[ 25.121367][ T259] ip (259) used greatest stack depth: 24496 bytes left [ 26.627078][ T272] ip (272) used greatest stack depth: 24432 bytes left [ 29.467807][ T299] gre: GRE over IPv4 demultiplexor driver [ 29.488328][ T299] ip_gre: GRE over IPv4 tunneling driver [ 29.844733][ T305] ip (305) used greatest stack depth: 24000 bytes left [ 30.327110][ T309] GACT probability NOT on [ 30.605104][ T311] ip6_gre: GRE over IPv6 tunneling driver [ 30.799874][ T50] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 30.922740][ T49] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 30.942099][ T49] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 31.422033][ T10] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 32.095463][ T325] br1: port 1(veth1) entered blocking state [ 32.095865][ T325] br1: port 1(veth1) entered disabled state [ 32.096193][ T325] veth1: entered allmulticast mode [ 32.099283][ T325] veth1: entered promiscuous mode [ 32.213078][ T49] br1: port 1(veth1) entered blocking state [ 32.213557][ T49] br1: port 1(veth1) entered forwarding state [ 32.331612][ T327] br1: port 2(veth2) entered blocking state [ 32.332150][ T327] br1: port 2(veth2) entered disabled state [ 32.332420][ T327] veth2: entered allmulticast mode [ 32.334312][ T327] veth2: entered promiscuous mode [ 32.452042][ T10] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 32.452843][ T10] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 32.454795][ T49] br1: port 2(veth2) entered blocking state [ 32.455079][ T49] br1: port 2(veth2) entered forwarding state [ 33.085795][ T51] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 33.156121][ T51] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 33.403700][ T51] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 33.668704][ T10] ip6_tunnel: gt6 xmit: Local address not yet configured! [ 37.187850][ C0] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 40.914859][ T367] Mirror/redirect action on [ 46.403828][ C3] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 47.427689][ C1] [ 47.427937][ C1] ======================================================== [ 47.428175][ C1] WARNING: possible irq lock inversion dependency detected [ 47.428398][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 47.428546][ C1] -------------------------------------------------------- [ 47.428765][ C1] swapper/1/0 just changed the state of lock: [ 47.428956][ C1] ffff88800927ac38 (&br->lock){+.-.}-{2:2}, at: br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 47.429343][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 47.429567][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 47.429572][ C1] [ 47.429572][ C1] [ 47.429572][ C1] and interrupts could create inverse lock ordering between them. [ 47.429572][ C1] [ 47.430104][ C1] [ 47.430104][ C1] other info that might help us debug this: [ 47.430325][ C1] Chain exists of: [ 47.430325][ C1] &br->lock --> lweventlist_lock --> &p->alloc_lock [ 47.430325][ C1] [ 47.430654][ C1] Possible interrupt unsafe locking scenario: [ 47.430654][ C1] [ 47.430869][ C1] CPU0 CPU1 [ 47.431013][ C1] ---- ---- [ 47.431159][ C1] lock(&p->alloc_lock); [ 47.431268][ C1] local_irq_disable(); [ 47.431449][ C1] lock(&br->lock); [ 47.431633][ C1] lock(lweventlist_lock); [ 47.431812][ C1] [ 47.431925][ C1] lock(&br->lock); [ 47.432037][ C1] [ 47.432037][ C1] *** DEADLOCK *** [ 47.432037][ C1] [ 47.432254][ C1] 1 lock held by swapper/1/0: [ 47.432403][ C1] #0: ffffc900001d8d68 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 47.432707][ C1] [ 47.432707][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 47.432960][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 47.433109][ C1] HARDIRQ-ON-W at: [ 47.433222][ C1] __lock_acquire+0x797/0x1570 [ 47.433413][ C1] lock_acquire.part.0+0xeb/0x330 [ 47.433610][ C1] _raw_spin_lock+0x30/0x40 [ 47.433803][ C1] set_mems_allowed+0x1d/0x210 [ 47.433990][ C1] kernel_init_freeable+0x72/0x310 [ 47.434178][ C1] kernel_init+0x20/0x200 [ 47.434362][ C1] ret_from_fork+0x31/0x70 [ 47.434551][ C1] ret_from_fork_asm+0x1a/0x30 [ 47.434732][ C1] SOFTIRQ-ON-W at: [ 47.434841][ C1] __lock_acquire+0x797/0x1570 [ 47.435030][ C1] lock_acquire.part.0+0xeb/0x330 [ 47.435213][ C1] _raw_spin_lock+0x30/0x40 [ 47.435396][ C1] set_mems_allowed+0x1d/0x210 [ 47.435578][ C1] kernel_init_freeable+0x72/0x310 [ 47.435764][ C1] kernel_init+0x20/0x200 [ 47.435946][ C1] ret_from_fork+0x31/0x70 [ 47.436134][ C1] ret_from_fork_asm+0x1a/0x30 [ 47.436316][ C1] INITIAL USE at: [ 47.436429][ C1] __lock_acquire+0x797/0x1570 [ 47.436621][ C1] lock_acquire.part.0+0xeb/0x330 [ 47.436804][ C1] _raw_spin_lock+0x30/0x40 [ 47.436987][ C1] set_mems_allowed+0x1d/0x210 [ 47.437175][ C1] kernel_init_freeable+0x72/0x310 [ 47.437359][ C1] kernel_init+0x20/0x200 [ 47.437541][ C1] ret_from_fork+0x31/0x70 [ 47.437726][ C1] ret_from_fork_asm+0x1a/0x30 [ 47.437907][ C1] } [ 47.437981][ C1] ... key at: [] __key.387+0x0/0x40 [ 47.438202][ C1] ... acquired at: [ 47.438320][ C1] __lock_acquire+0xaf0/0x1570 [ 47.438471][ C1] lock_acquire.part.0+0xeb/0x330 [ 47.438617][ C1] _raw_spin_lock+0x30/0x40 [ 47.438763][ C1] __get_task_comm+0x27/0x70 [ 47.438912][ C1] ref_tracker_alloc+0x2ee/0x490 [ 47.439060][ C1] linkwatch_fire_event+0x196/0x200 [ 47.439209][ C1] veth_newlink+0x367/0x830 [veth] [ 47.439364][ C1] rtnl_newlink_create+0x341/0x850 [ 47.439517][ C1] __rtnl_newlink+0xac9/0xd80 [ 47.439667][ C1] rtnl_newlink+0x63/0xa0 [ 47.439814][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 47.439957][ C1] netlink_rcv_skb+0x130/0x360 [ 47.440106][ C1] netlink_unicast+0x449/0x710 [ 47.440255][ C1] netlink_sendmsg+0x723/0xbe0 [ 47.440405][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 47.440555][ C1] ___sys_sendmsg+0xee/0x170 [ 47.440707][ C1] __sys_sendmsg+0xcd/0x170 [ 47.440854][ C1] do_syscall_64+0xc6/0x1e0 [ 47.441000][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 47.441183][ C1] [ 47.441257][ C1] -> (lweventlist_lock){....