[ 65.876798][ T1018] br1: port 1(vx1) entered blocking state [ 65.877044][ T1018] br1: port 1(vx1) entered disabled state [ 65.877308][ T1018] vx1: entered allmulticast mode [ 65.879555][ T1018] vx1: entered promiscuous mode [ 65.887691][ T1018] br1: port 1(vx1) entered blocking state [ 65.887937][ T1018] br1: port 1(vx1) entered forwarding state [ 65.964632][ T1019] br1: port 2(veth1) entered blocking state [ 65.964959][ T1019] br1: port 2(veth1) entered disabled state [ 65.965276][ T1019] veth1: entered allmulticast mode [ 65.967726][ T1019] veth1: entered promiscuous mode [ 66.048047][ T124] br1: port 2(veth1) entered blocking state [ 66.048513][ T124] br1: port 2(veth1) entered forwarding state [ 66.135833][ T1021] br1: port 3(veth2) entered blocking state [ 66.136206][ T1021] br1: port 3(veth2) entered disabled state [ 66.136507][ T1021] veth2: entered allmulticast mode [ 66.139968][ T1021] veth2: entered promiscuous mode [ 66.220969][ T70] br1: port 3(veth2) entered blocking state [ 66.221341][ T70] br1: port 3(veth2) entered forwarding state [ 69.523456][ T1067] br2: port 1(w1) entered blocking state [ 69.523758][ T1067] br2: port 1(w1) entered disabled state [ 69.524035][ T1067] w1: entered allmulticast mode [ 69.526733][ T1067] w1: entered promiscuous mode [ 70.004052][ T1073] br2: port 2(vx2) entered blocking state [ 70.004382][ T1073] br2: port 2(vx2) entered disabled state [ 70.004614][ T1073] vx2: entered allmulticast mode [ 70.006572][ T1073] vx2: entered promiscuous mode [ 70.007419][ T1073] br2: port 2(vx2) entered blocking state [ 70.007621][ T1073] br2: port 2(vx2) entered forwarding state [ 70.620004][ T55] br2: port 1(w1) entered blocking state [ 70.620483][ T55] br2: port 1(w1) entered forwarding state [ 71.168139][ C0] [ 71.168530][ C0] ============================= [ 71.168770][ C0] WARNING: suspicious RCU usage [ 71.169040][ C0] 6.13.0-virtme #1 Not tainted [ 71.169283][ C0] ----------------------------- [ 71.169615][ C0] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage! [ 71.170190][ C0] [ 71.170190][ C0] other info that might help us debug this: [ 71.170190][ C0] [ 71.171249][ C0] [ 71.171249][ C0] rcu_scheduler_active = 2, debug_locks = 1 [ 71.171753][ C0] 1 lock held by swapper/0/0: [ 71.172076][ C0] #0: ffffc90000007d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 71.172527][ C0] [ 71.172527][ C0] stack backtrace: [ 71.172804][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.13.0-virtme #1 [ 71.172809][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 71.172811][ C0] Call Trace: [ 71.172814][ C0] [ 71.172816][ C0] dump_stack_lvl+0xb0/0xd0 [ 71.172826][ C0] lockdep_rcu_suspicious+0x1ea/0x280 [ 71.172836][ C0] __icmp_send+0xb0d/0x1580 [ 71.172857][ C0] ? __lock_acquire+0xb9a/0x1680 [ 71.172865][ C0] ? __pfx___icmp_send+0x10/0x10 [ 71.172891][ C0] ? rcu_read_lock_any_held+0x43/0xb0 [ 71.172898][ C0] ? validate_chain+0x1fe/0xae0 [ 71.172919][ C0] ? __pfx_validate_chain+0x10/0x10 [ 71.172926][ C0] ? hlock_class+0x4e/0x130 [ 71.172932][ C0] ? mark_lock+0x38/0x3e0 [ 71.172942][ C0] ? __lock_acquire+0xb9a/0x1680 [ 71.172951][ C0] ipv4_send_dest_unreach+0x3b4/0x800 [ 71.172958][ C0] ? neigh_invalidate+0x1c7/0x540 [ 71.172964][ C0] ? __pfx_ipv4_send_dest_unreach+0x10/0x10 [ 71.172977][ C0] ipv4_link_failure+0x1b/0x190 [ 71.172982][ C0] arp_error_report+0x96/0x170 [ 71.172989][ C0] neigh_invalidate+0x209/0x540 [ 71.172999][ C0] neigh_timer_handler+0x87a/0xdf0 [ 71.173009][ C0] ? __pfx_neigh_timer_handler+0x10/0x10 [ 71.173012][ C0] call_timer_fn+0x13b/0x230 [ 71.173015][ C0] ? call_timer_fn+0xe8/0x230 [ 71.173018][ C0] ? call_timer_fn+0xe8/0x230 [ 71.173022][ C0] ? __pfx_call_timer_fn+0x10/0x10 [ 71.173024][ C0] ? mark_lock+0x38/0x3e0 [ 71.173041][ C0] __run_timers+0x545/0x810 [ 71.173045][ C0] ? __pfx_neigh_timer_handler+0x10/0x10 [ 71.173055][ C0] ? __pfx___run_timers+0x10/0x10 [ 71.173058][ C0] ? clockevents_program_event+0xf6/0x300 [ 71.173068][ C0] ? do_raw_spin_lock+0x131/0x270 [ 71.173074][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 71.173079][ C0] ? lock_acquire+0x32/0xc0 [ 71.173082][ C0] ? run_timer_softirq+0xe6/0x1c0 [ 71.173091][ C0] run_timer_softirq+0xee/0x1c0 [ 71.173096][ C0] handle_softirqs+0x1f6/0x5c0 [ 71.173110][ C0] __irq_exit_rcu+0xc4/0x100 [ 71.173114][ C0] irq_exit_rcu+0xe/0x20 [ 71.173118][ C0] sysvec_apic_timer_interrupt+0x78/0x90 [ 71.173124][ C0] [ 71.173125][ C0] [ 71.173127][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 71.173132][ C0] RIP: 0010:default_idle+0xf/0x20 [ 71.173138][ C0] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 23 cc 14 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 [ 71.173141][ C0] RSP: 0018:ffffffff9ba07e00 EFLAGS: 00000246 [ 71.173145][ C0] RAX: 000000000018a1d7 RBX: 1ffffffff3740fc2 RCX: ffffffff9ad14b15 [ 71.173147][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff98569634 [ 71.173148][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c0703a [ 71.173150][ C0] R10: ffff8880360381d3 R11: ffffffff9ba1cfc0 R12: 0000000000000000 [ 71.173152][ C0] R13: ffffffff9ba1cfc0 R14: dffffc0000000000 R15: 0000000000014770 [ 71.173161][ C0] ? ct_kernel_exit.constprop.0+0xc5/0xf0 [ 71.173166][ C0] ? cpuidle_idle_call+0x1f4/0x280 [ 71.173175][ C0] default_idle_call+0x6d/0xb0 [ 71.173178][ C0] cpuidle_idle_call+0x1f4/0x280 [ 71.173182][ C0] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 71.173189][ C0] ? tsc_verify_tsc_adjust+0x5e/0x2b0 [ 71.173200][ C0] do_idle+0xf6/0x160 [ 71.173207][ C0] cpu_startup_entry+0x54/0x60 [ 71.173211][ C0] rest_init+0x14f/0x260 [ 71.173217][ C0] start_kernel+0x350/0x410 [ 71.173227][ C0] x86_64_start_reservations+0x18/0x30 [ 71.173232][ C0] x86_64_start_kernel+0xba/0x110 [ 71.173238][ C0] common_startup_64+0x12c/0x138 [ 71.173260][ C0] [ 72.420186][ T1104] br2: port 1(w1) entered blocking state [ 72.420588][ T1104] br2: port 1(w1) entered disabled state [ 72.420940][ T1104] w1: entered allmulticast mode [ 72.424740][ T1104] w1: entered promiscuous mode [ 72.962949][ T1110] br2: port 2(vx2) entered blocking state [ 72.963230][ T1110] br2: port 2(vx2) entered disabled state [ 72.963458][ T1110] vx2: entered allmulticast mode [ 72.966272][ T1110] vx2: entered promiscuous mode [ 72.974491][ T1110] br2: port 2(vx2) entered blocking state [ 72.974728][ T1110] br2: port 2(vx2) entered forwarding state [ 73.585797][ T55] br2: port 1(w1) entered blocking state [ 73.586049][ T55] br2: port 1(w1) entered forwarding state [ 94.570173][ T1367] veth3: entered promiscuous mode [ 123.416816][ T1856] veth3: left promiscuous mode [ 146.533412][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 146.635061][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 146.736256][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 146.837471][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 146.938602][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 147.039705][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 147.140757][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 147.242049][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 147.343481][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 147.444439][ C2] vxlan: non-ECT from 192.0.2.34 with TOS=0x1 [ 198.624148][ C3] net_ratelimit: 10 