[ 24.109766][ T238] ip (238) used greatest stack depth: 23328 bytes left [ 27.186702][ T282] 8021q: 802.1Q VLAN Support v1.8 [ 31.063295][ T324] GACT probability NOT on [ 32.387365][ T340] br10: port 1(veth1.10) entered blocking state [ 32.387775][ T340] br10: port 1(veth1.10) entered disabled state [ 32.388290][ T340] veth1.10: entered allmulticast mode [ 32.388480][ T340] veth1: entered allmulticast mode [ 32.396504][ T340] veth1.10: entered promiscuous mode [ 32.396698][ T340] veth1: entered promiscuous mode [ 32.874183][ T345] br11: port 1(veth1.11) entered blocking state [ 32.874460][ T345] br11: port 1(veth1.11) entered disabled state [ 32.874705][ T345] veth1.11: entered allmulticast mode [ 32.876679][ T345] veth1.11: entered promiscuous mode [ 33.750673][ T355] br10: port 2(veth2.10) entered blocking state [ 33.751081][ T355] br10: port 2(veth2.10) entered disabled state [ 33.751490][ T355] veth2.10: entered allmulticast mode [ 33.751745][ T355] veth2: entered allmulticast mode [ 33.756089][ T355] veth2.10: entered promiscuous mode [ 33.756374][ T355] veth2: entered promiscuous mode [ 34.190389][ T360] br11: port 2(veth2.11) entered blocking state [ 34.191545][ T360] br11: port 2(veth2.11) entered disabled state [ 34.191807][ T360] veth2.11: entered allmulticast mode [ 34.200910][ T360] veth2.11: entered promiscuous mode [ 34.664348][ T364] br10: port 2(veth2.10) entered blocking state [ 34.664726][ T364] br10: port 2(veth2.10) entered forwarding state [ 34.665478][ T364] br10: port 1(veth1.10) entered blocking state [ 34.665709][ T364] br10: port 1(veth1.10) entered forwarding state [ 34.774507][ T365] br11: port 2(veth2.11) entered blocking state [ 34.774769][ T365] br11: port 2(veth2.11) entered forwarding state [ 34.775200][ T365] br11: port 1(veth1.11) entered blocking state [ 34.775441][ T365] br11: port 1(veth1.11) entered forwarding state [ 49.959570][ C0] [ 49.959802][ C0] ======================================================== [ 49.960043][ C0] WARNING: possible irq lock inversion dependency detected [ 49.960263][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 49.960412][ C0] -------------------------------------------------------- [ 49.960631][ C0] swapper/0/0 just changed the state of lock: [ 49.960816][ C0] ffff88800626ac38 (&br->lock){+.-.}-{2:2}, at: br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 49.961179][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 49.961406][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 49.961410][ C0] [ 49.961410][ C0] [ 49.961410][ C0] and interrupts could create inverse lock ordering between them. [ 49.961410][ C0] [ 49.961950][ C0] [ 49.961950][ C0] other info that might help us debug this: [ 49.962173][ C0] Chain exists of: [ 49.962173][ C0] &br->lock --> lweventlist_lock --> &p->alloc_lock [ 49.962173][ C0] [ 49.962500][ C0] Possible interrupt unsafe locking scenario: [ 49.962500][ C0] [ 49.962716][ C0] CPU0 CPU1 [ 49.962869][ C0] ---- ---- [ 49.963026][ C0] lock(&p->alloc_lock); [ 49.963138][ C0] local_irq_disable(); [ 49.963321][ C0] lock(&br->lock); [ 49.963510][ C0] lock(lweventlist_lock); [ 49.963697][ C0] [ 49.963805][ C0] lock(&br->lock); [ 49.963918][ C0] [ 49.963918][ C0] *** DEADLOCK *** [ 49.963918][ C0] [ 49.964140][ C0] 1 lock held by swapper/0/0: [ 49.964293][ C0] #0: ffffc90000007d68 