}-{2:2} { [ 47.441408][ C1] INITIAL USE at: [ 47.441521][ C1] __lock_acquire+0x797/0x1570 [ 47.441705][ C1] lock_acquire.part.0+0xeb/0x330 [ 47.441893][ C1] _raw_spin_lock_irqsave+0x3f/0x60 [ 47.442079][ C1] linkwatch_sync_dev+0x29/0x1f0 [ 47.442260][ C1] rtnl_getlink+0x4c9/0x970 [ 47.442443][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 47.442625][ C1] netlink_rcv_skb+0x130/0x360 [ 47.442808][ C1] netlink_unicast+0x449/0x710 [ 47.442993][ C1] netlink_sendmsg+0x723/0xbe0 [ 47.443174][ C1] __sys_sendto+0x37d/0x410 [ 47.443359][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 47.443541][ C1] do_syscall_64+0xc6/0x1e0 [ 47.443730][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 47.443951][ C1] } [ 47.444024][ C1] ... key at: [] lweventlist_lock+0x18/0x60 [ 47.444246][ C1] ... acquired at: [ 47.444355][ C1] __lock_acquire+0xaf0/0x1570 [ 47.444501][ C1] lock_acquire.part.0+0xeb/0x330 [ 47.444649][ C1] _raw_spin_lock_irqsave+0x3f/0x60 [ 47.444795][ C1] linkwatch_fire_event+0x74/0x200 [ 47.444941][ C1] br_stp_change_bridge_id+0x25f/0x360 [bridge] [ 47.445161][ C1] br_set_mac_address+0x1f3/0x260 [bridge] [ 47.445381][ C1] dev_set_mac_address+0x28a/0x410 [ 47.445532][ C1] dev_set_mac_address_user+0x31/0x50 [ 47.445678][ C1] do_setlink+0x17b4/0x21e0 [ 47.445823][ C1] rtnl_setlink+0x1f7/0x310 [ 47.445968][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 47.446113][ C1] netlink_rcv_skb+0x130/0x360 [ 47.446258][ C1] netlink_unicast+0x449/0x710 [ 47.446405][ C1] netlink_sendmsg+0x723/0xbe0 [ 47.446562][ C1] __sys_sendto+0x37d/0x410 [ 47.446709][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 47.446853][ C1] do_syscall_64+0xc6/0x1e0 [ 47.446998][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 47.447181][ C1] [ 47.447254][ C1] -> (&br->lock){+.-.}-{2:2} { [ 47.447406][ C1] HARDIRQ-ON-W at: [ 47.447517][ C1] __lock_acquire+0x797/0x1570 [ 47.447704][ C1] lock_acquire.part.0+0xeb/0x330 [ 47.447894][ C1] _raw_spin_lock_bh+0x38/0x50 [ 47.448075][ C1] recalculate_group_addr+0x55/0x130 [bridge] [ 47.448331][ C1] br_vlan_filter_toggle+0x77/0x130 [bridge] [ 47.448595][ C1] br_changelink+0x36c/0x1360 [bridge] [ 47.448816][ C1] br_dev_newlink+0xa5/0x100 [bridge] [ 47.449038][ C1] rtnl_newlink_create+0x341/0x850 [ 47.449224][ C1] __rtnl_newlink+0xac9/0xd80 [ 47.449406][ C1] rtnl_newlink+0x63/0xa0 [ 47.449589][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 47.449771][ C1] netlink_rcv_skb+0x130/0x360 [ 47.449953][ C1] netlink_unicast+0x449/0x710 [ 47.450132][ C1] netlink_sendmsg+0x723/0xbe0 [ 47.450320][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 47.450503][ C1] ___sys_sendmsg+0xee/0x170 [ 47.450684][ C1] __sys_sendmsg+0xcd/0x170 [ 47.450867][ C1] do_syscall_64+0xc6/0x1e0 [ 47.451051][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 47.451269][ C1] IN-SOFTIRQ-W at: [ 47.451378][ C1] __lock_acquire+0x797/0x1570 [ 47.451566][ C1] lock_acquire.part.0+0xeb/0x330 [ 47.451748][ C1] _raw_spin_lock+0x30/0x40 [ 47.451929][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 47.452185][ C1] call_timer_fn+0x13b/0x230 [ 47.452370][ C1] __run_timers+0x545/0x810 [ 47.452551][ C1] run_timer_softirq+0xe8/0x1b0 [ 47.452738][ C1] __do_softirq+0x1f8/0x5df [ 47.452921][ C1] irq_exit_rcu+0x97/0xc0 [ 47.453105][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 47.453325][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 47.453542][ C1] default_idle+0xf/0x20 [ 47.453737][ C1] default_idle_call+0x6d/0xb0 [ 47.453921][ C1] cpuidle_idle_call+0x1f4/0x280 [ 47.454104][ C1] do_idle+0xf9/0x160 [ 47.454253][ C1] cpu_startup_entry+0x54/0x60 [ 47.454434][ C1] start_secondary+0x21c/0x2b0 [ 47.454618][ C1] common_startup_64+0x12c/0x138 [ 47.454801][ C1] INITIAL USE at: [ 47.454912][ C1] __lock_acquire+0x797/0x1570 [ 47.455099][ C1] lock_acquire.part.0+0xeb/0x330 [ 47.455281][ C1] _raw_spin_lock_bh+0x38/0x50 [ 47.455466][ C1] recalculate_group_addr+0x55/0x130 [bridge] [ 47.455729][ C1] br_vlan_filter_toggle+0x77/0x130 [bridge] [ 47.455985][ C1] br_changelink+0x36c/0x1360 [bridge] [ 47.456209][ C1] br_dev_newlink+0xa5/0x100 [bridge] [ 47.456431][ C1] rtnl_newlink_create+0x341/0x850 [ 47.456620][ C1] __rtnl_newlink+0xac9/0xd80 [ 47.456800][ C1] rtnl_newlink+0x63/0xa0 [ 47.456982][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 47.457162][ C1] netlink_rcv_skb+0x130/0x360 [ 47.457348][ C1] netlink_unicast+0x449/0x710 [ 47.457535][ C1] netlink_sendmsg+0x723/0xbe0 [ 47.457713][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 47.457896][ C1] ___sys_sendmsg+0xee/0x170 [ 47.458078][ C1] __sys_sendmsg+0xcd/0x170 [ 47.458261][ C1] do_syscall_64+0xc6/0x1e0 [ 47.458443][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 47.458659][ C1] } [ 47.458734][ C1] ... key at: [] __key.6+0x0/0xfffffffffffe5ac0 [bridge] [ 47.459104][ C1] ... acquired at: [ 47.459212][ C1] mark_lock+0x28d/0x3e0 [ 47.459355][ C1] mark_usage+0xd9/0x2a0 [ 47.459587][ C1] __lock_acquire+0x797/0x1570 [ 47.459735][ C1] lock_acquire.part.0+0xeb/0x330 [ 47.459888][ C1] _raw_spin_lock+0x30/0x40 [ 47.460033][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 47.460256][ C1] call_timer_fn+0x13b/0x230 [ 47.460399][ C1] __run_timers+0x545/0x810 [ 47.460549][ C1] run_timer_softirq+0xe8/0x1b0 [ 47.460693][ C1] __do_softirq+0x1f8/0x5df [ 47.460837][ C1] irq_exit_rcu+0x97/0xc0 [ 47.461058][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 47.461237][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 47.461416][ C1] default_idle+0xf/0x20 [ 47.461637][ C1] default_idle_call+0x6d/0xb0 [ 47.461784][ C1] cpuidle_idle_call+0x1f4/0x280 [ 47.461932][ C1] do_idle+0xf9/0x160 [ 47.462043][ C1] cpu_startup_entry+0x54/0x60 [ 47.462188][ C1] start_secondary+0x21c/0x2b0 [ 47.462410][ C1] common_startup_64+0x12c/0x138 [ 47.462555][ C1] [ 47.462628][ C1] [ 47.462628][ C1] stack backtrace: [ 47.462811][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.9.0-rc1-virtme #1 [ 47.463110][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 47.463433][ C1] Call Trace: [ 47.463543][ C1] [ 47.463626][ C1] dump_stack_lvl+0x82/0xd0 [ 47.463927][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 47.464110][ C1] ? common_startup_64+0x12c/0x138 [ 47.464257][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 47.464529][ C1] ? __pfx_usage_skip+0x10/0x10 [ 47.464677][ C1] ? __pfx_usage_match+0x10/0x10 [ 47.464821][ C1] ? arch_stack_walk+0x8c/0xf0 [ 47.464967][ C1] mark_lock_irq+0x4cd/0xa10 [ 47.465116][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 47.465262][ C1] ? stack_trace_save+0x94/0xd0 [ 47.465411][ C1] ? add_chain_cache+0x248/0x8b0 [ 47.465558][ C1] ? save_trace+0x8f/0x5b0 [ 47.465708][ C1] mark_lock+0x28d/0x3e0 [ 47.465821][ C1] mark_usage+0xd9/0x2a0 [ 47.465930][ C1] __lock_acquire+0x797/0x1570 [ 47.466076][ C1] ? __lock_acquire+0xaf0/0x1570 [ 47.466220][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 47.466561][ C1] lock_acquire.part.0+0xeb/0x330 [ 47.466707][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 47.466924][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 47.467073][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 47.467222][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 47.467439][ C1] ? lock_acquire+0x32/0xc0 [ 47.467585][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 47.467803][ C1] _raw_spin_lock+0x30/0x40 [ 47.468025][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 47.468243][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 47.468464][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 47.468804][ C1] call_timer_fn+0x13b/0x230 [ 47.468950][ C1] ? call_timer_fn+0xe8/0x230 [ 47.469093][ C1] ? call_timer_fn+0xe8/0x230 [ 47.469239][ C1] ? __pfx_call_timer_fn+0x10/0x10 [ 47.469464][ C1] ? mark_lock+0x38/0x3e0 [ 47.469579][ C1] __run_timers+0x545/0x810 [ 47.469726][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 47.469984][ C1] ? __pfx___run_timers+0x10/0x10 [ 47.470205][ C1] ? do_raw_spin_lock+0x131/0x270 [ 47.470349][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 47.470495][ C1] ? lock_acquire+0x32/0xc0 [ 47.470639][ C1] ? run_timer_softirq+0xe0/0x1b0 [ 47.470785][ C1] run_timer_softirq+0xe8/0x1b0 [ 47.471010][ C1] __do_softirq+0x1f8/0x5df [ 47.471155][ C1] irq_exit_rcu+0x97/0xc0 [ 47.471269][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 47.471412][ C1] [ 47.471488][ C1] [ 47.471637][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 47.471817][ C1] RIP: 0010:default_idle+0xf/0x20 [ 47.471968][ 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 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 [ 47.472564][ C1] RSP: 0018:ffffc9000014fdf8 EFLAGS: 00000246 [ 47.472752][ C1] RAX: 00000000000981ff RBX: 1ffff92000029fc1 RCX: ffffffffbbd0e9d5 [ 47.473051][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb96aa4a4 [ 47.473275][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1709c [ 47.473494][ C1] R10: ffff8880360b84e3 R11: ffff8880360ad9b0 R12: 0000000000000000 [ 47.473814][ C1] R13: ffff888001b7a300 R14: dffffc0000000000 R15: 0000000000000000 [ 47.474036][ C1] ? ct_kernel_exit.constprop.0+0xc5/0xf0 [ 47.474182][ C1] ? cpuidle_idle_call+0x1f4/0x280 [ 47.474329][ C1] default_idle_call+0x6d/0xb0 [ 47.474552][ C1] cpuidle_idle_call+0x1f4/0x280 [ 47.474699][ C1] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 47.474843][ C1] ? tsc_verify_tsc_adjust+0x5e/0x2b0 [ 47.474992][ C1] do_idle+0xf9/0x160 [ 47.475257][ C1] cpu_startup_entry+0x54/0x60 [ 47.475402][ C1] start_secondary+0x21c/0x2b0 [ 47.475546][ C1] ? __pfx_start_secondary+0x10/0x10 [ 47.475691][ C1] common_startup_64+0x12c/0x138 [ 47.475915][ C1] [ 63.811694][ C1] ip6_tunnel: h3-gt6 xmit: Local address not yet configured! [ 76.631238][ T543] br1: port 1(veth1) entered disabled state [ 76.734423][ T544] br1: port 2(veth2) entered disabled state [ 76.835761][ T546] veth2: left allmulticast mode [ 76.836011][ T546] veth2: left promiscuous mode [ 76.836273][ T546] br1: port 2(veth2) entered disabled state [ 76.837177][ T546] veth1: left allmulticast mode [ 76.837322][ T546] veth1: left promiscuous mode [ 76.837565][ T546] br1: port 1(veth1) entered disabled state