[ 47.813898][ T767] openvswitch: Open vSwitch switching datapath [ 52.241251][ T795] netlink: 'python3': attribute type 2 has an invalid length. [ 52.248732][ T795] arpping: entered promiscuous mode [ 55.714002][ T846] c0: entered promiscuous mode [ 59.057576][ T884] s0: entered promiscuous mode [ 64.779224][ T945] [ 64.779457][ T945] ============================= [ 64.779629][ T945] WARNING: suspicious RCU usage [ 64.779921][ T945] 6.14.0-rc6-virtme #1 Not tainted [ 64.780114][ T945] ----------------------------- [ 64.780285][ T945] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 64.780571][ T945] [ 64.780571][ T945] other info that might help us debug this: [ 64.780571][ T945] [ 64.780898][ T945] [ 64.780898][ T945] rcu_scheduler_active = 2, debug_locks = 1 [ 64.781159][ T945] 1 lock held by arping/945: [ 64.781330][ T945] #0: ffffffff94d6f640 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f5/0x18d0 [ 64.781654][ T945] [ 64.781654][ T945] stack backtrace: [ 64.781866][ T945] CPU: 0 UID: 0 PID: 945 Comm: arping Not tainted 6.14.0-rc6-virtme #1 [ 64.781870][ T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 64.781873][ T945] Call Trace: [ 64.781874][ T945] [ 64.781877][ T945] dump_stack_lvl+0xb0/0xd0 [ 64.781885][ T945] lockdep_rcu_suspicious+0x1ea/0x280 [ 64.781896][ T945] dev_hard_start_xmit+0x2fc/0x3f0 [ 64.781908][ T945] __dev_queue_xmit+0xfaa/0x18d0 [ 64.781912][ T945] ? _copy_from_iter+0x1d2/0x12e0 [ 64.781929][ T945] ? __pfx___dev_queue_xmit+0x10/0x10 [ 64.781935][ T945] ? packet_parse_headers+0x243/0x9d0 [ 64.781945][ T945] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 64.781954][ T945] ? __pfx_packet_parse_headers+0x10/0x10 [ 64.781958][ T945] ? skb_copy_datagram_from_iter+0xe6/0x6e0 [ 64.781965][ T945] ? dev_get_by_index+0xb2/0x190 [ 64.781976][ T945] packet_snd+0xd0d/0x19c0 [ 64.781988][ T945] ? __lock_release+0x103/0x460 [ 64.781991][ T945] ? __might_fault+0x11b/0x170 [ 64.781997][ T945] ? __pfx_packet_snd+0x10/0x10 [ 64.782000][ T945] ? trace_lock_acquire+0x14c/0x1f0 [ 64.782003][ T945] ? __pfx___lock_release+0x10/0x10 [ 64.782009][ T945] ? lock_acquire+0x32/0xc0 [ 64.782015][ T945] ? __might_fault+0x11b/0x170 [ 64.782026][ T945] __sys_sendto+0x3c3/0x450 [ 64.782033][ T945] ? __pfx___sys_sendto+0x10/0x10 [ 64.782045][ T945] ? __lock_release+0x103/0x460 [ 64.782049][ T945] ? __pfx___lock_release+0x10/0x10 [ 64.782058][ T945] ? __pfx___up_read+0x10/0x10 [ 64.782064][ T945] ? do_user_addr_fault+0x374/0xe30 [ 64.782074][ T945] ? do_user_addr_fault+0x374/0xe30 [ 64.782082][ T945] __x64_sys_sendto+0xe0/0x1c0 [ 64.782087][ T945] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 64.782091][ T945] do_syscall_64+0xc1/0x1d0 [ 64.782098][ T945] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.782103][ T945] RIP: 0033:0x7f5eefdd5a4a [ 64.782107][ T945] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 [ 64.782109][ T945] RSP: 002b:00007ffe4ed90068 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 64.782113][ T945] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007f5eefdd5a4a [ 64.782115][ T945] RDX: 000000000000001c RSI: 00007ffe4ed90080 RDI: 0000000000000005 [ 64.782117][ T945] RBP: 00007ffe4ed901d0 R08: 00007ffe4ed91630 R09: 0000000000000014 [ 64.782118][ T945] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5eefc83710 [ 64.782120][ T945] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007f5eefedb000 [ 64.782137][ T945] [ 66.021106][ T948] s0 (unregistering): left promiscuous mode [ 66.506076][ T956] c0 (unregistering): left promiscuous mode [ 68.641446][ T962] arpping: left promiscuous mode [ 74.804409][ T1006] netlink: 'python3': attribute type 2 has an invalid length. [ 74.810181][ T1006] ct4: entered promiscuous mode [ 78.227307][ T1057] c0: entered promiscuous mode [ 81.561714][ T1095] s0: entered promiscuous mode [ 110.626078][ T1250] s0 (unregistering): left promiscuous mode [ 111.055900][ T1258] c0 (unregistering): left promiscuous mode [ 113.230781][ T1264] ct4: left promiscuous mode [ 119.411160][ T1308] netlink: 'python3': attribute type 2 has an invalid length. [ 119.428155][ T1308] cv4: entered promiscuous mode [ 122.974069][ T1358] c0: entered promiscuous mode [ 126.490217][ T1397] s0: entered promiscuous mode [ 138.313596][ T1484] s0 (unregistering): left promiscuous mode [ 138.778168][ T1492] c0 (unregistering): left promiscuous mode [ 141.030994][ T1498] cv4: left promiscuous mode [ 147.290255][ T1542] netlink: 'python3': attribute type 2 has an invalid length. [ 147.296289][ T1542] nat4: entered promiscuous mode [ 150.764590][ T1592] c0: entered promiscuous mode [ 154.091754][ T1631] s0: entered promiscuous mode [ 181.544981][ T1771] s0 (unregistering): left promiscuous mode [ 182.016975][ T1779] c0 (unregistering): left promiscuous mode [ 184.099132][ T1785] nat4: left promiscuous mode [ 191.237842][ T1829] netlink: 'python3': attribute type 2 has an invalid length. [ 191.244320][ T1829] natrelated4: entered promiscuous mode [ 194.571496][ T1879] c0: entered promiscuous mode [ 197.780604][ T1917] s0: entered promiscuous mode [ 217.937288][ T2070] s0 (unregistering): left promiscuous mode [ 218.502914][ T2078] c0 (unregistering): left promiscuous mode [ 221.117656][ T2084] natrelated4: left promiscuous mode [ 228.791149][ T2128] netlink: 'python3': attribute type 2 has an invalid length. [ 228.797551][ T2128] nv0: entered promiscuous mode [ 231.694524][ T2152] netlink: 'python3': attribute type 2 has an invalid length. [ 231.696066][ T2152] openvswitch: nv0: Dropping previously announced user features [ 236.274498][ T2203] left0: entered promiscuous mode [ 240.837356][ T2249] right0: entered promiscuous mode [ 246.048710][ T2281] right0: left promiscuous mode [ 251.574623][ T2317] openvswitch: netlink: Flow actions may not be safe on all matching packets. [ 251.780670][ T2317] python3 (2317) used greatest stack depth: 22896 bytes left [ 254.539976][ T2340] openvswitch: netlink: Flow actions may not be safe on all matching packets. [ 255.711129][ T2367] left0 (unregistering): left promiscuous mode [ 258.380334][ T2373] nv0: left promiscuous mode [ 267.501842][ T2432] ui0: entered promiscuous mode [ 271.082874][ T2482] left0: entered promiscuous mode [ 276.646034][ T2519] left0 (unregistering): left promiscuous mode [ 278.679999][ T2527] ui0: left promiscuous mode [ 285.064781][ T2576] netlink: 'python3': attribute type 2 has an invalid length. [ 285.070455][ T2576] dropreason: entered promiscuous mode [ 288.287389][ T2626] c0: entered promiscuous mode [ 291.499446][ T2664] s0: entered promiscuous mode [ 333.179829][ T2835] s0 (unregistering): left promiscuous mode [ 333.655812][ T2843] c0 (unregistering): left promiscuous mode [ 335.701074][ T2850] dropreason: left promiscuous mode [ 341.400014][ T2893] psample: entered promiscuous mode [ 345.294007][ T2945] c0: entered promiscuous mode [ 346.504695][ T2976] s0: entered promiscuous mode [ 350.516106][ T3039] openvswitch: netlink: Flow actions may not be safe on all matching packets. [ 352.620791][ T3062] openvswitch: netlink: Flow actions may not be safe on all matching packets. [ 354.755105][ T3085] openvswitch: netlink: Flow actions may not be safe on all matching packets. [ 368.381969][ T3228] s0 (unregistering): left promiscuous mode [ 368.909067][ T3238] c0 (unregistering): left promiscuous mode [ 370.917231][ T3244] psample: left promiscuous mode