[ 10.974492][ T251] ip (251) used greatest stack depth: 23216 bytes left [ 15.652912][ T318] br0: port 1(veth1) entered blocking state [ 15.653438][ T318] br0: port 1(veth1) entered disabled state [ 15.653869][ T318] veth1: entered allmulticast mode [ 15.655969][ T318] veth1: entered promiscuous mode [ 15.764998][ T319] br0: port 2(veth2) entered blocking state [ 15.765318][ T319] br0: port 2(veth2) entered disabled state [ 15.765599][ T319] veth2: entered allmulticast mode [ 15.767725][ T319] veth2: entered promiscuous mode [ 15.844860][ T320] br0: port 3(veth4) entered blocking state [ 15.845184][ T320] br0: port 3(veth4) entered disabled state [ 15.845479][ T320] veth4: entered allmulticast mode [ 15.848164][ T320] veth4: entered promiscuous mode [ 16.508556][ T45] br0: port 1(veth1) entered blocking state [ 16.509235][ T45] br0: port 1(veth1) entered forwarding state [ 16.577837][ T38] br0: port 2(veth2) entered blocking state [ 16.578179][ T38] br0: port 2(veth2) entered forwarding state [ 16.679098][ T45] br0: port 3(veth4) entered blocking state [ 16.679458][ T45] br0: port 3(veth4) entered forwarding state [ 25.986397][ C0] [ 25.986864][ C0] ============================= [ 25.987087][ C0] WARNING: suspicious RCU usage [ 25.987300][ C0] 6.13.0-virtme #1 Not tainted [ 25.987532][ C0] ----------------------------- [ 25.987745][ C0] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage! [ 25.988120][ C0] [ 25.988120][ C0] other info that might help us debug this: [ 25.988120][ C0] [ 25.988534][ C0] [ 25.988534][ C0] rcu_scheduler_active = 2, debug_locks = 1 [ 25.988857][ C0] 1 lock held by swapper/0/0: [ 25.989089][ C0] #0: ffffc90000007d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 25.989541][ C0] [ 25.989541][ C0] stack backtrace: [ 25.989817][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.13.0-virtme #1 [ 25.989823][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.989827][ C0] Call Trace: [ 25.989830][ C0] [ 25.989835][ C0] dump_stack_lvl+0xb0/0xd0 [ 25.989850][ C0] lockdep_rcu_suspicious+0x1ea/0x280 [ 25.989872][ C0] __icmp_send+0xb0d/0x1580 [ 25.989887][ C0] ? update_sg_lb_stats.constprop.0+0x9d1/0x1320 [ 25.989906][ C0] ? __pfx___icmp_send+0x10/0x10 [ 25.989916][ C0] ? update_sd_lb_stats.constprop.0+0x14d/0xc60 [ 25.989925][ C0] ? rcu_read_lock_any_held+0x43/0xb0 [ 25.989931][ C0] ? validate_chain+0x1fe/0xae0 [ 25.989943][ C0] ? __pfx_validate_chain+0x10/0x10 [ 25.989947][ C0] ? hlock_class+0x4e/0x130 [ 25.989951][ C0] ? mark_lock+0x38/0x3e0 [ 25.989961][ C0] ? __lock_acquire+0xb9a/0x1680 [ 25.989970][ C0] ipv4_send_dest_unreach+0x3b4/0x800 [ 25.989977][ C0] ? neigh_invalidate+0x1c7/0x540 [ 25.989982][ C0] ? __pfx_ipv4_send_dest_unreach+0x10/0x10 [ 25.989995][ C0] ipv4_link_failure+0x1b/0x190 [ 25.990000][ C0] arp_error_report+0x96/0x170 [ 25.990008][ C0] neigh_invalidate+0x209/0x540 [ 25.990017][ C0] neigh_timer_handler+0x87a/0xdf0 [ 25.990027][ C0] ? __pfx_neigh_timer_handler+0x10/0x10 [ 25.990030][ C0] call_timer_fn+0x13b/0x230 [ 25.990033][ C0] ? call_timer_fn+0xe8/0x230 [ 25.990035][ C0] ? call_timer_fn+0xe8/0x230 [ 25.990039][ C0] ? __pfx_call_timer_fn+0x10/0x10 [ 25.990042][ C0] ? mark_lock+0x38/0x3e0 [ 25.990059][ C0] __run_timers+0x545/0x810 [ 25.990063][ C0] ? __pfx_neigh_timer_handler+0x10/0x10 [ 25.990073][ C0] ? __pfx___run_timers+0x10/0x10 [ 25.990076][ C0] ? clockevents_program_event+0xf6/0x300 [ 25.990086][ C0] ? do_raw_spin_lock+0x131/0x270 [ 25.990093][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 25.990097][ C0] ? lock_acquire+0x32/0xc0 [ 25.990100][ C0] ? run_timer_softirq+0xe6/0x1c0 [ 25.990109][ C0] run_timer_softirq+0xee/0x1c0 [ 25.990114][ C0] handle_softirqs+0x1f6/0x5c0 [ 25.990127][ C0] __irq_exit_rcu+0xc4/0x100 [ 25.990130][ C0] irq_exit_rcu+0xe/0x20 [ 25.990133][ C0] sysvec_apic_timer_interrupt+0x78/0x90 [ 25.990138][ C0] [ 25.990139][ C0] [ 25.990141][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 25.990147][ C0] RIP: 0010:default_idle+0xf/0x20 [ 25.990152][ 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 [ 25.990155][ C0] RSP: 0018:ffffffff88e07e00 EFLAGS: 00000246 [ 25.990158][ C0] RAX: 00000000000a141d RBX: 1ffffffff11c0fc2 RCX: ffffffff88114b15 [ 25.990160][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85969634 [ 25.990162][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c0703a [ 25.990163][ C0] R10: ffff8880360381d3 R11: ffffffff88e1cfc0 R12: 0000000000000000 [ 25.990165][ C0] R13: ffffffff88e1cfc0 R14: dffffc0000000000 R15: 0000000000014770 [ 25.990175][ C0] ? ct_kernel_exit.constprop.0+0xc5/0xf0 [ 25.990180][ C0] ? cpuidle_idle_call+0x1f4/0x280 [ 25.990188][ C0] default_idle_call+0x6d/0xb0 [ 25.990191][ C0] cpuidle_idle_call+0x1f4/0x280 [ 25.990195][ C0] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 25.990202][ C0] ? tsc_verify_tsc_adjust+0x5e/0x2b0 [ 25.990212][ C0] do_idle+0xf6/0x160 [ 25.990219][ C0] cpu_startup_entry+0x54/0x60 [ 25.990223][ C0] rest_init+0x14f/0x260 [ 25.990230][ C0] start_kernel+0x350/0x410 [ 25.990240][ C0] x86_64_start_reservations+0x18/0x30 [ 25.990245][ C0] x86_64_start_kernel+0xba/0x110 [ 25.990250][ C0] common_startup_64+0x12c/0x138 [ 25.990272][ C0] [ 30.658372][ C2] [ 30.658684][ C2] ============================= [ 30.658900][ C2] WARNING: suspicious RCU usage [ 30.659106][ C2] 6.13.0-virtme #1 Not tainted [ 30.659307][ C2] ----------------------------- [ 30.659543][ C2] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage! [ 30.659879][ C2] [ 30.659879][ C2] other info that might help us debug this: [ 30.659879][ C2] [ 30.660261][ C2] [ 30.660261][ C2] rcu_scheduler_active = 2, debug_locks = 1 [ 30.660582][ C2] 1 lock held by swapper/2/0: [ 30.660873][ C2] #0: ffffc90000238d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 30.661248][ C2] [ 30.661248][ C2] stack backtrace: [ 30.661492][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.13.0-virtme #1 [ 30.661499][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.661504][ C2] Call Trace: [ 30.661509][ C2] [ 30.661518][ C2] dump_stack_lvl+0xb0/0xd0 [ 30.661530][ C2] lockdep_rcu_suspicious+0x1ea/0x280 [ 30.661542][ C2] icmp6_send+0x10ab/0x1bf0 [ 30.661552][ C2] ? __pfx_debug_object_activate+0x10/0x10 [ 30.661566][ C2] ? __pfx_icmp6_send+0x10/0x10 [ 30.661575][ C2] ? __pfx_validate_chain+0x10/0x10 [ 30.661580][ C2] ? hlock_class+0x4e/0x130 [ 30.661583][ C2] ? mark_lock+0x38/0x3e0 [ 30.661593][ C2] ? __lock_acquire+0xb9a/0x1680 [ 30.661599][ C2] ? find_held_lock+0x2c/0x110 [ 30.661605][ C2] ? __lock_release+0x103/0x460 [ 30.661608][ C2] ? neigh_invalidate+0x1c7/0x540 [ 30.661614][ C2] ? __pfx___lock_release+0x10/0x10 [ 