[ 18.648254][ T330] br1: port 1(vx1) entered blocking state [ 18.648707][ T330] br1: port 1(vx1) entered disabled state [ 18.649061][ T330] vx1: entered allmulticast mode [ 18.651963][ T330] vx1: entered promiscuous mode [ 18.653874][ T330] br1: port 1(vx1) entered blocking state [ 18.654275][ T330] br1: port 1(vx1) entered forwarding state [ 18.752365][ T331] br1: port 2(veth1) entered blocking state [ 18.753011][ T331] br1: port 2(veth1) entered disabled state [ 18.754601][ T331] veth1: entered allmulticast mode [ 18.756595][ T331] veth1: entered promiscuous mode [ 18.843763][ T252] br1: port 2(veth1) entered blocking state [ 18.844493][ T252] br1: port 2(veth1) entered forwarding state [ 19.106015][ T334] br1: port 3(veth2) entered blocking state [ 19.106468][ T334] br1: port 3(veth2) entered disabled state [ 19.106812][ T334] veth2: entered allmulticast mode [ 19.109030][ T334] veth2: entered promiscuous mode [ 19.193233][ T41] br1: port 3(veth2) entered blocking state [ 19.193593][ T41] br1: port 3(veth2) entered forwarding state [ 22.947515][ T380] br2: port 1(w1) entered blocking state [ 22.947790][ T380] br2: port 1(w1) entered disabled state [ 22.948025][ T380] w1: entered allmulticast mode [ 22.949988][ T380] w1: entered promiscuous mode [ 23.508747][ T386] br2: port 2(vx2) entered blocking state [ 23.508981][ T386] br2: port 2(vx2) entered disabled state [ 23.509246][ T386] vx2: entered allmulticast mode [ 23.511152][ T386] vx2: entered promiscuous mode [ 23.512377][ T386] br2: port 2(vx2) entered blocking state [ 23.512604][ T386] br2: port 2(vx2) entered forwarding state [ 24.247146][ T38] br2: port 1(w1) entered blocking state [ 24.247691][ T38] br2: port 1(w1) entered forwarding state [ 26.492412][ T419] br2: port 1(w1) entered blocking state [ 26.492834][ T419] br2: port 1(w1) entered disabled state [ 26.493277][ T419] w1: entered allmulticast mode [ 26.496643][ T419] w1: entered promiscuous mode [ 27.095206][ T425] br2: port 2(vx2) entered blocking state [ 27.095477][ T425] br2: port 2(vx2) entered disabled state [ 27.095737][ T425] vx2: entered allmulticast mode [ 27.097717][ T425] vx2: entered promiscuous mode [ 27.098951][ T425] br2: port 2(vx2) entered blocking state [ 27.099195][ T425] br2: port 2(vx2) entered forwarding state [ 27.828282][ T38] br2: port 1(w1) entered blocking state [ 27.828580][ T38] br2: port 1(w1) entered forwarding state [ 37.536090][ T498] GACT probability NOT on [ 89.337408][ T690] [ 89.337874][ T690] ============================= [ 89.338192][ T690] WARNING: suspicious RCU usage [ 89.338460][ T690] 6.14.0-rc6-virtme #1 Not tainted [ 89.338722][ T690] ----------------------------- [ 89.339002][ T690] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 89.339480][ T690] [ 89.339480][ T690] other info that might help us debug this: [ 89.339480][ T690] [ 89.339991][ T690] [ 89.339991][ T690] rcu_scheduler_active = 2, debug_locks = 1 [ 89.340429][ T690] 1 lock held by mausezahn/690: [ 89.340691][ T690] #0: ffffffffab35b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 89.341203][ T690] [ 89.341203][ T690] stack backtrace: [ 89.341610][ T690] CPU: 2 UID: 0 PID: 690 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 89.341617][ T690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 89.341620][ T690] Call Trace: [ 89.341623][ T690] [ 89.341627][ T690] dump_stack_lvl+0xb0/0xd0 [ 89.341639][ T690] lockdep_rcu_suspicious+0x1ea/0x280 [ 89.341657][ T690] dev_hard_start_xmit+0x2fc/0x3f0 [ 89.341678][ T690] __dev_queue_xmit+0xfaf/0x18d0 [ 89.341704][ T690] ? __pfx___dev_queue_xmit+0x10/0x10 [ 89.341713][ T690] ? packet_parse_headers+0x231/0x9c0 [ 89.341729][ T690] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 89.341738][ T690] ? __pfx_packet_parse_headers+0x10/0x10 [ 89.341747][ T690] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 89.341757][ T690] ? dev_get_by_index+0xb2/0x190 [ 89.341778][ T690] packet_snd+0xd0c/0x19d0 [ 89.341801][ T690] ? __lock_release+0x103/0x460 [ 89.341807][ T690] ? __might_fault+0x11b/0x170 [ 89.341817][ T690] ? __pfx_packet_snd+0x10/0x10 [ 89.341820][ T690] ? trace_lock_acquire+0x14c/0x1f0 [ 89.341825][ T690] ? __might_fault+0x11b/0x170 [ 89.341838][ T690] ? lock_acquire+0x32/0xc0 [ 89.341850][ T690] ? __might_fault+0x11b/0x170 [ 89.341871][ T690] __sys_sendto+0x3c3/0x450 [ 89.341881][ T690] ? __pfx___sys_sendto+0x10/0x10 [ 89.341903][ T690] ? sock_ioctl+0x3b6/0x590 [ 89.341910][ T690] ? __pfx___lock_release+0x10/0x10 [ 89.341921][ T690] ? __pfx___up_read+0x10/0x10 [ 89.341935][ T690] ? do_user_addr_fault+0x972/0xe30 [ 89.341950][ T690] ? do_user_addr_fault+0x97c/0xe30 [ 89.341964][ T690] __x64_sys_sendto+0xe0/0x1c0 [ 89.341971][ T690] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 89.341978][ T690] do_syscall_64+0xc1/0x1d0 [ 89.341990][ T690] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.341998][ T690] RIP: 0033:0x7f1db6a16a4a [ 89.342006][ T690] 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 [ 89.342010][ T690] RSP: 002b:00007fff1b5e2658 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 89.342015][ T690] RAX: ffffffffffffffda RBX: 000000000ee9cde0 RCX: 00007f1db6a16a4a [ 89.342019][ T690] RDX: 000000000000007e RSI: 000000000ee9d0e2 RDI: 0000000000000005 [ 89.342022][ T690] RBP: 000000000ee9d0e2 R08: 00007fff1b5e2660 R09: 0000000000000014 [ 89.342026][ T690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 89.342029][ T690] R13: 000000000000007e R14: 00007fff1b5e2660 R15: 0000000000000000 [ 89.342054][ T690] [ 94.800217][ T765] veth3: entered promiscuous mode [ 125.114314][ T1255] veth3: left promiscuous mode [ 149.665622][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 149.767421][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 149.868473][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 149.969667][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 150.070727][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 150.171740][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 150.272733][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 150.373933][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 150.474914][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 150.576080][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 154.750413][ C3] net_ratelimit: 3 callbacks suppressed [ 154.750426][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 154.851692][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 154.952723][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 155.053708][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 155.154790][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 155.255871][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 155.356954][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 216.950515][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 217.052004][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 217.153342][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 217.254508][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 217.355831][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 217.457194][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 217.558452][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 217.659618][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 217.760884][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 217.862198][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 219.518813][ T2224] vx1: left allmulticast mode [ 219.519064][ T2224] vx1: left promiscuous mode [ 219.520180][ T2224] br1: port 1(vx1) entered disabled state [ 224.940837][ T2229] br1: port 1(vx1) entered blocking state [ 224.941111][ T2229] br1: port 1(vx1) entered disabled state [ 224.941396][ T2229] vx1: entered allmulticast mode [ 224.943468][ T2229] vx1: entered promiscuous mode [ 224.944372][ T2229] br1: port 1(vx1) entered blocking state [ 224.944609][ T2229] br1: port 1(vx1) entered forwarding state [ 290.229563][ T2516] veth3: entered promiscuous mode [ 319.676460][ T3005] veth3: left promiscuous mode [ 320.464687][ T68] vx2: left allmulticast mode [ 320.465041][ T68] vx2: left promiscuous mode [ 320.465463][ T68] br2: port 2(vx2) entered disabled state [ 320.469599][ T68] w1: left allmulticast mode [ 320.469843][ T68] w1: left promiscuous mode [ 320.470182][ T68] br2: port 1(w1) entered disabled state [ 320.969816][ T68] vx2: left allmulticast mode [ 320.970237][ T68] vx2: left promiscuous mode [ 320.970748][ T68] br2: port 2(vx2) entered disabled state [ 320.973296][ T68] w1: left allmulticast mode [ 320.973604][ T68] w1: left promiscuous mode [ 320.974068][ T68] br2: port 1(w1) entered disabled state [ 323.001374][ T3044] br1: port 3(veth2) entered disabled state [ 323.071501][ T3045] veth2: left allmulticast mode [ 323.071747][ T3045] veth2: left promiscuous mode [ 323.072052][ T3045] br1: port 3(veth2) entered disabled state [ 323.277327][ T3047] br1: port 2(veth1) entered disabled state [ 323.354065][ T3048] veth1: left allmulticast mode [ 323.355264][ T3048] veth1: left promiscuous mode [ 323.355596][ T3048] br1: port 2(veth1) entered disabled state [ 323.455087][ T3049] vx1: left allmulticast mode [ 323.456145][ T3049] vx1: left promiscuous mode [ 323.456740][ T3049] br1: port 1(vx1) entered disabled state