[ 9.246470][ T188] ip (188) used greatest stack depth: 23712 bytes left [ 9.246487][ T188] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.246489][ T188] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 188, name: ip [ 9.246490][ T188] preempt_count: 2, expected: 0 [ 9.246491][ T188] RCU nest depth: 0, expected: 0 [ 9.246492][ T188] locks held by ip/188: 5, last CPU#3: [ 9.246495][ T188] #0: ffffffff874027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.246508][ T188] #1: ffffffff87569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.246514][ T188] #2: ffffffff87569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.246518][ T188] #3: ffffffff87489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.246522][ T188] #4: ffffffff87489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.246526][ T188] irq event stamp: 39284 [ 9.246527][ T188] hardirqs last enabled at (39283): [] __down_trylock_console_sem+0x86/0xa0 [ 9.246529][ T188] hardirqs last disabled at (39284): [] console_emit_next_record+0x3d4/0x4c0 [ 9.246531][ T188] softirqs last enabled at (38314): [] handle_softirqs+0x67c/0x900 [ 9.246533][ T188] softirqs last disabled at (38309): [] __irq_exit_rcu+0x145/0x1c0 [ 9.246536][ T188] Preemption disabled at: [ 9.246536][ T188] [<0000000000000000>] 0x0 [ 9.246543][ T188] CPU: 3 UID: 0 PID: 188 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.246547][ T188] Tainted: [W]=WARN [ 9.246548][ T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.246549][ T188] Call Trace: [ 9.246551][ T188] [ 9.246552][ T188] dump_stack_lvl+0x6f/0xa0 [ 9.246559][ T188] __might_resched.cold+0x1fe/0x2c1 [ 9.246563][ T188] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.246568][ T188] ? __kmalloc_noprof+0xdb/0x760 [ 9.246573][ T188] __kmalloc_noprof+0x443/0x760 [ 9.246575][ T188] ? alloc_buf.isra.0+0x4b/0x260 [ 9.246581][ T188] ? do_raw_spin_unlock+0x59/0x250 [ 9.246584][ T188] alloc_buf.isra.0+0x4b/0x260 [ 9.246587][ T188] put_chars+0x1e1/0x2f0 [ 9.246590][ T188] ? __send_to_port+0x420/0x420 [ 9.246591][ T188] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.246596][ T188] ? validate_chain+0x38b/0xc20 [ 9.246601][ T188] hvc_console_print+0x292/0x780 [ 9.246608][ T188] ? hvc_write+0x3a0/0x3a0 [ 9.246610][ T188] ? rcu_is_watching+0x16/0xd0 [ 9.246612][ T188] ? lock_acquire+0x13c/0x160 [ 9.246616][ T188] console_emit_next_record+0x22f/0x4c0 [ 9.246620][ T188] ? devkmsg_read+0x4b0/0x4b0 [ 9.246622][ T188] ? console_flush_one_record+0x106/0x710 [ 9.246625][ T188] ? rcu_is_watching+0x16/0xd0 [ 9.246627][ T188] ? lock_acquire+0x13c/0x160 [ 9.246631][ T188] console_flush_one_record+0x46f/0x710 [ 9.246635][ T188] ? console_emit_next_record+0x4c0/0x4c0 [ 9.246637][ T188] ? __lock_acquire+0x518/0xc20 [ 9.246642][ T188] console_unlock+0xee/0x1f0 [ 9.246645][ T188] ? console_flush_one_record+0x710/0x710 [ 9.246647][ T188] ? rcu_is_watching+0x16/0xd0 [ 9.246649][ T188] ? lock_acquire+0x60/0x160 [ 9.246653][ T188] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.246655][ T188] ? vprintk_emit+0x320/0x3e0 [ 9.246658][ T188] vprintk_emit+0x37c/0x3e0 [ 9.246662][ T188] ? wake_up_klogd_work_func+0x90/0x90 [ 9.246665][ T188] ? __lock_acquire+0x518/0xc20 [ 9.246673][ T188] _printk+0xc7/0x100 [ 9.246676][ T188] ? snapshot_read.cold+0x21/0x21 [ 9.246679][ T188] ? do_raw_spin_lock+0x131/0x280 [ 9.246682][ T188] ? __rwlock_init+0x150/0x150 [ 9.246686][ T188] ? do_raw_spin_lock+0x131/0x280 [ 9.246688][ T188] do_exit.cold+0x82/0x9c [ 9.246692][ T188] ? exit_notify+0x890/0x890 [ 9.246694][ T188] ? __lock_release.isra.0+0x69/0x1a0 [ 9.246697][ T188] ? rcu_is_watching+0x16/0xd0 [ 9.246701][ T188] do_group_exit+0xb8/0x370 [ 9.246704][ T188] __x64_sys_exit_group+0x3c/0x50 [ 9.246705][ T188] x64_sys_call+0x1567/0x1570 [ 9.246708][ T188] do_syscall_64+0xff/0x530 [ 9.246711][ T188] ? exc_page_fault+0xee/0x100 [ 9.246714][ T188] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.246716][ T188] RIP: 0033:0x7f5f2606f1b8 [ 9.246719][ T188] Code: Unable to access opcode bytes at 0x7f5f2606f18e. [ 9.246720][ T188] RSP: 002b:00007fff8be496d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.246722][ T188] RAX: ffffffffffffffda RBX: 00007f5f2619ff88 RCX: 00007f5f2606f1b8 [ 9.246724][ T188] RDX: 00007f5f25db9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.246724][ T188] RBP: 00007fff8be49730 R08: 0000000000000000 R09: 0000000000008010 [ 9.246725][ T188] R10: 00007fff8be494f0 R11: 0000000000000246 R12: 0000000000000001 [ 9.246726][ T188] R13: 0000000000000000 R14: 00007f5f2619e680 R15: 00007f5f2619ffa0 [ 9.246733][ T188] [ 9.929224][ T220] br0: port 1(veth1) entered blocking state [ 9.929682][ T220] br0: port 1(veth1) entered disabled state [ 9.930087][ T220] veth1: entered allmulticast mode [ 9.931656][ T220] veth1: entered promiscuous mode [ 9.998029][ T92] br0: port 1(veth1) entered blocking state [ 9.998492][ T92] br0: port 1(veth1) entered forwarding state [ 15.545719][ T266] br0: port 1(veth1) entered disabled state [ 15.545768][ T266] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.545771][ T266] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 266, name: ip [ 15.545772][ T266] preempt_count: 202, expected: 0 [ 15.545773][ T266] RCU nest depth: 0, expected: 0 [ 15.545774][ T266] locks held by ip/266: 6, last CPU#0: [ 15.545776][ T266] #0: ffffffff87cd2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 15.545788][ T266] #1: ff1100000c86ae58 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [bridge] [ 15.545803][ T266] #2: ffffffff87569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.545809][ T266] #3: ffffffff87569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.545813][ T266] #4: ffffffff87489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.545816][ T266] #5: ffffffff87489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.545820][ T266] irq event stamp: 16171 [ 15.545821][ T266] hardirqs last enabled at (16170): [] __down_trylock_console_sem+0x86/0xa0 [ 15.545823][ T266] hardirqs last disabled at (16171): [] console_emit_next_record+0x3d4/0x4c0 [ 15.545826][ T266] softirqs last enabled at (16154): [] ipv6_mc_down+0x134/0x2d0 [ 15.545830][ T266] softirqs last disabled at (16166): [] br_device_event+0x1d7/0x8f0 [bridge] [ 15.545838][ T266] Preemption disabled at: [ 15.545838][ T266] [<0000000000000000>] 0x0 [ 15.545845][ T266] CPU: 0 UID: 0 PID: 266 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.545848][ T266] Tainted: [W]=WARN [ 15.545849][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.545851][ T266] Call Trace: [ 15.545852][ T266] [ 15.545854][ T266] dump_stack_lvl+0x6f/0xa0 [ 15.545860][ T266] __might_resched.cold+0x1fe/0x2c1 [ 15.545865][ T266] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.545869][ T266] ? __kmalloc_noprof+0xdb/0x760 [ 15.545874][ T266] __kmalloc_noprof+0x443/0x760 [ 15.545877][ T266] ? alloc_buf.isra.0+0x4b/0x260 [ 15.545882][ T266] ? do_raw_spin_unlock+0x59/0x250 [ 15.545885][ T266] alloc_buf.isra.0+0x4b/0x260 [ 15.545888][ T266] put_chars+0x1e1/0x2f0 [ 15.545891][ T266] ? __send_to_port+0x420/0x420 [ 15.545892][ T266] ? check_prev_add+0xef/0xe90 [ 15.545896][ T266] ? validate_chain+0x34a/0xc20 [ 15.545900][ T266] hvc_console_print+0x292/0x780 [ 15.545902][ T266] ? mark_usage+0x61/0x170 [ 15.545904][ T266] ? __lock_acquire+0x518/0xc20 [ 15.545906][ T266] ? __lock_acquire+0x518/0xc20 [ 15.545910][ T266] ? hvc_write+0x3a0/0x3a0 [ 15.545911][ T266] ? lock_acquire.part.0+0xd4/0x280 [ 15.545915][ T266] ? lock_acquire+0x13c/0x160 [ 15.545921][ T266] console_emit_next_record+0x22f/0x4c0 [ 15.545925][ T266] ? devkmsg_read+0x4b0/0x4b0 [ 15.545927][ T266] ? console_flush_one_record+0x106/0x710 [ 15.545930][ T266] ? rcu_is_watching+0x16/0xd0 [ 15.545934][ T266] ? lock_acquire+0x13c/0x160 [ 15.545938][ T266] console_flush_one_record+0x46f/0x710 [ 15.545942][ T266] ? console_emit_next_record+0x4c0/0x4c0 [ 15.545944][ T266] ? __lock_acquire+0x518/0xc20 [ 15.545949][ T266] console_unlock+0xee/0x1f0 [ 15.545952][ T266] ? console_flush_one_record+0x710/0x710 [ 15.545953][ T266] ? rcu_is_watching+0x16/0xd0 [ 15.545956][ T266] ? lock_acquire+0x60/0x160 [ 15.545959][ T266] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.545961][ T266] ? vprintk_emit+0x320/0x3e0 [ 15.545964][ T266] vprintk_emit+0x37c/0x3e0 [ 15.545968][ T266] ? wake_up_klogd_work_func+0x90/0x90 [ 15.545970][ T266] ? mark_held_locks+0x40/0x70 [ 15.545972][ T266] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.545975][ T266] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.545979][ T266] _printk+0xc7/0x100 [ 15.545983][ T266] ? snapshot_read.cold+0x21/0x21 [ 15.545991][ T266] br_set_state+0x22f/0x430 [bridge] [ 15.546003][ T266] br_stp_disable_port+0x11f/0x390 [bridge] [ 15.546012][ T266] br_device_event+0x7b5/0x8f0 [bridge] [ 15.546020][ T266] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 15.546024][ T266] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 15.546029][ T266] notifier_call_chain+0xae/0x300 [ 15.546035][ T266] __dev_notify_flags+0x23c/0x3c0 [ 15.546040][ T266] ? netif_change_name+0x8c0/0x8c0 [ 15.546044][ T266] ? netif_set_allmulti+0x250/0x250 [ 15.546047][ T266] ? __kernel_text_address+0x12/0x30 [ 15.546049][ T266] ? write_profile+0xf0/0xf0 [ 15.546051][ T266] ? unwind_get_return_address+0x67/0xd0 [ 15.546056][ T266] netif_change_flags+0xfe/0x190 [ 15.546060][ T266] do_setlink.isra.0+0x1cc3/0x2750 [ 15.546063][ T266] ? stack_trace_save+0x93/0xc0 [ 15.546065][ T266] ? rtnl_link_get_size+0x350/0x350 [ 15.546067][ T266] ? rcu_read_lock_any_held+0x66/0x90 [ 15.546068][ T266] ? stack_depot_save_flags+0x38e/0x790 [ 15.546072][ T266] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.546074][ T266] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.546076][ T266] ? validate_chain+0x38b/0xc20 [ 15.546079][ T266] ? kasan_save_stack+0x3d/0x50 [ 15.546081][ T266] ? kasan_save_stack+0x2f/0x50 [ 15.546083][ T266] ? kasan_save_track+0x14/0x30 [ 15.546086][ T266] ? __lock_acquire+0x518/0xc20 [ 15.546088][ T266] ? netlink_seq_next+0xe/0x60 [ 15.546091][ T266] ? ___sys_sendmsg+0xb0/0x1d0 [ 15.546095][ T266] ? lock_acquire.part.0+0xd4/0x280 [ 15.546097][ T266] ? rtnl_newlink+0x9a8/0x11c0 [ 15.546100][ T266] ? rcu_is_watching+0x16/0xd0 [ 15.546102][ T266] ? lock_acquire+0x13c/0x160 [ 15.546104][ T266] ? rcu_is_watching+0x16/0xd0 [ 15.546106][ T266] ? rcu_is_watching+0x16/0xd0 [ 15.546108][ T266] ? trace_contention_end+0xb3/0x180 [ 15.546112][ T266] ? __mutex_lock+0x1db/0x1ea0 [ 15.546113][ T266] ? __mutex_lock+0x9a3/0x1ea0 [ 15.546116][ T266] ? rtnl_newlink+0x9a8/0x11c0 [ 15.546119][ T266] ? ww_mutex_lock+0x160/0x160 [ 15.546124][ T266] ? __rtnl_newlink+0x3fa/0xa50 [ 15.546129][ T266] rtnl_newlink+0x9f1/0x11c0 [ 15.546134][ T266] ? rtnl_bridge_getlink+0x850/0x850 [ 15.546136][ T266] ? __lock_acquire+0x518/0xc20 [ 15.546140][ T266] ? lock_acquire.part.0+0xd4/0x280 [ 15.546142][ T266] ? find_held_lock+0x2b/0x80 [ 15.546144][ T266] ? rtnl_bridge_getlink+0x850/0x850 [ 15.546146][ T266] ? __lock_release.isra.0+0x69/0x1a0 [ 15.546150][ T266] ? rtnl_bridge_getlink+0x850/0x850 [ 15.546152][ T266] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.546155][ T266] ? rtnl_link_fill+0x920/0x920 [ 15.546156][ T266] ? __lock_acquire+0x518/0xc20 [ 15.546160][ T266] ? lock_acquire.part.0+0xd4/0x280 [ 15.546162][ T266] ? find_held_lock+0x2b/0x80 [ 15.546165][ T266] netlink_rcv_skb+0x14e/0x3a0 [ 15.546167][ T266] ? rtnl_link_fill+0x920/0x920 [ 15.546170][ T266] ? netlink_ack+0xcf0/0xcf0 [ 15.546176][ T266] ? netlink_deliver_tap+0xc5/0x330 [ 15.546177][ T266] ? netlink_deliver_tap+0x13c/0x330 [ 15.546181][ T266] netlink_unicast+0x486/0x750 [ 15.546185][ T266] ? netlink_attachskb+0x810/0x810 [ 15.546188][ T266] ? __lock_acquire+0x518/0xc20 [ 15.546192][ T266] netlink_sendmsg+0x735/0xc60 [ 15.546195][ T266] ? netlink_unicast+0x750/0x750 [ 15.546199][ T266] ? __might_fault+0x97/0x140 [ 15.546205][ T266] ____sys_sendmsg+0x415/0x880 [ 15.546207][ T266] ? copy_msghdr_from_user+0x279/0x420 [ 15.546209][ T266] ? get_timestamp.constprop.0+0x390/0x390 [ 15.546211][ T266] ? move_addr_to_kernel+0x40/0x40 [ 15.546218][ T266] ___sys_sendmsg+0x14e/0x1d0 [ 15.546221][ T266] ? copy_msghdr_from_user+0x420/0x420 [ 15.546236][ T266] __sys_sendmsg+0x12c/0x1d0 [ 15.546239][ T266] ? __sys_sendmsg_sock+0x20/0x20 [ 15.546245][ T266] ? rcu_is_watching+0x16/0xd0 [ 15.546249][ T266] do_syscall_64+0xff/0x530 [ 15.546251][ T266] ? exc_page_fault+0xee/0x100 [ 15.546254][ T266] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.546257][ T266] RIP: 0033:0x7fc8f99f154e [ 15.546259][ T266] 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 [ 15.546261][ T266] RSP: 002b:00007ffc0feaad80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.546263][ T266] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc8f99f154e [ 15.546265][ T266] RDX: 0000000000000000 RSI: 00007ffc0feaae30 RDI: 0000000000000005 [ 15.546266][ T266] RBP: 00007ffc0feaad90 R08: 0000000000000000 R09: 0000000000000000 [ 15.546266][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ef7 [ 15.546267][ T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0feab4f0 [ 15.546274][ T266] [ 15.600935][ T266] ip (266) used greatest stack depth: 23016 bytes left [ 15.627143][ T267] veth1: left allmulticast mode [ 15.627392][ T267] veth1: left promiscuous mode [ 15.627710][ T267] br0: port 1(veth1) entered disabled state