This isn't a new regression, I was also able to reproduce this on an c4a-standard-16 instance running 6.14.0-1014-gcp #15~24.04.1-Ubuntu.
$ while true; do sudo ./test_vxlan_fdb_changelink.sh; done It can be rare, but after 30 seconds or so I will see this in dmesg: [ 367.578719] lr : vxlan_xmit_one+0x9e8/0x14b0 [vxlan] [ 367.579238] sp : ffff800080f43690 [ 367.579591] x29: ffff800080f437a0 x28: 0000000000006e47 x27: 0000000000000000 [ 367.580341] x26: 0000000000000050 x25: ffff0000cd824000 x24: ffff0000c6a01420 [ 367.581070] x23: ffff0000c71cca80 x22: 000000000000dbb2 x21: 00000000d0070000 [ 367.581790] x20: ffff0000c71cc000 x19: ffff0000c6827600 x18: ffff800080f1d078 [ 367.582562] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000002 [ 367.583487] x14: 0000000000000000 x13: 000000000000005a x12: 0000000000000000 [ 367.584241] x11: 0000000000080001 x10: 0000000000000000 x9 : 0000000000000000 [ 367.585003] x8 : 0000000000000000 x7 : ffff0000c6a01470 x6 : ffffbf7801c18400 [ 367.585768] x5 : 0000000000000000 x4 : ffffbf7801c18400 x3 : 0000000000008000 [ 367.586529] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 [ 367.587293] Call trace: [ 367.587560] vxlan_xmit_one+0xa74/0x14b0 [vxlan] (P) [ 367.588101] vxlan_xmit+0x498/0x5d0 [vxlan] [ 367.588578] dev_hard_start_xmit+0xac/0x1d8 [ 367.589053] __dev_queue_xmit+0x1ac/0x820 [ 367.589504] neigh_hh_output+0x98/0x110 [ 367.589940] ip6_finish_output2+0x414/0x618 [ 367.590411] ip6_finish_output+0x1f4/0x3f8 [ 367.590873] ip6_output+0x84/0x1a8 [ 367.591258] NF_HOOK.constprop.0+0x58/0x100 [ 367.591733] mld_sendpack+0x188/0x318 [ 367.592147] mld_send_cr+0x1cc/0x350 [ 367.592549] mld_ifc_work+0x40/0x208 [ 367.592915] process_one_work+0x174/0x408 [ 367.593350] worker_thread+0x29c/0x4e0 [ 367.593761] kthread+0xe8/0x100 [ 367.594106] ret_from_fork+0x10/0x20 [ 367.594498] Code: 7103801f 1a9f17e0 b9003be0 17fffe5e (f9400800) [ 367.595158] ---[ end trace 0000000000000000 ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2121240 Title: kernel panic during ubuntu_kselftests_net:test_vxlan_fdb_changelink.sh To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-gcp/+bug/2121240/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
