[ 10.381342][ T187] ip (187) used greatest stack depth: 23840 bytes left [ 10.381369][ T187] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.381372][ T187] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 187, name: ip [ 10.381374][ T187] preempt_count: 2, expected: 0 [ 10.381375][ T187] RCU nest depth: 0, expected: 0 [ 10.381377][ T187] locks held by ip/187: 5, last CPU#1: [ 10.381380][ T187] #0: ffffffffa02027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.381396][ T187] #1: ffffffffa0369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.381403][ T187] #2: ffffffffa0369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.381409][ T187] #3: ffffffffa0289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.381416][ T187] #4: ffffffffa0289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.381422][ T187] irq event stamp: 35380 [ 10.381426][ T187] hardirqs last enabled at (35379): [] __down_trylock_console_sem+0x86/0xa0 [ 10.381429][ T187] hardirqs last disabled at (35380): [] console_emit_next_record+0x3d4/0x4c0 [ 10.381432][ T187] softirqs last enabled at (34100): [] netlink_release+0x17b/0xcf0 [ 10.381437][ T187] softirqs last disabled at (34098): [] netlink_release+0xd2/0xcf0 [ 10.381440][ T187] Preemption disabled at: [ 10.381441][ T187] [<0000000000000000>] 0x0 [ 10.381450][ T187] CPU: 1 UID: 0 PID: 187 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.381454][ T187] Tainted: [W]=WARN [ 10.381455][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.381458][ T187] Call Trace: [ 10.381460][ T187] [ 10.381462][ T187] dump_stack_lvl+0x6f/0xa0 [ 10.381470][ T187] __might_resched.cold+0x1fe/0x2c1 [ 10.381476][ T187] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.381482][ T187] ? __kmalloc_noprof+0xdb/0x760 [ 10.381489][ T187] __kmalloc_noprof+0x443/0x760 [ 10.381493][ T187] ? alloc_buf.isra.0+0x4b/0x260 [ 10.381501][ T187] ? do_raw_spin_unlock+0x59/0x250 [ 10.381505][ T187] alloc_buf.isra.0+0x4b/0x260 [ 10.381510][ T187] put_chars+0x1e1/0x2f0 [ 10.381514][ T187] ? __send_to_port+0x420/0x420 [ 10.381516][ T187] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.381523][ T187] ? validate_chain+0x38b/0xc20 [ 10.381532][ T187] hvc_console_print+0x292/0x780 [ 10.381542][ T187] ? hvc_write+0x3a0/0x3a0 [ 10.381546][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.381549][ T187] ? lock_acquire+0x13c/0x160 [ 10.381556][ T187] console_emit_next_record+0x22f/0x4c0 [ 10.381563][ T187] ? devkmsg_read+0x4b0/0x4b0 [ 10.381565][ T187] ? console_flush_one_record+0x106/0x710 [ 10.381570][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.381574][ T187] ? lock_acquire+0x13c/0x160 [ 10.381581][ T187] console_flush_one_record+0x46f/0x710 [ 10.381588][ T187] ? console_emit_next_record+0x4c0/0x4c0 [ 10.381590][ T187] ? __lock_acquire+0x518/0xc20 [ 10.381599][ T187] console_unlock+0xee/0x1f0 [ 10.381604][ T187] ? console_flush_one_record+0x710/0x710 [ 10.381606][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.381610][ T187] ? lock_acquire+0x60/0x160 [ 10.381616][ T187] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.381619][ T187] ? vprintk_emit+0x320/0x3e0 [ 10.381624][ T187] vprintk_emit+0x37c/0x3e0 [ 10.381630][ T187] ? wake_up_klogd_work_func+0x90/0x90 [ 10.381636][ T187] ? __lock_acquire+0x518/0xc20 [ 10.381642][ T187] _printk+0xc7/0x100 [ 10.381647][ T187] ? snapshot_read.cold+0x21/0x21 [ 10.381651][ T187] ? do_raw_spin_lock+0x131/0x280 [ 10.381655][ T187] ? __rwlock_init+0x150/0x150 [ 10.381662][ T187] ? do_raw_spin_lock+0x131/0x280 [ 10.381666][ T187] do_exit.cold+0x82/0x9c [ 10.381672][ T187] ? exit_notify+0x890/0x890 [ 10.381674][ T187] ? __lock_release.isra.0+0x69/0x1a0 [ 10.381679][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.381685][ T187] do_group_exit+0xb8/0x370 [ 10.381690][ T187] __x64_sys_exit_group+0x3c/0x50 [ 10.381693][ T187] x64_sys_call+0x1567/0x1570 [ 10.381696][ T187] do_syscall_64+0xff/0x530 [ 10.381700][ T187] ? exc_page_fault+0xee/0x100 [ 10.381704][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.381708][ T187] RIP: 0033:0x7f99717e51b8 [ 10.381711][ T187] Code: Unable to access opcode bytes at 0x7f99717e518e. [ 10.381712][ T187] RSP: 002b:00007ffc7dda6448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.381715][ T187] RAX: ffffffffffffffda RBX: 00007f9971915f88 RCX: 00007f99717e51b8 [ 10.381717][ T187] RDX: 00007f997152ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.381718][ T187] RBP: 00007ffc7dda64a0 R08: 0000000000000000 R09: 0000000000008010 [ 10.381720][ T187] R10: 00007ffc7dda6260 R11: 0000000000000246 R12: 0000000000000001 [ 10.381721][ T187] R13: 0000000000000000 R14: 00007f9971914680 R15: 00007f9971915fa0 [ 10.381733][ T187] [ 12.489535][ T267] br1: port 1(vx10) entered blocking state [ 12.489670][ T267] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.489672][ T267] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 267, name: ip [ 12.489674][ T267] preempt_count: 1, expected: 0 [ 12.489675][ T267] RCU nest depth: 0, expected: 0 [ 12.489676][ T267] locks held by ip/267: 5, last CPU#2: [ 12.489678][ T267] #0: ffffffffa0ad2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 12.489691][ T267] #1: ffffffffa0369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.489699][ T267] #2: ffffffffa0369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.489705][ T267] #3: ffffffffa0289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.489710][ T267] #4: ffffffffa0289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.489716][ T267] irq event stamp: 12922 [ 12.489717][ T267] hardirqs last enabled at (12921): [] __down_trylock_console_sem+0x86/0xa0 [ 12.489720][ T267] hardirqs last disabled at (12922): [] console_emit_next_record+0x3d4/0x4c0 [ 12.489723][ T267] softirqs last enabled at (12832): [] __alloc_skb+0x4c2/0x5f0 [ 12.489727][ T267] softirqs last disabled at (12830): [] __alloc_skb+0x4c2/0x5f0 [ 12.489731][ T267] Preemption disabled at: [ 12.489732][ T267] [] vprintk_emit+0x31b/0x3e0 [ 12.489739][ T267] CPU: 2 UID: 0 PID: 267 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.489744][ T267] Tainted: [W]=WARN [ 12.489745][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.489748][ T267] Call Trace: [ 12.489750][ T267] [ 12.489752][ T267] dump_stack_lvl+0x6f/0xa0 [ 12.489758][ T267] ? vprintk_emit+0x31b/0x3e0 [ 12.489761][ T267] __might_resched.cold+0x1fe/0x2c1 [ 12.489765][ T267] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.489770][ T267] ? __kmalloc_noprof+0xdb/0x760 [ 12.489775][ T267] __kmalloc_noprof+0x443/0x760 [ 12.489777][ T267] ? alloc_buf.isra.0+0x4b/0x260 [ 12.489783][ T267] ? do_raw_spin_unlock+0x59/0x250 [ 12.489786][ T267] alloc_buf.isra.0+0x4b/0x260 [ 12.489789][ T267] put_chars+0x1e1/0x2f0 [ 12.489792][ T267] ? __send_to_port+0x420/0x420 [ 12.489797][ T267] ? validate_chain+0x34a/0xc20 [ 12.489800][ T267] hvc_console_print+0x292/0x780 [ 12.489803][ T267] ? mark_usage+0x61/0x170 [ 12.489805][ T267] ? __lock_acquire+0x518/0xc20 [ 12.489807][ T267] ? __lock_acquire+0x518/0xc20 [ 12.489811][ T267] ? hvc_write+0x3a0/0x3a0 [ 12.489813][ T267] ? console_emit_next_record+0x1df/0x4c0 [ 12.489816][ T267] ? rcu_is_watching+0x16/0xd0 [ 12.489820][ T267] ? lock_acquire+0x13c/0x160 [ 12.489824][ T267] console_emit_next_record+0x22f/0x4c0 [ 12.489828][ T267] ? devkmsg_read+0x4b0/0x4b0 [ 12.489830][ T267] ? console_flush_one_record+0x106/0x710 [ 12.489833][ T267] ? rcu_is_watching+0x16/0xd0 [ 12.489836][ T267] ? lock_acquire+0x13c/0x160 [ 12.489840][ T267] console_flush_one_record+0x46f/0x710 [ 12.489844][ T267] ? console_emit_next_record+0x4c0/0x4c0 [ 12.489846][ T267] ? __lock_acquire+0x518/0xc20 [ 12.489851][ T267] console_unlock+0xee/0x1f0 [ 12.489854][ T267] ? console_flush_one_record+0x710/0x710 [ 12.489856][ T267] ? rcu_is_watching+0x16/0xd0 [ 12.489858][ T267] ? lock_acquire+0x60/0x160 [ 12.489862][ T267] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.489864][ T267] ? vprintk_emit+0x320/0x3e0 [ 12.489867][ T267] vprintk_emit+0x37c/0x3e0 [ 12.489871][ T267] ? wake_up_klogd_work_func+0x90/0x90 [ 12.489874][ T267] ? __lock_release.isra.0+0x69/0x1a0 [ 12.489876][ T267] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 12.489880][ T267] ? mark_held_locks+0x40/0x70 [ 12.489884][ T267] _printk+0xc7/0x100 [ 12.489887][ T267] ? snapshot_read.cold+0x21/0x21 [ 12.489891][ T267] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 12.489904][ T267] ? do_setlink.isra.0+0xa31/0x2750 [ 12.489905][ T267] ? rtnl_newlink+0x9f1/0x11c0 [ 12.489907][ T267] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.489911][ T267] br_set_state+0x22f/0x430 [bridge] [ 12.489921][ T267] br_init_port+0xc4/0x200 [bridge] [ 12.489930][ T267] new_nbp+0x39c/0x580 [bridge] [ 12.489939][ T267] br_add_if+0x212/0x1320 [bridge] [ 12.489946][ T267] ? is_bpf_text_address+0x72/0x110 [ 12.489950][ T267] ? kernel_text_address+0x149/0x170 [ 12.489953][ T267] ? __kernel_text_address+0x12/0x30 [ 12.489957][ T267] do_set_master+0x357/0x580 [ 12.489962][ T267] do_setlink.isra.0+0xa31/0x2750 [ 12.489965][ T267] ? stack_trace_save+0x93/0xc0 [ 12.489968][ T267] ? rtnl_link_get_size+0x350/0x350 [ 12.489969][ T267] ? rcu_read_lock_any_held+0x66/0x90 [ 12.489972][ T267] ? stack_depot_save_flags+0x38e/0x790 [ 12.489976][ T267] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.489978][ T267] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.489980][ T267] ? validate_chain+0x38b/0xc20 [ 12.489983][ T267] ? kasan_save_stack+0x3d/0x50 [ 12.489986][ T267] ? kasan_save_stack+0x2f/0x50 [ 12.489988][ T267] ? kasan_save_track+0x14/0x30 [ 12.489991][ T267] ? __lock_acquire+0x518/0xc20 [ 12.489992][ T267] ? netlink_seq_next+0x4e/0x60 [ 12.489996][ T267] ? ___sys_sendmsg+0xb0/0x1d0 [ 12.490000][ T267] ? lock_acquire.part.0+0xd4/0x280 [ 12.490002][ T267] ? rtnl_newlink+0x9a8/0x11c0 [ 12.490005][ T267] ? rcu_is_watching+0x16/0xd0 [ 12.490007][ T267] ? lock_acquire+0x13c/0x160 [ 12.490009][ T267] ? rcu_is_watching+0x16/0xd0 [ 12.490011][ T267] ? rcu_is_watching+0x16/0xd0 [ 12.490013][ T267] ? trace_contention_end+0xb3/0x180 [ 12.490017][ T267] ? __mutex_lock+0x1db/0x1ea0 [ 12.490018][ T267] ? __mutex_lock+0x9a3/0x1ea0 [ 12.490021][ T267] ? rtnl_newlink+0x9a8/0x11c0 [ 12.490024][ T267] ? ww_mutex_lock+0x160/0x160 [ 12.490026][ T267] ? nla_get_range_signed+0x3d0/0x3d0 [ 12.490031][ T267] ? __rtnl_newlink+0x3fa/0xa50 [ 12.490036][ T267] rtnl_newlink+0x9f1/0x11c0 [ 12.490041][ T267] ? rtnl_bridge_getlink+0x850/0x850 [ 12.490043][ T267] ? __lock_acquire+0x518/0xc20 [ 12.490048][ T267] ? lock_acquire.part.0+0xd4/0x280 [ 12.490050][ T267] ? find_held_lock+0x2b/0x80 [ 12.490052][ T267] ? rtnl_bridge_getlink+0x850/0x850 [ 12.490054][ T267] ? __lock_release.isra.0+0x69/0x1a0 [ 12.490058][ T267] ? rtnl_bridge_getlink+0x850/0x850 [ 12.490060][ T267] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.490063][ T267] ? rtnl_link_fill+0x920/0x920 [ 12.490064][ T267] ? __lock_acquire+0x518/0xc20 [ 12.490069][ T267] ? lock_acquire.part.0+0xd4/0x280 [ 12.490071][ T267] ? find_held_lock+0x2b/0x80 [ 12.490074][ T267] netlink_rcv_skb+0x14e/0x3a0 [ 12.490076][ T267] ? rtnl_link_fill+0x920/0x920 [ 12.490079][ T267] ? netlink_ack+0xcf0/0xcf0 [ 12.490086][ T267] ? netlink_deliver_tap+0xc5/0x330 [ 12.490087][ T267] ? netlink_deliver_tap+0x13c/0x330 [ 12.490091][ T267] netlink_unicast+0x486/0x750 [ 12.490095][ T267] ? netlink_attachskb+0x810/0x810 [ 12.490098][ T267] ? __lock_acquire+0x518/0xc20 [ 12.490102][ T267] netlink_sendmsg+0x735/0xc60 [ 12.490106][ T267] ? netlink_unicast+0x750/0x750 [ 12.490110][ T267] ? __might_fault+0x97/0x140 [ 12.490115][ T267] ____sys_sendmsg+0x415/0x880 [ 12.490118][ T267] ? copy_msghdr_from_user+0x279/0x420 [ 12.490120][ T267] ? get_timestamp.constprop.0+0x390/0x390 [ 12.490122][ T267] ? move_addr_to_kernel+0x40/0x40 [ 12.490129][ T267] ___sys_sendmsg+0x14e/0x1d0 [ 12.490132][ T267] ? copy_msghdr_from_user+0x420/0x420 [ 12.490148][ T267] __sys_sendmsg+0x12c/0x1d0 [ 12.490151][ T267] ? __sys_sendmsg_sock+0x20/0x20 [ 12.490158][ T267] ? rcu_is_watching+0x16/0xd0 [ 12.490161][ T267] do_syscall_64+0xff/0x530 [ 12.490164][ T267] ? exc_page_fault+0xee/0x100 [ 12.490167][ T267] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.490169][ T267] RIP: 0033:0x7f5b7c61f54e [ 12.490172][ T267] 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 [ 12.490174][ T267] RSP: 002b:00007ffc2decceb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.490177][ T267] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5b7c61f54e [ 12.490179][ T267] RDX: 0000000000000000 RSI: 00007ffc2deccf60 RDI: 0000000000000005 [ 12.490179][ T267] RBP: 00007ffc2deccec0 R08: 0000000000000000 R09: 0000000000000000 [ 12.490180][ T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e570 [ 12.490181][ T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2decd620 [ 12.490189][ T267] [ 12.538249][ T267] br1: port 1(vx10) entered disabled state [ 12.538732][ T267] vx10: entered allmulticast mode [ 12.540487][ T267] vx10: entered promiscuous mode [ 12.541416][ T267] br1: port 1(vx10) entered blocking state [ 12.541887][ T267] br1: port 1(vx10) entered forwarding state [ 12.553914][ T267] ip (267) used greatest stack depth: 23336 bytes left [ 12.700570][ T272] br1: port 2(vx20) entered blocking state [ 12.700965][ T272] br1: port 2(vx20) entered disabled state [ 12.701345][ T272] vx20: entered allmulticast mode [ 12.703043][ T272] vx20: entered promiscuous mode [ 12.703631][ T272] br1: port 2(vx20) entered blocking state [ 12.703979][ T272] br1: port 2(vx20) entered forwarding state [ 12.760318][ T274] br1: port 3(veth1) entered blocking state [ 12.760721][ T274] br1: port 3(veth1) entered disabled state [ 12.761147][ T274] veth1: entered allmulticast mode [ 12.763619][ T274] veth1: entered promiscuous mode [ 12.806907][ T46] br1: port 3(veth1) entered blocking state [ 12.814951][ T46] br1: port 3(veth1) entered forwarding state [ 12.871571][ T277] br1: port 4(veth2) entered blocking state [ 12.871947][ T277] br1: port 4(veth2) entered disabled state [ 12.872309][ T277] veth2: entered allmulticast mode [ 12.873960][ T277] veth2: entered promiscuous mode [ 12.901838][ T39] br1: port 4(veth2) entered blocking state [ 12.902154][ T39] br1: port 4(veth2) entered forwarding state [ 13.157279][ T287] 8021q: 802.1Q VLAN Support v1.8 [ 13.305672][ T67] br1: entered promiscuous mode [ 15.653906][ T370] br1: port 1(vx10) entered blocking state [ 15.653929][ T370] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.653932][ T370] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 370, name: ip [ 15.653935][ T370] preempt_count: 1, expected: 0 [ 15.653936][ T370] RCU nest depth: 0, expected: 0 [ 15.653937][ T370] locks held by ip/370: 5, last CPU#0: [ 15.653941][ T370] #0: ffffffffa0ad2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 15.653956][ T370] #1: ffffffffa0369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.653964][ T370] #2: ffffffffa0369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.653970][ T370] #3: ffffffffa0289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.653975][ T370] #4: ffffffffa0289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.653981][ T370] irq event stamp: 18360 [ 15.653982][ T370] hardirqs last enabled at (18359): [] __down_trylock_console_sem+0x86/0xa0 [ 15.653986][ T370] hardirqs last disabled at (18360): [] console_emit_next_record+0x3d4/0x4c0 [ 15.653988][ T370] softirqs last enabled at (18308): [] __alloc_skb+0x4c2/0x5f0 [ 15.653993][ T370] softirqs last disabled at (18306): [] __alloc_skb+0x4c2/0x5f0 [ 15.653996][ T370] Preemption disabled at: [ 15.653997][ T370] [] vprintk_emit+0x31b/0x3e0 [ 15.654005][ T370] CPU: 0 UID: 0 PID: 370 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.654009][ T370] Tainted: [W]=WARN [ 15.654011][ T370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.654013][ T370] Call Trace: [ 15.654015][ T370] [ 15.654017][ T370] dump_stack_lvl+0x6f/0xa0 [ 15.654024][ T370] ? vprintk_emit+0x31b/0x3e0 [ 15.654028][ T370] __might_resched.cold+0x1fe/0x2c1 [ 15.654034][ T370] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.654039][ T370] ? __kmalloc_noprof+0xdb/0x760 [ 15.654047][ T370] __kmalloc_noprof+0x443/0x760 [ 15.654050][ T370] ? alloc_buf.isra.0+0x4b/0x260 [ 15.654058][ T370] ? do_raw_spin_unlock+0x59/0x250 [ 15.654061][ T370] alloc_buf.isra.0+0x4b/0x260 [ 15.654066][ T370] put_chars+0x1e1/0x2f0 [ 15.654069][ T370] ? prb_final_commit+0x50/0x50 [ 15.654072][ T370] ? __send_to_port+0x420/0x420 [ 15.654077][ T370] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.654083][ T370] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.654087][ T370] ? validate_chain+0x38b/0xc20 [ 15.654093][ T370] hvc_console_print+0x292/0x780 [ 15.654097][ T370] ? mark_usage+0x61/0x170 [ 15.654100][ T370] ? __lock_acquire+0x518/0xc20 [ 15.654102][ T370] ? __lock_acquire+0x518/0xc20 [ 15.654108][ T370] ? hvc_write+0x3a0/0x3a0 [ 15.654111][ T370] ? console_emit_next_record+0x1df/0x4c0 [ 15.654117][ T370] ? rcu_is_watching+0x16/0xd0 [ 15.654120][ T370] ? lock_acquire+0x13c/0x160 [ 15.654127][ T370] console_emit_next_record+0x22f/0x4c0 [ 15.654133][ T370] ? devkmsg_read+0x4b0/0x4b0 [ 15.654136][ T370] ? console_flush_one_record+0x106/0x710 [ 15.654141][ T370] ? rcu_is_watching+0x16/0xd0 [ 15.654144][ T370] ? lock_acquire+0x13c/0x160 [ 15.654151][ T370] console_flush_one_record+0x46f/0x710 [ 15.654158][ T370] ? console_emit_next_record+0x4c0/0x4c0 [ 15.654161][ T370] ? __lock_acquire+0x518/0xc20 [ 15.654169][ T370] console_unlock+0xee/0x1f0 [ 15.654173][ T370] ? console_flush_one_record+0x710/0x710 [ 15.654176][ T370] ? rcu_is_watching+0x16/0xd0 [ 15.654179][ T370] ? lock_acquire+0x60/0x160 [ 15.654185][ T370] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.654187][ T370] ? vprintk_emit+0x320/0x3e0 [ 15.654192][ T370] vprintk_emit+0x37c/0x3e0 [ 15.654200][ T370] ? wake_up_klogd_work_func+0x90/0x90 [ 15.654203][ T370] ? __lock_release.isra.0+0x69/0x1a0 [ 15.654208][ T370] ? mark_held_locks+0x40/0x70 [ 15.654214][ T370] _printk+0xc7/0x100 [ 15.654219][ T370] ? snapshot_read.cold+0x21/0x21 [ 15.654225][ T370] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 15.654243][ T370] ? do_setlink.isra.0+0xa31/0x2750 [ 15.654245][ T370] ? rtnl_newlink+0x9f1/0x11c0 [ 15.654247][ T370] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.654255][ T370] br_set_state+0x22f/0x430 [bridge] [ 15.654272][ T370] br_init_port+0xc4/0x200 [bridge] [ 15.654287][ T370] new_nbp+0x39c/0x580 [bridge] [ 15.654302][ T370] br_add_if+0x212/0x1320 [bridge] [ 15.654315][ T370] ? is_bpf_text_address+0x72/0x110 [ 15.654320][ T370] ? kernel_text_address+0x149/0x170 [ 15.654325][ T370] ? __kernel_text_address+0x12/0x30 [ 15.654331][ T370] do_set_master+0x357/0x580 [ 15.654338][ T370] do_setlink.isra.0+0xa31/0x2750 [ 15.654343][ T370] ? stack_trace_save+0x93/0xc0 [ 15.654347][ T370] ? rtnl_link_get_size+0x350/0x350 [ 15.654349][ T370] ? rcu_read_lock_any_held+0x66/0x90 [ 15.654352][ T370] ? stack_depot_save_flags+0x38e/0x790 [ 15.654356][ T370] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.654360][ T370] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.654363][ T370] ? validate_chain+0x38b/0xc20 [ 15.654367][ T370] ? kasan_save_stack+0x3d/0x50 [ 15.654371][ T370] ? kasan_save_stack+0x2f/0x50 [ 15.654373][ T370] ? kasan_save_track+0x14/0x30 [ 15.654384][ T370] ? __lock_acquire+0x518/0xc20 [ 15.654387][ T370] ? netlink_seq_next+0x4e/0x60 [ 15.654391][ T370] ? ___sys_sendmsg+0xb0/0x1d0 [ 15.654398][ T370] ? lock_acquire.part.0+0xd4/0x280 [ 15.654401][ T370] ? rtnl_newlink+0x9a8/0x11c0 [ 15.654405][ T370] ? rcu_is_watching+0x16/0xd0 [ 15.654409][ T370] ? lock_acquire+0x13c/0x160 [ 15.654411][ T370] ? rcu_is_watching+0x16/0xd0 [ 15.654414][ T370] ? rcu_is_watching+0x16/0xd0 [ 15.654417][ T370] ? trace_contention_end+0xb3/0x180 [ 15.654422][ T370] ? __mutex_lock+0x1db/0x1ea0 [ 15.654428][ T370] ? __mutex_lock+0x9a3/0x1ea0 [ 15.654431][ T370] ? rtnl_newlink+0x9a8/0x11c0 [ 15.654437][ T370] ? ww_mutex_lock+0x160/0x160 [ 15.654439][ T370] ? nla_get_range_signed+0x3d0/0x3d0 [ 15.654447][ T370] ? __rtnl_newlink+0x3fa/0xa50 [ 15.654456][ T370] rtnl_newlink+0x9f1/0x11c0 [ 15.654465][ T370] ? rtnl_bridge_getlink+0x850/0x850 [ 15.654468][ T370] ? __lock_acquire+0x518/0xc20 [ 15.654476][ T370] ? lock_acquire.part.0+0xd4/0x280 [ 15.654479][ T370] ? find_held_lock+0x2b/0x80 [ 15.654482][ T370] ? rtnl_bridge_getlink+0x850/0x850 [ 15.654485][ T370] ? __lock_release.isra.0+0x69/0x1a0 [ 15.654491][ T370] ? rtnl_bridge_getlink+0x850/0x850 [ 15.654495][ T370] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.654500][ T370] ? rtnl_link_fill+0x920/0x920 [ 15.654502][ T370] ? __lock_acquire+0x518/0xc20 [ 15.654510][ T370] ? lock_acquire.part.0+0xd4/0x280 [ 15.654513][ T370] ? find_held_lock+0x2b/0x80 [ 15.654519][ T370] netlink_rcv_skb+0x14e/0x3a0 [ 15.654522][ T370] ? rtnl_link_fill+0x920/0x920 [ 15.654527][ T370] ? netlink_ack+0xcf0/0xcf0 [ 15.654538][ T370] ? netlink_deliver_tap+0xc5/0x330 [ 15.654540][ T370] ? netlink_deliver_tap+0x13c/0x330 [ 15.654547][ T370] netlink_unicast+0x486/0x750 [ 15.654553][ T370] ? netlink_attachskb+0x810/0x810 [ 15.654557][ T370] ? __lock_acquire+0x518/0xc20 [ 15.654565][ T370] netlink_sendmsg+0x735/0xc60 [ 15.654571][ T370] ? netlink_unicast+0x750/0x750 [ 15.654578][ T370] ? __might_fault+0x97/0x140 [ 15.654586][ T370] ____sys_sendmsg+0x415/0x880 [ 15.654590][ T370] ? copy_msghdr_from_user+0x279/0x420 [ 15.654594][ T370] ? get_timestamp.constprop.0+0x390/0x390 [ 15.654596][ T370] ? move_addr_to_kernel+0x40/0x40 [ 15.654608][ T370] ___sys_sendmsg+0x14e/0x1d0 [ 15.654613][ T370] ? copy_msghdr_from_user+0x420/0x420 [ 15.654642][ T370] __sys_sendmsg+0x12c/0x1d0 [ 15.654647][ T370] ? __sys_sendmsg_sock+0x20/0x20 [ 15.654658][ T370] ? rcu_is_watching+0x16/0xd0 [ 15.654664][ T370] do_syscall_64+0xff/0x530 [ 15.654667][ T370] ? exc_page_fault+0xee/0x100 [ 15.654672][ T370] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.654675][ T370] RIP: 0033:0x7f04a2b4f54e [ 15.654680][ T370] 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 [ 15.654682][ T370] RSP: 002b:00007ffc0739d1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.654686][ T370] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f04a2b4f54e [ 15.654688][ T370] RDX: 0000000000000000 RSI: 00007ffc0739d270 RDI: 0000000000000005 [ 15.654689][ T370] RBP: 00007ffc0739d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 15.654690][ T370] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e574 [ 15.654692][ T370] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0739d930 [ 15.654703][ T370] [ 15.718100][ T370] br1: port 1(vx10) entered disabled state [ 15.718632][ T370] vx10: entered allmulticast mode [ 15.720956][ T370] vx10: entered promiscuous mode [ 15.722532][ T370] br1: port 1(vx10) entered blocking state [ 15.723000][ T370] br1: port 1(vx10) entered forwarding state [ 15.878812][ T374] br1: port 2(vx20) entered blocking state [ 15.879151][ T374] br1: port 2(vx20) entered disabled state [ 15.879470][ T374] vx20: entered allmulticast mode [ 15.881011][ T374] vx20: entered promiscuous mode [ 15.881460][ T374] br1: port 2(vx20) entered blocking state [ 15.881748][ T374] br1: port 2(vx20) entered forwarding state [ 15.955220][ T376] br1: port 3(w1) entered blocking state [ 15.955657][ T376] br1: port 3(w1) entered disabled state [ 15.956071][ T376] w1: entered allmulticast mode [ 15.958677][ T376] w1: entered promiscuous mode [ 15.987820][ T93] br1: port 3(w1) entered blocking state [ 15.988117][ T93] br1: port 3(w1) entered forwarding state [ 16.062400][ T379] br1: port 4(w3) entered blocking state [ 16.062720][ T379] br1: port 4(w3) entered disabled state [ 16.063028][ T379] w3: entered allmulticast mode [ 16.064663][ T379] w3: entered promiscuous mode [ 16.110487][ T46] br1: port 4(w3) entered blocking state [ 16.110905][ T46] br1: port 4(w3) entered forwarding state [ 16.425615][ T60] br1: entered promiscuous mode [ 16.659929][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 16.659964][ C1] [ 16.659966][ C1] ======================================================== [ 16.659967][ C1] WARNING: possible irq lock inversion dependency detected [ 16.659969][ C1] 7.2.0-virtme #1 Tainted: G W [ 16.659970][ C1] -------------------------------------------------------- [ 16.659971][ C1] kworker/u16:0/12 just changed the state of lock: [ 16.659972][ C1] ffffffffa0289660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.659984][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 16.659985][ C1] (fs_reclaim){+.+.}-{0:0} [ 16.659987][ C1] [ 16.659987][ C1] [ 16.659987][ C1] and interrupts could create inverse lock ordering between them. [ 16.659987][ C1] [ 16.659988][ C1] [ 16.659988][ C1] other info that might help us debug this: [ 16.659988][ C1] Possible interrupt unsafe locking scenario: [ 16.659988][ C1] [ 16.659989][ C1] CPU0 CPU1 [ 16.659989][ C1] ---- ---- [ 16.659990][ C1] lock(fs_reclaim); [ 16.659991][ C1] local_irq_disable(); [ 16.659992][ C1] lock(console_owner); [ 16.659992][ C1] lock(fs_reclaim); [ 16.659993][ C1] [ 16.659994][ C1] lock(console_owner); [ 16.659994][ C1] [ 16.659994][ C1] *** DEADLOCK *** [ 16.659994][ C1] [ 16.659995][ C1] locks held by kworker/u16:0/12: 8, last CPU#1: [ 16.659996][ C1] #0: ff110000089e7140 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 16.660001][ C1] #1: ffa00000000c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 16.660005][ C1] #2: ffffffffa0ad2c40 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 16.660010][ C1] #3: ffffffffa0380b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 16.660014][ C1] #4: ffffffffa0380b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 16.660017][ C1] #5: ffffffffa0380b00 (rcu_read_lock){....}-{1:3}, at: netif_receive_skb_list_internal+0x2f8/0xe20 [ 16.660022][ C1] #6: ffffffffa0369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.660025][ C1] #7: ffffffffa0369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.660029][ C1] [ 16.660029][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 16.660033][ C1] -> (fs_reclaim){+.+.}-{0:0} { [ 16.660035][ C1] HARDIRQ-ON-W at: [ 16.660037][ C1] __lock_acquire+0x388/0xc20 [ 16.660039][ C1] lock_acquire.part.0+0xd4/0x280 [ 16.660041][ C1] fs_reclaim_acquire+0xd5/0x120 [ 16.660044][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 16.660046][ C1] kthread_create_worker_on_node+0xea/0x210 [ 16.660048][ C1] workqueue_init+0x2a/0x680 [ 16.660051][ C1] kernel_init_freeable+0x2fe/0x630 [ 16.660054][ C1] kernel_init+0x21/0x150 [ 16.660057][ C1] ret_from_fork+0x474/0x6b0 [ 16.660060][ C1] ret_from_fork_asm+0x11/0x20 [ 16.660062][ C1] SOFTIRQ-ON-W at: [ 16.660063][ C1] __lock_acquire+0x388/0xc20 [ 16.660064][ C1] lock_acquire.part.0+0xd4/0x280 [ 16.660066][ C1] fs_reclaim_acquire+0xd5/0x120 [ 16.660067][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 16.660068][ C1] kthread_create_worker_on_node+0xea/0x210 [ 16.660069][ C1] workqueue_init+0x2a/0x680 [ 16.660070][ C1] kernel_init_freeable+0x2fe/0x630 [ 16.660071][ C1] kernel_init+0x21/0x150 [ 16.660073][ C1] ret_from_fork+0x474/0x6b0 [ 16.660074][ C1] ret_from_fork_asm+0x11/0x20 [ 16.660075][ C1] INITIAL USE at: [ 16.660076][ C1] __lock_acquire+0x388/0xc20 [ 16.660077][ C1] lock_acquire.part.0+0xd4/0x280 [ 16.660079][ C1] fs_reclaim_acquire+0xd5/0x120 [ 16.660080][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 16.660081][ C1] kthread_create_worker_on_node+0xea/0x210 [ 16.660082][ C1] workqueue_init+0x2a/0x680 [ 16.660083][ C1] kernel_init_freeable+0x2fe/0x630 [ 16.660084][ C1] kernel_init+0x21/0x150 [ 16.660086][ C1] ret_from_fork+0x474/0x6b0 [ 16.660087][ C1] ret_from_fork_asm+0x11/0x20 [ 16.660088][ C1] } [ 16.660089][ C1] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 16.660093][ C1] ... acquired at: [ 16.660094][ C1] __lock_acquire+0x518/0xc20 [ 16.660095][ C1] lock_acquire.part.0+0xd4/0x280 [ 16.660097][ C1] fs_reclaim_acquire+0xd5/0x120 [ 16.660098][ C1] __kmalloc_noprof+0xd3/0x760 [ 16.660099][ C1] alloc_buf.isra.0+0x4b/0x260 [ 16.660102][ C1] put_chars+0x1e1/0x2f0 [ 16.660103][ C1] hvc_console_print+0x292/0x780 [ 16.660105][ C1] console_emit_next_record+0x22f/0x4c0 [ 16.660107][ C1] console_flush_one_record+0x46f/0x710 [ 16.660108][ C1] console_unlock+0xee/0x1f0 [ 16.660110][ C1] vprintk_emit+0x37c/0x3e0 [ 16.660111][ C1] dev_vprintk_emit+0x27f/0x2c0 [ 16.660114][ C1] dev_printk_emit+0xb9/0xee [ 16.660116][ C1] _dev_info+0xe2/0x116 [ 16.660118][ C1] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 16.660120][ C1] cmos_do_probe+0x73b/0x98a [ 16.660122][ C1] platform_probe+0xfe/0x1f0 [ 16.660125][ C1] call_driver_probe+0x61/0x1c0 [ 16.660127][ C1] really_probe+0x199/0x760 [ 16.660128][ C1] __driver_probe_device+0x24f/0x440 [ 16.660129][ C1] driver_probe_device+0x4a/0xf0 [ 16.660131][ C1] __driver_attach+0x1b8/0x540 [ 16.660132][ C1] bus_for_each_dev+0x130/0x1e0 [ 16.660133][ C1] bus_add_driver+0x2c8/0x530 [ 16.660134][ C1] driver_register+0x1a3/0x390 [ 16.660136][ C1] __platform_driver_probe+0x13f/0x270 [ 16.660137][ C1] cmos_init+0x31/0x40 [ 16.660140][ C1] do_one_initcall+0x124/0x4f0 [ 16.660142][ C1] kernel_init_freeable+0x596/0x630 [ 16.660143][ C1] kernel_init+0x21/0x150 [ 16.660144][ C1] ret_from_fork+0x474/0x6b0 [ 16.660145][ C1] ret_from_fork_asm+0x11/0x20 [ 16.660146][ C1] [ 16.660147][ C1] -> (console_owner){..-.}-{0:0} { [ 16.660148][ C1] IN-SOFTIRQ-W at: [ 16.660149][ C1] __lock_acquire+0x388/0xc20 [ 16.660150][ C1] lock_acquire.part.0+0xd4/0x280 [ 16.660152][ C1] console_lock_spinning_enable+0x5c/0x60 [ 16.660153][ C1] console_emit_next_record+0x1d1/0x4c0 [ 16.660155][ C1] console_flush_one_record+0x46f/0x710 [ 16.660156][ C1] console_unlock+0xee/0x1f0 [ 16.660158][ C1] vprintk_emit+0x37c/0x3e0 [ 16.660159][ C1] _printk+0xc7/0x100 [ 16.660162][ C1] br_fdb_update.cold+0x74/0x90 [bridge] [ 16.660173][ C1] br_handle_frame_finish+0x801/0x1d20 [bridge] [ 16.660183][ C1] br_handle_frame+0x74d/0xf50 [bridge] [ 16.660189][ C1] __netif_receive_skb_core.constprop.0+0x536/0x2bb0 [ 16.660191][ C1] __netif_receive_skb_list_core+0x2fc/0x9e0 [ 16.660193][ C1] netif_receive_skb_list_internal+0x5f8/0xe20 [ 16.660194][ C1] napi_complete_done+0x1aa/0x8c0 [ 16.660196][ C1] gro_cell_poll+0x337/0x550 [ 16.660199][ C1] __napi_poll+0xd4/0x3b0 [ 16.660201][ C1] net_rx_action+0x513/0xf50 [ 16.660202][ C1] handle_softirqs+0x1d3/0x900 [ 16.660205][ C1] do_softirq+0xac/0xe0 [ 16.660206][ C1] __local_bh_enable_ip+0x118/0x150 [ 16.660207][ C1] __dev_queue_xmit+0x979/0x1b80 [ 16.660208][ C1] ip6_finish_output2+0x423/0x1300 [ 16.660210][ C1] ip6_finish_output+0x646/0xda0 [ 16.660211][ C1] ip6_output+0x23f/0x7f0 [ 16.660212][ C1] ndisc_send_skb+0xba3/0x1520 [ 16.660213][ C1] ndisc_send_ns+0xa9/0x120 [ 16.660214][ C1] addrconf_dad_work+0x6c2/0x930 [ 16.660216][ C1] process_one_work+0xe3e/0x1560 [ 16.660217][ C1] worker_thread+0x4f1/0xd60 [ 16.660219][ C1] kthread+0x367/0x460 [ 16.660220][ C1] ret_from_fork+0x474/0x6b0 [ 16.660221][ C1] ret_from_fork_asm+0x11/0x20 [ 16.660222][ C1] INITIAL USE at: [ 16.660223][ C1] } [ 16.660224][ C1] ... key at: [] console_owner_dep_map+0x0/0x60 [ 16.660227][ C1] ... acquired at: [ 16.660227][ C1] mark_lock+0x1d7/0xa00 [ 16.660229][ C1] mark_usage+0x42/0x170 [ 16.660230][ C1] __lock_acquire+0x388/0xc20 [ 16.660231][ C1] lock_acquire.part.0+0xd4/0x280 [ 16.660232][ C1] console_lock_spinning_enable+0x5c/0x60 [ 16.660234][ C1] console_emit_next_record+0x1d1/0x4c0 [ 16.660235][ C1] console_flush_one_record+0x46f/0x710 [ 16.660237][ C1] console_unlock+0xee/0x1f0 [ 16.660238][ C1] vprintk_emit+0x37c/0x3e0 [ 16.660240][ C1] _printk+0xc7/0x100 [ 16.660241][ C1] br_fdb_update.cold+0x74/0x90 [bridge] [ 16.660248][ C1] br_handle_frame_finish+0x801/0x1d20 [bridge] [ 16.660254][ C1] br_handle_frame+0x74d/0xf50 [bridge] [ 16.660259][ C1] __netif_receive_skb_core.constprop.0+0x536/0x2bb0 [ 16.660261][ C1] __netif_receive_skb_list_core+0x2fc/0x9e0 [ 16.660262][ C1] netif_receive_skb_list_internal+0x5f8/0xe20 [ 16.660264][ C1] napi_complete_done+0x1aa/0x8c0 [ 16.660265][ C1] gro_cell_poll+0x337/0x550 [ 16.660267][ C1] __napi_poll+0xd4/0x3b0 [ 16.660268][ C1] net_rx_action+0x513/0xf50 [ 16.660270][ C1] handle_softirqs+0x1d3/0x900 [ 16.660271][ C1] do_softirq+0xac/0xe0 [ 16.660272][ C1] __local_bh_enable_ip+0x118/0x150 [ 16.660273][ C1] __dev_queue_xmit+0x979/0x1b80 [ 16.660274][ C1] ip6_finish_output2+0x423/0x1300 [ 16.660276][ C1] ip6_finish_output+0x646/0xda0 [ 16.660277][ C1] ip6_output+0x23f/0x7f0 [ 16.660278][ C1] ndisc_send_skb+0xba3/0x1520 [ 16.660279][ C1] ndisc_send_ns+0xa9/0x120 [ 16.660280][ C1] addrconf_dad_work+0x6c2/0x930 [ 16.660282][ C1] process_one_work+0xe3e/0x1560 [ 16.660283][ C1] worker_thread+0x4f1/0xd60 [ 16.660284][ C1] kthread+0x367/0x460 [ 16.660286][ C1] ret_from_fork+0x474/0x6b0 [ 16.660287][ C1] ret_from_fork_asm+0x11/0x20 [ 16.660288][ C1] [ 16.660288][ C1] [ 16.660288][ C1] stack backtrace: [ 16.660291][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.660294][ C1] Tainted: [W]=WARN [ 16.660295][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.660297][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 16.660300][ C1] Call Trace: [ 16.660301][ C1] [ 16.660303][ C1] dump_stack_lvl+0x6f/0xa0 [ 16.660306][ C1] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 16.660309][ C1] mark_lock_irq+0x989/0x9c0 [ 16.660311][ C1] mark_lock+0x1d7/0xa00 [ 16.660313][ C1] mark_usage+0x42/0x170 [ 16.660315][ C1] __lock_acquire+0x388/0xc20 [ 16.660317][ C1] lock_acquire.part.0+0xd4/0x280 [ 16.660318][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 16.660320][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660324][ C1] ? lock_acquire+0x13c/0x160 [ 16.660326][ C1] console_lock_spinning_enable+0x5c/0x60 [ 16.660327][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 16.660329][ C1] console_emit_next_record+0x1d1/0x4c0 [ 16.660331][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 16.660332][ C1] ? console_flush_one_record+0x106/0x710 [ 16.660334][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660336][ C1] ? lock_acquire+0x13c/0x160 [ 16.660338][ C1] console_flush_one_record+0x46f/0x710 [ 16.660340][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 16.660342][ C1] ? __lock_acquire+0x518/0xc20 [ 16.660344][ C1] console_unlock+0xee/0x1f0 [ 16.660345][ C1] ? console_flush_one_record+0x710/0x710 [ 16.660347][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660349][ C1] ? lock_acquire+0x60/0x160 [ 16.660351][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.660352][ C1] ? vprintk_emit+0x320/0x3e0 [ 16.660354][ C1] vprintk_emit+0x37c/0x3e0 [ 16.660356][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 16.660358][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 16.660360][ C1] _printk+0xc7/0x100 [ 16.660362][ C1] ? snapshot_read.cold+0x21/0x21 [ 16.660363][ C1] ? ___ratelimit+0x4e7/0xa00 [ 16.660367][ C1] ? fdb_notify.isra.0+0x120/0x120 [bridge] [ 16.660373][ C1] ? idr_get_free+0x830/0x830 [ 16.660375][ C1] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.660385][ C1] ? validate_chain+0x38b/0xc20 [ 16.660387][ C1] br_fdb_update.cold+0x74/0x90 [bridge] [ 16.660394][ C1] ? br_fdb_add_local+0x60/0x60 [bridge] [ 16.660400][ C1] ? __allowed_ingress+0x58c/0xcc0 [bridge] [ 16.660409][ C1] ? br_allowed_ingress+0x6c/0x150 [bridge] [ 16.660415][ C1] br_handle_frame_finish+0x801/0x1d20 [bridge] [ 16.660427][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 16.660429][ C1] ? br_handle_local_finish+0x20/0x20 [bridge] [ 16.660435][ C1] ? vxlan_rcv+0x1192/0x2f70 [vxlan] [ 16.660440][ C1] ? mark_usage+0x61/0x170 [ 16.660442][ C1] ? __lock_acquire+0x518/0xc20 [ 16.660444][ C1] br_handle_frame+0x74d/0xf50 [bridge] [ 16.660450][ C1] ? br_handle_frame_finish+0x1d20/0x1d20 [bridge] [ 16.660457][ C1] __netif_receive_skb_core.constprop.0+0x536/0x2bb0 [ 16.660459][ C1] ? __udp4_lib_lookup+0x5f1/0x820 [ 16.660462][ C1] ? encap_bypass_if_local+0x270/0x270 [vxlan] [ 16.660466][ C1] ? udp_queue_rcv_one_skb+0x645/0xb00 [ 16.660467][ C1] ? do_xdp_generic+0x4a0/0x4a0 [ 16.660469][ C1] ? udp_unicast_rcv_skb+0x366/0x450 [ 16.660471][ C1] ? udp_rcv+0xaa1/0x1d90 [ 16.660473][ C1] ? __lock_acquire+0x518/0xc20 [ 16.660474][ C1] ? udp_sk_rx_dst_set+0x90/0x90 [ 16.660476][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 16.660478][ C1] ? find_held_lock+0x2b/0x80 [ 16.660479][ C1] __netif_receive_skb_list_core+0x2fc/0x9e0 [ 16.660482][ C1] ? __netif_receive_skb_core.constprop.0+0x2bb0/0x2bb0 [ 16.660484][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 16.660485][ C1] ? netif_receive_skb_list_internal+0x2f8/0xe20 [ 16.660487][ C1] ? lock_acquire+0x13c/0x160 [ 16.660489][ C1] netif_receive_skb_list_internal+0x5f8/0xe20 [ 16.660491][ C1] ? mark_usage+0x61/0x170 [ 16.660492][ C1] ? process_backlog+0x14c0/0x14c0 [ 16.660494][ C1] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.660496][ C1] ? validate_chain+0x38b/0xc20 [ 16.660498][ C1] ? __lock_acquire+0x518/0xc20 [ 16.660499][ C1] napi_complete_done+0x1aa/0x8c0 [ 16.660501][ C1] ? find_held_lock+0x2b/0x80 [ 16.660503][ C1] ? netif_receive_skb_list+0x50/0x50 [ 16.660504][ C1] ? gro_cell_poll+0x31e/0x550 [ 16.660507][ C1] gro_cell_poll+0x337/0x550 [ 16.660509][ C1] __napi_poll+0xd4/0x3b0 [ 16.660511][ C1] net_rx_action+0x513/0xf50 [ 16.660514][ C1] ? __napi_poll+0x3b0/0x3b0 [ 16.660515][ C1] ? validate_chain+0x38b/0xc20 [ 16.660518][ C1] ? do_raw_spin_lock+0x131/0x280 [ 16.660520][ C1] ? __rwlock_init+0x150/0x150 [ 16.660521][ C1] ? mark_held_locks+0x40/0x70 [ 16.660523][ C1] handle_softirqs+0x1d3/0x900 [ 16.660525][ C1] ? _local_bh_enable+0xc0/0xc0 [ 16.660526][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 16.660528][ C1] ? _raw_spin_unlock+0x2d/0x50 [ 16.660530][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 16.660532][ C1] do_softirq+0xac/0xe0 [ 16.660533][ C1] [ 16.660534][ C1] [ 16.660534][ C1] __local_bh_enable_ip+0x118/0x150 [ 16.660536][ C1] __dev_queue_xmit+0x979/0x1b80 [ 16.660537][ C1] ? __lock_acquire+0x518/0xc20 [ 16.660539][ C1] ? __asan_memcpy+0x3c/0x60 [ 16.660542][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 16.660544][ C1] ? vlan_dev_hard_header+0x332/0x4f0 [8021q] [ 16.660546][ C1] ? mark_held_locks+0x40/0x70 [ 16.660548][ C1] ? neigh_resolve_output.part.0+0x344/0x740 [ 16.660551][ C1] ip6_finish_output2+0x423/0x1300 [ 16.660553][ C1] ? ip6_dst_lookup+0x80/0x80 [ 16.660554][ C1] ? find_held_lock+0x2b/0x80 [ 16.660555][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 16.660557][ C1] ? ip6_mtu+0x15d/0x310 [ 16.660559][ C1] ip6_finish_output+0x646/0xda0 [ 16.660561][ C1] ip6_output+0x23f/0x7f0 [ 16.660563][ C1] ? ip6_finish_output+0xda0/0xda0 [ 16.660564][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 16.660565][ C1] ? find_held_lock+0x2b/0x80 [ 16.660567][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 16.660568][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 16.660570][ C1] ndisc_send_skb+0xba3/0x1520 [ 16.660572][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 16.660575][ C1] ? trace_hardirqs_off+0xd/0x30 [ 16.660577][ C1] ? try_to_grab_pending+0x77/0x840 [ 16.660579][ C1] ? mark_held_locks+0x40/0x70 [ 16.660581][ C1] ndisc_send_ns+0xa9/0x120 [ 16.660582][ C1] ? find_held_lock+0x2b/0x80 [ 16.660583][ C1] ? ndisc_router_discovery+0x2ab0/0x2ab0 [ 16.660584][ C1] ? __rwlock_init+0x150/0x150 [ 16.660586][ C1] ? mark_held_locks+0x40/0x70 [ 16.660587][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 16.660589][ C1] addrconf_dad_work+0x6c2/0x930 [ 16.660591][ C1] ? addrconf_dad_begin+0x540/0x540 [ 16.660593][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660595][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660597][ C1] ? lock_acquire+0x13c/0x160 [ 16.660598][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660600][ C1] process_one_work+0xe3e/0x1560 [ 16.660603][ C1] ? __queue_delayed_work+0x470/0x470 [ 16.660604][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 16.660607][ C1] worker_thread+0x4f1/0xd60 [ 16.660610][ C1] ? rescuer_thread+0x1340/0x1340 [ 16.660611][ C1] kthread+0x367/0x460 [ 16.660613][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 16.660614][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 16.660616][ C1] ret_from_fork+0x474/0x6b0 [ 16.660617][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 16.660619][ C1] ? __switch_to+0x5a3/0xe00 [ 16.660622][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 16.660623][ C1] ret_from_fork_asm+0x11/0x20 [ 16.660626][ C1] [ 16.660630][ C1] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.660631][ C1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 16.660633][ C1] preempt_count: 102, expected: 0 [ 16.660633][ C1] RCU nest depth: 3, expected: 0 [ 16.660634][ C1] INFO: lockdep is turned off. [ 16.660635][ C1] irq event stamp: 20793 [ 16.660635][ C1] hardirqs last enabled at (20792): [] __down_trylock_console_sem+0x86/0xa0 [ 16.660638][ C1] hardirqs last disabled at (20793): [] console_emit_next_record+0x3d4/0x4c0 [ 16.660639][ C1] softirqs last enabled at (20736): [] __dev_queue_xmit+0x964/0x1b80 [ 16.660641][ C1] softirqs last disabled at (20737): [] do_softirq+0xac/0xe0 [ 16.660643][ C1] Preemption disabled at: [ 16.660643][ C1] [] __dev_queue_xmit+0x204/0x1b80 [ 16.660646][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.660648][ C1] Tainted: [W]=WARN [ 16.660648][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.660649][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 16.660651][ C1] Call Trace: [ 16.660651][ C1] [ 16.660652][ C1] dump_stack_lvl+0x6f/0xa0 [ 16.660654][ C1] ? __dev_queue_xmit+0x204/0x1b80 [ 16.660656][ C1] __might_resched.cold+0x1fe/0x2c1 [ 16.660658][ C1] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.660661][ C1] ? nbcon_get_cpu_emergency_nesting+0xa/0x30 [ 16.660663][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660665][ C1] __kmalloc_noprof+0x443/0x760 [ 16.660667][ C1] ? __rwlock_init+0x150/0x150 [ 16.660668][ C1] ? alloc_buf.isra.0+0x4b/0x260 [ 16.660670][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 16.660672][ C1] alloc_buf.isra.0+0x4b/0x260 [ 16.660674][ C1] put_chars+0x1e1/0x2f0 [ 16.660675][ C1] ? __send_to_port+0x420/0x420 [ 16.660677][ C1] ? mark_lock+0x1d7/0xa00 [ 16.660679][ C1] hvc_console_print+0x292/0x780 [ 16.660681][ C1] ? hvc_write+0x3a0/0x3a0 [ 16.660683][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660684][ C1] ? lock_acquire+0x13c/0x160 [ 16.660686][ C1] console_emit_next_record+0x22f/0x4c0 [ 16.660688][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 16.660690][ C1] ? console_flush_one_record+0x106/0x710 [ 16.660692][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660693][ C1] ? lock_acquire+0x13c/0x160 [ 16.660695][ C1] console_flush_one_record+0x46f/0x710 [ 16.660697][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 16.660699][ C1] ? __lock_acquire+0x518/0xc20 [ 16.660701][ C1] console_unlock+0xee/0x1f0 [ 16.660703][ C1] ? console_flush_one_record+0x710/0x710 [ 16.660704][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660706][ C1] ? lock_acquire+0x60/0x160 [ 16.660708][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.660709][ C1] ? vprintk_emit+0x320/0x3e0 [ 16.660711][ C1] vprintk_emit+0x37c/0x3e0 [ 16.660713][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 16.660715][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 16.660717][ C1] _printk+0xc7/0x100 [ 16.660719][ C1] ? snapshot_read.cold+0x21/0x21 [ 16.660720][ C1] ? ___ratelimit+0x4e7/0xa00 [ 16.660723][ C1] ? fdb_notify.isra.0+0x120/0x120 [bridge] [ 16.660729][ C1] ? idr_get_free+0x830/0x830 [ 16.660730][ C1] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.660732][ C1] ? validate_chain+0x38b/0xc20 [ 16.660734][ C1] br_fdb_update.cold+0x74/0x90 [bridge] [ 16.660740][ C1] ? br_fdb_add_local+0x60/0x60 [bridge] [ 16.660747][ C1] ? __allowed_ingress+0x58c/0xcc0 [bridge] [ 16.660753][ C1] ? br_allowed_ingress+0x6c/0x150 [bridge] [ 16.660759][ C1] br_handle_frame_finish+0x801/0x1d20 [bridge] [ 16.660765][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 16.660767][ C1] ? br_handle_local_finish+0x20/0x20 [bridge] [ 16.660773][ C1] ? vxlan_rcv+0x1192/0x2f70 [vxlan] [ 16.660776][ C1] ? mark_usage+0x61/0x170 [ 16.660778][ C1] ? __lock_acquire+0x518/0xc20 [ 16.660780][ C1] br_handle_frame+0x74d/0xf50 [bridge] [ 16.660786][ C1] ? br_handle_frame_finish+0x1d20/0x1d20 [bridge] [ 16.660792][ C1] __netif_receive_skb_core.constprop.0+0x536/0x2bb0 [ 16.660795][ C1] ? __udp4_lib_lookup+0x5f1/0x820 [ 16.660797][ C1] ? encap_bypass_if_local+0x270/0x270 [vxlan] [ 16.660800][ C1] ? udp_queue_rcv_one_skb+0x645/0xb00 [ 16.660801][ C1] ? do_xdp_generic+0x4a0/0x4a0 [ 16.660803][ C1] ? udp_unicast_rcv_skb+0x366/0x450 [ 16.660805][ C1] ? udp_rcv+0xaa1/0x1d90 [ 16.660807][ C1] ? __lock_acquire+0x518/0xc20 [ 16.660808][ C1] ? udp_sk_rx_dst_set+0x90/0x90 [ 16.660810][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 16.660811][ C1] ? find_held_lock+0x2b/0x80 [ 16.660813][ C1] __netif_receive_skb_list_core+0x2fc/0x9e0 [ 16.660815][ C1] ? __netif_receive_skb_core.constprop.0+0x2bb0/0x2bb0 [ 16.660817][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 16.660819][ C1] ? netif_receive_skb_list_internal+0x2f8/0xe20 [ 16.660821][ C1] ? lock_acquire+0x13c/0x160 [ 16.660822][ C1] netif_receive_skb_list_internal+0x5f8/0xe20 [ 16.660824][ C1] ? mark_usage+0x61/0x170 [ 16.660826][ C1] ? process_backlog+0x14c0/0x14c0 [ 16.660828][ C1] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.660829][ C1] ? validate_chain+0x38b/0xc20 [ 16.660831][ C1] ? __lock_acquire+0x518/0xc20 [ 16.660833][ C1] napi_complete_done+0x1aa/0x8c0 [ 16.660834][ C1] ? find_held_lock+0x2b/0x80 [ 16.660836][ C1] ? netif_receive_skb_list+0x50/0x50 [ 16.660838][ C1] ? gro_cell_poll+0x31e/0x550 [ 16.660840][ C1] gro_cell_poll+0x337/0x550 [ 16.660842][ C1] __napi_poll+0xd4/0x3b0 [ 16.660844][ C1] net_rx_action+0x513/0xf50 [ 16.660847][ C1] ? __napi_poll+0x3b0/0x3b0 [ 16.660848][ C1] ? validate_chain+0x38b/0xc20 [ 16.660851][ C1] ? do_raw_spin_lock+0x131/0x280 [ 