[ 10.471556][ T225] 8021q: 802.1Q VLAN Support v1.8 [ 10.471576][ T225] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.471578][ T225] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 225, name: modprobe [ 10.471580][ T225] preempt_count: 1, expected: 0 [ 10.471580][ T225] RCU nest depth: 0, expected: 0 [ 10.471582][ T225] locks held by modprobe/225: 4, last CPU#3: [ 10.471584][ T225] #0: ffffffff8b369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.471597][ T225] #1: ffffffff8b369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.471601][ T225] #2: ffffffff8b289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.471605][ T225] #3: ffffffff8b289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.471609][ T225] irq event stamp: 33406 [ 10.471610][ T225] hardirqs last enabled at (33405): [] __down_trylock_console_sem+0x86/0xa0 [ 10.471613][ T225] hardirqs last disabled at (33406): [] console_emit_next_record+0x3d4/0x4c0 [ 10.471615][ T225] softirqs last enabled at (30058): [] handle_softirqs+0x67c/0x900 [ 10.471618][ T225] softirqs last disabled at (30053): [] __irq_exit_rcu+0x145/0x1c0 [ 10.471620][ T225] Preemption disabled at: [ 10.471621][ T225] [] vprintk_emit+0x31b/0x3e0 [ 10.471627][ T225] CPU: 3 UID: 0 PID: 225 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.471630][ T225] Tainted: [W]=WARN [ 10.471631][ T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.471633][ T225] Call Trace: [ 10.471635][ T225] [ 10.471636][ T225] dump_stack_lvl+0x6f/0xa0 [ 10.471642][ T225] ? vprintk_emit+0x31b/0x3e0 [ 10.471644][ T225] __might_resched.cold+0x1fe/0x2c1 [ 10.471648][ T225] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.471652][ T225] ? __kmalloc_noprof+0xdb/0x760 [ 10.471658][ T225] __kmalloc_noprof+0x443/0x760 [ 10.471660][ T225] ? alloc_buf.isra.0+0x4b/0x260 [ 10.471666][ T225] ? do_raw_spin_unlock+0x59/0x250 [ 10.471669][ T225] alloc_buf.isra.0+0x4b/0x260 [ 10.471672][ T225] put_chars+0x1e1/0x2f0 [ 10.471675][ T225] ? __send_to_port+0x420/0x420 [ 10.471676][ T225] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.471681][ T225] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.471683][ T225] ? validate_chain+0x38b/0xc20 [ 10.471688][ T225] hvc_console_print+0x292/0x780 [ 10.471691][ T225] ? __lock_acquire+0x518/0xc20 [ 10.471695][ T225] ? hvc_write+0x3a0/0x3a0 [ 10.471698][ T225] ? rcu_is_watching+0x16/0xd0 [ 10.471703][ T225] console_emit_next_record+0x22f/0x4c0 [ 10.471707][ T225] ? devkmsg_read+0x4b0/0x4b0 [ 10.471708][ T225] ? console_flush_one_record+0x106/0x710 [ 10.471712][ T225] ? rcu_is_watching+0x16/0xd0 [ 10.471714][ T225] ? lock_acquire+0x13c/0x160 [ 10.471718][ T225] console_flush_one_record+0x46f/0x710 [ 10.471722][ T225] ? console_emit_next_record+0x4c0/0x4c0 [ 10.471724][ T225] ? __lock_acquire+0x518/0xc20 [ 10.471729][ T225] console_unlock+0xee/0x1f0 [ 10.471731][ T225] ? console_flush_one_record+0x710/0x710 [ 10.471733][ T225] ? rcu_is_watching+0x16/0xd0 [ 10.471735][ T225] ? lock_acquire+0x60/0x160 [ 10.471739][ T225] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.471741][ T225] ? vprintk_emit+0x320/0x3e0 [ 10.471744][ T225] vprintk_emit+0x37c/0x3e0 [ 10.471748][ T225] ? wake_up_klogd_work_func+0x90/0x90 [ 10.471753][ T225] ? vlan_netlink_fini+0x960/0x960 [8021q] [ 10.471757][ T225] _printk+0xc7/0x100 [ 10.471761][ T225] ? snapshot_read.cold+0x21/0x21 [ 10.471767][ T225] ? do_one_initcall+0x113/0x4f0 [ 10.471770][ T225] vlan_proto_init+0x24/0x90 [8021q] [ 10.471773][ T225] do_one_initcall+0x124/0x4f0 [ 10.471776][ T225] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 10.471780][ T225] ? do_init_module+0xae/0x8a0 [ 10.471783][ T225] ? kasan_unpoison+0x44/0x70 [ 10.471788][ T225] do_init_module+0x2ad/0x8a0 [ 10.471792][ T225] ? lockdep_hardirqs_on+0x91/0x130 [ 10.471796][ T225] ? free_module+0x470/0x470 [ 10.471799][ T225] ? kfree+0x123/0x590 [ 10.471803][ T225] load_module+0x1424/0x1bb0 [ 10.471810][ T225] ? layout_and_allocate.isra.0+0x680/0x680 [ 10.471814][ T225] ? __ia32_sys_fsconfig+0x180/0x180 [ 10.471817][ T225] ? ovl_real_file+0x172/0x1e0 [ 10.471821][ T225] ? backing_file_read_iter+0x541/0x790 [ 10.471824][ T225] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.471828][ T225] init_module_from_file+0x11f/0x1a0 [ 10.471831][ T225] ? __do_sys_init_module+0x220/0x220 [ 10.471839][ T225] ? __rwlock_init+0x150/0x150 [ 10.471843][ T225] ? do_raw_spin_unlock+0x59/0x250 [ 10.471846][ T225] idempotent_init_module+0x37b/0x7c0 [ 10.471849][ T225] ? init_module_from_file+0x1a0/0x1a0 [ 10.471855][ T225] ? rcu_is_watching+0x16/0xd0 [ 10.471858][ T225] ? cap_capable+0x1d7/0x3d0 [ 10.471864][ T225] __x64_sys_finit_module+0xdf/0x190 [ 10.471866][ T225] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.471870][ T225] do_syscall_64+0xff/0x530 [ 10.471871][ T225] ? exc_page_fault+0xee/0x100 [ 10.471874][ T225] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.471876][ T225] RIP: 0033:0x7fd1221a537d [ 10.471880][ T225] 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 [ 10.471881][ T225] RSP: 002b:00007ffc6c9f2678 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.471884][ T225] RAX: ffffffffffffffda RBX: 00005613963da810 RCX: 00007fd1221a537d [ 10.471886][ T225] RDX: 0000000000000000 RSI: 000056138461effd RDI: 0000000000000000 [ 10.471886][ T225] RBP: 00007ffc6c9f2710 R08: 0000000000000000 R09: 0000000000000000 [ 10.471887][ T225] R10: 0000000000000000 R11: 0000000000000246 R12: 000056138461effd [ 10.471888][ T225] R13: 00005613963da960 R14: 0000000000040000 R15: 0000000000000000 [ 10.471895][ T225] [ 11.549858][ T257] br1: port 1(veth1) entered blocking state [ 11.550046][ T257] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.550050][ T257] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 257, name: ip [ 11.550052][ T257] preempt_count: 1, expected: 0 [ 11.550053][ T257] RCU nest depth: 0, expected: 0 [ 11.550055][ T257] locks held by ip/257: 5, last CPU#2: [ 11.550058][ T257] #0: ffffffff8bad2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 11.550073][ T257] #1: ffffffff8b369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.550082][ T257] #2: ffffffff8b369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.550087][ T257] #3: ffffffff8b289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.550093][ T257] #4: ffffffff8b289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.550099][ T257] irq event stamp: 13018 [ 11.550100][ T257] hardirqs last enabled at (13017): [] __down_trylock_console_sem+0x86/0xa0 [ 11.550104][ T257] hardirqs last disabled at (13018): [] console_emit_next_record+0x3d4/0x4c0 [ 11.550106][ T257] softirqs last enabled at (12930): [] __alloc_skb+0x4c2/0x5f0 [ 11.550110][ T257] softirqs last disabled at (12928): [] __alloc_skb+0x4c2/0x5f0 [ 11.550114][ T257] Preemption disabled at: [ 11.550115][ T257] [] vprintk_emit+0x31b/0x3e0 [ 11.550122][ T257] CPU: 2 UID: 0 PID: 257 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.550127][ T257] Tainted: [W]=WARN [ 11.550128][ T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.550130][ T257] Call Trace: [ 11.550132][ T257] [ 11.550134][ T257] dump_stack_lvl+0x6f/0xa0 [ 11.550142][ T257] ? vprintk_emit+0x31b/0x3e0 [ 11.550145][ T257] __might_resched.cold+0x1fe/0x2c1 [ 11.550151][ T257] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.550157][ T257] ? __kmalloc_noprof+0xdb/0x760 [ 11.550164][ T257] __kmalloc_noprof+0x443/0x760 [ 11.550168][ T257] ? alloc_buf.isra.0+0x4b/0x260 [ 11.550176][ T257] ? do_raw_spin_unlock+0x59/0x250 [ 11.550179][ T257] alloc_buf.isra.0+0x4b/0x260 [ 11.550185][ T257] put_chars+0x1e1/0x2f0 [ 11.550189][ T257] ? __send_to_port+0x420/0x420 [ 11.550196][ T257] ? validate_chain+0x34a/0xc20 [ 11.550202][ T257] hvc_console_print+0x292/0x780 [ 11.550206][ T257] ? mark_usage+0x61/0x170 [ 11.550209][ T257] ? __lock_acquire+0x518/0xc20 [ 11.550211][ T257] ? __lock_acquire+0x518/0xc20 [ 11.550217][ T257] ? hvc_write+0x3a0/0x3a0 [ 11.550220][ T257] ? console_emit_next_record+0x1df/0x4c0 [ 11.550225][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.550230][ T257] ? lock_acquire+0x13c/0x160 [ 11.550237][ T257] console_emit_next_record+0x22f/0x4c0 [ 11.550242][ T257] ? devkmsg_read+0x4b0/0x4b0 [ 11.550245][ T257] ? console_flush_one_record+0x106/0x710 [ 11.550250][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.550258][ T257] ? lock_acquire+0x13c/0x160 [ 11.550265][ T257] console_flush_one_record+0x46f/0x710 [ 11.550271][ T257] ? console_emit_next_record+0x4c0/0x4c0 [ 11.550274][ T257] ? __lock_acquire+0x518/0xc20 [ 11.550283][ T257] console_unlock+0xee/0x1f0 [ 11.550287][ T257] ? console_flush_one_record+0x710/0x710 [ 11.550290][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.550293][ T257] ? lock_acquire+0x60/0x160 [ 11.550300][ T257] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.550302][ T257] ? vprintk_emit+0x320/0x3e0 [ 11.550307][ T257] vprintk_emit+0x37c/0x3e0 [ 11.550313][ T257] ? wake_up_klogd_work_func+0x90/0x90 [ 11.550317][ T257] ? __lock_release.isra.0+0x69/0x1a0 [ 11.550319][ T257] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.550325][ T257] ? mark_held_locks+0x40/0x70 [ 11.550331][ T257] _printk+0xc7/0x100 [ 11.550336][ T257] ? snapshot_read.cold+0x21/0x21 [ 11.550342][ T257] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 11.550359][ T257] ? do_setlink.isra.0+0xa31/0x2750 [ 11.550361][ T257] ? rtnl_newlink+0x9f1/0x11c0 [ 11.550362][ T257] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.550370][ T257] br_set_state+0x22f/0x430 [bridge] [ 11.550386][ T257] br_init_port+0xc4/0x200 [bridge] [ 11.550400][ T257] new_nbp+0x39c/0x580 [bridge] [ 11.550415][ T257] br_add_if+0x212/0x1320 [bridge] [ 11.550427][ T257] ? is_bpf_text_address+0x72/0x110 [ 11.550432][ T257] ? kernel_text_address+0x149/0x170 [ 11.550436][ T257] ? __kernel_text_address+0x12/0x30 [ 11.550442][ T257] do_set_master+0x357/0x580 [ 11.550449][ T257] do_setlink.isra.0+0xa31/0x2750 [ 11.550455][ T257] ? stack_trace_save+0x93/0xc0 [ 11.550459][ T257] ? rtnl_link_get_size+0x350/0x350 [ 11.550461][ T257] ? rcu_read_lock_any_held+0x66/0x90 [ 11.550464][ T257] ? stack_depot_save_flags+0x38e/0x790 [ 11.550468][ T257] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.550472][ T257] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.550474][ T257] ? validate_chain+0x38b/0xc20 [ 11.550478][ T257] ? kasan_save_stack+0x3d/0x50 [ 11.550482][ T257] ? kasan_save_stack+0x2f/0x50 [ 11.550484][ T257] ? kasan_save_track+0x14/0x30 [ 11.550488][ T257] ? __lock_acquire+0x518/0xc20 [ 11.550491][ T257] ? netlink_seq_next+0xe/0x60 [ 11.550495][ T257] ? ___sys_sendmsg+0xb0/0x1d0 [ 11.550501][ T257] ? lock_acquire.part.0+0xd4/0x280 [ 11.550504][ T257] ? rtnl_newlink+0x9a8/0x11c0 [ 11.550508][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.550511][ T257] ? lock_acquire+0x13c/0x160 [ 11.550514][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.550516][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.550519][ T257] ? trace_contention_end+0xb3/0x180 [ 11.550525][ T257] ? __mutex_lock+0x1db/0x1ea0 [ 11.550527][ T257] ? __mutex_lock+0x9a3/0x1ea0 [ 11.550530][ T257] ? rtnl_newlink+0x9a8/0x11c0 [ 11.550536][ T257] ? ww_mutex_lock+0x160/0x160 [ 11.550538][ T257] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.550546][ T257] ? __rtnl_newlink+0x3fa/0xa50 [ 11.550555][ T257] rtnl_newlink+0x9f1/0x11c0 [ 11.550564][ T257] ? rtnl_bridge_getlink+0x850/0x850 [ 11.550567][ T257] ? __lock_acquire+0x518/0xc20 [ 11.550574][ T257] ? lock_acquire.part.0+0xd4/0x280 [ 11.550577][ T257] ? find_held_lock+0x2b/0x80 [ 11.550580][ T257] ? rtnl_bridge_getlink+0x850/0x850 [ 11.550583][ T257] ? __lock_release.isra.0+0x69/0x1a0 [ 11.550589][ T257] ? rtnl_bridge_getlink+0x850/0x850 [ 11.550592][ T257] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.550597][ T257] ? rtnl_link_fill+0x920/0x920 [ 11.550599][ T257] ? __lock_acquire+0x518/0xc20 [ 11.550606][ T257] ? lock_acquire.part.0+0xd4/0x280 [ 11.550609][ T257] ? find_held_lock+0x2b/0x80 [ 11.550615][ T257] netlink_rcv_skb+0x14e/0x3a0 [ 11.550617][ T257] ? rtnl_link_fill+0x920/0x920 [ 11.550622][ T257] ? netlink_ack+0xcf0/0xcf0 [ 11.550633][ T257] ? netlink_deliver_tap+0xc5/0x330 [ 11.550635][ T257] ? netlink_deliver_tap+0x13c/0x330 [ 11.550643][ T257] netlink_unicast+0x486/0x750 [ 11.550649][ T257] ? netlink_attachskb+0x810/0x810 [ 11.550654][ T257] ? __lock_acquire+0x518/0xc20 [ 11.550661][ T257] netlink_sendmsg+0x735/0xc60 [ 11.550667][ T257] ? netlink_unicast+0x750/0x750 [ 11.550674][ T257] ? __might_fault+0x97/0x140 [ 11.550682][ T257] ____sys_sendmsg+0x415/0x880 [ 11.550686][ T257] ? copy_msghdr_from_user+0x279/0x420 [ 11.550689][ T257] ? get_timestamp.constprop.0+0x390/0x390 [ 11.550692][ T257] ? move_addr_to_kernel+0x40/0x40 [ 11.550705][ T257] ___sys_sendmsg+0x14e/0x1d0 [ 11.550709][ T257] ? copy_msghdr_from_user+0x420/0x420 [ 11.550739][ T257] __sys_sendmsg+0x12c/0x1d0 [ 11.550743][ T257] ? __sys_sendmsg_sock+0x20/0x20 [ 11.550754][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.550760][ T257] do_syscall_64+0xff/0x530 [ 11.550763][ T257] ? exc_page_fault+0xee/0x100 [ 11.550768][ T257] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.550771][ T257] RIP: 0033:0x7fbbc483354e [ 11.550775][ T257] 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 [ 11.550777][ T257] RSP: 002b:00007fffdd4861e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.550781][ T257] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbbc483354e [ 11.550783][ T257] RDX: 0000000000000000 RSI: 00007fffdd486290 RDI: 0000000000000005 [ 11.550784][ T257] RBP: 00007fffdd4861f0 R08: 0000000000000000 R09: 0000000000000000 [ 11.550786][ T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918407 [ 11.550787][ T257] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdd486950 [ 11.550800][ T257] [ 11.624092][ T257] br1: port 1(veth1) entered disabled state [ 11.624729][ T257] veth1: entered allmulticast mode [ 11.627205][ T257] veth1: entered promiscuous mode [ 11.636989][ T257] ip (257) used greatest stack depth: 23336 bytes left [ 11.662029][ T258] br1: port 2(veth2) entered blocking state [ 11.662333][ T258] br1: port 2(veth2) entered disabled state [ 11.662625][ T258] veth2: entered allmulticast mode [ 11.664095][ T258] veth2: entered promiscuous mode [ 11.704047][ T92] br1: port 1(veth1) entered blocking state [ 11.704428][ T92] br1: port 1(veth1) entered forwarding state [ 11.739280][ T204] br1: port 2(veth2) entered blocking state [ 11.739580][ T204] br1: port 2(veth2) entered forwarding state [ 19.655767][ T325] veth2: left allmulticast mode [ 19.655788][ T325] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.655790][ T325] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 325, name: ip [ 19.655792][ T325] preempt_count: 1, expected: 0 [ 19.655793][ T325] RCU nest depth: 0, expected: 0 [ 19.655794][ T325] locks held by ip/325: 5, last CPU#0: [ 19.655796][ T325] #0: ffffffff8bad2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 19.655807][ T325] #1: ffffffff8b369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.655814][ T325] #2: ffffffff8b369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.655818][ T325] #3: ffffffff8b289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.655822][ T325] #4: ffffffff8b289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 19.655826][ T325] irq event