[ 9.092871][ T193] ip (193) used greatest stack depth: 23920 bytes left [ 9.092887][ T193] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.092889][ T193] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 193, name: ip [ 9.092891][ T193] preempt_count: 2, expected: 0 [ 9.092892][ T193] RCU nest depth: 0, expected: 0 [ 9.092893][ T193] locks held by ip/193: 5, last CPU#3: [ 9.092895][ T193] #0: ffffffff8b0027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.092907][ T193] #1: ffffffff8b169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.092913][ T193] #2: ffffffff8b169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.092917][ T193] #3: ffffffff8b089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.092921][ T193] #4: ffffffff8b089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.092925][ T193] irq event stamp: 55008 [ 9.092926][ T193] hardirqs last enabled at (55007): [] __down_trylock_console_sem+0x86/0xa0 [ 9.092928][ T193] hardirqs last disabled at (55008): [] console_emit_next_record+0x3d4/0x4c0 [ 9.092930][ T193] softirqs last enabled at (54458): [] handle_softirqs+0x67c/0x900 [ 9.092932][ T193] softirqs last disabled at (54451): [] __irq_exit_rcu+0x145/0x1c0 [ 9.092934][ T193] Preemption disabled at: [ 9.092935][ T193] [<0000000000000000>] 0x0 [ 9.092942][ T193] CPU: 3 UID: 0 PID: 193 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.092945][ T193] Tainted: [W]=WARN [ 9.092946][ T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.092948][ T193] Call Trace: [ 9.092949][ T193] [ 9.092951][ T193] dump_stack_lvl+0x6f/0xa0 [ 9.092957][ T193] __might_resched.cold+0x1fe/0x2c1 [ 9.092962][ T193] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.092966][ T193] ? __kmalloc_noprof+0xdb/0x760 [ 9.092971][ T193] __kmalloc_noprof+0x443/0x760 [ 9.092973][ T193] ? alloc_buf.isra.0+0x4b/0x260 [ 9.092979][ T193] ? do_raw_spin_unlock+0x59/0x250 [ 9.092982][ T193] alloc_buf.isra.0+0x4b/0x260 [ 9.092985][ T193] put_chars+0x1e1/0x2f0 [ 9.092988][ T193] ? __send_to_port+0x420/0x420 [ 9.092989][ T193] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.092994][ T193] ? validate_chain+0x38b/0xc20 [ 9.092999][ T193] hvc_console_print+0x292/0x780 [ 9.093005][ T193] ? hvc_write+0x3a0/0x3a0 [ 9.093007][ T193] ? rcu_is_watching+0x16/0xd0 [ 9.093009][ T193] ? lock_acquire+0x13c/0x160 [ 9.093013][ T193] console_emit_next_record+0x22f/0x4c0 [ 9.093017][ T193] ? devkmsg_read+0x4b0/0x4b0 [ 9.093019][ T193] ? console_flush_one_record+0x106/0x710 [ 9.093022][ T193] ? rcu_is_watching+0x16/0xd0 [ 9.093025][ T193] ? lock_acquire+0x13c/0x160 [ 9.093028][ T193] console_flush_one_record+0x46f/0x710 [ 9.093032][ T193] ? console_emit_next_record+0x4c0/0x4c0 [ 9.093034][ T193] ? __lock_acquire+0x518/0xc20 [ 9.093039][ T193] console_unlock+0xee/0x1f0 [ 9.093042][ T193] ? console_flush_one_record+0x710/0x710 [ 9.093044][ T193] ? rcu_is_watching+0x16/0xd0 [ 9.093046][ T193] ? lock_acquire+0x60/0x160 [ 9.093050][ T193] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.093051][ T193] ? vprintk_emit+0x320/0x3e0 [ 9.093055][ T193] vprintk_emit+0x37c/0x3e0 [ 9.093058][ T193] ? wake_up_klogd_work_func+0x90/0x90 [ 9.093062][ T193] ? __lock_acquire+0x518/0xc20 [ 9.093065][ T193] _printk+0xc7/0x100 [ 9.093069][ T193] ? snapshot_read.cold+0x21/0x21 [ 9.093072][ T193] ? do_raw_spin_lock+0x131/0x280 [ 9.093074][ T193] ? __rwlock_init+0x150/0x150 [ 9.093078][ T193] ? do_raw_spin_lock+0x131/0x280 [ 9.093081][ T193] do_exit.cold+0x82/0x9c [ 9.093085][ T193] ? exit_notify+0x890/0x890 [ 9.093087][ T193] ? __lock_release.isra.0+0x69/0x1a0 [ 9.093089][ T193] ? rcu_is_watching+0x16/0xd0 [ 9.093093][ T193] do_group_exit+0xb8/0x370 [ 9.093096][ T193] __x64_sys_exit_group+0x3c/0x50 [ 9.093098][ T193] x64_sys_call+0x1567/0x1570 [ 9.093100][ T193] do_syscall_64+0xff/0x530 [ 9.093103][ T193] ? exc_page_fault+0xee/0x100 [ 9.093106][ T193] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.093108][ T193] RIP: 0033:0x7fa18e3421b8 [ 9.093111][ T193] Code: Unable to access opcode bytes at 0x7fa18e34218e. [ 9.093112][ T193] RSP: 002b:00007ffcacbee2b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.093114][ T193] RAX: ffffffffffffffda RBX: 00007fa18e472f88 RCX: 00007fa18e3421b8 [ 9.093116][ T193] RDX: 00007fa18e08cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.093117][ T193] RBP: 00007ffcacbee310 R08: 0000000000000000 R09: 0000000000008010 [ 9.093117][ T193] R10: 00007ffcacbee0d0 R11: 0000000000000246 R12: 0000000000000001 [ 9.093118][ T193] R13: 0000000000000000 R14: 00007fa18e471680 R15: 00007fa18e472fa0 [ 9.093125][ T193] [ 9.471323][ T204] br0: port 1(veth1) entered blocking state [ 9.471896][ T204] br0: port 1(veth1) entered disabled state [ 9.472571][ T204] veth1: entered allmulticast mode [ 9.474533][ T204] veth1: entered promiscuous mode [ 9.514902][ T206] br0: port 2(veth3) entered blocking state [ 9.515228][ T206] br0: port 2(veth3) entered disabled state [ 9.515527][ T206] veth3: entered allmulticast mode [ 9.517536][ T206] veth3: entered promiscuous mode [ 9.622020][ T38] br0: port 1(veth1) entered blocking state [ 9.622511][ T38] br0: port 1(veth1) entered forwarding state [ 9.701161][ T39] br0: port 2(veth3) entered blocking state [ 9.701554][ T39] br0: port 2(veth3) entered forwarding state [ 15.112456][ T244] br0: port 2(veth3) entered disabled state [ 15.112506][ T244] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.112507][ T244] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 244, name: ip [ 15.112509][ T244] preempt_count: 202, expected: 0 [ 15.112510][ T244] RCU nest depth: 0, expected: 0 [ 15.112511][ T244] locks held by ip/244: 6, last CPU#0: [ 15.112513][ T244] #0: ffffffff8b8d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 15.112525][ T244] #1: ff1100000ca72e58 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [bridge] [ 15.112540][ T244] #2: ffffffff8b169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.112545][ T244] #3: ffffffff8b169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.112549][ T244] #4: ffffffff8b089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.112553][ T244] #5: ffffffff8b089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.112557][ T244] irq event stamp: 23543 [ 15.112558][ T244] hardirqs last enabled at (23542): [] __down_trylock_console_sem+0x86/0xa0 [ 15.112560][ T244] hardirqs last disabled at (23543): [] console_emit_next_record+0x3d4/0x4c0 [ 15.112562][ T244] softirqs last enabled at (23526): [] ipv6_mc_down+0x134/0x2d0 [ 15.112566][ T244] softirqs last disabled at (23538): [] br_device_event+0x1d7/0x8f0 [bridge] [ 15.112574][ T244] Preemption disabled at: [ 15.112574][ T244] [<0000000000000000>] 0x0 [ 15.112581][ T244] CPU: 0 UID: 0 PID: 244 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.112585][ T244] Tainted: [W]=WARN [ 15.112586][ T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.112587][ T244] Call Trace: [ 15.112588][ T244] [ 15.112590][ T244] dump_stack_lvl+0x6f/0xa0 [ 15.112597][ T244] __might_resched.cold+0x1fe/0x2c1 [ 15.112601][ T244] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.112606][ T244] ? __kmalloc_noprof+0xdb/0x760 [ 15.112611][ T244] __kmalloc_noprof+0x443/0x760 [ 15.112613][ T244] ? alloc_buf.isra.0+0x4b/0x260 [ 15.112619][ T244] ? do_raw_spin_unlock+0x59/0x250 [ 15.112622][ T244] alloc_buf.isra.0+0x4b/0x260 [ 15.112625][ T244] put_chars+0x1e1/0x2f0 [ 15.112628][ T244] ? __send_to_port+0x420/0x420 [ 15.112629][ T244] ? check_prev_add+0xef/0xe90 [ 15.112633][ T244] ? validate_chain+0x34a/0xc20 [ 15.112637][ T244] hvc_console_print+0x292/0x780 [ 15.112640][ T244] ? mark_usage+0x61/0x170 [ 15.112642][ T244] ? __lock_acquire+0x518/0xc20 [ 15.112643][ T244] ? __lock_acquire+0x518/0xc20 [ 15.112647][ T244] ? hvc_write+0x3a0/0x3a0 [ 15.112649][ T244] ? lock_acquire.part.0+0xd4/0x280 [ 15.112653][ T244] ? lock_acquire+0x13c/0x160 [ 15.112657][ T244] console_emit_next_record+0x22f/0x4c0 [ 15.112661][ T244] ? devkmsg_read+0x4b0/0x4b0 [ 15.112663][ T244] ? console_flush_one_record+0x106/0x710 [ 15.112666][ T244] ? rcu_is_watching+0x16/0xd0 [ 15.112670][ T244] ? lock_acquire+0x13c/0x160 [ 15.112674][ T244] console_flush_one_record+0x46f/0x710 [ 15.112678][ T244] ? console_emit_next_record+0x4c0/0x4c0 [ 15.112680][ T244] ? __lock_acquire+0x518/0xc20 [ 15.112685][ T244] console_unlock+0xee/0x1f0 [ 15.112688][ T244] ? console_flush_one_record+0x710/0x710 [ 15.112690][ T244] ? rcu_is_watching+0x16/0xd0 [ 15.112692][ T244] ? lock_acquire+0x60/0x160 [ 15.112696][ T244] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.112697][ T244] ? vprintk_emit+0x320/0x3e0 [ 15.112701][ T244] vprintk_emit+0x37c/0x3e0 [ 15.112705][ T244] ? wake_up_klogd_work_func+0x90/0x90 [ 15.112707][ T244] ? mark_held_locks+0x40/0x70 [ 15.112709][ T244] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.112712][ T244] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.112716][ T244] _printk+0xc7/0x100 [ 15.112720][ T244] ? snapshot_read.cold+0x21/0x21 [ 15.112728][ T244] br_set_state+0x22f/0x430 [bridge] [ 15.112738][ T244] br_stp_disable_port+0x11f/0x390 [bridge] [ 15.112748][ T244] br_device_event+0x7b5/0x8f0 [bridge] [ 15.112755][ T244] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 15.112761][ T244] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 15.112768][ T244] notifier_call_chain+0xae/0x300 [ 15.112773][ T244] __dev_notify_flags+0x23c/0x3c0 [ 15.112778][ T244] ? netif_change_name+0x8c0/0x8c0 [ 15.112782][ T244] ? netif_set_allmulti+0x250/0x250 [ 15.112785][ T244] ? __kernel_text_address+0x12/0x30 [ 15.112787][ T244] ? write_profile+0xf0/0xf0 [ 15.112790][ T244] ? unwind_get_return_address+0x67/0xd0 [ 15.112794][ T244] netif_change_flags+0xfe/0x190 [ 15.112798][ T244] do_setlink.isra.0+0x1cc3/0x2750 [ 15.112802][ T244] ? stack_trace_save+0x93/0xc0 [ 15.112804][ T244] ? rtnl_link_get_size+0x350/0x350 [ 15.112805][ T244] ? rcu_read_lock_any_held+0x66/0x90 [ 15.112807][ T244] ? stack_depot_save_flags+0x38e/0x790 [ 15.112810][ T244] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.112813][ T244] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.112815][ T244] ? validate_chain+0x38b/0xc20 [ 15.112817][ T244] ? kasan_save_stack+0x3d/0x50 [ 15.112820][ T244] ? kasan_save_stack+0x2f/0x50 [ 15.112822][ T244] ? kasan_save_track+0x14/0x30 [ 15.112825][ T244] ? __lock_acquire+0x518/0xc20 [ 15.112827][ T244] ? netlink_seq_next+0xe/0x60 [ 15.112830][ T244] ? ___sys_sendmsg+0xb0/0x1d0 [ 15.112834][ T244] ? lock_acquire.part.0+0xd4/0x280 [ 15.112836][ T244] ? rtnl_newlink+0x9a8/0x11c0 [ 15.112839][ T244] ? rcu_is_watching+0x16/0xd0 [ 15.112841][ T244] ? lock_acquire+0x13c/0x160 [ 15.112843][ T244] ? rcu_is_watching+0x16/0xd0 [ 15.112844][ T244] ? rcu_is_watching+0x16/0xd0 [ 15.112847][ T244] ? trace_contention_end+0xb3/0x180 [ 15.112851][ T244] ? __mutex_lock+0x1db/0x1ea0 [ 15.112852][ T244] ? __mutex_lock+0x9a3/0x1ea0 [ 15.112854][ T244] ? rtnl_newlink+0x9a8/0x11c0 [ 15.112858][ T244] ? ww_mutex_lock+0x160/0x160 [ 15.112863][ T244] ? __rtnl_newlink+0x3fa/0xa50 [ 15.112868][ T244] rtnl_newlink+0x9f1/0x11c0 [ 15.112874][ T244] ? rtnl_bridge_getlink+0x850/0x850 [ 15.112876][ T244] ? __lock_acquire+0x518/0xc20 [ 15.112880][ T244] ? lock_acquire.part.0+0xd4/0x280 [ 15.112882][ T244] ? find_held_lock+0x2b/0x80 [ 15.112889][ T244] ? rtnl_bridge_getlink+0x850/0x850 [ 15.112891][ T244] ? __lock_release.isra.0+0x69/0x1a0 [ 15.112895][ T244] ? rtnl_bridge_getlink+0x850/0x850 [ 15.112897][ T244] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.112900][ T244] ? rtnl_link_fill+0x920/0x920 [ 15.112901][ T244] ? __lock_acquire+0x518/0xc20 [ 15.112906][ T244] ? lock_acquire.part.0+0xd4/0x280 [ 15.112908][ T244] ? find_held_lock+0x2b/0x80 [ 15.112911][ T244] netlink_rcv_skb+0x14e/0x3a0 [ 15.112913][ T244] ? rtnl_link_fill+0x920/0x920 [ 15.112916][ T244] ? netlink_ack+0xcf0/0xcf0 [ 15.112922][ T244] ? netlink_deliver_tap+0xc5/0x330 [ 15.112923][ T244] ? netlink_deliver_tap+0x13c/0x330 [ 15.112928][ T244] netlink_unicast+0x486/0x750 [ 15.112931][ T244] ? netlink_attachskb+0x810/0x810 [ 15.112934][ T244] ? __lock_acquire+0x518/0xc20 [ 15.112938][ T244] netlink_sendmsg+0x735/0xc60 [ 15.112942][ T244] ? netlink_unicast+0x750/0x750 [ 15.112946][ T244] ? __might_fault+0x97/0x140 [ 15.112952][ T244] ____sys_sendmsg+0x415/0x880 [ 15.112954][ T244] ? copy_msghdr_from_user+0x279/0x420 [ 15.112956][ T244] ? get_timestamp.constprop.0+0x390/0x390 [ 15.112958][ T244] ? move_addr_to_kernel+0x40/0x40 [ 15.112965][ T244] ___sys_sendmsg+0x14e/0x1d0 [ 15.112968][ T244] ? copy_msghdr_from_user+0x420/0x420 [ 15.112984][ T244] __sys_sendmsg+0x12c/0x1d0 [ 15.112987][ T244] ? __sys_sendmsg_sock+0x20/0x20 [ 15.112994][ T244] ? rcu_is_watching+0x16/0xd0 [ 15.112997][ T244] do_syscall_64+0xff/0x530 [ 15.113000][ T244] ? exc_page_fault+0xee/0x100 [ 15.113003][ T244] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.113005][ T244] RIP: 0033:0x7f60c446b54e [ 15.113007][ T244] 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 [ 15.113009][ T244] RSP: 002b:00007ffd39ef7b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.113012][ T244] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f60c446b54e [ 15.113013][ T244] RDX: 0000000000000000 RSI: 00007ffd39ef7c40 RDI: 0000000000000005 [ 15.113014][ T244] RBP: 00007ffd39ef7ba0 R08: 0000000000000000 R09: 0000000000000000 [ 15.113015][ T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ee9 [ 15.113015][ T244] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd39ef8300 [ 15.113022][ T244] [ 15.168626][ T244] ip (244) used greatest stack depth: 23016 bytes left [ 15.212001][ T246] br0: port 1(veth1) entered disabled state [ 15.267121][ T248] veth3: left allmulticast mode [ 15.267367][ T248] veth3: left promiscuous mode [ 15.267669][ T248] br0: port 2(veth3) entered disabled state [ 15.268703][ T248] veth1: left allmulticast mode [ 15.270031][ T248] veth1: left promiscuous mode [ 15.270324][ T248] br0: port 1(veth1) entered disabled state