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 49.964600][ C0] [ 49.964600][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 49.964855][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 49.965024][ C0] HARDIRQ-ON-W at: [ 49.965137][ C0] __lock_acquire+0x797/0x1570 [ 49.965328][ C0] lock_acquire.part.0+0xeb/0x330 [ 49.965521][ C0] _raw_spin_lock+0x30/0x40 [ 49.965710][ C0] set_mems_allowed+0x1d/0x210 [ 49.965895][ C0] kernel_init_freeable+0x72/0x310 [ 49.966091][ C0] kernel_init+0x20/0x200 [ 49.966276][ C0] ret_from_fork+0x31/0x70 [ 49.966467][ C0] ret_from_fork_asm+0x1a/0x30 [ 49.966658][ C0] SOFTIRQ-ON-W at: [ 49.966771][ C0] __lock_acquire+0x797/0x1570 [ 49.966959][ C0] lock_acquire.part.0+0xeb/0x330 [ 49.967253][ C0] _raw_spin_lock+0x30/0x40 [ 49.967564][ C0] set_mems_allowed+0x1d/0x210 [ 49.967870][ C0] kernel_init_freeable+0x72/0x310 [ 49.968170][ C0] kernel_init+0x20/0x200 [ 49.968386][ C0] ret_from_fork+0x31/0x70 [ 49.968572][ C0] ret_from_fork_asm+0x1a/0x30 [ 49.968760][ C0] INITIAL USE at: [ 49.968871][ C0] __lock_acquire+0x797/0x1570 [ 49.969065][ C0] lock_acquire.part.0+0xeb/0x330 [ 49.969248][ C0] _raw_spin_lock+0x30/0x40 [ 49.969434][ C0] set_mems_allowed+0x1d/0x210 [ 49.969617][ C0] kernel_init_freeable+0x72/0x310 [ 49.969815][ C0] kernel_init+0x20/0x200 [ 49.970011][ C0] ret_from_fork+0x31/0x70 [ 49.970196][ C0] ret_from_fork_asm+0x1a/0x30 [ 49.970381][ C0] } [ 49.970457][ C0] ... key at: [] __key.387+0x0/0x40 [ 49.970685][ C0] ... acquired at: [ 49.970799][ C0] __lock_acquire+0xaf0/0x1570 [ 49.970949][ C0] lock_acquire.part.0+0xeb/0x330 [ 49.971102][ C0] _raw_spin_lock+0x30/0x40 [ 49.971252][ C0] __get_task_comm+0x27/0x70 [ 49.971399][ C0] ref_tracker_alloc+0x2ee/0x490 [ 49.971547][ C0] linkwatch_fire_event+0x196/0x200 [ 49.971699][ C0] veth_newlink+0x367/0x830 [veth] [ 49.971861][ C0] rtnl_newlink_create+0x341/0x850 [ 49.972017][ C0] __rtnl_newlink+0xac9/0xd80 [ 49.972165][ C0] rtnl_newlink+0x63/0xa0 [ 49.972315][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.972461][ C0] netlink_rcv_skb+0x130/0x360 [ 49.972626][ C0] netlink_unicast+0x449/0x710 [ 49.972773][ C0] netlink_sendmsg+0x723/0xbe0 [ 49.972920][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 49.973071][ C0] ___sys_sendmsg+0xee/0x170 [ 49.973217][ C0] __sys_sendmsg+0xcd/0x170 [ 49.973363][ C0] do_syscall_64+0xc6/0x1e0 [ 49.973513][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.973696][ C0] [ 49.973770][ C0] -> (lweventlist_lock){....}-{2:2} { [ 49.973927][ C0] INITIAL USE at: [ 49.974050][ C0] __lock_acquire+0x797/0x1570 [ 49.974235][ C0] lock_acquire.part.0+0xeb/0x330 [ 49.974421][ C0] _raw_spin_lock_irqsave+0x3f/0x60 [ 49.974604][ C0] linkwatch_sync_dev+0x29/0x1f0 [ 49.974786][ C0] rtnl_getlink+0x4c9/0x970 [ 49.974972][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.975234][ C0] netlink_rcv_skb+0x130/0x360 [ 49.975431][ C0] netlink_unicast+0x449/0x710 [ 49.975614][ C0] netlink_sendmsg+0x723/0xbe0 [ 49.975796][ C0] __sys_sendto+0x37d/0x410 [ 49.975983][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 49.976180][ C0] do_syscall_64+0xc6/0x1e0 [ 49.976365][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.976584][ C0] } [ 49.976658][ C0] ... key at: [] lweventlist_lock+0x18/0x60 [ 49.976877][ C0] ... acquired at: [ 49.976993][ C0] __lock_acquire+0xaf0/0x1570 [ 49.977142][ C0] lock_acquire.part.0+0xeb/0x330 [ 49.977291][ C0] _raw_spin_lock_irqsave+0x3f/0x60 [ 49.977442][ C0] linkwatch_fire_event+0x74/0x200 [ 49.977588][ C0] br_stp_change_bridge_id+0x25f/0x360 [bridge] [ 49.977813][ C0] br_set_mac_address+0x1f3/0x260 [bridge] [ 49.978034][ C0] dev_set_mac_address+0x28a/0x410 [ 49.978185][ C0] dev_set_mac_address_user+0x31/0x50 [ 49.978333][ C0] do_setlink+0x17b4/0x21e0 [ 49.978478][ C0] rtnl_setlink+0x1f7/0x310 [ 49.978629][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.978776][ C0] netlink_rcv_skb+0x130/0x360 [ 49.978923][ C0] netlink_unicast+0x449/0x710 [ 49.979073][ C0] netlink_sendmsg+0x723/0xbe0 [ 49.979223][ C0] __sys_sendto+0x37d/0x410 [ 49.979370][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 49.979520][ C0] do_syscall_64+0xc6/0x1e0 [ 49.979667][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.979859][ C0] [ 49.979935][ C0] -> (&br->lock){+.-.}-{2:2} { [ 49.980096][ C0] HARDIRQ-ON-W at: [ 49.980209][ C0] __lock_acquire+0x797/0x1570 [ 49.980393][ C0] lock_acquire.part.0+0xeb/0x330 [ 49.980576][ C0] _raw_spin_lock_bh+0x38/0x50 [ 49.980761][ C0] br_set_mac_address+0xd2/0x260 [bridge] [ 49.981022][ C0] dev_set_mac_address+0x28a/0x410 [ 49.981212][ C0] dev_set_mac_address_user+0x31/0x50 [ 49.981398][ C0] do_setlink+0x17b4/0x21e0 [ 49.981581][ C0] rtnl_setlink+0x1f7/0x310 [ 49.981762][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.981945][ C0] netlink_rcv_skb+0x130/0x360 [ 49.982140][ C0] netlink_unicast+0x449/0x710 [ 49.982325][ C0] netlink_sendmsg+0x723/0xbe0 [ 49.982507][ C0] __sys_sendto+0x37d/0x410 [ 49.982690][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 49.982872][ C0] do_syscall_64+0xc6/0x1e0 [ 49.983065][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.983284][ C0] IN-SOFTIRQ-W at: [ 49.983393][ C0] __lock_acquire+0x797/0x1570 [ 49.983582][ C0] lock_acquire.part.0+0xeb/0x330 [ 49.983764][ C0] _raw_spin_lock+0x30/0x40 [ 49.983954][ C0] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 49.984236][ C0] call_timer_fn+0x13b/0x230 [ 49.984420][ C0] __run_timers+0x545/0x810 [ 49.984697][ C0] run_timer_softirq+0xe8/0x1b0 [ 49.984883][ C0] __do_softirq+0x1f8/0x5df [ 49.985073][ C0] irq_exit_rcu+0x97/0xc0 [ 49.985256][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 49.985564][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 49.985781][ C0] default_idle+0xf/0x20 [ 49.985963][ C0] default_idle_call+0x6d/0xb0 [ 49.986247][ C0] cpuidle_idle_call+0x1f4/0x280 [ 49.986434][ C0] do_idle+0xf9/0x160 [ 49.986581][ C0] cpu_startup_entry+0x54/0x60 [ 49.986853][ C0] rest_init+0x14f/0x260 [ 49.987041][ C0] start_kernel+0x318/0x3d0 [ 49.987227][ C0] x86_64_start_reservations+0x18/0x30 [ 49.987408][ C0] x86_64_start_kernel+0xba/0x110 [ 49.987686][ C0] common_startup_64+0x12c/0x138 [ 49.987868][ C0] INITIAL USE at: [ 49.987981][ C0] __lock_acquire+0x797/0x1570 [ 49.988171][ C0] lock_acquire.part.0+0xeb/0x330 [ 49.988443][ C0] _raw_spin_lock_bh+0x38/0x50 [ 49.988625][ C0] br_set_mac_address+0xd2/0x260 [bridge] [ 49.988877][ C0] dev_set_mac_address+0x28a/0x410 [ 49.989166][ C0] dev_set_mac_address_user+0x31/0x50 [ 49.989351][ C0] do_setlink+0x17b4/0x21e0 [ 49.989531][ C0] rtnl_setlink+0x1f7/0x310 [ 49.989814][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 49.989999][ C0] netlink_rcv_skb+0x130/0x360 [ 49.990183][ C0] netlink_unicast+0x449/0x710 [ 49.990373][ C0] netlink_sendmsg+0x723/0xbe0 [ 49.990741][ C0] __sys_sendto+0x37d/0x410 [ 49.990925][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 49.991114][ C0] do_syscall_64+0xc6/0x1e0 [ 49.991296][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 49.991517][ C0] } [ 49.991591][ C0] ... key at: [] __key.6+0x0/0xfffffffffffe5ac0 [bridge] [ 49.991972][ C0] ... acquired at: [ 49.992144][ C0] mark_lock+0x28d/0x3e0 [ 49.992350][ C0] mark_usage+0xd9/0x2a0 [ 49.992495][ C0] __lock_acquire+0x797/0x1570 [ 49.992644][ C0] lock_acquire.part.0+0xeb/0x330 [ 49.992881][ C0] _raw_spin_lock+0x30/0x40 [ 49.993038][ C0] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 49.993259][ C0] call_timer_fn+0x13b/0x230 [ 49.993407][ C0] __run_timers+0x545/0x810 [ 49.993642][ C0] run_timer_softirq+0xe8/0x1b0 [ 49.993789][ C0] __do_softirq+0x1f8/0x5df [ 49.993934][ C0] irq_exit_rcu+0x97/0xc0 [ 49.994078][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 49.994348][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 49.994528][ C0] default_idle+0xf/0x20 [ 49.994674][ C0] default_idle_call+0x6d/0xb0 [ 49.994824][ C0] cpuidle_idle_call+0x1f4/0x280 [ 49.995059][ C0] do_idle+0xf9/0x160 [ 49.995168][ C0] cpu_startup_entry+0x54/0x60 [ 49.995314][ C0] rest_init+0x14f/0x260 [ 49.995459][ C0] start_kernel+0x318/0x3d0 [ 49.995694][ C0] x86_64_start_reservations+0x18/0x30 [ 49.995842][ C0] x86_64_start_kernel+0xba/0x110 [ 49.995988][ C0] common_startup_64+0x12c/0x138 [ 49.996136][ C0] [ 49.996210][ C0] [ 49.996210][ C0] stack backtrace: [ 49.996475][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.9.0-rc1-virtme #1 [ 49.996693][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 49.997109][ C0] Call Trace: [ 49.997219][ C0] [ 49.997301][ C0] dump_stack_lvl+0x82/0xd0 [ 49.997450][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 49.997635][ C0] ? common_startup_64+0x12c/0x138 [ 49.997871][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 49.998061][ C0] ? __pfx_usage_skip+0x10/0x10 [ 49.998207][ C0] ? __pfx_usage_match+0x10/0x10 [ 49.998352][ C0] ? arch_stack_walk+0x8c/0xf0 [ 49.998593][ C0] mark_lock_irq+0x4cd/0xa10 [ 49.998740][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 49.998888][ C0] ? stack_trace_save+0x94/0xd0 [ 49.999037][ C0] ? add_chain_cache+0x248/0x8b0 [ 49.999185][ C0] ? save_trace+0x8f/0x5b0 [ 49.999331][ C0] mark_lock+0x28d/0x3e0 [ 49.999443][ C0] mark_usage+0xd9/0x2a0 [ 49.999554][ C0] __lock_acquire+0x797/0x1570 [ 49.999712][ C0] ? __lock_acquire+0xaf0/0x1570 [ 49.999953][ C0] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 50.000206][ C0] lock_acquire.part.0+0xeb/0x330 [ 50.000360][ C0] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.000579][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 50.000816][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 50.000962][ C0] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.001181][ C0] ? lock_acquire+0x32/0xc0 [ 50.001326][ C0] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.001637][ C0] _raw_spin_lock+0x30/0x40 [ 50.001787][ C0] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.002005][ C0] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 50.002317][ C0] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 50.002569][ C0] call_timer_fn+0x13b/0x230 [ 50.002715][ C0] ? call_timer_fn+0xe8/0x230 [ 50.002861][ C0] ? call_timer_fn+0xe8/0x230 [ 50.003106][ C0] ? __pfx_call_timer_fn+0x10/0x10 [ 50.003257][ C0] ? mark_lock+0x38/0x3e0 [ 50.003374][ C0] __run_timers+0x545/0x810 [ 50.003521][ C0] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 50.003864][ C0] ? __pfx___run_timers+0x10/0x10 [ 50.004011][ C0] ? do_raw_spin_lock+0x131/0x270 [ 50.004158][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 50.004303][ C0] ? lock_acquire+0x32/0xc0 [ 50.004544][ C0] ? run_timer_softirq+0xe0/0x1b0 [ 50.004695][ C0] run_timer_softirq+0xe8/0x1b0 [ 50.004840][ C0] __do_softirq+0x1f8/0x5df [ 50.004987][ C0] irq_exit_rcu+0x97/0xc0 [ 50.005098][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 50.005243][ C0] [ 50.005319][ C0] [ 50.005407][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 50.005589][ C0] RIP: 0010:default_idle+0xf/0x20 [ 50.005741][ 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 a3 30 35 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 [ 50.006355][ C0] RSP: 0018:ffffffffac207e00 EFLAGS: 00000246 [ 50.006636][ C0] RAX: 00000000000d0be1 RBX: 1ffffffff5840fc2 RCX: ffffffffab30e9d5 [ 50.006855][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa8caa4a4 [ 50.007071][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c0709c [ 50.007385][ C0] R10: ffff8880360384e3 R11: ffff88803602d9b0 R12: 0000000000000000 [ 50.007605][ C0] R13: ffffffffac21d000 R14: dffffc0000000000 R15: 0000000000014770 [ 50.007824][ C0] ? ct_kernel_exit.constprop.0+0xc5/0xf0 [ 50.008061][ C0] ? cpuidle_idle_call+0x1f4/0x280 [ 50.008208][ C0] default_idle_call+0x6d/0xb0 [ 50.008357][ C0] cpuidle_idle_call+0x1f4/0x280 [ 50.008502][ C0] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 50.008739][ C0] ? tsc_verify_tsc_adjust+0x5e/0x2b0 [ 50.008887][ C0] do_idle+0xf9/0x160 [ 50.008998][ C0] cpu_startup_entry+0x54/0x60 [ 50.009142][ C0] rest_init+0x14f/0x260 [ 50.009254][ C0] start_kernel+0x318/0x3d0 [ 50.009492][ C0] x86_64_start_reservations+0x18/0x30 [ 50.009640][ C0] x86_64_start_kernel+0xba/0x110 [ 50.009797][ C0] common_startup_64+0x12c/0x138 [ 50.009947][ C0] [ 115.739507][ T614] br11: port 2(veth2.11) entered disabled state [ 115.739976][ T614] br11: port 1(veth1.11) entered disabled state [ 115.844327][ T615] br10: port 2(veth2.10) entered disabled state [ 115.844781][ T615] br10: port 1(veth1.10) entered disabled state [ 116.046852][ T617] veth2.11: left allmulticast mode [ 116.047092][ T617] veth2.11: left promiscuous mode [ 116.047373][ T617] br11: port 2(veth2.11) entered disabled state [ 116.246754][ T619] veth2: left allmulticast mode [ 116.246939][ T619] veth2: left promiscuous mode [ 116.348834][ T622] veth2.10: left allmulticast mode [ 116.349013][ T622] veth2.10: left promiscuous mode [ 116.349258][ T622] br10: port 2(veth2.10) entered disabled state [ 116.875595][ T627] veth1.11: left allmulticast mode [ 116.875769][ T627] veth1.11: left promiscuous mode [ 116.876017][ T627] br11: port 1(veth1.11) entered disabled state [ 117.092940][ T629] veth1: left allmulticast mode [ 117.093195][ T629] veth1: left promiscuous mode [ 117.190353][ T630] veth1.10: left allmulticast mode [ 117.190574][ T630] veth1.10: left promiscuous mode [ 117.190824][ T630] br10: port 1(veth1.10) entered disabled state