stdout] # ./psock_snd: recv: Resource temporarily unavailable 16:28:32 DEBUG| [stdout] # raw truncate hlen - 1 (fails: EINVAL) 16:28:32 DEBUG| [stdout] # ./psock_snd: write: Invalid argument 16:28:32 DEBUG| [stdout] # raw gso min size 16:28:32 DEBUG| [stdout] # tx: 1525 16:28:32 DEBUG| [stdout] # rx: 1473 16:28:32 DEBUG| [stdout] # OK 16:28:32 DEBUG| [stdout] # 16:28:32 DEBUG| [stdout] # raw gso min size - 1 (fails) 16:28:32 DEBUG| [stdout] # tx: 1524 16:28:32 DEBUG| [stdout] # rx: 1472 16:28:32 DEBUG| [stdout] # OK 16:28:32 DEBUG| [stdout] # 16:28:32 DEBUG| [stdout] not ok 22 selftests: net: psock_snd.sh # exit=1 This failure is similar to bug 1884234, however, this test didn't fail on ADT with focal/linux before 5.4.0-44.48. 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