16.660853][ C1] ? __rwlock_init+0x150/0x150 [ 16.660854][ C1] ? mark_held_locks+0x40/0x70 [ 16.660856][ C1] handle_softirqs+0x1d3/0x900 [ 16.660858][ C1] ? _local_bh_enable+0xc0/0xc0 [ 16.660859][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 16.660861][ C1] ? _raw_spin_unlock+0x2d/0x50 [ 16.660862][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 16.660864][ C1] do_softirq+0xac/0xe0 [ 16.660865][ C1] [ 16.660866][ C1] [ 16.660866][ C1] __local_bh_enable_ip+0x118/0x150 [ 16.660868][ C1] __dev_queue_xmit+0x979/0x1b80 [ 16.660870][ C1] ? __lock_acquire+0x518/0xc20 [ 16.660872][ C1] ? __asan_memcpy+0x3c/0x60 [ 16.660873][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 16.660875][ C1] ? vlan_dev_hard_header+0x332/0x4f0 [8021q] [ 16.660877][ C1] ? mark_held_locks+0x40/0x70 [ 16.660878][ C1] ? neigh_resolve_output.part.0+0x344/0x740 [ 16.660881][ C1] ip6_finish_output2+0x423/0x1300 [ 16.660883][ C1] ? ip6_dst_lookup+0x80/0x80 [ 16.660884][ C1] ? find_held_lock+0x2b/0x80 [ 16.660885][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 16.660887][ C1] ? ip6_mtu+0x15d/0x310 [ 16.660889][ C1] ip6_finish_output+0x646/0xda0 [ 16.660890][ C1] ip6_output+0x23f/0x7f0 [ 16.660892][ C1] ? ip6_finish_output+0xda0/0xda0 [ 16.660893][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 16.660895][ C1] ? find_held_lock+0x2b/0x80 [ 16.660896][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 16.660897][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 16.660899][ C1] ndisc_send_skb+0xba3/0x1520 [ 16.660902][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 16.660904][ C1] ? trace_hardirqs_off+0xd/0x30 [ 16.660905][ C1] ? try_to_grab_pending+0x77/0x840 [ 16.660907][ C1] ? mark_held_locks+0x40/0x70 [ 16.660909][ C1] ndisc_send_ns+0xa9/0x120 [ 16.660910][ C1] ? find_held_lock+0x2b/0x80 [ 16.660911][ C1] ? ndisc_router_discovery+0x2ab0/0x2ab0 [ 16.660912][ C1] ? __rwlock_init+0x150/0x150 [ 16.660914][ C1] ? mark_held_locks+0x40/0x70 [ 16.660915][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 16.660917][ C1] addrconf_dad_work+0x6c2/0x930 [ 16.660919][ C1] ? addrconf_dad_begin+0x540/0x540 [ 16.660921][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660923][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660924][ C1] ? lock_acquire+0x13c/0x160 [ 16.660926][ C1] ? rcu_is_watching+0x16/0xd0 [ 16.660928][ C1] process_one_work+0xe3e/0x1560 [ 16.660930][ C1] ? __queue_delayed_work+0x470/0x470 [ 16.660932][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 16.660935][ C1] worker_thread+0x4f1/0xd60 [ 16.660938][ C1] ? rescuer_thread+0x1340/0x1340 [ 16.660939][ C1] kthread+0x367/0x460 [ 16.660941][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 16.660942][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 16.660943][ C1] ret_from_fork+0x474/0x6b0 [ 16.660945][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 16.660947][ C1] ? __switch_to+0x5a3/0xe00 [ 16.660948][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 16.660950][ C1] ret_from_fork_asm+0x11/0x20 [ 16.660952][ C1] [ 16.754745][ C1] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 17.139758][ C0] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 17.140353][ C0] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 17.140721][ C0] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 17.141201][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 33.585764][ T625] GACT probability NOT on [ 33.585777][ T625] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 33.585780][ T625] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 625, name: modprobe [ 33.585782][ T625] preempt_count: 1, expected: 0 [ 33.585783][ T625] RCU nest depth: 0, expected: 0 [ 33.585784][ T625] INFO: lockdep is turned off. [ 33.585785][ T625] irq event stamp: 0 [ 33.585786][ T625] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.585790][ T625] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 33.585796][ T625] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 33.585797][ T625] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.585799][ T625] Preemption disabled at: [ 33.585799][ T625] [] vprintk_emit+0x31b/0x3e0 [ 33.585807][ T625] CPU: 0 UID: 0 PID: 625 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 33.585810][ T625] Tainted: [W]=WARN [ 33.585811][ T625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.585813][ T625] Call Trace: [ 33.585814][ T625] [ 33.585816][ T625] dump_stack_lvl+0x6f/0xa0 [ 33.585821][ T625] ? vprintk_emit+0x31b/0x3e0 [ 33.585823][ T625] __might_resched.cold+0x1fe/0x2c1 [ 33.585827][ T625] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 33.585830][ T625] ? rcu_is_watching+0x16/0xd0 [ 33.585834][ T625] __kmalloc_noprof+0x443/0x760 [ 33.585837][ T625] ? __rwlock_init+0x150/0x150 [ 33.585840][ T625] ? alloc_buf.isra.0+0x4b/0x260 [ 33.585843][ T625] ? do_raw_spin_unlock+0x59/0x250 [ 33.585845][ T625] alloc_buf.isra.0+0x4b/0x260 [ 33.585847][ T625] put_chars+0x1e1/0x2f0 [ 33.585849][ T625] ? desc_read_finalized_seq+0x79/0x120 [ 33.585851][ T625] ? __send_to_port+0x420/0x420 [ 33.585853][ T625] ? console_prepend_replay+0x20/0x20 [ 33.585855][ T625] hvc_console_print+0x292/0x780 [ 33.585858][ T625] ? hvc_write+0x3a0/0x3a0 [ 33.585859][ T625] ? do_raw_spin_lock+0x131/0x280 [ 33.585861][ T625] ? __rwlock_init+0x150/0x150 [ 33.585862][ T625] ? rcu_is_watching+0x16/0xd0 [ 33.585864][ T625] ? rcu_is_watching+0x16/0xd0 [ 33.585866][ T625] ? lock_acquire+0x13c/0x160 [ 33.585868][ T625] console_emit_next_record+0x22f/0x4c0 [ 33.585870][ T625] ? devkmsg_read+0x4b0/0x4b0 [ 33.585872][ T625] ? rcu_is_watching+0x16/0xd0 [ 33.585874][ T625] ? rcu_is_watching+0x16/0xd0 [ 33.585875][ T625] ? rcu_is_watching+0x16/0xd0 [ 33.585877][ T625] ? lock_acquire+0x13c/0x160 [ 33.585879][ T625] ? console_flush_one_record+0x111/0x710 [ 33.585880][ T625] console_flush_one_record+0x46f/0x710 [ 33.585883][ T625] ? console_emit_next_record+0x4c0/0x4c0 [ 33.585885][ T625] console_unlock+0xee/0x1f0 [ 33.585887][ T625] ? lock_acquire+0x13c/0x160 [ 33.585888][ T625] ? console_flush_one_record+0x710/0x710 [ 33.585890][ T625] ? rcu_is_watching+0x16/0xd0 [ 33.585891][ T625] ? lock_release+0x184/0x1f0 [ 33.585893][ T625] ? lock_acquire+0x60/0x160 [ 33.585894][ T625] ? __rcu_read_lock+0x30/0x70 [ 33.585896][ T625] ? __down_trylock_console_sem+0x5e/0xa0 [ 33.585898][ T625] ? vprintk_emit+0x320/0x3e0 [ 33.585900][ T625] vprintk_emit+0x37c/0x3e0 [ 33.585903][ T625] ? wake_up_klogd_work_func+0x90/0x90 [ 33.585906][ T625] ? llc_exit+0x3e0/0x3e0 [llc] [ 33.585908][ T625] _printk+0xc7/0x100 [ 33.585911][ T625] ? snapshot_read.cold+0x21/0x21 [ 33.585914][ T625] ? do_one_initcall+0x113/0x4f0 [ 33.585916][ T625] gact_init_module+0x15/0x1000 [act_gact] [ 33.585918][ T625] do_one_initcall+0x124/0x4f0 [ 33.585920][ T625] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 33.585922][ T625] ? do_init_module+0xae/0x8a0 [ 33.585926][ T625] ? kasan_unpoison+0x44/0x70 [ 33.585928][ T625] do_init_module+0x2ad/0x8a0 [ 33.585931][ T625] ? free_module+0x470/0x470 [ 33.585933][ T625] ? kfree+0x123/0x590 [ 33.585935][ T625] load_module+0x1424/0x1bb0 [ 33.585938][ T625] ? layout_and_allocate.isra.0+0x680/0x680 [ 33.585940][ T625] ? __ia32_sys_fsconfig+0x180/0x180 [ 33.585942][ T625] ? ovl_real_file+0x172/0x1e0 [ 33.585946][ T625] ? backing_file_read_iter+0x541/0x790 [ 33.585949][ T625] init_module_from_file+0x11f/0x1a0 [ 33.585951][ T625] ? __do_sys_init_module+0x220/0x220 [ 33.585953][ T625] ? ovl_mmap+0x270/0x270 [ 33.585955][ T625] ? __rwlock_init+0x150/0x150 [ 33.585957][ T625] ? rcu_is_watching+0x16/0xd0 [ 33.585959][ T625] ? lock_release+0x184/0x1f0 [ 33.585960][ T625] ? do_raw_spin_unlock+0x59/0x250 [ 33.585962][ T625] idempotent_init_module+0x37b/0x7c0 [ 33.585964][ T625] ? init_module_from_file+0x1a0/0x1a0 [ 33.585967][ T625] ? rcu_is_watching+0x16/0xd0 [ 33.585969][ T625] ? cap_capable+0x1d7/0x3d0 [ 33.585973][ T625] __x64_sys_finit_module+0xdf/0x190 [ 33.585975][ T625] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 33.585977][ T625] do_syscall_64+0xff/0x530 [ 33.585980][ T625] ? exc_page_fault+0xee/0x100 [ 33.585982][ T625] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.585984][ T625] RIP: 0033:0x7f49a44b537d [ 33.585986][ T625] 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 [ 33.585988][ T625] RSP: 002b:00007fff3e659188 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 33.585991][ T625] RAX: ffffffffffffffda RBX: 000055d2c2bdc810 RCX: 00007f49a44b537d [ 33.585993][ T625] RDX: 0000000000000000 RSI: 000055d2bc9aaffd RDI: 0000000000000000 [ 33.585994][ T625] RBP: 00007fff3e659220 R08: 0000000000000000 R09: 0000000000000000 [ 33.585995][ T625] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d2bc9aaffd [ 33.585995][ T625] R13: 000055d2c2bdc960 R14: 0000000000040000 R15: 0000000000000000 [ 33.585998][ T625] [ 34.671028][ T12] w3: left allmulticast mode [ 34.671043][ T12] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 34.671046][ T12] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 34.671048][ T12] preempt_count: 1, expected: 0 [ 34.671049][ T12] RCU nest depth: 0, expected: 0 [ 34.671049][ T12] INFO: lockdep is turned off. [ 34.671050][ T12] irq event stamp: 20793 [ 34.671051][ T12] hardirqs last enabled at (20792): [] __down_trylock_console_sem+0x86/0xa0 [ 34.671060][ T12] hardirqs last disabled at (20793): [] console_emit_next_record+0x3d4/0x4c0 [ 34.671063][ T12] softirqs last enabled at (20736): [] __dev_queue_xmit+0x964/0x1b80 [ 34.671067][ T12] softirqs last disabled at (20737): [] do_softirq+0xac/0xe0 [ 34.671070][ T12] Preemption disabled at: [ 34.671071][ T12] [] vprintk_emit+0x31b/0x3e0 [ 34.671077][ T12] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 34.671081][ T12] Tainted: [W]=WARN [ 34.671082][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.671084][ T12] Workqueue: netns cleanup_net [ 34.671089][ T12] Call Trace: [ 34.671091][ T12] [ 34.671092][ T12] dump_stack_lvl+0x6f/0xa0 [ 34.671097][ T12] ? vprintk_emit+0x31b/0x3e0 [ 34.671099][ T12] __might_resched.cold+0x1fe/0x2c1 [ 34.671103][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 34.671106][ T12] ? rcu_is_watching+0x16/0xd0 [ 34.671110][ T12] __kmalloc_noprof+0x443/0x760 [ 34.671113][ T12] ? __rwlock_init+0x150/0x150 [ 34.671116][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 34.671119][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 34.671121][ T12] alloc_buf.isra.0+0x4b/0x260 [ 34.671123][ T12] put_chars+0x1e1/0x2f0 [ 34.671125][ T12] ? desc_read_finalized_seq+0x79/0x120 [ 34.671126][ T12] ? __send_to_port+0x420/0x420 [ 34.671129][ T12] ? console_prepend_replay+0x20/0x20 [ 34.671131][ T12] hvc_console_print+0x292/0x780 [ 34.671134][ T12] ? hvc_write+0x3a0/0x3a0 [ 34.671135][ T12] ? do_raw_spin_lock+0x131/0x280 [ 34.671137][ T12] ? __rwlock_init+0x150/0x150 [ 34.671138][ T12] ? rcu_is_watching+0x16/0xd0 [ 34.671140][ T12] ? rcu_is_watching+0x16/0xd0 [ 34.671142][ T12] ? lock_acquire+0x13c/0x160 [ 34.671144][ T12] console_emit_next_record+0x22f/0x4c0 [ 34.671146][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 34.671148][ T12] ? rcu_is_watching+0x16/0xd0 [ 34.671150][ T12] ? rcu_is_watching+0x16/0xd0 [ 34.671151][ T12] ? rcu_is_watching+0x16/0xd0 [ 34.671153][ T12] ? lock_acquire+0x13c/0x160 [ 34.671155][ T12] ? console_flush_one_record+0x111/0x710 [ 34.671157][ T12] console_flush_one_record+0x46f/0x710 [ 34.671159][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 34.671162][ T12] console_unlock+0xee/0x1f0 [ 34.671163][ T12] ? lock_acquire+0x13c/0x160 [ 34.671165][ T12] ? console_flush_one_record+0x710/0x710 [ 34.671167][ T12] ? rcu_is_watching+0x16/0xd0 [ 34.671168][ T12] ? lock_release+0x184/0x1f0 [ 34.671170][ T12] ? lock_acquire+0x60/0x160 [ 34.671171][ T12] ? __rcu_read_lock+0x30/0x70 [ 34.671173][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 34.671174][ T12] ? vprintk_emit+0x320/0x3e0 [ 34.671176][ T12] vprintk_emit+0x37c/0x3e0 [ 34.671179][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 34.671181][ T12] ? process_one_work+0xe3e/0x1560 [ 34.671183][ T12] ? kthread+0x367/0x460 [ 34.671185][ T12] ? ret_from_fork+0x474/0x6b0 [ 34.671188][ T12] ? ret_from_fork_asm+0x11/0x20 [ 34.671190][ T12] _printk+0xc7/0x100 [ 34.671193][ T12] ? snapshot_read.cold+0x21/0x21 [ 34.671196][ T12] ? netdev_name+0x43/0x60 [ 34.671198][ T12] ? __netdev_printk+0x17f/0x1d0 [ 34.671200][ T12] netdev_info+0xe2/0x116 [ 34.671202][ T12] ? netdev_notice+0x120/0x120 [ 34.671204][ T12] ? rcu_is_watching+0x16/0xd0 [ 34.671206][ T12] ? __up_read+0x355/0x9e0 [ 34.671208][ T12] ? trace_hardirqs_on+0x36/0x40 [ 34.671210][ T12] ? down_write_nested+0x200/0x200 [ 34.671211][ T12] ? mutex_is_locked+0x1c/0x50 [ 34.671214][ T12] netif_set_allmulti.cold+0x7c/0x166 [ 34.671217][ T12] dev_set_allmulti+0xa2/0x150 [ 34.671219][ T12] del_nbp+0xb7/0xc10 [bridge] [ 34.671232][ T12] br_dev_delete+0x9d/0x1e0 [bridge] [ 34.671240][ T12] br_net_exit_rtnl+0xb8/0x110 [bridge] [ 34.671247][ T12] ops_undo_list+0x5be/0x8f0 [ 34.671249][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0 [ 34.671251][ T12] ? idr_destroy+0x121/0x250 [ 34.671255][ T12] cleanup_net+0x431/0x890 [ 34.671257][ T12] ? net_passive_dec+0x230/0x230 [ 34.671259][ T12] ? lock_acquire+0x13c/0x160 [ 34.671260][ T12] ? rcu_is_watching+0x16/0xd0 [ 34.671262][ T12] process_one_work+0xe3e/0x1560 [ 34.671265][ T12] ? __queue_delayed_work+0x470/0x470 [ 34.671267][ T12] ? __rwlock_init+0x150/0x150 [ 34.671270][ T12] worker_thread+0x4f1/0xd60 [ 34.671272][ T12] ? rescuer_thread+0x1340/0x1340 [ 34.671274][ T12] kthread+0x367/0x460 [ 34.671275][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 34.671277][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 34.671278][ T12] ret_from_fork+0x474/0x6b0 [ 34.671280][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 34.671282][ T12] ? __switch_to+0x5a3/0xe00 [ 34.671285][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 34.671286][ T12] ret_from_fork_asm+0x11/0x20 [ 34.671289][ T12] [ 34.684876][ T12] w3: left promiscuous mode [ 34.685080][ T12] br1: port 4(w3) entered disabled state [ 34.685783][ T12] w1: left allmulticast mode [ 34.685939][ T12] w1: left promiscuous mode [ 34.686130][ T12] br1: port 3(w1) entered disabled state [ 34.692028][ T12] vx20: left allmulticast mode [ 34.692181][ T12] vx20: left promiscuous mode [ 34.692367][ T12] br1: port 2(vx20) entered disabled state [ 34.693386][ T12] vx10: left allmulticast mode [ 34.693996][ T12] vx10: left promiscuous mode [ 34.694186][ T12] br1: port 1(vx10) entered disabled state [ 35.075547][ T64] br1: left promiscuous mode [ 35.207869][ T764] br1: port 4(veth2) entered disabled state [ 35.229629][ T765] veth2: left allmulticast mode [ 35.229822][ T765] veth2: left promiscuous mode [ 35.230034][ T765] br1: port 4(veth2) entered disabled state [ 35.271313][ T767] br1: port 3(veth1) entered disabled state [ 35.288659][ T768] veth1: left allmulticast mode [ 35.288903][ T768] veth1: left promiscuous mode [ 35.289195][ T768] br1: port 3(veth1) entered disabled state [ 35.333124][ T770] vx20: left allmulticast mode [ 35.333317][ T770] vx20: left promiscuous mode [ 35.333537][ T770] br1: port 2(vx20) entered disabled state [ 35.434326][ T774] vx10: left allmulticast mode [ 35.434555][ T774] vx10: left promiscuous mode [ 35.434824][ T774] br1: port 1(vx10) entered disabled state