30.661617][ C2] ? lock_acquire.part.0+0xeb/0x330 [ 30.661628][ C2] ip6_link_failure+0x30/0x430 [ 30.661637][ C2] ndisc_error_report+0x96/0x170 [ 30.661644][ C2] neigh_invalidate+0x209/0x540 [ 30.661654][ C2] neigh_timer_handler+0x87a/0xdf0 [ 30.661664][ C2] ? __pfx_neigh_timer_handler+0x10/0x10 [ 30.661667][ C2] call_timer_fn+0x13b/0x230 [ 30.661671][ C2] ? call_timer_fn+0xe8/0x230 [ 30.661674][ C2] ? call_timer_fn+0xe8/0x230 [ 30.661678][ C2] ? __pfx_call_timer_fn+0x10/0x10 [ 30.661680][ C2] ? mark_lock+0x38/0x3e0 [ 30.661697][ C2] __run_timers+0x545/0x810 [ 30.661701][ C2] ? __pfx_neigh_timer_handler+0x10/0x10 [ 30.661711][ C2] ? __pfx___run_timers+0x10/0x10 [ 30.661714][ C2] ? clockevents_program_event+0xf6/0x300 [ 30.661724][ C2] ? do_raw_spin_lock+0x131/0x270 [ 30.661731][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 30.661736][ C2] ? lock_acquire+0x32/0xc0 [ 30.661738][ C2] ? run_timer_softirq+0xe6/0x1c0 [ 30.661748][ C2] run_timer_softirq+0xee/0x1c0 [ 30.661753][ C2] handle_softirqs+0x1f6/0x5c0 [ 30.661766][ C2] __irq_exit_rcu+0xc4/0x100 [ 30.661769][ C2] irq_exit_rcu+0xe/0x20 [ 30.661772][ C2] sysvec_apic_timer_interrupt+0x78/0x90 [ 30.661777][ C2] [ 30.661778][ C2] [ 30.661781][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.661786][ C2] RIP: 0010:default_idle+0xf/0x20 [ 30.661791][ C2] 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 [ 30.661793][ C2] RSP: 0018:ffffc90000167df8 EFLAGS: 00000242 [ 30.661797][ C2] RAX: 000000000007920b RBX: 1ffff9200002cfc1 RCX: ffffffff88114b15 [ 30.661799][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85969634 [ 30.661801][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c2703a [ 30.661802][ C2] R10: ffff8880361381d3 R11: ffff888001b38040 R12: 0000000000000000 [ 30.661804][ C2] R13: ffff888001b38040 R14: dffffc0000000000 R15: 0000000000000000 [ 30.661813][ C2] ? ct_kernel_exit.constprop.0+0xc5/0xf0 [ 30.661817][ C2] ? cpuidle_idle_call+0x1f4/0x280 [ 30.661827][ C2] default_idle_call+0x6d/0xb0 [ 30.661830][ C2] cpuidle_idle_call+0x1f4/0x280 [ 30.661835][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 30.661842][ C2] ? tsc_verify_tsc_adjust+0x5e/0x2b0 [ 30.661853][ C2] do_idle+0xf6/0x160 [ 30.661860][ C2] cpu_startup_entry+0x54/0x60 [ 30.661864][ C2] start_secondary+0x21e/0x2b0 [ 30.661868][ C2] ? __pfx_start_secondary+0x10/0x10 [ 30.661878][ C2] common_startup_64+0x12c/0x138 [ 30.661900][ C2] [ 32.093675][ T387] veth3: entered promiscuous mode [ 32.635243][ T393] GACT probability NOT on [ 34.348656][ T400] veth3: left promiscuous mode [ 34.431874][ T401] veth3: entered promiscuous mode [ 36.366289][ T410] veth3: left promiscuous mode [ 36.512539][ T418] br0: port 3(veth4) entered disabled state [ 36.590423][ T419] br0: port 2(veth2) entered disabled state [ 36.673702][ T420] br0: port 1(veth1) entered disabled state [ 36.753808][ T421] veth4: left allmulticast mode [ 36.754086][ T421] veth4: left promiscuous mode [ 36.754456][ T421] br0: port 3(veth4) entered disabled state [ 36.757084][ T421] veth2: left allmulticast mode [ 36.757324][ T421] veth2: left promiscuous mode [ 36.757641][ T421] br0: port 2(veth2) entered disabled state [ 36.759292][ T421] veth1: left allmulticast mode [ 36.759673][ T421] veth1: left promiscuous mode [ 36.760157][ T421] br0: port 1(veth1) entered disabled state