[ 10.873389][ T249] ip (249) used greatest stack depth: 23632 bytes left [ 13.842477][ T299] 8021q: 802.1Q VLAN Support v1.8 [ 17.807306][ T349] br1: port 1(vx10) entered blocking state [ 17.807752][ T349] br1: port 1(vx10) entered disabled state [ 17.808148][ T349] vx10: entered allmulticast mode [ 17.810200][ T349] vx10: entered promiscuous mode [ 17.811102][ T349] br1: port 1(vx10) entered blocking state [ 17.811620][ T349] br1: port 1(vx10) entered forwarding state [ 18.150525][ T354] br1: port 2(vx20) entered blocking state [ 18.150821][ T354] br1: port 2(vx20) entered disabled state [ 18.151103][ T354] vx20: entered allmulticast mode [ 18.152994][ T354] vx20: entered promiscuous mode [ 18.153774][ T354] br1: port 2(vx20) entered blocking state [ 18.154065][ T354] br1: port 2(vx20) entered forwarding state [ 18.301620][ T356] br1: port 3(veth1) entered blocking state [ 18.301926][ T356] br1: port 3(veth1) entered disabled state [ 18.302252][ T356] veth1: entered allmulticast mode [ 18.304230][ T356] veth1: entered promiscuous mode [ 18.381977][ T38] br1: port 3(veth1) entered blocking state [ 18.382424][ T38] br1: port 3(veth1) entered forwarding state [ 18.753520][ T361] br1: port 4(veth2) entered blocking state [ 18.753849][ T361] br1: port 4(veth2) entered disabled state [ 18.754126][ T361] veth2: entered allmulticast mode [ 18.756049][ T361] veth2: entered promiscuous mode [ 18.833905][ T40] br1: port 4(veth2) entered blocking state [ 18.834234][ T40] br1: port 4(veth2) entered forwarding state [ 22.270200][ C1] [ 22.270657][ C1] ============================= [ 22.270922][ C1] WARNING: suspicious RCU usage [ 22.271202][ C1] 6.13.0-virtme #1 Not tainted [ 22.271461][ C1] ----------------------------- [ 22.271718][ C1] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage! [ 22.272152][ C1] [ 22.272152][ C1] other info that might help us debug this: [ 22.272152][ C1] [ 22.272667][ C1] [ 22.272667][ C1] rcu_scheduler_active = 2, debug_locks = 1 [ 22.273023][ C1] 1 lock held by swapper/1/0: [ 22.273269][ C1] #0: ffffc900001e0d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 22.273568][ C1] [ 22.273568][ C1] stack backtrace: [ 22.273802][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.13.0-virtme #1 [ 22.273807][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.273809][ C1] Call Trace: [ 22.273810][ C1] [ 22.273814][ C1] dump_stack_lvl+0xb0/0xd0 [ 22.273823][ C1] lockdep_rcu_suspicious+0x1ea/0x280 [ 22.273836][ C1] icmp6_send+0x10ab/0x1bf0 [ 22.273865][ C1] ? __pfx_icmp6_send+0x10/0x10 [ 22.273877][ C1] ? __pfx_validate_chain+0x10/0x10 [ 22.273884][ C1] ? hlock_class+0x4e/0x130 [ 22.273889][ C1] ? mark_lock+0x38/0x3e0 [ 22.273906][ C1] ? __lock_acquire+0xb9a/0x1680 [ 22.273916][ C1] ? find_held_lock+0x2c/0x110 [ 22.273923][ C1] ? __lock_release+0x103/0x460 [ 22.273925][ C1] ? neigh_invalidate+0x1c7/0x540 [ 22.273930][ C1] ? __pfx___lock_release+0x10/0x10 [ 22.273934][ C1] ? lock_acquire.part.0+0xeb/0x330 [ 22.273945][ C1] ip6_link_failure+0x30/0x430 [ 22.273953][ C1] ndisc_error_report+0x96/0x170 [ 22.273960][ C1] neigh_invalidate+0x209/0x540 [ 22.273969][ C1] neigh_timer_handler+0x87a/0xdf0 [ 22.273979][ C1] ? __pfx_neigh_timer_handler+0x10/0x10 [ 22.273982][ C1] call_timer_fn+0x13b/0x230 [ 22.273985][ C1] ? call_timer_fn+0xe8/0x230 [ 22.273988][ C1] ? call_timer_fn+0xe8/0x230 [ 22.273992][ C1] ? __pfx_call_timer_fn+0x10/0x10 [ 22.273995][ C1] ? mark_lock+0x38/0x3e0 [ 22.274012][ C1] __run_timers+0x545/0x810 [ 22.274015][ C1] ? __pfx_neigh_timer_handler+0x10/0x10 [ 22.274025][ C1] ? __pfx___run_timers+0x10/0x10 [ 22.274028][ C1] ? clockevents_program_event+0xf6/0x300 [ 22.274037][ C1] ? do_raw_spin_lock+0x131/0x270 [ 22.274043][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 22.274048][ C1] ? lock_acquire+0x32/0xc0 [ 22.274051][ C1] ? run_timer_softirq+0xe6/0x1c0 [ 22.274060][ C1] run_timer_softirq+0xee/0x1c0 [ 22.274065][ C1] handle_softirqs+0x1f6/0x5c0 [ 22.274078][ C1] __irq_exit_rcu+0xc4/0x100 [ 22.274081][ C1] irq_exit_rcu+0xe/0x20 [ 22.274084][ C1] sysvec_apic_timer_interrupt+0x78/0x90 [ 22.274088][ C1] [ 22.274089][ C1] [ 22.274091][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 22.274096][ C1] RIP: 0010:default_idle+0xf/0x20 [ 22.274099][ C1] 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 [ 22.274102][ C1] RSP: 0018:ffffc90000157df8 EFLAGS: 00000246 [ 22.274106][ C1] RAX: 000000000010e5b7 RBX: 1ffff9200002afc1 RCX: ffffffffb1d14b15 [ 22.274108][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffaf569634 [ 22.274109][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1703a [ 22.274111][ C1] R10: ffff8880360b81d3 R11: ffff888001b2c5c0 R12: 0000000000000000 [ 22.274113][ C1] R13: ffff888001b2c5c0 R14: dffffc0000000000 R15: 0000000000000000 [ 22.274122][ C1] ? ct_kernel_exit.constprop.0+0xc5/0xf0 [ 22.274126][ C1] ? cpuidle_idle_call+0x1f4/0x280 [ 22.274135][ C1] default_idle_call+0x6d/0xb0 [ 22.274138][ C1] cpuidle_idle_call+0x1f4/0x280 [ 22.274142][ C1] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 22.274149][ C1] ? tsc_verify_tsc_adjust+0x5e/0x2b0 [ 22.274158][ C1] do_idle+0xf6/0x160 [ 22.274164][ C1] cpu_startup_entry+0x54/0x60 [ 22.274172][ C1] start_secondary+0x21e/0x2b0 [ 22.274176][ C1] ? __pfx_start_secondary+0x10/0x10 [ 22.274186][ C1] common_startup_64+0x12c/0x138 [ 22.274206][ C1] [ 22.324457][ T413] br2: port 1(w1) entered blocking state [ 22.324687][ T413] br2: port 1(w1) entered disabled state [ 22.324911][ T413] w1: entered allmulticast mode [ 22.326807][ T413] w1: entered promiscuous mode [ 22.984567][ T421] br2: port 2(vx10) entered blocking state [ 22.984891][ T421] br2: port 2(vx10) entered disabled state [ 22.985187][ T421] vx10: entered allmulticast mode [ 22.987077][ T421] vx10: entered promiscuous mode [ 22.987620][ T421] br2: port 2(vx10) entered blocking state [ 22.987864][ T421] br2: port 2(vx10) entered forwarding state [ 23.592864][ T428] br2: port 3(vx20) entered blocking state [ 23.593247][ T428] br2: port 3(vx20) entered disabled state [ 23.593784][ T428] vx20: entered allmulticast mode [ 23.596751][ T428] vx20: entered promiscuous mode [ 23.597346][ T428] br2: port 3(vx20) entered blocking state [ 23.597629][ T428] br2: port 3(vx20) entered forwarding state [ 24.371428][ T38] br2: port 1(w1) entered blocking state [ 24.371860][ T38] br2: port 1(w1) entered forwarding state [ 26.844914][ T470] br2: port 1(w1) entered blocking state [ 26.845229][ T470] br2: port 1(w1) entered disabled state [ 26.845832][ T470] w1: entered allmulticast mode [ 26.848007][ T470] w1: entered promiscuous mode [ 27.616956][ T478] br2: port 2(vx10) entered blocking state [ 27.617291][ T478] br2: port 2(vx10) entered disabled state [ 27.617586][ T478] vx10: entered allmulticast mode [ 27.619969][ T478] vx10: entered promiscuous mode [ 27.620578][ T478] br2: port 2(vx10) entered blocking state [ 27.620840][ T478] br2: port 2(vx10) entered forwarding state [ 28.272796][ T485] br2: port 3(vx20) entered blocking state [ 28.273161][ T485] br2: port 3(vx20) entered disabled state [ 28.273497][ T485] vx20: entered allmulticast mode [ 28.277043][ T485] vx20: entered promiscuous mode [ 28.277719][ T485] br2: port 3(vx20) entered blocking state [ 28.278008][ T485] br2: port 3(vx20) entered forwarding state [ 29.097032][ T45] br2: port 1(w1) entered blocking state [ 29.097687][ T45] br2: port 1(w1) entered forwarding state [ 40.335917][ T572] GACT probability NOT on [ 134.259009][ T65] vx20: left allmulticast mode [ 134.259432][ T65] vx20: left promiscuous mode [ 134.259849][ T65] br2: port 3(vx20) entered disabled state [ 134.264503][ T65] vx10: left allmulticast mode [ 134.264762][ T65] vx10: left promiscuous mode [ 134.265101][ T65] br2: port 2(vx10) entered disabled state [ 134.267229][ T65] w1: left allmulticast mode [ 134.267475][ T65] w1: left promiscuous mode [ 134.267900][ T65] br2: port 1(w1) entered disabled state [ 134.859885][ T65] vx20: left allmulticast mode [ 134.860311][ T65] vx20: left promiscuous mode [ 134.860883][ T65] br2: port 3(vx20) entered disabled state [ 134.864367][ T65] vx10: left allmulticast mode [ 134.864679][ T65] vx10: left promiscuous mode [ 134.865123][ T65] br2: port 2(vx10) entered disabled state [ 134.870324][ T65] w1: left allmulticast mode [ 134.870651][ T65] w1: left promiscuous mode [ 134.871124][ T65] br2: port 1(w1) entered disabled state [ 137.304593][ T781] br1: port 4(veth2) entered disabled state [ 137.379790][ T782] veth2: left allmulticast mode [ 137.380054][ T782] veth2: left promiscuous mode [ 137.380408][ T782] br1: port 4(veth2) entered disabled state [ 137.811424][ T786] br1: port 3(veth1) entered disabled state [ 137.898384][ T787] veth1: left allmulticast mode [ 137.898655][ T787] veth1: left promiscuous mode [ 137.898996][ T787] br1: port 3(veth1) entered disabled state [ 138.048675][ T789] vx20: left allmulticast mode [ 138.048923][ T789] vx20: left promiscuous mode [ 138.049262][ T789] br1: port 2(vx20) entered disabled state [ 138.433524][ T793] vx10: left allmulticast mode [ 138.433795][ T793] vx10: left promiscuous mode [ 138.434129][ T793] br1: port 1(vx10) entered disabled state