[ 10.842030][ T237] br1: port 1(veth1) entered blocking state [ 10.842117][ T237] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.842120][ T237] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 237, name: ip [ 10.842121][ T237] preempt_count: 1, expected: 0 [ 10.842122][ T237] RCU nest depth: 0, expected: 0 [ 10.842123][ T237] locks held by ip/237: 5, last CPU#0: [ 10.842126][ T237] #0: ffffffff9dad2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 10.842138][ T237] #1: ffffffff9d369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.842145][ T237] #2: ffffffff9d369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.842149][ T237] #3: ffffffff9d289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.842152][ T237] #4: ffffffff9d289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.842156][ T237] irq event stamp: 20342 [ 10.842157][ T237] hardirqs last enabled at (20341): [] __down_trylock_console_sem+0x86/0xa0 [ 10.842160][ T237] hardirqs last disabled at (20342): [] console_emit_next_record+0x3d4/0x4c0 [ 10.842162][ T237] softirqs last enabled at (20252): [] __alloc_skb+0x4c2/0x5f0 [ 10.842165][ T237] softirqs last disabled at (20250): [] __alloc_skb+0x4c2/0x5f0 [ 10.842167][ T237] Preemption disabled at: [ 10.842168][ T237] [] vprintk_emit+0x31b/0x3e0 [ 10.842174][ T237] CPU: 0 UID: 0 PID: 237 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.842177][ T237] Tainted: [W]=WARN [ 10.842178][ T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.842180][ T237] Call Trace: [ 10.842182][ T237] [ 10.842183][ T237] dump_stack_lvl+0x6f/0xa0 [ 10.842189][ T237] ? vprintk_emit+0x31b/0x3e0 [ 10.842192][ T237] __might_resched.cold+0x1fe/0x2c1 [ 10.842196][ T237] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.842200][ T237] ? __kmalloc_noprof+0xdb/0x760 [ 10.842205][ T237] __kmalloc_noprof+0x443/0x760 [ 10.842208][ T237] ? alloc_buf.isra.0+0x4b/0x260 [ 10.842213][ T237] ? do_raw_spin_unlock+0x59/0x250 [ 10.842216][ T237] alloc_buf.isra.0+0x4b/0x260 [ 10.842219][ T237] put_chars+0x1e1/0x2f0 [ 10.842222][ T237] ? __send_to_port+0x420/0x420 [ 10.842226][ T237] ? validate_chain+0x34a/0xc20 [ 10.842229][ T237] hvc_console_print+0x292/0x780 [ 10.842232][ T237] ? mark_usage+0x61/0x170 [ 10.842234][ T237] ? __lock_acquire+0x518/0xc20 [ 10.842236][ T237] ? __lock_acquire+0x518/0xc20 [ 10.842240][ T237] ? hvc_write+0x3a0/0x3a0 [ 10.842242][ T237] ? console_emit_next_record+0x1df/0x4c0 [ 10.842245][ T237] ? rcu_is_watching+0x16/0xd0 [ 10.842249][ T237] ? lock_acquire+0x13c/0x160 [ 10.842253][ T237] console_emit_next_record+0x22f/0x4c0 [ 10.842257][ T237] ? devkmsg_read+0x4b0/0x4b0 [ 10.842259][ T237] ? console_flush_one_record+0x106/0x710 [ 10.842262][ T237] ? rcu_is_watching+0x16/0xd0 [ 10.842264][ T237] ? lock_acquire+0x13c/0x160 [ 10.842268][ T237] console_flush_one_record+0x46f/0x710 [ 10.842272][ T237] ? console_emit_next_record+0x4c0/0x4c0 [ 10.842274][ T237] ? __lock_acquire+0x518/0xc20 [ 10.842279][ T237] console_unlock+0xee/0x1f0 [ 10.842281][ T237] ? console_flush_one_record+0x710/0x710 [ 10.842283][ T237] ? rcu_is_watching+0x16/0xd0 [ 10.842286][ T237] ? lock_acquire+0x60/0x160 [ 10.842290][ T237] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.842292][ T237] ? vprintk_emit+0x320/0x3e0 [ 10.842295][ T237] vprintk_emit+0x37c/0x3e0 [ 10.842299][ T237] ? wake_up_klogd_work_func+0x90/0x90 [ 10.842301][ T237] ? __lock_release.isra.0+0x69/0x1a0 [ 10.842303][ T237] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 10.842307][ T237] ? mark_held_locks+0x40/0x70 [ 10.842311][ T237] _printk+0xc7/0x100 [ 10.842314][ T237] ? snapshot_read.cold+0x21/0x21 [ 10.842318][ T237] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 10.842330][ T237] ? do_setlink.isra.0+0xa31/0x2750 [ 10.842332][ T237] ? rtnl_newlink+0x9f1/0x11c0 [ 10.842333][ T237] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.842338][ T237] br_set_state+0x22f/0x430 [bridge] [ 10.842348][ T237] br_init_port+0xc4/0x200 [bridge] [ 10.842356][ T237] new_nbp+0x39c/0x580 [bridge] [ 10.842365][ T237] br_add_if+0x212/0x1320 [bridge] [ 10.842373][ T237] ? is_bpf_text_address+0x72/0x110 [ 10.842377][ T237] ? kernel_text_address+0x149/0x170 [ 10.842380][ T237] ? __kernel_text_address+0x12/0x30 [ 10.842384][ T237] do_set_master+0x357/0x580 [ 10.842388][ T237] do_setlink.isra.0+0xa31/0x2750 [ 10.842391][ T237] ? stack_trace_save+0x93/0xc0 [ 10.842394][ T237] ? rtnl_link_get_size+0x350/0x350 [ 10.842396][ T237] ? rcu_read_lock_any_held+0x66/0x90 [ 10.842398][ T237] ? stack_depot_save_flags+0x38e/0x790 [ 10.842401][ T237] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.842404][ T237] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.842406][ T237] ? validate_chain+0x38b/0xc20 [ 10.842408][ T237] ? kasan_save_stack+0x3d/0x50 [ 10.842411][ T237] ? kasan_save_stack+0x2f/0x50 [ 10.842413][ T237] ? kasan_save_track+0x14/0x30 [ 10.842416][ T237] ? __lock_acquire+0x518/0xc20 [ 10.842418][ T237] ? netlink_seq_next+0x4e/0x60 [ 10.842420][ T237] ? ___sys_sendmsg+0xb0/0x1d0 [ 10.842425][ T237] ? lock_acquire.part.0+0xd4/0x280 [ 10.842427][ T237] ? rtnl_newlink+0x9a8/0x11c0 [ 10.842429][ T237] ? rcu_is_watching+0x16/0xd0 [ 10.842432][ T237] ? lock_acquire+0x13c/0x160 [ 10.842433][ T237] ? rcu_is_watching+0x16/0xd0 [ 10.842435][ T237] ? rcu_is_watching+0x16/0xd0 [ 10.842437][ T237] ? trace_contention_end+0xb3/0x180 [ 10.842441][ T237] ? __mutex_lock+0x1db/0x1ea0 [ 10.842443][ T237] ? __mutex_lock+0x9a3/0x1ea0 [ 10.842445][ T237] ? rtnl_newlink+0x9a8/0x11c0 [ 10.842448][ T237] ? ww_mutex_lock+0x160/0x160 [ 10.842450][ T237] ? nla_get_range_signed+0x3d0/0x3d0 [ 10.842455][ T237] ? __rtnl_newlink+0x3fa/0xa50 [ 10.842460][ T237] rtnl_newlink+0x9f1/0x11c0 [ 10.842465][ T237] ? rtnl_bridge_getlink+0x850/0x850 [ 10.842467][ T237] ? __lock_acquire+0x518/0xc20 [ 10.842471][ T237] ? lock_acquire.part.0+0xd4/0x280 [ 10.842473][ T237] ? find_held_lock+0x2b/0x80 [ 10.842475][ T237] ? rtnl_bridge_getlink+0x850/0x850 [ 10.842477][ T237] ? __lock_release.isra.0+0x69/0x1a0 [ 10.842481][ T237] ? rtnl_bridge_getlink+0x850/0x850 [ 10.842483][ T237] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.842486][ T237] ? rtnl_link_fill+0x920/0x920 [ 10.842487][ T237] ? __lock_acquire+0x518/0xc20 [ 10.842492][ T237] ? lock_acquire.part.0+0xd4/0x280 [ 10.842494][ T237] ? find_held_lock+0x2b/0x80 [ 10.842497][ T237] netlink_rcv_skb+0x14e/0x3a0 [ 10.842499][ T237] ? rtnl_link_fill+0x920/0x920 [ 10.842502][ T237] ? netlink_ack+0xcf0/0xcf0 [ 10.842508][ T237] ? netlink_deliver_tap+0xc5/0x330 [ 10.842510][ T237] ? netlink_deliver_tap+0x13c/0x330 [ 10.842514][ T237] netlink_unicast+0x486/0x750 [ 10.842518][ T237] ? netlink_attachskb+0x810/0x810 [ 10.842520][ T237] ? __lock_acquire+0x518/0xc20 [ 10.842525][ T237] netlink_sendmsg+0x735/0xc60 [ 10.842528][ T237] ? netlink_unicast+0x750/0x750 [ 10.842532][ T237] ? __might_fault+0x97/0x140 [ 10.842538][ T237] ____sys_sendmsg+0x415/0x880 [ 10.842540][ T237] ? copy_msghdr_from_user+0x279/0x420 [ 10.842542][ T237] ? get_timestamp.constprop.0+0x390/0x390 [ 10.842544][ T237] ? move_addr_to_kernel+0x40/0x40 [ 10.842551][ T237] ___sys_sendmsg+0x14e/0x1d0 [ 10.842554][ T237] ? copy_msghdr_from_user+0x420/0x420 [ 10.842570][ T237] __sys_sendmsg+0x12c/0x1d0 [ 10.842573][ T237] ? __sys_sendmsg_sock+0x20/0x20 [ 10.842580][ T237] ? rcu_is_watching+0x16/0xd0 [ 10.842583][ T237] do_syscall_64+0xff/0x530 [ 10.842586][ T237] ? exc_page_fault+0xee/0x100 [ 10.842589][ T237] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.842591][ T237] RIP: 0033:0x7fc4d0c0554e [ 10.842594][ T237] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 10.842596][ T237] RSP: 002b:00007ffe52a6a030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.842599][ T237] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc4d0c0554e [ 10.842601][ T237] RDX: 0000000000000000 RSI: 00007ffe52a6a0e0 RDI: 0000000000000005 [ 10.842602][ T237] RBP: 00007ffe52a6a040 R08: 0000000000000000 R09: 0000000000000000 [ 10.842602][ T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91103b [ 10.842603][ T237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe52a6a7a0 [ 10.842610][ T237] [ 10.884672][ T237] br1: port 1(veth1) entered disabled state [ 10.885079][ T237] veth1: entered allmulticast mode [ 10.886699][ T237] veth1: entered promiscuous mode [ 10.895689][ T237] ip (237) used greatest stack depth: 23336 bytes left [ 10.960698][ T240] br1: port 2(veth2) entered blocking state [ 10.961035][ T240] br1: port 2(veth2) entered disabled state [ 10.961334][ T240] veth2: entered allmulticast mode [ 10.962959][ T240] veth2: entered promiscuous mode [ 11.019498][ T242] br1: port 2(veth2) entered blocking state [ 11.020266][ T242] br1: port 2(veth2) entered forwarding state [ 11.020883][ T242] br1: port 