[ 19.717763][ T710] ip (710) used greatest stack depth: 23648 bytes left [ 19.717779][ T710] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.717781][ T710] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 710, name: ip [ 19.717782][ T710] preempt_count: 2, expected: 0 [ 19.717783][ T710] RCU nest depth: 0, expected: 0 [ 19.717784][ T710] locks held by ip/710: 5, last CPU#3: [ 19.717786][ T710] #0: ffffffffb0c167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 19.717797][ T710] #1: ffffffffb0d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.717802][ T710] #2: ffffffffb0d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.717806][ T710] #3: ffffffffb0c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.717810][ T710] #4: ffffffffb0c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 19.717814][ T710] irq event stamp: 21548 [ 19.717815][ T710] hardirqs last enabled at (21547): [] __down_trylock_console_sem+0x86/0xa0 [ 19.717818][ T710] hardirqs last disabled at (21548): [] console_emit_next_record+0x3d4/0x4c0 [ 19.717820][ T710] softirqs last enabled at (20002): [] netlink_release+0x17b/0xcf0 [ 19.717824][ T710] softirqs last disabled at (20000): [] netlink_release+0xd2/0xcf0 [ 19.717826][ T710] Preemption disabled at: [ 19.717827][ T710] [<0000000000000000>] 0x0 [ 19.717833][ T710] CPU: 3 UID: 0 PID: 710 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.717836][ T710] Tainted: [W]=WARN [ 19.717837][ T710] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.717839][ T710] Call Trace: [ 19.717840][ T710] [ 19.717842][ T710] dump_stack_lvl+0x6f/0xa0 [ 19.717848][ T710] __might_resched.cold+0x1fe/0x2c1 [ 19.717852][ T710] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.717856][ T710] ? __kmalloc_noprof+0xdb/0x760 [ 19.717861][ T710] __kmalloc_noprof+0x443/0x760 [ 19.717862][ T710] ? alloc_buf.isra.0+0x4b/0x260 [ 19.717869][ T710] ? do_raw_spin_unlock+0x59/0x250 [ 19.717871][ T710] alloc_buf.isra.0+0x4b/0x260 [ 19.717875][ T710] put_chars+0x1e1/0x2f0 [ 19.717878][ T710] ? __send_to_port+0x420/0x420 [ 19.717879][ T710] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.717883][ T710] ? validate_chain+0x38b/0xc20 [ 19.717888][ T710] hvc_console_print+0x292/0x780 [ 19.717895][ T710] ? hvc_write+0x3a0/0x3a0 [ 19.717898][ T710] ? rcu_is_watching+0x16/0xd0 [ 19.717900][ T710] ? lock_acquire+0x13c/0x160 [ 19.717904][ T710] console_emit_next_record+0x22f/0x4c0 [ 19.717908][ T710] ? devkmsg_read+0x4b0/0x4b0 [ 19.717910][ T710] ? console_flush_one_record+0x106/0x710 [ 19.717913][ T710] ? rcu_is_watching+0x16/0xd0 [ 19.717914][ T710] ? lock_acquire+0x13c/0x160 [ 19.717918][ T710] console_flush_one_record+0x46f/0x710 [ 19.717922][ T710] ? console_emit_next_record+0x4c0/0x4c0 [ 19.717924][ T710] ? __lock_acquire+0x518/0xc20 [ 19.717929][ T710] console_unlock+0xee/0x1f0 [ 19.717932][ T710] ? console_flush_one_record+0x710/0x710 [ 19.717934][ T710] ? rcu_is_watching+0x16/0xd0 [ 19.717935][ T710] ? lock_acquire+0xe0/0x160 [ 19.717939][ T710] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.717941][ T710] ? vprintk_emit+0x320/0x3e0 [ 19.717944][ T710] vprintk_emit+0x37c/0x3e0 [ 19.717947][ T710] ? wake_up_klogd_work_func+0x90/0x90 [ 19.717949][ T710] ? __lock_acquire+0x518/0xc20 [ 19.717953][ T710] _printk+0xc7/0x100 [ 19.717956][ T710] ? snapshot_read.cold+0x21/0x21 [ 19.717959][ T710] ? do_raw_spin_lock+0x131/0x280 [ 19.717962][ T710] ? __rwlock_init+0x150/0x150 [ 19.717965][ T710] ? do_raw_spin_lock+0x131/0x280 [ 19.717968][ T710] do_exit.cold+0x82/0x9c [ 19.717972][ T710] ? exit_notify+0x890/0x890 [ 19.717973][ T710] ? __lock_release.isra.0+0x69/0x1a0 [ 19.717976][ T710] ? rcu_is_watching+0x16/0xd0 [ 19.717979][ T710] do_group_exit+0xb8/0x370 [ 19.717982][ T710] __x64_sys_exit_group+0x3c/0x50 [ 19.717984][ T710] x64_sys_call+0x1567/0x1570 [ 19.717986][ T710] do_syscall_64+0xff/0x530 [ 19.717990][ T710] ? exc_page_fault+0xee/0x100 [ 19.717993][ T710] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.717995][ T710] RIP: 0033:0x7f3252e2f1b8 [ 19.717997][ T710] Code: Unable to access opcode bytes at 0x7f3252e2f18e. [ 19.717998][ T710] RSP: 002b:00007ffec5f53ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.718000][ T710] RAX: ffffffffffffffda RBX: 00007f3252f5ff88 RCX: 00007f3252e2f1b8 [ 19.718001][ T710] RDX: 00007f3252b79fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 19.718002][ T710] RBP: 00007ffec5f53b30 R08: 0000000000000000 R09: 0000000000000050 [ 19.718003][ T710] R10: 00007ffec5f538f0 R11: 0000000000000246 R12: 0000000000000001 [ 19.718004][ T710] R13: 0000000000000000 R14: 00007f3252f5e680 R15: 00007f3252f5ffa0 [ 19.718010][ T710] [ 33.886106][ T1380] br0: port 1(vx10) entered blocking state [ 33.886255][ T1380] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 33.886257][ T1380] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1380, name: ip [ 33.886259][ T1380] preempt_count: 1, expected: 0 [ 33.886260][ T1380] RCU nest depth: 0, expected: 0 [ 33.886261][ T1380] locks held by ip/1380: 5, last CPU#0: [ 33.886263][ T1380] #0: ffffffffb151b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 33.886275][ T1380] #1: ffffffffb0d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 33.886281][ T1380] #2: ffffffffb0d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 33.886285][ T1380] #3: ffffffffb0c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 33.886289][ T1380] #4: ffffffffb0c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 33.886293][ T1380] irq event stamp: 16792 [ 33.886294][ T1380] hardirqs last enabled at (16791): [] __down_trylock_console_sem+0x86/0xa0 [ 33.886297][ T1380] hardirqs last disabled at (16792): [] console_emit_next_record+0x3d4/0x4c0 [ 33.886299][ T1380] softirqs last enabled at (16702): [] __alloc_skb+0x4c2/0x5f0 [ 33.886302][ T1380] softirqs last disabled at (16700): [] __alloc_skb+0x4c2/0x5f0 [ 33.886304][ T1380] Preemption disabled at: [ 33.886305][ T1380] [] vprintk_emit+0x31b/0x3e0 [ 33.886310][ T1380] CPU: 0 UID: 0 PID: 1380 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 33.886313][ T1380] Tainted: [W]=WARN [ 33.886314][ T1380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.886316][ T1380] Call Trace: [ 33.886317][ T1380] [ 33.886319][ T1380] dump_stack_lvl+0x6f/0xa0 [ 33.886325][ T1380] ? vprintk_emit+0x31b/0x3e0 [ 33.886326][ T1380] __might_resched.cold+0x1fe/0x2c1 [ 33.886330][ T1380] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 33.886335][ T1380] ? __kmalloc_noprof+0xdb/0x760 [ 33.886339][ T1380] __kmalloc_noprof+0x443/0x760 [ 33.886341][ T1380] ? alloc_buf.isra.0+0x4b/0x260 [ 33.886347][ T1380] ? do_raw_spin_unlock+0x59/0x250 [ 33.886350][ T1380] alloc_buf.isra.0+0x4b/0x260 [ 33.886354][ T1380] put_chars+0x1e1/0x2f0 [ 33.886356][ T1380] ? __send_to_port+0x420/0x420 [ 33.886359][ T1380] ? validate_chain+0x34a/0xc20 [ 33.886364][ T1380] hvc_console_print+0x292/0x780 [ 33.886372][ T1380] ? hvc_write+0x3a0/0x3a0 [ 33.886374][ T1380] ? rcu_is_watching+0x16/0xd0 [ 33.886377][ T1380] ? lock_acquire+0x13c/0x160 [ 33.886381][ T1380] console_emit_next_record+0x22f/0x4c0 [ 33.886387][ T1380] ? devkmsg_read+0x4b0/0x4b0 [ 33.886389][ T1380] ? console_flush_one_record+0x106/0x710 [ 33.886392][ T1380] ? rcu_is_watching+0x16/0xd0 [ 33.886394][ T1380] ? lock_acquire+0x13c/0x160 [ 33.886398][ T1380] console_flush_one_record+0x46f/0x710 [ 33.886402][ T1380] ? console_emit_next_record+0x4c0/0x4c0 [ 33.886404][ T1380] ? __lock_acquire+0x518/0xc20 [ 33.886409][ T1380] console_unlock+0xee/0x1f0 [ 33.886412][ T1380] ? console_flush_one_record+0x710/0x710 [ 33.886419][ T1380] ? rcu_is_watching+0x16/0xd0 [ 33.886421][ T1380] ? lock_acquire+0xe0/0x160 [ 33.886424][ T1380] ? __down_trylock_console_sem+0x5e/0xa0 [ 33.886426][ T1380] ? vprintk_emit+0x320/0x3e0 [ 33.886429][ T1380] vprintk_emit+0x37c/0x3e0 [ 33.886432][ T1380] ? wake_up_klogd_work_func+0x90/0x90 [ 33.886434][ T1380] ? __lock_release.isra.0+0x69/0x1a0 [ 33.886435][ T1380] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 33.886439][ T1380] ? mark_held_locks+0x40/0x70 [ 33.886443][ T1380] _printk+0xc7/0x100 [ 33.886446][ T1380] ? snapshot_read.cold+0x21/0x21 [ 33.886450][ T1380] ? br_multicast_flood+0x960/0x960 [ 33.886453][ T1380] ? do_setlink.isra.0+0x9ec/0x2a60 [ 33.886454][ T1380] ? rtnl_newlink+0x9f1/0x11b0 [ 33.886455][ T1380] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 33.886460][ T1380] br_set_state+0x22f/0x430 [ 33.886464][ T1380] br_init_port+0xc4/0x200 [ 33.886466][ T1380] new_nbp+0x3a0/0x650 [ 33.886470][ T1380] br_add_if+0x212/0x1320 [ 33.886473][ T1380] ? is_bpf_text_address+0x72/0x110 [ 33.886476][ T1380] ? kernel_text_address+0x149/0x170 [ 33.886481][ T1380] do_set_master+0x3b2/0x780 [ 33.886485][ T1380] do_setlink.isra.0+0x9ec/0x2a60 [ 33.886488][ T1380] ? stack_trace_save+0x93/0xc0 [ 33.886491][ T1380] ? rtnl_link_get_size+0x350/0x350 [ 33.886493][ T1380] ? rcu_read_lock_any_held+0x66/0x90 [ 33.886495][ T1380] ? stack_depot_save_flags+0x38e/0x790 [ 33.886498][ T1380] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 33.886501][ T1380] ? rcu_read_lock_any_held+0x3c/0x90 [ 33.886502][ T1380] ? validate_chain+0x38b/0xc20 [ 33.886505][ T1380] ? kasan_save_stack+0x3d/0x50 [ 33.886507][ T1380] ? kasan_save_stack+0x2f/0x50 [ 33.886508][ T1380] ? kasan_save_track+0x14/0x30 [ 33.886509][ T1380] ? __kasan_kmalloc+0x7b/0x90 [ 33.886511][ T1380] ? __lock_acquire+0x518/0xc20 [ 33.886513][ T1380] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 33.886516][ T1380] ? ___sys_sendmsg+0xd0/0x1d0 [ 33.886520][ T1380] ? lock_acquire.part.0+0xd4/0x280 [ 33.886522][ T1380] ? rtnl_newlink+0x9a8/0x11b0 [ 33.886524][ T1380] ? rcu_is_watching+0x16/0xd0 [ 33.886526][ T1380] ? lock_acquire+0x13c/0x160 [ 33.886528][ T1380] ? rcu_is_watching+0x16/0xd0 [ 33.886529][ T1380] ? rcu_is_watching+0x16/0xd0 [ 33.886530][ T1380] ? trace_contention_end+0xb3/0x180 [ 33.886533][ T1380] ? __mutex_lock+0x1db/0x1ea0 [ 33.886534][ T1380] ? __mutex_lock+0x9a3/0x1ea0 [ 33.886536][ T1380] ? rtnl_newlink+0x9a8/0x11b0 [ 33.886539][ T1380] ? ww_mutex_lock+0x160/0x160 [ 33.886540][ T1380] ? nla_get_range_signed+0x3d0/0x3d0 [ 33.886545][ T1380] ? rcu_is_watching+0x16/0xd0 [ 33.886547][ T1380] ? __rtnl_newlink+0x3fa/0xa50 [ 33.886552][ T1380] rtnl_newlink+0x9f1/0x11b0 [ 33.886557][ T1380] ? rtnl_bridge_getlink+0x850/0x850 [ 33.886559][ T1380] ? __lock_acquire+0x518/0xc20 [ 33.886563][ T1380] ? lock_acquire.part.0+0xd4/0x280 [ 33.886565][ T1380] ? find_held_lock+0x2b/0x80 [ 33.886567][ T1380] ? rtnl_bridge_getlink+0x850/0x850 [ 33.886569][ T1380] ? __lock_release.isra.0+0x69/0x1a0 [ 33.886573][ T1380] ? rtnl_bridge_getlink+0x850/0x850 [ 33.886575][ T1380] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 33.886578][ T1380] ? rtnl_link_fill+0x920/0x920 [ 33.886579][ T1380] ? __lock_acquire+0x518/0xc20 [ 33.886584][ T1380] ? lock_acquire.part.0+0xd4/0x280 [ 33.886585][ T1380] ? find_held_lock+0x2b/0x80 [ 33.886589][ T1380] netlink_rcv_skb+0x14e/0x3a0 [ 33.886592][ T1380] ? rtnl_link_fill+0x920/0x920 [ 33.886594][ T1380] ? netlink_ack+0xcf0/0xcf0 [ 33.886601][ T1380] ? netlink_deliver_tap+0xc5/0x330 [ 33.886603][ T1380] ? netlink_deliver_tap+0x13c/0x330 [ 33.886607][ T1380] netlink_unicast+0x486/0x750 [ 33.886611][ T1380] ? netlink_attachskb+0x810/0x810 [ 33.886613][ T1380] ? find_held_lock+0x2b/0x80 [ 33.886618][ T1380] netlink_sendmsg+0x75b/0xc90 [ 33.886621][ T1380] ? netlink_unicast+0x750/0x750 [ 33.886625][ T1380] ? __lock_release.isra.0+0x69/0x1a0 [ 33.886627][ T1380] ? __import_iovec+0x36c/0x620 [ 33.886632][ T1380] __sock_sendmsg+0xce/0x190 [ 33.886635][ T1380] ____sys_sendmsg+0x61a/0x860 [ 33.886637][ T1380] ? copy_msghdr_from_user+0x279/0x420 [ 33.886639][ T1380] ? sock_write_iter+0x400/0x400 [ 33.886641][ T1380] ? move_addr_to_kernel+0x40/0x40 [ 33.886648][ T1380] ___sys_sendmsg+0x14e/0x1d0 [ 33.886651][ T1380] ? copy_msghdr_from_user+0x420/0x420 [ 33.886666][ T1380] __sys_sendmsg+0x12c/0x1d0 [ 33.886669][ T1380] ? __sys_sendmsg_sock+0x20/0x20 [ 33.886675][ T1380] ? rcu_is_watching+0x16/0xd0 [ 33.886678][ T1380] do_syscall_64+0xff/0x530 [ 33.886680][ T1380] ? exc_page_fault+0xee/0x100 [ 33.886683][ T1380] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.886685][ T1380] RIP: 0033:0x7f744fdea54e [ 33.886689][ T1380] 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 [ 33.886691][ T1380] RSP: 002b:00007fff9516de50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.886693][ T1380] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f744fdea54e [ 33.886695][ T1380] RDX: 0000000000000000 RSI: 00007fff9516df00 RDI: 0000000000000005 [ 33.886696][ T1380] RBP: 00007fff9516de60 R08: 0000000000000000 R09: 0000000000000000 [ 33.886696][ T1380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917174 [ 33.886697][ T1380] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9516e5d0 [ 33.886704][ T1380] [ 33.921321][ T1380] br0: port 1(vx10) entered disabled state [ 33.921690][ T1380] vx10: entered allmulticast mode [ 33.922914][ T1380] vx10: entered promiscuous mode [ 33.939717][ T1380] ip (1380) used greatest stack depth: 23336 bytes left [ 34.407094][ T1407] vx10: left allmulticast mode [ 34.407343][ T1407] vx10: left promiscuous mode [ 34.408538][ T1407] br0: port 1(vx10) entered disabled state