stamp: 12674 [ 19.655827][ T325] hardirqs last enabled at (12673): [] __down_trylock_console_sem+0x86/0xa0 [ 19.655829][ T325] hardirqs last disabled at (12674): [] console_emit_next_record+0x3d4/0x4c0 [ 19.655831][ T325] softirqs last enabled at (12642): [] __alloc_skb+0x4c2/0x5f0 [ 19.655834][ T325] softirqs last disabled at (12640): [] __alloc_skb+0x4c2/0x5f0 [ 19.655837][ T325] Preemption disabled at: [ 19.655837][ T325] [] vprintk_emit+0x31b/0x3e0 [ 19.655844][ T325] CPU: 0 UID: 0 PID: 325 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.655847][ T325] Tainted: [W]=WARN [ 19.655848][ T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.655850][ T325] Call Trace: [ 19.655851][ T325] [ 19.655853][ T325] dump_stack_lvl+0x6f/0xa0 [ 19.655859][ T325] ? vprintk_emit+0x31b/0x3e0 [ 19.655861][ T325] __might_resched.cold+0x1fe/0x2c1 [ 19.655866][ T325] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.655870][ T325] ? __kmalloc_noprof+0xdb/0x760 [ 19.655876][ T325] __kmalloc_noprof+0x443/0x760 [ 19.655878][ T325] ? alloc_buf.isra.0+0x4b/0x260 [ 19.655884][ T325] ? do_raw_spin_unlock+0x59/0x250 [ 19.655887][ T325] alloc_buf.isra.0+0x4b/0x260 [ 19.655890][ T325] put_chars+0x1e1/0x2f0 [ 19.655893][ T325] ? __send_to_port+0x420/0x420 [ 19.655894][ T325] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.655899][ T325] ? validate_chain+0x38b/0xc20 [ 19.655904][ T325] hvc_console_print+0x292/0x780 [ 19.655913][ T325] ? hvc_write+0x3a0/0x3a0 [ 19.655916][ T325] ? rcu_is_watching+0x16/0xd0 [ 19.655918][ T325] ? lock_acquire+0x13c/0x160 [ 19.655922][ T325] console_emit_next_record+0x22f/0x4c0 [ 19.655926][ T325] ? devkmsg_read+0x4b0/0x4b0 [ 19.655928][ T325] ? console_flush_one_record+0x106/0x710 [ 19.655931][ T325] ? rcu_is_watching+0x16/0xd0 [ 19.655933][ T325] ? lock_acquire+0x13c/0x160 [ 19.655937][ T325] console_flush_one_record+0x46f/0x710 [ 19.655942][ T325] ? console_emit_next_record+0x4c0/0x4c0 [ 19.655944][ T325] ? __lock_acquire+0x518/0xc20 [ 19.655949][ T325] console_unlock+0xee/0x1f0 [ 19.655951][ T325] ? console_flush_one_record+0x710/0x710 [ 19.655953][ T325] ? rcu_is_watching+0x16/0xd0 [ 19.655956][ T325] ? lock_acquire+0x60/0x160 [ 19.655959][ T325] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.655961][ T325] ? vprintk_emit+0x320/0x3e0 [ 19.655964][ T325] vprintk_emit+0x37c/0x3e0 [ 19.655968][ T325] ? wake_up_klogd_work_func+0x90/0x90 [ 19.655970][ T325] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.655972][ T325] ? netlink_unicast+0x486/0x750 [ 19.655975][ T325] ? netlink_sendmsg+0x735/0xc60 [ 19.655976][ T325] ? ____sys_sendmsg+0x415/0x880 [ 19.655979][ T325] ? ___sys_sendmsg+0x14e/0x1d0 [ 19.655980][ T325] ? __sys_sendmsg+0x12c/0x1d0 [ 19.655982][ T325] ? do_syscall_64+0xff/0x530 [ 19.655987][ T325] _printk+0xc7/0x100 [ 19.655991][ T325] ? snapshot_read.cold+0x21/0x21 [ 19.655995][ T325] ? netdev_name+0x43/0x60 [ 19.655999][ T325] ? __netdev_printk+0x17f/0x1d0 [ 19.656002][ T325] netdev_info+0xe2/0x116 [ 19.656004][ T325] ? netdev_notice+0x120/0x120 [ 19.656008][ T325] ? rcu_is_watching+0x16/0xd0 [ 19.656011][ T325] ? __up_read+0x355/0x9e0 [ 19.656013][ T325] ? down_write_nested+0x200/0x200 [ 19.656015][ T325] ? __lock_release.isra.0+0x69/0x1a0 [ 19.656017][ T325] ? mutex_is_locked+0x1c/0x50 [ 19.656021][ T325] netif_set_allmulti.cold+0x7c/0x166 [ 19.656025][ T325] dev_set_allmulti+0xa2/0x150 [ 19.656029][ T325] del_nbp+0xb7/0xc10 [bridge] [ 19.656043][ T325] ? is_bpf_text_address+0x72/0x110 [ 19.656050][ T325] br_del_if+0xab/0x200 [bridge] [ 19.656058][ T325] ? rtnl_is_locked+0x15/0x20 [ 19.656061][ T325] do_set_master+0x15c/0x580 [ 19.656065][ T325] do_setlink.isra.0+0xa31/0x2750 [ 19.656069][ T325] ? stack_trace_save+0x93/0xc0 [ 19.656072][ T325] ? rtnl_link_get_size+0x350/0x350 [ 19.656074][ T325] ? rcu_read_lock_any_held+0x66/0x90 [ 19.656076][ T325] ? stack_depot_save_flags+0x38e/0x790 [ 19.656080][ T325] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.656082][ T325] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.656084][ T325] ? validate_chain+0x38b/0xc20 [ 19.656087][ T325] ? kasan_save_stack+0x3d/0x50 [ 19.656090][ T325] ? kasan_save_stack+0x2f/0x50 [ 19.656091][ T325] ? kasan_save_track+0x14/0x30 [ 19.656094][ T325] ? __lock_acquire+0x518/0xc20 [ 19.656096][ T325] ? netlink_seq_next+0xe/0x60 [ 19.656098][ T325] ? ___sys_sendmsg+0xb0/0x1d0 [ 19.656101][ T325] ? lock_acquire.part.0+0xd4/0x280 [ 19.656103][ T325] ? rtnl_newlink+0x9a8/0x11c0 [ 19.656106][ T325] ? rcu_is_watching+0x16/0xd0 [ 19.656108][ T325] ? lock_acquire+0x13c/0x160 [ 19.656110][ T325] ? rcu_is_watching+0x16/0xd0 [ 19.656112][ T325] ? rcu_is_watching+0x16/0xd0 [ 19.656114][ T325] ? trace_contention_end+0xb3/0x180 [ 19.656117][ T325] ? __mutex_lock+0x1db/0x1ea0 [ 19.656119][ T325] ? __mutex_lock+0x9a3/0x1ea0 [ 19.656122][ T325] ? rtnl_newlink+0x9a8/0x11c0 [ 19.656125][ T325] ? ww_mutex_lock+0x160/0x160 [ 19.656127][ T325] ? nla_get_range_signed+0x3d0/0x3d0 [ 19.656132][ T325] ? __rtnl_newlink+0x3fa/0xa50 [ 19.656137][ T325] rtnl_newlink+0x9f1/0x11c0 [ 19.656142][ T325] ? rtnl_bridge_getlink+0x850/0x850 [ 19.656144][ T325] ? __lock_acquire+0x518/0xc20 [ 19.656149][ T325] ? lock_acquire.part.0+0xd4/0x280 [ 19.656150][ T325] ? find_held_lock+0x2b/0x80 [ 19.656152][ T325] ? rtnl_bridge_getlink+0x850/0x850 [ 19.656154][ T325] ? __lock_release.isra.0+0x69/0x1a0 [ 19.656158][ T325] ? rtnl_bridge_getlink+0x850/0x850 [ 19.656160][ T325] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.656163][ T325] ? rtnl_link_fill+0x920/0x920 [ 19.656164][ T325] ? __lock_acquire+0x518/0xc20 [ 19.656169][ T325] ? lock_acquire.part.0+0xd4/0x280 [ 19.656171][ T325] ? find_held_lock+0x2b/0x80 [ 19.656174][ T325] netlink_rcv_skb+0x14e/0x3a0 [ 19.656176][ T325] ? rtnl_link_fill+0x920/0x920 [ 19.656179][ T325] ? netlink_ack+0xcf0/0xcf0 [ 19.656185][ T325] ? netlink_deliver_tap+0xc5/0x330 [ 19.656186][ T325] ? netlink_deliver_tap+0x13c/0x330 [ 19.656191][ T325] netlink_unicast+0x486/0x750 [ 19.656194][ T325] ? netlink_attachskb+0x810/0x810 [ 19.656197][ T325] ? __lock_acquire+0x518/0xc20 [ 19.656201][ T325] netlink_sendmsg+0x735/0xc60 [ 19.656205][ T325] ? netlink_unicast+0x750/0x750 [ 19.656209][ T325] ? __might_fault+0x97/0x140 [ 19.656214][ T325] ____sys_sendmsg+0x415/0x880 [ 19.656216][ T325] ? copy_msghdr_from_user+0x279/0x420 [ 19.656218][ T325] ? get_timestamp.constprop.0+0x390/0x390 [ 19.656220][ T325] ? move_addr_to_kernel+0x40/0x40 [ 19.656227][ T325] ___sys_sendmsg+0x14e/0x1d0 [ 19.656230][ T325] ? copy_msghdr_from_user+0x420/0x420 [ 19.656246][ T325] __sys_sendmsg+0x12c/0x1d0 [ 19.656248][ T325] ? __sys_sendmsg_sock+0x20/0x20 [ 19.656255][ T325] ? rcu_is_watching+0x16/0xd0 [ 19.656258][ T325] do_syscall_64+0xff/0x530 [ 19.656260][ T325] ? exc_page_fault+0xee/0x100 [ 19.656263][ T325] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.656265][ T325] RIP: 0033:0x7f9a4cd1f54e [ 19.656269][ T325] 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 [ 19.656271][ T325] RSP: 002b:00007ffefbb6f0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 19.656274][ T325] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9a4cd1f54e [ 19.656280][ T325] RDX: 0000000000000000 RSI: 00007ffefbb6f170 RDI: 0000000000000005 [ 19.656281][ T325] RBP: 00007ffefbb6f0d0 R08: 0000000000000000 R09: 0000000000000000 [ 19.656282][ T325] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91840f [ 19.656283][ T325] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefbb6f830 [ 19.656290][ T325] [ 19.699106][ T325] veth2: left promiscuous mode [ 19.699684][ T325] br1: port 2(veth2) entered disabled state [ 19.715885][ T325] ip (325) used greatest stack depth: 23208 bytes left [ 19.737637][ T326] veth1: left allmulticast mode [ 19.737922][ T326] veth1: left promiscuous mode [ 19.738263][ T326] br1: port 1(veth1) entered disabled state [ 21.787441][ T329] br1: port 1(veth1) entered blocking state [ 21.787465][ T329] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.787468][ T329] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 329, name: ip [ 21.787471][ T329] preempt_count: 1, expected: 0 [ 21.787472][ T329] RCU nest depth: 0, expected: 0 [ 21.787474][ T329] locks held by ip/329: 5, last CPU#3: [ 21.787477][ T329] #0: ffffffff8bad2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 21.787492][ T329] #1: ffffffff8b369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.787501][ T329] #2: ffffffff8b369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.787507][ T329] #3: ffffffff8b289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.787513][ T329] #4: ffffffff8b289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 21.787520][ T329] irq event stamp: 12658 [ 21.787521][ T329] hardirqs last enabled at (12657): [] __down_trylock_console_sem+0x86/0xa0 [ 21.787525][ T329] hardirqs last disabled at (12658): [] console_emit_next_record+0x3d4/0x4c0 [ 21.787528][ T329] softirqs last enabled at (12600): [] __alloc_skb+0x4c2/0x5f0 [ 21.787532][ T329] softirqs last disabled at (12598): [] __alloc_skb+0x4c2/0x5f0 [ 21.787536][ T329] Preemption disabled at: [ 21.787537][ T329] [] vprintk_emit+0x31b/0x3e0 [ 21.787545][ T329] CPU: 3 UID: 0 PID: 329 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.787550][ T329] Tainted: [W]=WARN [ 21.787551][ T329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.787553][ T329] Call Trace: [ 21.787555][ T329] [ 21.787557][ T329] dump_stack_lvl+0x6f/0xa0 [ 21.787565][ T329] ? vprintk_emit+0x31b/0x3e0 [ 21.787568][ T329] __might_resched.cold+0x1fe/0x2c1 [ 21.787575][ T329] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.787581][ T329] ? __kmalloc_noprof+0xdb/0x760 [ 21.787589][ T329] __kmalloc_noprof+0x443/0x760 [ 21.787592][ T329] ? alloc_buf.isra.0+0x4b/0x260 [ 21.787601][ T329] ? do_raw_spin_unlock+0x59/0x250 [ 21.787605][ T329] alloc_buf.isra.0+0x4b/0x260 [ 21.787611][ T329] put_chars+0x1e1/0x2f0 [ 21.787614][ T329] ? prb_final_commit+0x50/0x50 [ 21.787617][ T329] ? __send_to_port+0x420/0x420 [ 21.787622][ T329] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.787628][ T329] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.787632][ T329] ? validate_chain+0x38b/0xc20 [ 21.787638][ T329] hvc_console_print+0x292/0x780 [ 21.787642][ T329] ? mark_usage+0x61/0x170 [ 21.787645][ T329] ? __lock_acquire+0x518/0xc20 [ 21.787647][ T329] ? __lock_acquire+0x518/0xc20 [ 21.787654][ T329] ? hvc_write+0x3a0/0x3a0 [ 21.787658][ T329] ? console_emit_next_record+0x1df/0x4c0 [ 21.787664][ T329] ? rcu_is_watching+0x16/0xd0 [ 21.787667][ T329] ? lock_acquire+0x13c/0x160 [ 21.787674][ T329] console_emit_next_record+0x22f/0x4c0 [ 21.787681][ T329] ? devkmsg_read+0x4b0/0x4b0 [ 21.787683][ T329] ? console_flush_one_record+0x106/0x710 [ 21.787689][ T329] ? rcu_is_watching+0x16/0xd0 [ 21.787692][ T329] ? lock_acquire+0x13c/0x160 [ 21.787700][ T329] console_flush_one_record+0x46f/0x710 [ 21.787707][ T329] ? console_emit_next_record+0x4c0/0x4c0 [ 21.787710][ T329] ? __lock_acquire+0x518/0xc20 [ 21.787719][ T329] console_unlock+0xee/0x1f0 [ 21.787724][ T329] ? console_flush_one_record+0x710/0x710 [ 21.787726][ T329] ? rcu_is_watching+0x16/0xd0 [ 21.787730][ T329] ? lock_acquire+0x60/0x160 [ 21.787737][ T329] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.787739][ T329] ? vprintk_emit+0x320/0x3e0 [ 21.787745][ T329] vprintk_emit+0x37c/0x3e0 [ 21.787752][ T329] ? wake_up_klogd_work_func+0x90/0x90 [ 21.787755][ T329] ? __lock_release.isra.0+0x69/0x1a0 [ 21.787760][ T329] ? mark_held_locks+0x40/0x70 [ 21.787766][ T329] _printk+0xc7/0x100 [ 21.787772][ T329] ? snapshot_read.cold+0x21/0x21 [ 21.787778][ T329] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 21.787797][ T329] ? do_setlink.isra.0+0xa31/0x2750 [ 21.787799][ T329] ? rtnl_newlink+0x9f1/0x11c0 [ 21.787801][ T329] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 21.787810][ T329] br_set_state+0x22f/0x430 [bridge] [ 21.787827][ T329] br_init_port+0xc4/0x200 [bridge] [ 21.787841][ T329] new_nbp+0x39c/0x580 [bridge] [ 21.787857][ T329] br_add_if+0x212/0x1320 [bridge] [ 21.787870][ T329] ? is_bpf_text_address+0x72/0x110 [ 21.787876][ T329] ? kernel_text_address+0x149/0x170 [ 21.787880][ T329] ? __kernel_text_address+0x12/0x30 [ 21.787887][ T329] do_set_master+0x357/0x580 [ 21.787895][ T329] do_setlink.isra.0+0xa31/0x2750 [ 21.787901][ T329] ? stack_trace_save+0x93/0xc0 [ 21.787905][ T329] ? rtnl_link_get_size+0x350/0x350 [ 21.787910][ T329] ? rcu_read_lock_any_held+0x66/0x90 [ 21.787913][ T329] ? stack_depot_save_flags+0x38e/0x790 [ 21.787918][ T329] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.787922][ T329] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.787925][ T329] ? validate_chain+0x38b/0xc20 [ 21.787929][ T329] ? kasan_save_stack+0x3d/0x50 [ 21.787933][ T329] ? kasan_save_stack+0x2f/0x50 [ 21.787935][ T329] ? kasan_save_track+0x14/0x30 [ 21.787940][ T329] ? __lock_acquire+0x518/0xc20 [ 21.787943][ T329] ? netlink_seq_next+0xe/0x60 [ 21.787947][ T329] ? ___sys_sendmsg+0xb0/0x1d0 [ 21.787955][ T329] ? lock_acquire.part.0+0xd4/0x280 [ 21.787958][ T329] ? rtnl_newlink+0x9a8/0x11c0 [ 21.787963][ T329] ? rcu_is_watching+0x16/0xd0 [ 21.787966][ T329] ? lock_acquire+0x13c/0x160 [ 21.787969][ T329] ? rcu_is_watching+0x16/0xd0 [ 21.787971][ T329] ? rcu_is_watching+0x16/0xd0 [ 21.787975][ T329] ? trace_contention_end+0xb3/0x180 [ 21.787981][ T329] ? __mutex_lock+0x1db/0x1ea0 [ 21.787985][ T329] ? __mutex_lock+0x9a3/0x1ea0 [ 21.787989][ T329] ? rtnl_newlink+0x9a8/0x11c0 [ 21.787995][ T329] ? ww_mutex_lock+0x160/0x160 [ 21.787998][ T329] ? nla_get_range_signed+0x3d0/0x3d0 [ 21.788007][ T329] ? __rtnl_newlink+0x3fa/0xa50 [ 21.788017][ T329] rtnl_newlink+0x9f1/0x11c0 [ 21.788027][ T329] ? rtnl_bridge_getlink+0x850/0x850 [ 21.788031][ T329] ? __lock_acquire+0x518/0xc20 [ 21.788039][ T329] ? lock_acquire.part.0+0xd4/0x280 [ 21.788043][ T329] ? find_held_lock+0x2b/0x80 [ 21.788046][ T329] ? rtnl_bridge_getlink+0x850/0x850 [ 21.788049][ T329] ? __lock_release.isra.0+0x69/0x1a0 [ 21.788056][ T329] ? rtnl_bridge_getlink+0x850/0x850 [ 21.788060][ T329] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 21.788065][ T329] ? rtnl_link_fill+0x920/0x920 [ 21.788067][ T329] ? __lock_acquire+0x518/0xc20 [ 21.788076][ T329] ? lock_acquire.part.0+0xd4/0x280 [ 21.788079][ T329] ? find_held_lock+0x2b/0x80 [ 21.788085][ T329] netlink_rcv_skb+0x14e/0x3a0 [ 21.788088][ T329] ? rtnl_link_fill+0x920/0x920 [ 21.788093][ T329] ? netlink_ack+0xcf0/0xcf0 [ 21.788105][ T329] ? netlink_deliver_tap+0xc5/0x330 [ 21.788107][ T329] ? netlink_deliver_tap+0x13c/0x330 [ 21.788115][ T329] netlink_unicast+0x486/0x750 [ 21.788122][ T329] ? netlink_attachskb+0x810/0x810 [ 21.788126][ T329] ? __lock_acquire+0x518/0xc20 [ 21.788134][ T329] netlink_sendmsg+0x735/0xc60 [ 21.788141][ T329] ? netlink_unicast+0x750/0x750 [ 21.788148][ T329] ? __might_fault+0x97/0x140 [ 21.788156][ T329] ____sys_sendmsg+0x415/0x880 [ 21.788160][ T329] ? copy_msghdr_from_user+0x279/0x420 [ 21.788164][ T329] ? get_timestamp.constprop.0+0x390/0x390 [ 21.788166][ T329] ? move_addr_to_kernel+0x40/0x40 [ 21.788180][ T329] ___sys_sendmsg+0x14e/0x1d0 [ 21.788185][ T329] ? copy_msghdr_from_user+0x420/0x420 [ 21.788215][ T329] __sys_sendmsg+0x12c/0x1d0 [ 21.788220][ T329] ? __sys_sendmsg_sock+0x20/0x20 [ 21.788232][ T329] ? rcu_is_watching+0x16/0xd0 [ 21.788238][ T329] do_syscall_64+0xff/0x530 [ 21.788241][ T329] ? exc_page_fault+0xee/0x100 [ 21.788246][ T329] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 21.788250][ T329] RIP: 0033:0x7f3bc6aaa54e [ 21.788254][ T329] 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 [ 21.788257][ T329] RSP: 002b:00007fff963ee160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.788261][ T329] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3bc6aaa54e [ 21.788263][ T329] RDX: 0000000000000000 RSI: 00007fff963ee210 RDI: 0000000000000005 [ 21.788265][ T329] RBP: 00007fff963ee170 R08: 0000000000000000 R09: 0000000000000000 [ 21.788266][ T329] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918411 [ 21.788268][ T329] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff963ee8d0 [ 21.788286][ T329] [ 21.866002][ T329] br1: port 1(veth1) entered disabled state [ 21.866796][ T329] veth1: entered allmulticast mode [ 21.869954][ T329] veth1: entered promiscuous mode [ 21.870804][ T329] br1: port 1(veth1) entered blocking state [ 21.871514][ T329] br1: port 1(veth1) entered forwarding state [ 21.908038][ T330] br1: port 2(veth2) entered blocking state [ 21.908371][ T330] br1: port 2(veth2) entered disabled state [ 21.908694][ T330] veth2: entered allmulticast mode [ 21.910668][ T330] veth2: entered promiscuous mode [ 21.911338][ T330] br1: port 2(veth2) entered blocking state [ 21.911637][ T330] br1: port 2(veth2) entered forwarding state [ 24.495640][ T376] br1: port 2(veth2) entered disabled state [ 24.495657][ T376] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.495659][ T376] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 376, name: ip [ 24.495661][ T376] preempt_count: 202, expected: 0 [ 24.495662][ T376] RCU nest depth: 0, expected: 0 [ 24.495663][ T376] locks held by ip/376: 6, last CPU#0: [ 24.495665][ T376] #0: ffffffff8bad2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 24.495677][ T376] #1: ff1100000c8f2e58 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [bridge] [ 24.495693][ T376] #2: ffffffff8b369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.495699][ T376] #3: ffffffff8b369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.495703][ T376] #4: ffffffff8b289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.495707][ T376] #5: ffffffff8b289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 24.495712][ T376] irq event stamp: 15103 [ 24.495713][ T376] hardirqs last enabled at (15102): [] __down_trylock_console_sem+0x86/0xa0 [ 24.495715][ T376] hardirqs last disabled at (15103): [] console_emit_next_record+0x3d4/0x4c0 [ 24.495717][ T376] softirqs last enabled at (15086): [] ipv6_mc_down+0x134/0x2d0 [ 24.495721][ T376] softirqs last disabled at (15098): [] br_device_event+0x1d7/0x8f0 [bridge] [ 24.495730][ T376] Preemption disabled at: [ 24.495731][ T376] [<0000000000000000>] 0x0 [ 24.495737][ T376] CPU: 0 UID: 0 PID: 376 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.495741][ T376] Tainted: [W]=WARN [ 24.495742][ T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.495743][ T376] Call Trace: [ 24.495745][ T376] [ 24.495746][ T376] dump_stack_lvl+0x6f/0xa0 [ 24.495753][ T376] __might_resched.cold+0x1fe/0x2c1 [ 24.495758][ T376] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.495762][ T376] ? __kmalloc_noprof+0xdb/0x760 [ 24.495767][ T376] __kmalloc_noprof+0x443/0x760 [ 24.495770][ T376] ? alloc_buf.isra.0+0x4b/0x260 [ 24.495775][ T376] ? do_raw_spin_unlock+0x59/0x250 [ 24.495778][ T376] alloc_buf.isra.0+0x4b/0x260 [ 24.495782][ T376] put_chars+0x1e1/0x2f0 [ 24.495785][ T376] ? __send_to_port+0x420/0x420 [ 24.495787][ T376] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.495792][ T376] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.495794][ T376] ? validate_chain+0x38b/0xc20 [ 24.495798][ T376] hvc_console_print+0x292/0x780 [ 24.495801][ T376] ? mark_usage+0x61/0x170 [ 24.495803][ T376] ? __lock_acquire+0x518/0xc20 [ 24.495805][ T376] ? __lock_acquire+0x518/0xc20 [ 24.495809][ T376] ? hvc_write+0x3a0/0x3a0 [ 24.495810][ T376] ? lock_acquire.part.0+0xd4/0x280 [ 24.495815][ T376] ? lock_acquire+0x13c/0x160 [ 24.495819][ T376] console_emit_next_record+0x22f/0x4c0 [ 24.495823][ T376] ? devkmsg_read+0x4b0/0x4b0 [ 24.495825][ T376] ? console_flush_one_record+0x106/0x710 [ 24.495828][ T376] ? rcu_is_watching+0x16/0xd0 [ 24.495831][ T376] ? lock_acquire+0x13c/0x160 [ 24.495835][ T376] console_flush_one_record+0x46f/0x710 [ 24.495839][ T376] ? console_emit_next_record+0x4c0/0x4c0 [ 24.495841][ T376] ? __lock_acquire+0x518/0xc20 [ 24.495847][ T376] console_unlock+0xee/0x1f0 [ 24.495850][ T376] ? console_flush_one_record+0x710/0x710 [ 24.495851][ T376] ? rcu_is_watching+0x16/0xd0 [ 24.495854][ T376] ? lock_acquire+0x60/0x160 [ 24.495858][ T376] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.495860][ T376] ? vprintk_emit+0x320/0x3e0 [ 24.495863][ T376] vprintk_emit+0x37c/0x3e0 [ 24.495867][ T376] ? wake_up_klogd_work_func+0x90/0x90 [ 24.495869][ T376] ? mark_held_locks+0x40/0x70 [ 24.495872][ T376] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.495875][ T376] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.495878][ T376] _printk+0xc7/0x100 [ 24.495882][ T376] ? snapshot_read.cold+0x21/0x21 [ 24.495890][ T376] br_set_state+0x22f/0x430 [bridge] [ 24.495902][ T376] br_stp_disable_port+0x11f/0x390 [bridge] [ 24.495915][ T376] br_device_event+0x7b5/0x8f0 [bridge] [ 24.495922][ T376] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 24.495927][ T376] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 24.495933][ T376] notifier_call_chain+0xae/0x300 [ 24.495939][ T376] __dev_notify_flags+0x23c/0x3c0 [ 24.495944][ T376] ? netif_change_name+0x8c0/0x8c0 [ 24.495948][ T376] ? netif_set_allmulti+0x250/0x250 [ 24.495951][ T376] ? __kernel_text_address+0x12/0x30 [ 24.495954][ T376] ? write_profile+0xf0/0xf0 [ 24.495956][ T376] ? unwind_get_return_address+0x67/0xd0 [ 24.495961][ T376] netif_change_flags+0xfe/0x190 [ 24.495965][ T376] do_setlink.isra.0+0x1cc3/0x2750 [ 24.495969][ T376] ? stack_trace_save+0x93/0xc0 [ 24.495971][ T376] ? rtnl_link_get_size+0x350/0x350 [ 24.495973][ T376] ? rcu_read_lock_any_held+0x66/0x90 [ 24.495975][ T376] ? stack_depot_save_flags+0x38e/0x790 [ 24.495978][ T376] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.495981][ T376] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.495983][ T376] ? validate_chain+0x38b/0xc20 [ 24.495986][ T376] ? kasan_save_stack+0x3d/0x50 [ 24.495989][ T376] ? kasan_save_stack+0x2f/0x50 [ 24.495990][ T376] ? kasan_save_track+0x14/0x30 [ 24.495993][ T376] ? __lock_acquire+0x518/0xc20 [ 24.495995][ T376] ? netlink_seq_next+0xe/0x60 [ 24.495998][ T376] ? ___sys_sendmsg+0xb0/0x1d0 [ 24.496003][ T376] ? lock_acquire.part.0+0xd4/0x280 [ 24.496005][ T376] ? rtnl_newlink+0x9a8/0x11c0 [ 24.496008][ T376] ? rcu_is_watching+0x16/0xd0 [ 24.496011][ T376] ? lock_acquire+0x13c/0x160 [ 24.496012][ T376] ? rcu_is_watching+0x16/0xd0 [ 24.496014][ T376] ? rcu_is_watching+0x16/0xd0 [ 24.496017][ T376] ? trace_contention_end+0xb3/0x180 [ 24.496021][ T376] ? __mutex_lock+0x1db/0x1ea0 [ 24.496022][ T376] ? __mutex_lock+0x9a3/0x1ea0 [ 24.496025][ T376] ? rtnl_newlink+0x9a8/0x11c0 [ 24.496028][ T376] ? ww_mutex_lock+0x160/0x160 [ 24.496030][ T376] ? nla_get_range_signed+0x3d0/0x3d0 [ 24.496035][ T376] ? __rtnl_newlink+0x3fa/0xa50 [ 24.496041][ T376] rtnl_newlink+0x9f1/0x11c0 [ 24.496047][ T376] ? rtnl_bridge_getlink+0x850/0x850 [ 24.496049][ T376] ? __lock_acquire+0x518/0xc20 [ 24.496053][ T376] ? lock_acquire.part.0+0xd4/0x280 [ 24.496055][ T376] ? find_held_lock+0x2b/0x80 [ 24.496057][ T376] ? rtnl_bridge_getlink+0x850/0x850 [ 24.496059][ T376] ? __lock_release.isra.0+0x69/0x1a0 [ 24.496063][ T376] ? rtnl_bridge_getlink+0x850/0x850 [ 24.496065][ T376] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 24.496069][ T376] ? rtnl_link_fill+0x920/0x920 [ 24.496070][ T376] ? __lock_acquire+0x518/0xc20 [ 24.496075][ T376] ? lock_acquire.part.0+0xd4/0x280 [ 24.496077][ T376] ? find_held_lock+0x2b/0x80 [ 24.496080][ T376] netlink_rcv_skb+0x14e/0x3a0 [ 24.496082][ T376] ? rtnl_link_fill+0x920/0x920 [ 24.496085][ T376] ? netlink_ack+0xcf0/0xcf0 [ 24.496092][ T376] ? netlink_deliver_tap+0xc5/0x330 [ 24.496093][ T376] ? netlink_deliver_tap+0x13c/0x330 [ 24.496098][ T376] netlink_unicast+0x486/0x750 [ 24.496102][ T376] ? netlink_attachskb+0x810/0x810 [ 24.496104][ T376] ? __lock_acquire+0x518/0xc20 [ 24.496109][ T376] netlink_sendmsg+0x735/0xc60 [ 24.496113][ T376] ? netlink_unicast+0x750/0x750 [ 24.496117][ T376] ? __might_fault+0x97/0x140 [ 24.496123][ T376] ____sys_sendmsg+0x415/0x880 [ 24.496125][ T376] ? copy_msghdr_from_user+0x279/0x420 [ 24.496127][ T376] ? get_timestamp.constprop.0+0x390/0x390 [ 24.496129][ T376] ? move_addr_to_kernel+0x40/0x40 [ 24.496137][ T376] ___sys_sendmsg+0x14e/0x1d0 [ 24.496140][ T376] ? copy_msghdr_from_user+0x420/0x420 [ 24.496156][ T376] __sys_sendmsg+0x12c/0x1d0 [ 24.496159][ T376] ? __sys_sendmsg_sock+0x20/0x20 [ 24.496166][ T376] ? rcu_is_watching+0x16/0xd0 [ 24.496170][ T376] do_syscall_64+0xff/0x530 [ 24.496172][ T376] ? exc_page_fault+0xee/0x100 [ 24.496175][ T376] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.496178][ T376] RIP: 0033:0x7fd13d19954e [ 24.496180][ T376] 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 [ 24.496182][ T376] RSP: 002b:00007ffd7a4e7ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.496185][ T376] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd13d19954e [ 24.496186][ T376] RDX: 0000000000000000 RSI: 00007ffd7a4e7f50 RDI: 0000000000000005 [ 24.496187][ T376] RBP: 00007ffd7a4e7eb0 R08: 0000000000000000 R09: 0000000000000000 [ 24.496188][ T376] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918413 [ 24.496189][ T376] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7a4e8610 [ 24.496196][ T376] [ 24.550664][ T376] veth2: left allmulticast mode [ 24.551010][ T376] veth2: left promiscuous mode [ 24.551344][ T376] br1: port 2(veth2) entered disabled state [ 24.571100][ T376] ip (376) used greatest stack depth: 23016 bytes left [ 24.591622][ T378] br1: port 1(veth1) entered disabled state [ 24.592148][ T378] veth1: left allmulticast mode [ 24.592411][ T378] veth1: left promiscuous mode [ 24.592749][ T378] br1: port 1(veth1) entered disabled state