1(veth1) entered blocking state [ 11.021206][ T242] br1: port 1(veth1) entered forwarding state [ 16.615453][ T276] GACT probability NOT on [ 16.615472][ T276] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.615475][ T276] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 276, name: modprobe [ 16.615476][ T276] preempt_count: 1, expected: 0 [ 16.615477][ T276] RCU nest depth: 0, expected: 0 [ 16.615479][ T276] locks held by modprobe/276: 4, last CPU#1: [ 16.615481][ T276] #0: ffffffff9d369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.615494][ T276] #1: ffffffff9d369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.615499][ T276] #2: ffffffff9d289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.615503][ T276] #3: ffffffff9d289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.615507][ T276] irq event stamp: 40220 [ 16.615508][ T276] hardirqs last enabled at (40219): [] __down_trylock_console_sem+0x86/0xa0 [ 16.615511][ T276] hardirqs last disabled at (40220): [] console_emit_next_record+0x3d4/0x4c0 [ 16.615513][ T276] softirqs last enabled at (38892): [] handle_softirqs+0x67c/0x900 [ 16.615516][ T276] softirqs last disabled at (38887): [] __irq_exit_rcu+0x145/0x1c0 [ 16.615518][ T276] Preemption disabled at: [ 16.615519][ T276] [] vprintk_emit+0x31b/0x3e0 [ 16.615524][ T276] CPU: 1 UID: 0 PID: 276 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.615528][ T276] Tainted: [W]=WARN [ 16.615529][ T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.615530][ T276] Call Trace: [ 16.615532][ T276] [ 16.615534][ T276] dump_stack_lvl+0x6f/0xa0 [ 16.615539][ T276] ? vprintk_emit+0x31b/0x3e0 [ 16.615542][ T276] __might_resched.cold+0x1fe/0x2c1 [ 16.615546][ T276] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.615550][ T276] ? __kmalloc_noprof+0xdb/0x760 [ 16.615555][ T276] __kmalloc_noprof+0x443/0x760 [ 16.615557][ T276] ? alloc_buf.isra.0+0x4b/0x260 [ 16.615563][ T276] ? do_raw_spin_unlock+0x59/0x250 [ 16.615566][ T276] alloc_buf.isra.0+0x4b/0x260 [ 16.615569][ T276] put_chars+0x1e1/0x2f0 [ 16.615571][ T276] ? desc_read_finalized_seq+0x79/0x120 [ 16.615573][ T276] ? __send_to_port+0x420/0x420 [ 16.615576][ T276] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.615580][ T276] ? validate_chain+0x38b/0xc20 [ 16.615584][ T276] hvc_console_print+0x292/0x780 [ 16.615586][ T276] ? __lock_acquire+0x518/0xc20 [ 16.615588][ T276] ? __lock_acquire+0x518/0xc20 [ 16.615593][ T276] ? hvc_write+0x3a0/0x3a0 [ 16.615594][ T276] ? console_emit_next_record+0x1df/0x4c0 [ 16.615597][ T276] ? rcu_is_watching+0x16/0xd0 [ 16.615600][ T276] ? lock_acquire+0x13c/0x160 [ 16.615604][ T276] console_emit_next_record+0x22f/0x4c0 [ 16.615608][ T276] ? devkmsg_read+0x4b0/0x4b0 [ 16.615610][ T276] ? console_flush_one_record+0x106/0x710 [ 16.615613][ T276] ? rcu_is_watching+0x16/0xd0 [ 16.615615][ T276] ? lock_acquire+0x13c/0x160 [ 16.615619][ T276] console_flush_one_record+0x46f/0x710 [ 16.615624][ T276] ? console_emit_next_record+0x4c0/0x4c0 [ 16.615625][ T276] ? __lock_acquire+0x518/0xc20 [ 16.615631][ T276] console_unlock+0xee/0x1f0 [ 16.615633][ T276] ? console_flush_one_record+0x710/0x710 [ 16.615635][ T276] ? rcu_is_watching+0x16/0xd0 [ 16.615637][ T276] ? lock_acquire+0x60/0x160 [ 16.615641][ T276] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.615643][ T276] ? vprintk_emit+0x320/0x3e0 [ 16.615646][ T276] vprintk_emit+0x37c/0x3e0 [ 16.615650][ T276] ? wake_up_klogd_work_func+0x90/0x90 [ 16.615656][ T276] ? llc_exit+0x3e0/0x3e0 [llc] [ 16.615660][ T276] _printk+0xc7/0x100 [ 16.615663][ T276] ? snapshot_read.cold+0x21/0x21 [ 16.615670][ T276] ? do_one_initcall+0x113/0x4f0 [ 16.615673][ T276] gact_init_module+0x15/0x1000 [act_gact] [ 16.615675][ T276] do_one_initcall+0x124/0x4f0 [ 16.615678][ T276] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 16.615683][ T276] ? do_init_module+0xae/0x8a0 [ 16.615687][ T276] ? kasan_unpoison+0x44/0x70 [ 16.615691][ T276] do_init_module+0x2ad/0x8a0 [ 16.615695][ T276] ? lockdep_hardirqs_on+0x91/0x130 [ 16.615700][ T276] ? free_module+0x470/0x470 [ 16.615703][ T276] ? kfree+0x123/0x590 [ 16.615707][ T276] load_module+0x1424/0x1bb0 [ 16.615715][ T276] ? layout_and_allocate.isra.0+0x680/0x680 [ 16.615719][ T276] ? __ia32_sys_fsconfig+0x180/0x180 [ 16.615721][ T276] ? ovl_real_file+0x172/0x1e0 [ 16.615725][ T276] ? backing_file_read_iter+0x541/0x790 [ 16.615728][ T276] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.615732][ T276] init_module_from_file+0x11f/0x1a0 [ 16.615736][ T276] ? __do_sys_init_module+0x220/0x220 [ 16.615744][ T276] ? __rwlock_init+0x150/0x150 [ 16.615748][ T276] ? do_raw_spin_unlock+0x59/0x250 [ 16.615751][ T276] idempotent_init_module+0x37b/0x7c0 [ 16.615757][ T276] ? init_module_from_file+0x1a0/0x1a0 [ 16.615764][ T276] ? rcu_is_watching+0x16/0xd0 [ 16.615767][ T276] ? cap_capable+0x1d7/0x3d0 [ 16.615773][ T276] __x64_sys_finit_module+0xdf/0x190 [ 16.615776][ T276] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 16.615780][ T276] do_syscall_64+0xff/0x530 [ 16.615781][ T276] ? exc_page_fault+0xee/0x100 [ 16.615785][ T276] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.615787][ T276] RIP: 0033:0x7fc2f199437d [ 16.615791][ T276] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 16.615792][ T276] RSP: 002b:00007ffd7b893878 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 16.615795][ T276] RAX: ffffffffffffffda RBX: 00005637456ee810 RCX: 00007fc2f199437d [ 16.615796][ T276] RDX: 0000000000000000 RSI: 0000563709c22ffd RDI: 0000000000000000 [ 16.615797][ T276] RBP: 00007ffd7b893910 R08: 0000000000000000 R09: 0000000000000000 [ 16.615798][ T276] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563709c22ffd [ 16.615799][ T276] R13: 00005637456ee960 R14: 0000000000040000 R15: 0000000000000000 [ 16.615807][ T276] [ 21.748243][ T609] br1: port 2(veth2) entered disabled