[ 9.440156][ T196] ip (196) used greatest stack depth: 24048 bytes left [ 9.440172][ T196] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.440174][ T196] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 196, name: ip [ 9.440176][ T196] preempt_count: 2, expected: 0 [ 9.440177][ T196] RCU nest depth: 0, expected: 0 [ 9.440178][ T196] locks held by ip/196: 5, last CPU#1: [ 9.440181][ T196] #0: ffffffff9ce027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.440193][ T196] #1: ffffffff9cf69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.440199][ T196] #2: ffffffff9cf69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.440203][ T196] #3: ffffffff9ce89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.440207][ T196] #4: ffffffff9ce89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.440211][ T196] irq event stamp: 26610 [ 9.440212][ T196] hardirqs last enabled at (26609): [] __down_trylock_console_sem+0x86/0xa0 [ 9.440215][ T196] hardirqs last disabled at (26610): [] console_emit_next_record+0x3d4/0x4c0 [ 9.440217][ T196] softirqs last enabled at (25328): [] netlink_release+0x17b/0xcf0 [ 9.440221][ T196] softirqs last disabled at (25326): [] netlink_release+0xd2/0xcf0 [ 9.440223][ T196] Preemption disabled at: [ 9.440224][ T196] [<0000000000000000>] 0x0 [ 9.440231][ T196] CPU: 1 UID: 0 PID: 196 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.440235][ T196] Tainted: [W]=WARN [ 9.440235][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.440237][ T196] Call Trace: [ 9.440239][ T196] [ 9.440240][ T196] dump_stack_lvl+0x6f/0xa0 [ 9.440247][ T196] __might_resched.cold+0x1fe/0x2c1 [ 9.440251][ T196] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.440256][ T196] ? __kmalloc_noprof+0xdb/0x760 [ 9.440261][ T196] __kmalloc_noprof+0x443/0x760 [ 9.440263][ T196] ? alloc_buf.isra.0+0x4b/0x260 [ 9.440269][ T196] ? do_raw_spin_unlock+0x59/0x250 [ 9.440271][ T196] alloc_buf.isra.0+0x4b/0x260 [ 9.440275][ T196] put_chars+0x1e1/0x2f0 [ 9.440277][ T196] ? __send_to_port+0x420/0x420 [ 9.440279][ T196] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.440283][ T196] ? validate_chain+0x38b/0xc20 [ 9.440289][ T196] hvc_console_print+0x292/0x780 [ 9.440295][ T196] ? hvc_write+0x3a0/0x3a0 [ 9.440297][ T196] ? rcu_is_watching+0x16/0xd0 [ 9.440299][ T196] ? lock_acquire+0x13c/0x160 [ 9.440303][ T196] console_emit_next_record+0x22f/0x4c0 [ 9.440307][ T196] ? devkmsg_read+0x4b0/0x4b0 [ 9.440309][ T196] ? console_flush_one_record+0x106/0x710 [ 9.440312][ T196] ? rcu_is_watching+0x16/0xd0 [ 9.440314][ T196] ? lock_acquire+0x13c/0x160 [ 9.440318][ T196] console_flush_one_record+0x46f/0x710 [ 9.440322][ T196] ? console_emit_next_record+0x4c0/0x4c0 [ 9.440324][ T196] ? __lock_acquire+0x518/0xc20 [ 9.440338][ T196] console_unlock+0xee/0x1f0 [ 9.440341][ T196] ? console_flush_one_record+0x710/0x710 [ 9.440343][ T196] ? rcu_is_watching+0x16/0xd0 [ 9.440345][ T196] ? lock_acquire+0x60/0x160 [ 9.440349][ T196] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.440350][ T196] ? vprintk_emit+0x320/0x3e0 [ 9.440354][ T196] vprintk_emit+0x37c/0x3e0 [ 9.440357][ T196] ? wake_up_klogd_work_func+0x90/0x90 [ 9.440361][ T196] ? __lock_acquire+0x518/0xc20 [ 9.440364][ T196] _printk+0xc7/0x100 [ 9.440368][ T196] ? snapshot_read.cold+0x21/0x21 [ 9.440371][ T196] ? do_raw_spin_lock+0x131/0x280 [ 9.440374][ T196] ? __rwlock_init+0x150/0x150 [ 9.440377][ T196] ? do_raw_spin_lock+0x131/0x280 [ 9.440380][ T196] do_exit.cold+0x82/0x9c [ 9.440384][ T196] ? exit_notify+0x890/0x890 [ 9.440386][ T196] ? __lock_release.isra.0+0x69/0x1a0 [ 9.440388][ T196] ? rcu_is_watching+0x16/0xd0 [ 9.440393][ T196] do_group_exit+0xb8/0x370 [ 9.440395][ T196] __x64_sys_exit_group+0x3c/0x50 [ 9.440397][ T196] x64_sys_call+0x1567/0x1570 [ 9.440399][ T196] do_syscall_64+0xff/0x530 [ 9.440402][ T196] ? exc_page_fault+0xee/0x100 [ 9.440405][ T196] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.440408][ T196] RIP: 0033:0x7f194310f1b8 [ 9.440410][ T196] Code: Unable to access opcode bytes at 0x7f194310f18e. [ 9.440411][ T196] RSP: 002b:00007fff62ace428 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.440414][ T196] RAX: ffffffffffffffda RBX: 00007f194323ff88 RCX: 00007f194310f1b8 [ 9.440415][ T196] RDX: 00007f1942e59fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.440416][ T196] RBP: 00007fff62ace480 R08: 0000000000000000 R09: 0000000000008010 [ 9.440417][ T196] R10: 00007fff62ace240 R11: 0000000000000246 R12: 0000000000000001 [ 9.440418][ T196] R13: 0000000000000000 R14: 00007f194323e680 R15: 00007f194323ffa0 [ 9.440425][ T196] [ 10.038589][ T223] 8021q: 802.1Q VLAN Support v1.8 [ 10.851825][ T256] br1: port 1(veth1) entered blocking state [ 10.851894][ T256] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.851896][ T256] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 