[ 1199.081032][T21991] openvswitch: Open vSwitch switching datapath [ 1200.624991][T22027] netlink: 'python3': attribute type 2 has an invalid length. [ 1200.630023][T22027] arpping: entered promiscuous mode [ 1201.902361][T22070] c0: entered promiscuous mode [ 1203.097719][ T10] [ 1203.097885][ T10] ============================= [ 1203.098007][ T10] WARNING: suspicious RCU usage [ 1203.098229][ T10] 7.0.0-rc3-virtme #1 Not tainted [ 1203.098356][ T10] ----------------------------- [ 1203.098473][ T10] net/openvswitch/datapath.c:2666 RCU-list traversed in non-reader section!! [ 1203.098681][ T10] [ 1203.098681][ T10] other info that might help us debug this: [ 1203.098681][ T10] [ 1203.098901][ T10] [ 1203.098901][ T10] rcu_scheduler_active = 2, debug_locks = 1 [ 1203.099075][ T10] 3 locks held by kworker/0:1/10: [ 1203.099191][ T10] #0: ff11000001141b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 1203.099455][ T10] #1: ffa00000000a7d10 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 1203.099741][ T10] #2: ffffffffc0370968 (ovs_mutex){+.+.}-{4:4}, at: ovs_dp_masks_rebalance+0x29/0x270 [openvswitch] [ 1203.099972][ T10] [ 1203.099972][ T10] stack backtrace: [ 1203.100118][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 7.0.0-rc3-virtme #1 PREEMPT(full) [ 1203.100121][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1203.100123][ T10] Workqueue: events ovs_dp_masks_rebalance [openvswitch] [ 1203.100128][ T10] Call Trace: [ 1203.100129][ T10] [ 1203.100131][ T10] dump_stack_lvl+0x6f/0xa0 [ 1203.100136][ T10] lockdep_rcu_suspicious.cold+0x4f/0xad [ 1203.100142][ T10] ovs_dp_masks_rebalance+0x226/0x270 [openvswitch] [ 1203.100147][ T10] process_one_work+0xd57/0x1390 [ 1203.100153][ T10] ? pwq_dec_nr_in_flight+0x700/0x700 [ 1203.100156][ T10] ? lock_acquire.part.0+0xbc/0x260 [ 1203.100164][ T10] worker_thread+0x4d6/0xd40 [ 1203.100168][ T10] ? rescuer_thread+0x1330/0x1330 [ 1203.100170][ T10] ? __kthread_parkme+0xb3/0x200 [ 1203.100174][ T10] ? rescuer_thread+0x1330/0x1330 [ 1203.100176][ T10] kthread+0x30f/0x3f0 [ 1203.100178][ T10] ? trace_irq_enable.constprop.0+0x13c/0x190 [ 1203.100182][ T10] ? kthread_affine_node+0x150/0x150 [ 1203.100184][ T10] ret_from_fork+0x472/0x6b0 [ 1203.100188][ T10] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 1203.100191][ T10] ? __switch_to+0x538/0xcf0 [ 1203.100194][ T10] ? kthread_affine_node+0x150/0x150 [ 1203.100197][ T10] ret_from_fork_asm+0x11/0x20 [ 1203.100205][ T10] [ 1203.128255][T22110] s0: entered promiscuous mode [ 1206.004412][T22188] s0 (unregistering): left promiscuous mode [ 1206.184807][T22194] c0 (unregistering): left promiscuous mode [ 1207.052967][T22200] arpping: left promiscuous mode [ 1209.383419][T22247] netlink: 'python3': attribute type 2 has an invalid length. [ 1209.390641][T22247] ct4: entered promiscuous mode [ 1210.851881][T22298] c0: entered promiscuous mode [ 1212.130290][T22336] s0: entered promiscuous mode [ 1229.905345][T22491] s0 (unregistering): left promiscuous mode [ 1230.058256][T22497] c0 (unregistering): left promiscuous mode [ 1230.823774][T22503] ct4: left promiscuous mode [ 1233.032844][T22549] netlink: 'python3': attribute type 2 has an invalid length. [ 1233.044167][T22549] cv4: entered promiscuous mode [ 1234.321324][T22599] c0: entered promiscuous mode [ 1235.522196][T22638] s0: entered promiscuous mode [ 1240.906172][T22726] s0 (unregistering): left promiscuous mode [ 1241.066031][T22732] c0 (unregistering): left promiscuous mode [ 1241.840583][T22738] cv4: left promiscuous mode [ 1244.029692][T22786] netlink: 'python3': attribute type 2 has an invalid length. [ 1244.035223][T22786] nat4: entered promiscuous mode [ 1245.339134][T22837] c0: entered promiscuous mode [ 1246.510203][T22875] s0: entered promiscuous mode [ 1264.053740][T23015] s0 (unregistering): left promiscuous mode [ 1264.211860][T23021] c0 (unregistering): left promiscuous mode [ 1264.911194][T23027] nat4: left promiscuous mode [ 1266.875874][T23074] netlink: 'python3': attribute type 2 has an invalid length. [ 1266.880328][T23074] natrelated4: entered promiscuous mode [ 1268.158986][T23123] c0: entered promiscuous mode [ 1269.372224][T23169] s0: entered promiscuous mode [ 1276.221817][T23322] s0 (unregistering): left promiscuous mode [ 1276.345975][T23328] c0 (unregistering): left promiscuous mode [ 1277.013034][T23334] natrelated4: left promiscuous mode [ 1278.979898][T23381] netlink: 'python3': attribute type 2 has an invalid length. [ 1278.984453][T23381] nv0: entered promiscuous mode [ 1279.737530][T23403] netlink: 'python3': attribute type 2 has an invalid length. [ 1279.738919][T23403] openvswitch: nv0: Dropping previously announced user features [ 1281.194652][T23449] left0: entered promiscuous mode [ 1282.712307][T23500] right0: entered promiscuous mode [ 1284.308471][T23532] right0: left promiscuous mode [ 1285.949929][T23568] openvswitch: netlink: Flow actions may not be safe on all matching packets. [ 1286.039308][T23568] python3 (23568) used greatest stack depth: 22688 bytes left [ 1286.800395][T23591] openvswitch: netlink: Flow actions may not be safe on all matching packets. [ 1287.138640][T23616] left0 (unregistering): left promiscuous mode [ 1287.854238][T23622] nv0: left promiscuous mode [ 1290.607434][T23683] ui0: entered promiscuous mode [ 1291.947866][T23733] left0: entered promiscuous mode [ 1295.004101][T23764] left0 (unregistering): left promiscuous mode [ 1295.850765][T23770] ui0: left promiscuous mode [ 1297.890609][T23817] tdp0: entered promiscuous mode [ 1299.198546][T23868] left0: entered promiscuous mode [ 1299.884020][T23893] left0: left promiscuous mode [ 1300.759216][T23914] ovs-vxlan0: entered promiscuous mode [ 1307.795660][T24041] ovs-vxlan0 (unregistering): left promiscuous mode [ 1308.597777][T24054] tdp0: left promiscuous mode [ 1310.859011][T24103] netlink: 'python3': attribute type 2 has an invalid length. [ 1310.863168][T24103] dropreason: entered promiscuous mode [ 1312.135683][T24154] c0: entered promiscuous mode [ 1313.548210][T24192] s0: entered promiscuous mode [ 1337.844191][T24363] s0 (unregistering): left promiscuous mode [ 1338.001195][T24369] c0 (unregistering): left promiscuous mode [ 1338.846710][T24375] dropreason: left promiscuous mode [ 1340.834388][T24421] psample: entered promiscuous mode [ 1342.351211][T24474] c0: entered promiscuous mode [ 1342.910950][T24507] s0: entered promiscuous mode [ 1344.432498][T24569] openvswitch: netlink: Flow actions may not be safe on all matching packets. [ 1345.337883][T24592] openvswitch: netlink: Flow actions may not be safe on all matching packets. [ 1346.372195][T24615] openvswitch: netlink: Flow actions may not be safe on all matching packets. [ 1352.255414][T24756] s0 (unregistering): left promiscuous mode [ 1352.433651][T24764] c0 (unregistering): left promiscuous mode [ 1353.073968][T24772] psample: left promiscuous mode