callbacks suppressed [ 198.624156][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 198.725803][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 198.826593][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 198.927482][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 199.028356][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 199.129343][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 199.230184][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 199.330995][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 199.431840][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 199.532735][ C3] vxlan: non-ECT from 192.0.2.34 with TOS=0x3 [ 200.331037][ T2973] vx1: left allmulticast mode [ 200.331427][ T2973] vx1: left promiscuous mode [ 200.331938][ T2973] br1: port 1(vx1) entered disabled state [ 205.486140][ T2975] br1: port 1(vx1) entered blocking state [ 205.486392][ T2975] br1: port 1(vx1) entered disabled state [ 205.486709][ T2975] vx1: entered allmulticast mode [ 205.488594][ T2975] vx1: entered promiscuous mode [ 205.489603][ T2975] br1: port 1(vx1) entered blocking state [ 205.489825][ T2975] br1: port 1(vx1) entered forwarding state [ 225.277534][ T3183] veth3: entered promiscuous mode [ 254.557514][ T3672] veth3: left promiscuous mode [ 255.834749][ T3694] vx1: left allmulticast mode [ 255.835918][ T3694] vx1: left promiscuous mode [ 255.836279][ T3694] br1: port 1(vx1) entered disabled state [ 260.963193][ T3696] br1: port 1(vx1) entered blocking state [ 260.963429][ T3696] br1: port 1(vx1) entered disabled state [ 260.963658][ T3696] vx1: entered allmulticast mode [ 260.966365][ T3696] vx1: entered promiscuous mode [ 260.967114][ T3696] br1: port 1(vx1) entered blocking state [ 260.967384][ T3696] br1: port 1(vx1) entered forwarding state [ 384.641750][ T4606] vx1: left allmulticast mode [ 384.641991][ T4606] vx1: left promiscuous mode [ 384.642342][ T4606] br1: port 1(vx1) entered disabled state [ 389.768791][ T4608] br1: port 1(vx1) entered blocking state [ 389.769048][ T4608] br1: port 1(vx1) entered disabled state [ 389.769299][ T4608] vx1: entered allmulticast mode [ 389.771222][ T4608] vx1: entered promiscuous mode [ 389.771977][ T4608] br1: port 1(vx1) entered blocking state [ 389.772465][ T4608] br1: port 1(vx1) entered forwarding state [ 396.721733][ T11] vx2: left allmulticast mode [ 396.722034][ T11] vx2: left promiscuous mode [ 396.722410][ T11] br2: port 2(vx2) entered disabled state [ 396.726226][ T11] w1: left allmulticast mode [ 396.726423][ T11] w1: left promiscuous mode [ 396.726729][ T11] br2: port 1(w1) entered disabled state [ 397.125575][ T4626] ip (4626) used greatest stack depth: 23968 bytes left [ 397.211880][ T11] vx2: left allmulticast mode [ 397.212095][ T11] vx2: left promiscuous mode [ 397.212416][ T11] br2: port 2(vx2) entered disabled state [ 397.214322][ T11] w1: left allmulticast mode [ 397.214703][ T11] w1: left promiscuous mode [ 397.215005][ T11] br2: port 1(w1) entered disabled state [ 399.335926][ T4653] vx1: left allmulticast mode [ 399.336183][ T4653] vx1: left promiscuous mode [ 399.336496][ T4653] br1: port 1(vx1) entered disabled state [ 399.638403][ T4656] br1: port 3(veth2) entered disabled state [ 399.725499][ T4657] veth2: left allmulticast mode [ 399.725810][ T4657] veth2: left promiscuous mode [ 399.727300][ T4657] br1: port 3(veth2) entered disabled state [ 399.816945][ T4658] br1: port 2(veth1) entered disabled state [ 399.882098][ T4659] veth1: left allmulticast mode [ 399.883373][ T4659] veth1: left promiscuous mode [ 399.883715][ T4659] br1: port 2(veth1) entered disabled state