state [ 21.748263][ T609] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.748265][ T609] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 609, name: ip [ 21.748267][ T609] preempt_count: 202, expected: 0 [ 21.748268][ T609] RCU nest depth: 0, expected: 0 [ 21.748269][ T609] locks held by ip/609: 6, last CPU#3: [ 21.748271][ T609] #0: ffffffff9dad2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 21.748283][ T609] #1: ff1100000cebae58 (&br->lock){+...}-{3:3}, at: br_stp_disable_bridge+0x27/0x180 [bridge] [ 21.748299][ T609] #2: ffffffff9d369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.748305][ T609] #3: ffffffff9d369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.748309][ T609] #4: ffffffff9d289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.748312][ T609] #5: ffffffff9d289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 21.748316][ T609] irq event stamp: 20271 [ 21.748317][ T609] hardirqs last enabled at (20270): [] __down_trylock_console_sem+0x86/0xa0 [ 21.748320][ T609] hardirqs last disabled at (20271): [] console_emit_next_record+0x3d4/0x4c0 [ 21.748322][ T609] softirqs last enabled at (20264): [] dev_deactivate_many+0x7ba/0xc80 [ 21.748325][ T609] softirqs last disabled at (20266): [] br_stp_disable_bridge+0x27/0x180 [bridge] [ 21.748332][ T609] Preemption disabled at: [ 21.748333][ T609] [<0000000000000000>] 0x0 [ 21.748339][ T609] CPU: 3 UID: 0 PID: 609 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.748343][ T609] Tainted: [W]=WARN [ 21.748344][ T609] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.748346][ T609] Call Trace: [ 21.748347][ T609] [ 21.748349][ T609] dump_stack_lvl+0x6f/0xa0 [ 21.748355][ T609] __might_resched.cold+0x1fe/0x2c1 [ 21.748360][ T609] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.748364][ T609] ? __kmalloc_noprof+0xdb/0x760 [ 21.748369][ T609] __kmalloc_noprof+0x443/0x760 [ 21.748372][ T609] ? alloc_buf.isra.0+0x4b/0x260 [ 21.748377][ T609] ? do_raw_spin_unlock+0x59/0x250 [ 21.748380][ T609] alloc_buf.isra.0+0x4b/0x260 [ 21.748383][ T609] put_chars+0x1e1/0x2f0 [ 21.748385][ T609] ? desc_read_finalized_seq+0x79/0x120 [ 21.748388][ T609] ? __send_to_port+0x420/0x420 [ 21.748391][ T609] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.748394][ T609] ? validate_chain+0x38b/0xc20 [ 21.748399][ T609] hvc_console_print+0x292/0x780 [ 21.748401][ T609] ? __lock_acquire+0x518/0xc20 [ 21.748403][ T609] ? __lock_acquire+0x518/0xc20 [ 21.748408][ T609] ? hvc_write+0x3a0/0x3a0 [ 21.748409][ T609] ? console_emit_next_record+0x1df/0x4c0 [ 21.748412][ T609] ? rcu_is_watching+0x16/0xd0 [ 21.748415][ T609] ? lock_acquire+0x13c/0x160 [ 21.748419][ T609] console_emit_next_record+0x22f/0x4c0 [ 21.748423][ T609] ? devkmsg_read+0x4b0/0x4b0 [ 21.748425][ T609] ? console_flush_one_record+0x106/0x710 [ 21.748428][ T609] ? rcu_is_watching+0x16/0xd0 [ 21.748430][ T609] ? lock_acquire+0x13c/0x160 [ 21.748434][ T609] console_flush_one_record+0x46f/0x710 [ 21.748438][ T609] ? console_emit_next_record+0x4c0/0x4c0 [ 21.748440][ T609] ? __lock_acquire+0x518/0xc20 [ 21.748446][ T609] console_unlock+0xee/0x1f0 [ 21.748448][ T609] ? console_flush_one_record+0x710/0x710 [ 21.748450][ T609] ? rcu_is_watching+0x16/0xd0 [ 21.748453][ T609] ? lock_acquire+0x60/0x160 [ 21.748456][ T609] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.748458][ T609] ? vprintk_emit+0x320/0x3e0 [ 21.748462][ T609] vprintk_emit+0x37c/0x3e0 [ 21.748465][ T609] ? wake_up_klogd_work_func+0x90/0x90 [ 21.748469][ T609] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.748471][ T609] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.748475][ T609] _printk+0xc7/0x100 [ 21.748478][ T609] ? snapshot_read.cold+0x21/0x21 [ 21.748486][ T609] br_set_state+0x22f/0x430 [bridge] [ 21.748497][ T609] br_stp_disable_port+0x11f/0x390 [bridge] [ 21.748506][ T609] br_stp_disable_bridge+0xb9/0x180 [bridge] [ 21.748514][ T609] br_dev_stop+0x28/0x1a0 [bridge] [ 21.748523][ T609] ? rtnl_is_locked+0x15/0x20 [ 21.748526][ T609] __dev_close_many+0x1c8/0x530 [ 21.748530][ T609] ? netif_open+0x120/0x120 [ 21.748532][ T609] ? __lock_release.isra.0+0x69/0x1a0 [ 21.748534][ T609] ? mark_held_locks+0x40/0x70 [ 21.748538][ T609] __dev_change_flags+0x288/0x660 [ 21.748542][ T609] ? netif_set_allmulti+0x250/0x250 [ 21.748545][ T609] ? __kernel_text_address+0x12/0x30 [ 21.748547][ T609] ? write_profile+0xf0/0xf0 [ 21.748549][ T609] ? unwind_get_return_address+0x67/0xd0 [ 21.748554][ T609] netif_change_flags+0x87/0x190 [ 21.748558][ T609] do_setlink.isra.0+0x1cc3/0x2750 [ 21.748562][ T609] ? stack_trace_save+0x93/0xc0 [ 21.748564][ T609] ? rtnl_link_get_size+0x350/0x350 [ 21.748565][ T609] ? rcu_read_lock_any_held+0x66/0x90 [ 21.748567][ T609] ? stack_depot_save_flags+0x38e/0x790 [ 21.748570][ T609] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.748573][ T609] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.748575][ T609] ? validate_chain+0x38b/0xc20 [ 21.748577][ T609] ? kasan_save_stack+0x3d/0x50 [ 21.748580][ T609] ? kasan_save_stack+0x2f/0x50 [ 21.748582][ T609] ? kasan_save_track+0x14/0x30 [ 21.748585][ T609] ? __lock_acquire+0x518/0xc20 [ 21.748586][ T609] ? netlink_seq_next+0x4e/0x60 [ 21.748589][ T609] ? ___sys_sendmsg+0xb0/0x1d0 [ 21.748594][ T609] ? lock_acquire.part.0+0xd4/0x280 [ 21.748596][ T609] ? rtnl_newlink+0x9a8/0x11c0 [ 21.748598][ T609] ? rcu_is_watching+0x16/0xd0 [ 21.748601][ T609] ? lock_acquire+0x13c/0x160 [ 21.748603][ T609] ? rcu_is_watching+0x16/0xd0 [ 21.748605][ T609] ? rcu_is_watching+0x16/0xd0 [ 21.748607][ T609] ? trace_contention_end+0xb3/0x180 [ 21.748611][ T609] ? __mutex_lock+0x1db/0x1ea0 [ 21.748614][ T609] ? __mutex_lock+0x9a3/0x1ea0 [ 21.748616][ T609] ? rtnl_newlink+0x9a8/0x11c0 [ 21.748619][ T609] ? ww_mutex_lock+0x160/0x160 [ 21.748625][ T609] ? __rtnl_newlink+0x3fa/0xa50 [ 21.748630][ T609] rtnl_newlink+0x9f1/0x11c0 [ 21.748635][ T609] ? rtnl_bridge_getlink+0x850/0x850 [ 21.748637][ T609] ? __lock_acquire+0x518/0xc20 [ 21.748642][ T609] ? lock_acquire.part.0+0xd4/0x280 [ 21.748644][ T609] ? find_held_lock+0x2b/0x80 [ 21.748646][ T609] ? rtnl_bridge_getlink+0x850/0x850 [ 21.748647][ T609] ? __lock_release.isra.0+0x69/0x1a0 [ 21.748651][ T609] ? rtnl_bridge_getlink+0x850/0x850 [ 21.748653][ T609] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 21.748656][ T609] ? rtnl_link_fill+0x920/0x920 [ 21.748658][ T609] ? __lock_acquire+0x518/0xc20 [ 21.748662][ T609] ? lock_acquire.part.0+0xd4/0x280 [ 21.748664][ T609] ? find_held_lock+0x2b/0x80 [ 21.748668][ T609] netlink_rcv_skb+0x14e/0x3a0 [ 21.748670][ T609] ? rtnl_link_fill+0x920/0x920 [ 21.748672][ T609] ? netlink_ack+0xcf0/0xcf0 [ 21.748679][ T609] ? netlink_deliver_tap+0xc5/0x330 [ 21.748680][ T609] ? netlink_deliver_tap+0x13c/0x330 [ 21.748684][ T609] netlink_unicast+0x486/0x750 [ 21.748688][ T609] ? netlink_attachskb+0x810/0x810 [ 21.748691][ T609] ? __lock_acquire+0x518/0xc20 [ 21.748695][ T609] netlink_sendmsg+0x735/0xc60 [ 21.748699][ T609] ? netlink_unicast+0x750/0x750 [ 21.748703][ T609] ? __might_fault+0x97/0x140 [ 21.748709][ T609] ____sys_sendmsg+0x415/0x880 [ 21.748711][ T609] ? copy_msghdr_from_user+0x279/0x420 [ 21.748713][ T609] ? get_timestamp.constprop.0+0x390/0x390 [ 21.748715][ T609] ? move_addr_to_kernel+0x40/0x40 [ 21.748722][ T609] ___sys_sendmsg+0x14e/0x1d0 [ 21.748725][ T609] ? copy_msghdr_from_user+0x420/0x420 [ 21.748741][ T609] __sys_sendmsg+0x12c/0x1d0 [ 21.748744][ T609] ? __sys_sendmsg_sock+0x20/0x20 [ 21.748750][ T609] ? rcu_is_watching+0x16/0xd0 [ 21.748758][ T609] do_syscall_64+0xff/0x530 [ 21.748760][ T609] ? exc_page_fault+0xee/0x100 [ 21.748764][ T609] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 21.748767][ T609] RIP: 0033:0x7f18cad3e54e [ 21.748769][ T609] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 21.748771][ T609] RSP: 002b:00007ffca03d8cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.748774][ T609] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f18cad3e54e [ 21.748775][ T609] RDX: 0000000000000000 RSI: 00007ffca03d8d60 RDI: 0000000000000005 [ 21.748776][ T609] RBP: 00007ffca03d8cc0 R08: 0000000000000000 R09: 0000000000000000 [ 21.748777][ T609] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911046 [ 21.748778][ T609] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca03d9420 [ 21.748785][ T609] [ 21.789248][ T609] br1: port 1(veth1) entered disabled state [ 21.799650][ T609] ip (609) used greatest stack depth: 23144 bytes left [ 21.846956][ T611] veth2: left allmulticast mode [ 21.847290][ T611] veth2: left promiscuous mode [ 21.847692][ T611] br1: port 2(veth2) entered disabled state [ 21.923415][ T613] veth1: left allmulticast mode [ 21.923728][ T613] veth1: left promiscuous mode [ 21.924145][ T613] br1: port 1(veth1) entered disabled state