256, name: ip [ 10.851898][ T256] preempt_count: 1, expected: 0 [ 10.851899][ T256] RCU nest depth: 0, expected: 0 [ 10.851900][ T256] locks held by ip/256: 5, last CPU#2: [ 10.851902][ T256] #0: ffffffff9d6d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 10.851914][ T256] #1: ffffffff9cf69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.851920][ T256] #2: ffffffff9cf69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.851924][ T256] #3: ffffffff9ce89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.851928][ T256] #4: ffffffff9ce89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.851932][ T256] irq event stamp: 20412 [ 10.851933][ T256] hardirqs last enabled at (20411): [] __down_trylock_console_sem+0x86/0xa0 [ 10.851936][ T256] hardirqs last disabled at (20412): [] console_emit_next_record+0x3d4/0x4c0 [ 10.851938][ T256] softirqs last enabled at (20322): [] __alloc_skb+0x4c2/0x5f0 [ 10.851941][ T256] softirqs last disabled at (20320): [] __alloc_skb+0x4c2/0x5f0 [ 10.851944][ T256] Preemption disabled at: [ 10.851944][ T256] [] vprintk_emit+0x31b/0x3e0 [ 10.851951][ T256] CPU: 2 UID: 0 PID: 256 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.851955][ T256] Tainted: [W]=WARN [ 10.851955][ T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.851957][ T256] Call Trace: [ 10.851959][ T256] [ 10.851960][ T256] dump_stack_lvl+0x6f/0xa0 [ 10.851966][ T256] ? vprintk_emit+0x31b/0x3e0 [ 10.851968][ T256] __might_resched.cold+0x1fe/0x2c1 [ 10.851973][ T256] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.851977][ T256] ? __kmalloc_noprof+0xdb/0x760 [ 10.851984][ T256] __kmalloc_noprof+0x443/0x760 [ 10.851988][ T256] ? alloc_buf.isra.0+0x4b/0x260 [ 10.851996][ T256] ? do_raw_spin_unlock+0x59/0x250 [ 10.852000][ T256] alloc_buf.isra.0+0x4b/0x260 [ 10.852003][ T256] put_chars+0x1e1/0x2f0 [ 10.852006][ T256] ? __send_to_port+0x420/0x420 [ 10.852011][ T256] ? validate_chain+0x34a/0xc20 [ 10.852014][ T256] hvc_console_print+0x292/0x780 [ 10.852017][ T256] ? mark_usage+0x61/0x170 [ 10.852019][ T256] ? __lock_acquire+0x518/0xc20 [ 10.852021][ T256] ? __lock_acquire+0x518/0xc20 [ 10.852025][ T256] ? hvc_write+0x3a0/0x3a0 [ 10.852027][ T256] ? console_emit_next_record+0x1df/0x4c0 [ 10.852030][ T256] ? rcu_is_watching+0x16/0xd0 [ 10.852034][ T256] ? lock_acquire+0x13c/0x160 [ 10.852038][ T256] console_emit_next_record+0x22f/0x4c0 [ 10.852042][ T256] ? devkmsg_read+0x4b0/0x4b0 [ 10.852044][ T256] ? console_flush_one_record+0x106/0x710 [ 10.852047][ T256] ? rcu_is_watching+0x16/0xd0 [ 10.852050][ T256] ? lock_acquire+0x13c/0x160 [ 10.852054][ T256] console_flush_one_record+0x46f/0x710 [ 10.852058][ T256] ? console_emit_next_record+0x4c0/0x4c0 [ 10.852060][ T256] ? __lock_acquire+0x518/0xc20 [ 10.852065][ T256] console_unlock+0xee/0x1f0 [ 10.852068][ T256] ? console_flush_one_record+0x710/0x710 [ 10.852069][ T256] ? rcu_is_watching+0x16/0xd0 [ 10.852072][ T256] ? lock_acquire+0x60/0x160 [ 10.852076][ T256] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.852077][ T256] ? vprintk_emit+0x320/0x3e0 [ 10.852081][ T256] vprintk_emit+0x37c/0x3e0 [ 10.852084][ T256] ? wake_up_klogd_work_func+0x90/0x90 [ 10.852087][ T256] ? __lock_release.isra.0+0x69/0x1a0 [ 10.852089][ T256] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 10.852093][ T256] ? mark_held_locks+0x40/0x70 [ 10.852097][ T256] _printk+0xc7/0x100 [ 10.852101][ T256] ? snapshot_read.cold+0x21/0x21 [ 10.852105][ T256] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 10.852117][ T256] ? do_setlink.isra.0+0xa31/0x2750 [ 10.852118][ T256] ? rtnl_newlink+0x9f1/0x11c0 [ 10.852120][ T256] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.852124][ T256] br_set_state+0x22f/0x430 [bridge] [ 10.852135][ T256] br_init_port+0xc4/0x200 [bridge] [ 10.852143][ T256] new_nbp+0x39c/0x580 [bridge] [ 10.852153][ T256] br_add_if+0x212/0x1320 [bridge] [ 10.852160][ T256] ? is_bpf_text_address+0x72/0x110 [ 10.852165][ T256] ? kernel_text_address+0x149/0x170 [ 10.852168][ T256] ? __kernel_text_address+0x12/0x30 [ 10.852171][ T256] do_set_master+0x357/0x580 [ 10.852176][ T256] do_setlink.isra.0+0xa31/0x2750 [ 10.852180][ T256] ? stack_trace_save+0x93/0xc0 [ 10.852183][ T256] ? rtnl_link_get_size+0x350/0x350 [ 10.852184][ T256] ? rcu_read_lock_any_held+0x66/0x90 [ 10.852187][ T256] ? stack_depot_save_flags+0x38e/0x790 [ 10.852190][ T256] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.852193][ T256] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.852195][ T256] ? validate_chain+0x38b/0xc20 [ 10.852198][ T256] ? kasan_save_stack+0x3d/0x50 [ 10.852201][ T256] ? kasan_save_stack+0x2f/0x50 [ 10.852202][ T256] ? kasan_save_track+0x14/0x30 [ 10.852205][ T256] ? __lock_acquire+0x518/0xc20 [ 10.852207][ T256] ? netlink_seq_next+0xe/0x60 [ 10.852210][ T256] ? ___sys_sendmsg+0xb0/0x1d0 [ 10.852215][ T256] ? lock_acquire.part.0+0xd4/0x280 [ 10.852217][ T256] ? rtnl_newlink+0x9a8/0x11c0 [ 10.852220][ T256] ? rcu_is_watching+0x16/0xd0 [ 10.852222][ T256] ? lock_acquire+0x13c/0x160 [ 10.852224][ T256] ? rcu_is_watching+0x16/0xd0 [ 10.852225][ T256] ? rcu_is_watching+0x16/0xd0 [ 10.852228][ T256] ? trace_contention_end+0xb3/0x180 [ 10.852232][ T256] ? __mutex_lock+0x1db/0x1ea0 [ 10.852234][ T256] ? __mutex_lock+0x9a3/0x1ea0 [ 10.852236][ T256] ? rtnl_newlink+0x9a8/0x11c0 [ 10.852240][ T256] ? ww_mutex_lock+0x160/0x160 [ 10.852241][ T256] ? nla_get_range_signed+0x3d0/0x3d0 [ 10.852246][ T256] ? __rtnl_newlink+0x3fa/0xa50 [ 10.852252][ T256] rtnl_newlink+0x9f1/0x11c0 [ 10.852257][ T256] ? rtnl_bridge_getlink+0x850/0x850 [ 10.852259][ T256] ? __lock_acquire+0x518/0xc20 [ 10.852263][ T256] ? lock_acquire.part.0+0xd4/0x280 [ 10.852265][ T256] ? find_held_lock+0x2b/0x80 [ 10.852267][ T256] ? rtnl_bridge_getlink+0x850/0x850 [ 10.852269][ T256] ? __lock_release.isra.0+0x69/0x1a0 [ 10.852273][ T256] ? rtnl_bridge_getlink+0x850/0x850 [ 10.852275][ T256] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.852278][ T256] ? rtnl_link_fill+0x920/0x920 [ 10.852280][ T256] ? __lock_acquire+0x518/0xc20 [ 10.852284][ T256] ? lock_acquire.part.0+0xd4/0x280 [ 10.852286][ T256] ? find_held_lock+0x2b/0x80 [ 10.852290][ T256] netlink_rcv_skb+0x14e/0x3a0 [ 10.852291][ T256] ? rtnl_link_fill+0x920/0x920 [ 10.852294][ T256] ? netlink_ack+0xcf0/0xcf0 [ 10.852301][ T256] ? netlink_deliver_tap+0xc5/0x330 [ 10.852302][ T256] ? netlink_deliver_tap+0x13c/0x330 [ 10.852306][ T256] netlink_unicast+0x486/0x750 [ 10.852310][ T256] ? netlink_attachskb+0x810/0x810 [ 10.852313][ T256] ? __lock_acquire+0x518/0xc20 [ 10.852317][ T256] netlink_sendmsg+0x735/0xc60 [ 10.852321][ T256] ? netlink_unicast+0x750/0x750 [ 10.852325][ T256] ? __might_fault+0x97/0x140 [ 10.852336][ T256] ____sys_sendmsg+0x415/0x880 [ 10.852339][ T256] ? copy_msghdr_from_user+0x279/0x420 [ 10.852341][ T256] ? get_timestamp.constprop.0+0x390/0x390 [ 10.852343][ T256] ? move_addr_to_kernel+0x40/0x40 [ 10.852350][ T256] ___sys_sendmsg+0x14e/0x1d0 [ 10.852353][ T256] ? copy_msghdr_from_user+0x420/0x420 [ 10.852369][ T256] __sys_sendmsg+0x12c/0x1d0 [ 10.852372][ T256] ? __sys_sendmsg_sock+0x20/0x20 [ 10.852379][ T256] ? rcu_is_watching+0x16/0xd0 [ 10.852382][ T256] do_syscall_64+0xff/0x530 [ 10.852385][ T256] ? exc_page_fault+0xee/0x100 [ 10.852388][ T256] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.852391][ T256] RIP: 0033:0x7f6ef3a6d54e [ 10.852394][ T256] 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 [ 10.852396][ T256] RSP: 002b:00007ffde3ffd2a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.852399][ T256] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6ef3a6d54e [ 10.852400][ T256] RDX: 0000000000000000 RSI: 00007ffde3ffd350 RDI: 0000000000000005 [ 10.852401][ T256] RBP: 00007ffde3ffd2b0 R08: 0000000000000000 R09: 0000000000000000 [ 10.852402][ T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b7d7 [ 10.852403][ T256] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde3ffda10 [ 10.852410][ T256] [ 10.907302][ T256] br1: port 1(veth1) entered disabled state [ 10.907647][ T256] veth1: entered allmulticast mode [ 10.909283][ T256] veth1: entered promiscuous mode [ 10.915293][ T256] ip (256) used greatest stack depth: 23336 bytes left [ 10.936774][ T257] br1: port 2(veth2) entered blocking state [ 10.937102][ T257] br1: port 2(veth2) entered disabled state [ 10.937406][ T257] veth2: entered allmulticast mode [ 10.938944][ T257] veth2: entered promiscuous mode [ 10.970367][ T94] br1: port 1(veth1) entered blocking state [ 10.970811][ T94] br1: port 1(veth1) entered forwarding state [ 10.999293][ T39] br1: port 2(veth2) entered blocking state [ 10.999614][ T39] br1: port 2(veth2) entered forwarding state [ 18.813979][ T323] veth2: left allmulticast mode [ 18.814003][ T323] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 18.814005][ T323] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 323, name: ip [ 18.814007][ T323] preempt_count: 1, expected: 0 [ 18.814008][ T323] RCU nest depth: 0, expected: 0 [ 18.814009][ T323] locks held by ip/323: 5, last CPU#2: [ 18.814011][ T323] #0: ffffffff9d6d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 18.814023][ T323] #1: ffffffff9cf69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 18.814029][ T323] #2: ffffffff9cf69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 18.814033][ T323] #3: ffffffff9ce89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 18.814037][ T323] #4: ffffffff9ce89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 18.814041][ T323] irq event stamp: 11792 [ 18.814041][ T323] hardirqs last enabled at (11791): [] __down_trylock_console_sem+0x86/0xa0 [ 18.814044][ T323] hardirqs last disabled at (11792): [] console_emit_next_record+0x3d4/0x4c0 [ 18.814046][ T323] softirqs last enabled at (11760): [] __alloc_skb+0x4c2/0x5f0 [ 18.814049][ T323] softirqs last disabled at (11758): [] __alloc_skb+0x4c2/0x5f0 [ 18.814052][ T323] Preemption disabled at: [ 18.814052][ T323] [] vprintk_emit+0x31b/0x3e0 [ 18.814059][ T323] CPU: 2 UID: 0 PID: 323 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 18.814062][ T323] Tainted: [W]=WARN [ 18.814063][ T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.814065][ T323] Call Trace: [ 18.814066][ T323] [ 18.814068][ T323] dump_stack_lvl+0x6f/0xa0 [ 18.814074][ T323] ? vprintk_emit+0x31b/0x3e0 [ 18.814076][ T323] __might_resched.cold+0x1fe/0x2c1 [ 18.814081][ T323] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 18.814085][ T323] ? __kmalloc_noprof+0xdb/0x760 [ 18.814090][ T323] __kmalloc_noprof+0x443/0x760 [ 18.814092][ T323] ? alloc_buf.isra.0+0x4b/0x260 [ 18.814097][ T323] ? do_raw_spin_unlock+0x59/0x250 [ 18.814100][ T323] alloc_buf.isra.0+0x4b/0x260 [ 18.814104][ T323] put_chars+0x1e1/0x2f0 [ 18.814107][ T323] ? __send_to_port+0x420/0x420 [ 18.814108][ T323] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.814113][ T323] ? validate_chain+0x38b/0xc20 [ 18.814118][ T323] hvc_console_print+0x292/0x780 [ 18.814124][ T323] ? hvc_write+0x3a0/0x3a0 [ 18.814126][ T323] ? rcu_is_watching+0x16/0xd0 [ 18.814128][ T323] ? lock_acquire+0x13c/0x160 [ 18.814132][ T323] console_emit_next_record+0x22f/0x4c0 [ 18.814136][ T323] ? devkmsg_read+0x4b0/0x4b0 [ 18.814138][ T323] ? console_flush_one_record+0x106/0x710 [ 18.814141][ T323] ? rcu_is_watching+0x16/0xd0 [ 18.814143][ T323] ? lock_acquire+0x13c/0x160 [ 18.814147][ T323] console_flush_one_record+0x46f/0x710 [ 18.814151][ T323] ? console_emit_next_record+0x4c0/0x4c0 [ 18.814152][ T323] ? __lock_acquire+0x518/0xc20 [ 18.814157][ T323] console_unlock+0xee/0x1f0 [ 18.814160][ T323] ? console_flush_one_record+0x710/0x710 [ 18.814162][ T323] ? rcu_is_watching+0x16/0xd0 [ 18.814164][ T323] ? lock_acquire+0x60/0x160 [ 18.814168][ T323] ? __down_trylock_console_sem+0x5e/0xa0 [ 18.814169][ T323] ? vprintk_emit+0x320/0x3e0 [ 18.814173][ T323] vprintk_emit+0x37c/0x3e0 [ 18.814176][ T323] ? wake_up_klogd_work_func+0x90/0x90 [ 18.814178][ T323] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 18.814180][ T323] ? netlink_unicast+0x486/0x750 [ 18.814182][ T323] ? netlink_sendmsg+0x735/0xc60 [ 18.814184][ T323] ? ____sys_sendmsg+0x415/0x880 [ 18.814186][ T323] ? ___sys_sendmsg+0x14e/0x1d0 [ 18.814188][ T323] ? __sys_sendmsg+0x12c/0x1d0 [ 18.814190][ T323] ? do_syscall_64+0xff/0x530 [ 18.814195][ T323] _printk+0xc7/0x100 [ 18.814199][ T323] ? snapshot_read.cold+0x21/0x21 [ 18.814203][ T323] ? netdev_name+0x43/0x60 [ 18.814206][ T323] ? __netdev_printk+0x17f/0x1d0 [ 18.814209][ T323] netdev_info+0xe2/0x116 [ 18.814212][ T323] ? netdev_notice+0x120/0x120 [ 18.814215][ T323] ? rcu_is_watching+0x16/0xd0 [ 18.814218][ T323] ? __up_read+0x355/0x9e0 [ 18.814221][ T323] ? down_write_nested+0x200/0x200 [ 18.814223][ T323] ? __lock_release.isra.0+0x69/0x1a0 [ 18.814225][ T323] ? mutex_is_locked+0x1c/0x50 [ 18.814228][ T323] netif_set_allmulti.cold+0x7c/0x166 [ 18.814232][ T323] dev_set_allmulti+0xa2/0x150 [ 18.814236][ T323] del_nbp+0xb7/0xc10 [bridge] [ 18.814250][ T323] ? is_bpf_text_address+0x72/0x110 [ 18.814256][ T323] br_del_if+0xab/0x200 [bridge] [ 18.814264][ T323] ? rtnl_is_locked+0x15/0x20 [ 18.814267][ T323] do_set_master+0x15c/0x580 [ 18.814271][ T323] do_setlink.isra.0+0xa31/0x2750 [ 18.814275][ T323] ? stack_trace_save+0x93/0xc0 [ 18.814278][ T323] ? rtnl_link_get_size+0x350/0x350 [ 18.814279][ T323] ? rcu_read_lock_any_held+0x66/0x90 [ 18.814282][ T323] ? stack_depot_save_flags+0x38e/0x790 [ 18.814286][ T323] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.814288][ T323] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.814290][ T323] ? validate_chain+0x38b/0xc20 [ 18.814292][ T323] ? kasan_save_stack+0x3d/0x50 [ 18.814296][ T323] ? kasan_save_stack+0x2f/0x50 [ 18.814297][ T323] ? kasan_save_track+0x14/0x30 [ 18.814300][ T323] ? __lock_acquire+0x518/0xc20 [ 18.814302][ T323] ? netlink_seq_next+0xe/0x60 [ 18.814304][ T323] ? ___sys_sendmsg+0xb0/0x1d0 [ 18.814307][ T323] ? lock_acquire.part.0+0xd4/0x280 [ 18.814309][ T323] ? rtnl_newlink+0x9a8/0x11c0 [ 18.814311][ T323] ? rcu_is_watching+0x16/0xd0 [ 18.814314][ T323] ? lock_acquire+0x13c/0x160 [ 18.814315][ T323] ? rcu_is_watching+0x16/0xd0 [ 18.814317][ T323] ? rcu_is_watching+0x16/0xd0 [ 18.814319][ T323] ? trace_contention_end+0xb3/0x180 [ 18.814322][ T323] ? __mutex_lock+0x1db/0x1ea0 [ 18.814324][ T323] ? __mutex_lock+0x9a3/0x1ea0 [ 18.814327][ T323] ? rtnl_newlink+0x9a8/0x11c0 [ 18.814330][ T323] ? ww_mutex_lock+0x160/0x160 [ 18.814332][ T323] ? nla_get_range_signed+0x3d0/0x3d0 [ 18.814336][ T323] ? __rtnl_newlink+0x3fa/0xa50 [ 18.814341][ T323] rtnl_newlink+0x9f1/0x11c0 [ 18.814347][ T323] ? rtnl_bridge_getlink+0x850/0x850 [ 18.814349][ T323] ? __lock_acquire+0x518/0xc20 [ 18.814353][ T323] ? lock_acquire.part.0+0xd4/0x280 [ 18.814355][ T323] ? find_held_lock+0x2b/0x80 [ 18.814357][ T323] ? rtnl_bridge_getlink+0x850/0x850 [ 18.814364][ T323] ? __lock_release.isra.0+0x69/0x1a0 [ 18.814367][ T323] ? rtnl_bridge_getlink+0x850/0x850 [ 18.814370][ T323] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 18.814372][ T323] ? rtnl_link_fill+0x920/0x920 [ 18.814374][ T323] ? __lock_acquire+0x518/0xc20 [ 18.814378][ T323] ? lock_acquire.part.0+0xd4/0x280 [ 18.814380][ T323] ? find_held_lock+0x2b/0x80 [ 18.814383][ T323] netlink_rcv_skb+0x14e/0x3a0 [ 18.814385][ T323] ? rtnl_link_fill+0x920/0x920 [ 18.814388][ T323] ? netlink_ack+0xcf0/0xcf0 [ 18.814394][ T323] ? netlink_deliver_tap+0xc5/0x330 [ 18.814395][ T323] ? netlink_deliver_tap+0x13c/0x330 [ 18.814400][ T323] netlink_unicast+0x486/0x750 [ 18.814403][ T323] ? netlink_attachskb+0x810/0x810 [ 18.814406][ T323] ? __lock_acquire+0x518/0xc20 [ 18.814410][ T323] netlink_sendmsg+0x735/0xc60 [ 18.814413][ T323] ? netlink_unicast+0x750/0x750 [ 18.814417][ T323] ? __might_fault+0x97/0x140 [ 18.814423][ T323] ____sys_sendmsg+0x415/0x880 [ 18.814425][ T323] ? copy_msghdr_from_user+0x279/0x420 [ 18.814427][ T323] ? get_timestamp.constprop.0+0x390/0x390 [ 18.814429][ T323] ? move_addr_to_kernel+0x40/0x40 [ 18.814436][ T323] ___sys_sendmsg+0x14e/0x1d0 [ 18.814439][ T323] ? copy_msghdr_from_user+0x420/0x420 [ 18.814454][ T323] __sys_sendmsg+0x12c/0x1d0 [ 18.814457][ T323] ? __sys_sendmsg_sock+0x20/0x20 [ 18.814463][ T323] ? rcu_is_watching+0x16/0xd0 [ 18.814466][ T323] do_syscall_64+0xff/0x530 [ 18.814468][ T323] ? exc_page_fault+0xee/0x100 [ 18.814471][ T323] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.814473][ T323] RIP: 0033:0x7fe88f61e54e [ 18.814477][ T323] 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 [ 18.814478][ T323] RSP: 002b:00007ffc5319bd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 18.814481][ T323] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe88f61e54e [ 18.814483][ T323] RDX: 0000000000000000 RSI: 00007ffc5319be20 RDI: 0000000000000005 [ 18.814483][ T323] RBP: 00007ffc5319bd80 R08: 0000000000000000 R09: 0000000000000000 [ 18.814484][ T323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b7df [ 18.814485][ T323] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5319c4e0 [ 18.814492][ T323] [ 18.870514][ T323] veth2: left promiscuous mode [ 18.871028][ T323] br1: port 2(veth2) entered disabled state [ 18.884785][ T323] ip (323) used greatest stack depth: 23208 bytes left [ 18.903866][ T324] veth1: left allmulticast mode [ 18.904116][ T324] veth1: left promiscuous mode [ 18.904435][ T324] br1: port 1(veth1) entered disabled state [ 20.955554][ T326] br1: port 1(veth1) entered blocking state [ 20.955575][ T326] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 20.955577][ T326] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 326, name: ip [ 20.955579][ T326] preempt_count: 1, expected: 0 [ 20.955580][ T326] RCU nest depth: 0, expected: 0 [ 20.955581][ T326] locks held by ip/326: 5, last CPU#0: [ 20.955583][ T326] #0: ffffffff9d6d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 20.955595][ T326] #1: ffffffff9cf69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 20.955602][ T326] #2: ffffffff9cf69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 20.955606][ T326] #3: ffffffff9ce89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 20.955610][ T326] #4: ffffffff9ce89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 20.955614][ T326] irq event stamp: 20728 [ 20.955615][ T326] hardirqs last enabled at (20727): [] __down_trylock_console_sem+0x86/0xa0 [ 20.955617][ T326] hardirqs last disabled at (20728): [] console_emit_next_record+0x3d4/0x4c0 [ 20.955619][ T326] softirqs last enabled at (20668): [] __alloc_skb+0x4c2/0x5f0 [ 20.955623][ T326] softirqs last disabled at (20666): [] __alloc_skb+0x4c2/0x5f0 [ 20.955625][ T326] Preemption disabled at: [ 20.955626][ T326] [] vprintk_emit+0x31b/0x3e0 [ 20.955631][ T326] CPU: 0 UID: 0 PID: 326 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 20.955635][ T326] Tainted: [W]=WARN [ 20.955636][ T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.955638][ T326] Call Trace: [ 20.955639][ T326] [ 20.955641][ T326] dump_stack_lvl+0x6f/0xa0 [ 20.955647][ T326] ? vprintk_emit+0x31b/0x3e0 [ 20.955649][ T326] __might_resched.cold+0x1fe/0x2c1 [ 20.955654][ T326] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 20.955658][ T326] ? __kmalloc_noprof+0xdb/0x760 [ 20.955664][ T326] __kmalloc_noprof+0x443/0x760 [ 20.955666][ T326] ? alloc_buf.isra.0+0x4b/0x260 [ 20.955671][ T326] ? do_raw_spin_unlock+0x59/0x250 [ 20.955674][ T326] alloc_buf.isra.0+0x4b/0x260 [ 20.955677][ T326] put_chars+0x1e1/0x2f0 [ 20.955679][ T326] ? prb_final_commit+0x50/0x50 [ 20.955681][ T326] ? __send_to_port+0x420/0x420 [ 20.955684][ T326] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.955689][ T326] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.955691][ T326] ? validate_chain+0x38b/0xc20 [ 20.955694][ T326] hvc_console_print+0x292/0x780 [ 20.955697][ T326] ? mark_usage+0x61/0x170 [ 20.955699][ T326] ? __lock_acquire+0x518/0xc20 [ 20.955701][ T326] ? __lock_acquire+0x518/0xc20 [ 20.955705][ T326] ? hvc_write+0x3a0/0x3a0 [ 20.955707][ T326] ? console_emit_next_record+0x1df/0x4c0 [ 20.955710][ T326] ? rcu_is_watching+0x16/0xd0 [ 20.955712][ T326] ? lock_acquire+0x13c/0x160 [ 20.955716][ T326] console_emit_next_record+0x22f/0x4c0 [ 20.955720][ T326] ? devkmsg_read+0x4b0/0x4b0 [ 20.955722][ T326] ? console_flush_one_record+0x106/0x710 [ 20.955725][ T326] ? rcu_is_watching+0x16/0xd0 [ 20.955727][ T326] ? lock_acquire+0x13c/0x160 [ 20.955731][ T326] console_flush_one_record+0x46f/0x710 [ 20.955735][ T326] ? console_emit_next_record+0x4c0/0x4c0 [ 20.955737][ T326] ? __lock_acquire+0x518/0xc20 [ 20.955742][ T326] console_unlock+0xee/0x1f0 [ 20.955745][ T326] ? console_flush_one_record+0x710/0x710 [ 20.955747][ T326] ? rcu_is_watching+0x16/0xd0 [ 20.955749][ T326] ? lock_acquire+0x60/0x160 [ 20.955753][ T326] ? __down_trylock_console_sem+0x5e/0xa0 [ 20.955754][ T326] ? vprintk_emit+0x320/0x3e0 [ 20.955758][ T326] vprintk_emit+0x37c/0x3e0 [ 20.955762][ T326] ? wake_up_klogd_work_func+0x90/0x90 [ 20.955764][ T326] ? __lock_release.isra.0+0x69/0x1a0 [ 20.955767][ T326] ? mark_held_locks+0x40/0x70 [ 20.955770][ T326] _printk+0xc7/0x100 [ 20.955774][ T326] ? snapshot_read.cold+0x21/0x21 [ 20.955778][ T326] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 20.955791][ T326] ? do_setlink.isra.0+0xa31/0x2750 [ 20.955792][ T326] ? rtnl_newlink+0x9f1/0x11c0 [ 20.955793][ T326] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 20.955798][ T326] br_set_state+0x22f/0x430 [bridge] [ 20.955808][ T326] br_init_port+0xc4/0x200 [bridge] [ 20.955816][ T326] new_nbp+0x39c/0x580 [bridge] [ 20.955825][ T326] br_add_if+0x212/0x1320 [bridge] [ 20.955832][ T326] ? is_bpf_text_address+0x72/0x110 [ 20.955836][ T326] ? kernel_text_address+0x149/0x170 [ 20.955839][ T326] ? __kernel_text_address+0x12/0x30 [ 20.955843][ T326] do_set_master+0x357/0x580 [ 20.955847][ T326] do_setlink.isra.0+0xa31/0x2750 [ 20.955850][ T326] ? stack_trace_save+0x93/0xc0 [ 20.955853][ T326] ? rtnl_link_get_size+0x350/0x350 [ 20.955855][ T326] ? rcu_read_lock_any_held+0x66/0x90 [ 20.955857][ T326] ? stack_depot_save_flags+0x38e/0x790 [ 20.955860][ T326] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.955863][ T326] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.955864][ T326] ? validate_chain+0x38b/0xc20 [ 20.955867][ T326] ? kasan_save_stack+0x3d/0x50 [ 20.955870][ T326] ? kasan_save_stack+0x2f/0x50 [ 20.955872][ T326] ? kasan_save_track+0x14/0x30 [ 20.955874][ T326] ? __lock_acquire+0x518/0xc20 [ 20.955876][ T326] ? netlink_seq_next+0xe/0x60 [ 20.955879][ T326] ? ___sys_sendmsg+0xb0/0x1d0 [ 20.955884][ T326] ? lock_acquire.part.0+0xd4/0x280 [ 20.955886][ T326] ? rtnl_newlink+0x9a8/0x11c0 [ 20.955888][ T326] ? rcu_is_watching+0x16/0xd0 [ 20.955891][ T326] ? lock_acquire+0x13c/0x160 [ 20.955892][ T326] ? rcu_is_watching+0x16/0xd0 [ 20.955894][ T326] ? rcu_is_watching+0x16/0xd0 [ 20.955896][ T326] ? trace_contention_end+0xb3/0x180 [ 20.955900][ T326] ? __mutex_lock+0x1db/0x1ea0 [ 20.955903][ T326] ? __mutex_lock+0x9a3/0x1ea0 [ 20.955906][ T326] ? rtnl_newlink+0x9a8/0x11c0 [ 20.955909][ T326] ? ww_mutex_lock+0x160/0x160 [ 20.955910][ T326] ? nla_get_range_signed+0x3d0/0x3d0 [ 20.955915][ T326] ? __rtnl_newlink+0x3fa/0xa50 [ 20.955920][ T326] rtnl_newlink+0x9f1/0x11c0 [ 20.955926][ T326] ? rtnl_bridge_getlink+0x850/0x850 [ 20.955927][ T326] ? __lock_acquire+0x518/0xc20 [ 20.955932][ T326] ? lock_acquire.part.0+0xd4/0x280 [ 20.955934][ T326] ? find_held_lock+0x2b/0x80 [ 20.955936][ T326] ? rtnl_bridge_getlink+0x850/0x850 [ 20.955937][ T326] ? __lock_release.isra.0+0x69/0x1a0 [ 20.955941][ T326] ? rtnl_bridge_getlink+0x850/0x850 [ 20.955943][ T326] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 20.955946][ T326] ? rtnl_link_fill+0x920/0x920 [ 20.955947][ T326] ? __lock_acquire+0x518/0xc20 [ 20.955952][ T326] ? lock_acquire.part.0+0xd4/0x280 [ 20.955953][ T326] ? find_held_lock+0x2b/0x80 [ 20.955957][ T326] netlink_rcv_skb+0x14e/0x3a0 [ 20.955959][ T326] ? rtnl_link_fill+0x920/0x920 [ 20.955961][ T326] ? netlink_ack+0xcf0/0xcf0 [ 20.955967][ T326] ? netlink_deliver_tap+0xc5/0x330 [ 20.955969][ T326] ? netlink_deliver_tap+0x13c/0x330 [ 20.955973][ T326] netlink_unicast+0x486/0x750 [ 20.955976][ T326] ? netlink_attachskb+0x810/0x810 [ 20.955979][ T326] ? __lock_acquire+0x518/0xc20 [ 20.955983][ T326] netlink_sendmsg+0x735/0xc60 [ 20.955987][ T326] ? netlink_unicast+0x750/0x750 [ 20.955991][ T326] ? __might_fault+0x97/0x140 [ 20.955996][ T326] ____sys_sendmsg+0x415/0x880 [ 20.955998][ T326] ? copy_msghdr_from_user+0x279/0x420 [ 20.956000][ T326] ? get_timestamp.constprop.0+0x390/0x390 [ 20.956002][ T326] ? move_addr_to_kernel+0x40/0x40 [ 20.956009][ T326] ___sys_sendmsg+0x14e/0x1d0 [ 20.956012][ T326] ? copy_msghdr_from_user+0x420/0x420 [ 20.956027][ T326] __sys_sendmsg+0x12c/0x1d0 [ 20.956030][ T326] ? __sys_sendmsg_sock+0x20/0x20 [ 20.956036][ T326] ? rcu_is_watching+0x16/0xd0 [ 20.956040][ T326] do_syscall_64+0xff/0x530 [ 20.956042][ T326] ? exc_page_fault+0xee/0x100 [ 20.956045][ T326] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 20.956048][ T326] RIP: 0033:0x7f6402cf054e [ 20.956051][ T326] 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 [ 20.956053][ T326] RSP: 002b:00007ffe3ee80660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.956055][ T326] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6402cf054e [ 20.956057][ T326] RDX: 0000000000000000 RSI: 00007ffe3ee80710 RDI: 0000000000000005 [ 20.956058][ T326] RBP: 00007ffe3ee80670 R08: 0000000000000000 R09: 0000000000000000 [ 20.956059][ T326] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b7e1 [ 20.956060][ T326] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3ee80dd0 [ 20.956066][ T326] [ 20.996480][ T326] br1: port 1(veth1) entered disabled state [ 20.996794][ T326] veth1: entered allmulticast mode [ 20.998414][ T326] veth1: entered promiscuous mode [ 20.999002][ T326] br1: port 1(veth1) entered blocking state [ 20.999391][ T326] br1: port 1(veth1) entered forwarding state [ 21.039798][ T327] br1: port 2(veth2) entered blocking state [ 21.040150][ T327] br1: port 2(veth2) entered disabled state [ 21.040507][ T327] veth2: entered allmulticast mode [ 21.042907][ T327] veth2: entered promiscuous mode [ 21.043599][ T327] br1: port 2(veth2) entered blocking state [ 21.043931][ T327] br1: port 2(veth2) entered forwarding state [ 23.511316][ T373] br1: port 2(veth2) entered disabled state [ 23.511333][ T373] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.511335][ T373] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 373, name: ip [ 23.511337][ T373] preempt_count: 202, expected: 0 [ 23.511338][ T373] RCU nest depth: 0, expected: 0 [ 23.511339][ T373] locks held by ip/373: 6, last CPU#0: [ 23.511341][ T373] #0: ffffffff9d6d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 23.511353][ T373] #1: ff1100000e6aae58 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [bridge] [ 23.511368][ T373] #2: ffffffff9cf69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.511374][ T373] #3: ffffffff9cf69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.511384][ T373] #4: ffffffff9ce89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.511388][ T373] #5: ffffffff9ce89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 23.511391][ T373] irq event stamp: 15073 [ 23.511392][ T373] hardirqs last enabled at (15072): [] __down_trylock_console_sem+0x86/0xa0 [ 23.511395][ T373] hardirqs last disabled at (15073): [] console_emit_next_record+0x3d4/0x4c0 [ 23.511397][ T373] softirqs last enabled at (15056): [] ipv6_mc_down+0x134/0x2d0 [ 23.511401][ T373] softirqs last disabled at (15068): [] br_device_event+0x1d7/0x8f0 [bridge] [ 23.511409][ T373] Preemption disabled at: [ 23.511410][ T373] [<0000000000000000>] 0x0 [ 23.511416][ T373] CPU: 0 UID: 0 PID: 373 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.511420][ T373] Tainted: [W]=WARN [ 23.511421][ T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.511423][ T373] Call Trace: [ 23.511425][ T373] [ 23.511426][ T373] dump_stack_lvl+0x6f/0xa0 [ 23.511433][ T373] __might_resched.cold+0x1fe/0x2c1 [ 23.511438][ T373] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.511442][ T373] ? __kmalloc_noprof+0xdb/0x760 [ 23.511448][ T373] __kmalloc_noprof+0x443/0x760 [ 23.511450][ T373] ? alloc_buf.isra.0+0x4b/0x260 [ 23.511456][ T373] ? do_raw_spin_unlock+0x59/0x250 [ 23.511458][ T373] alloc_buf.isra.0+0x4b/0x260 [ 23.511462][ T373] put_chars+0x1e1/0x2f0 [ 23.511464][ T373] ? __send_to_port+0x420/0x420 [ 23.511467][ T373] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.511472][ T373] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.511474][ T373] ? validate_chain+0x38b/0xc20 [ 23.511478][ T373] hvc_console_print+0x292/0x780 [ 23.511481][ T373] ? mark_usage+0x61/0x170 [ 23.511482][ T373] ? __lock_acquire+0x518/0xc20 [ 23.511484][ T373] ? __lock_acquire+0x518/0xc20 [ 23.511488][ T373] ? hvc_write+0x3a0/0x3a0 [ 23.511489][ T373] ? lock_acquire.part.0+0xd4/0x280 [ 23.511494][ T373] ? lock_acquire+0x13c/0x160 [ 23.511498][ T373] console_emit_next_record+0x22f/0x4c0 [ 23.511502][ T373] ? devkmsg_read+0x4b0/0x4b0 [ 23.511504][ T373] ? console_flush_one_record+0x106/0x710 [ 23.511507][ T373] ? rcu_is_watching+0x16/0xd0 [ 23.511509][ T373] ? lock_acquire+0x13c/0x160 [ 23.511513][ T373] console_flush_one_record+0x46f/0x710 [ 23.511517][ T373] ? console_emit_next_record+0x4c0/0x4c0 [ 23.511519][ T373] ? __lock_acquire+0x518/0xc20 [ 23.511524][ T373] console_unlock+0xee/0x1f0 [ 23.511527][ T373] ? console_flush_one_record+0x710/0x710 [ 23.511529][ T373] ? rcu_is_watching+0x16/0xd0 [ 23.511533][ T373] ? lock_acquire+0x60/0x160 [ 23.511537][ T373] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.511539][ T373] ? vprintk_emit+0x320/0x3e0 [ 23.511542][ T373] vprintk_emit+0x37c/0x3e0 [ 23.511546][ T373] ? wake_up_klogd_work_func+0x90/0x90 [ 23.511548][ T373] ? mark_held_locks+0x40/0x70 [ 23.511550][ T373] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.511553][ T373] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.511556][ T373] _printk+0xc7/0x100 [ 23.511560][ T373] ? snapshot_read.cold+0x21/0x21 [ 23.511568][ T373] br_set_state+0x22f/0x430 [bridge] [ 23.511579][ T373] br_stp_disable_port+0x11f/0x390 [bridge] [ 23.511588][ T373] br_device_event+0x7b5/0x8f0 [bridge] [ 23.511596][ T373] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 23.511600][ T373] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 23.511605][ T373] notifier_call_chain+0xae/0x300 [ 23.511611][ T373] __dev_notify_flags+0x23c/0x3c0 [ 23.511616][ T373] ? netif_change_name+0x8c0/0x8c0 [ 23.511620][ T373] ? netif_set_allmulti+0x250/0x250 [ 23.511623][ T373] ? __kernel_text_address+0x12/0x30 [ 23.511625][ T373] ? write_profile+0xf0/0xf0 [ 23.511628][ T373] ? unwind_get_return_address+0x67/0xd0 [ 23.511632][ T373] netif_change_flags+0xfe/0x190 [ 23.511636][ T373] do_setlink.isra.0+0x1cc3/0x2750 [ 23.511640][ T373] ? stack_trace_save+0x93/0xc0 [ 23.511642][ T373] ? rtnl_link_get_size+0x350/0x350 [ 23.511643][ T373] ? rcu_read_lock_any_held+0x66/0x90 [ 23.511645][ T373] ? stack_depot_save_flags+0x38e/0x790 [ 23.511648][ T373] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.511651][ T373] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.511653][ T373] ? validate_chain+0x38b/0xc20 [ 23.511655][ T373] ? kasan_save_stack+0x3d/0x50 [ 23.511659][ T373] ? kasan_save_stack+0x2f/0x50 [ 23.511660][ T373] ? kasan_save_track+0x14/0x30 [ 23.511663][ T373] ? __lock_acquire+0x518/0xc20 [ 23.511665][ T373] ? netlink_seq_next+0xe/0x60 [ 23.511668][ T373] ? ___sys_sendmsg+0xb0/0x1d0 [ 23.511673][ T373] ? lock_acquire.part.0+0xd4/0x280 [ 23.511675][ T373] ? rtnl_newlink+0x9a8/0x11c0 [ 23.511678][ T373] ? rcu_is_watching+0x16/0xd0 [ 23.511680][ T373] ? lock_acquire+0x13c/0x160 [ 23.511682][ T373] ? rcu_is_watching+0x16/0xd0 [ 23.511683][ T373] ? rcu_is_watching+0x16/0xd0 [ 23.511686][ T373] ? trace_contention_end+0xb3/0x180 [ 23.511690][ T373] ? __mutex_lock+0x1db/0x1ea0 [ 23.511691][ T373] ? __mutex_lock+0x9a3/0x1ea0 [ 23.511694][ T373] ? rtnl_newlink+0x9a8/0x11c0 [ 23.511697][ T373] ? ww_mutex_lock+0x160/0x160 [ 23.511699][ T373] ? nla_get_range_signed+0x3d0/0x3d0 [ 23.511704][ T373] ? __rtnl_newlink+0x3fa/0xa50 [ 23.511709][ T373] rtnl_newlink+0x9f1/0x11c0 [ 23.511714][ T373] ? rtnl_bridge_getlink+0x850/0x850 [ 23.511716][ T373] ? __lock_acquire+0x518/0xc20 [ 23.511721][ T373] ? lock_acquire.part.0+0xd4/0x280 [ 23.511722][ T373] ? find_held_lock+0x2b/0x80 [ 23.511725][ T373] ? rtnl_bridge_getlink+0x850/0x850 [ 23.511726][ T373] ? __lock_release.isra.0+0x69/0x1a0 [ 23.511730][ T373] ? rtnl_bridge_getlink+0x850/0x850 [ 23.511732][ T373] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 23.511735][ T373] ? rtnl_link_fill+0x920/0x920 [ 23.511737][ T373] ? __lock_acquire+0x518/0xc20 [ 23.511741][ T373] ? lock_acquire.part.0+0xd4/0x280 [ 23.511743][ T373] ? find_held_lock+0x2b/0x80 [ 23.511747][ T373] netlink_rcv_skb+0x14e/0x3a0 [ 23.511748][ T373] ? rtnl_link_fill+0x920/0x920 [ 23.511751][ T373] ? netlink_ack+0xcf0/0xcf0 [ 23.511758][ T373] ? netlink_deliver_tap+0xc5/0x330 [ 23.511759][ T373] ? netlink_deliver_tap+0x13c/0x330 [ 23.511763][ T373] netlink_unicast+0x486/0x750 [ 23.511767][ T373] ? netlink_attachskb+0x810/0x810 [ 23.511770][ T373] ? __lock_acquire+0x518/0xc20 [ 23.511774][ T373] netlink_sendmsg+0x735/0xc60 [ 23.511778][ T373] ? netlink_unicast+0x750/0x750 [ 23.511782][ T373] ? __might_fault+0x97/0x140 [ 23.511787][ T373] ____sys_sendmsg+0x415/0x880 [ 23.511790][ T373] ? copy_msghdr_from_user+0x279/0x420 [ 23.511792][ T373] ? get_timestamp.constprop.0+0x390/0x390 [ 23.511794][ T373] ? move_addr_to_kernel+0x40/0x40 [ 23.511801][ T373] ___sys_sendmsg+0x14e/0x1d0 [ 23.511804][ T373] ? copy_msghdr_from_user+0x420/0x420 [ 23.511820][ T373] __sys_sendmsg+0x12c/0x1d0 [ 23.511823][ T373] ? __sys_sendmsg_sock+0x20/0x20 [ 23.511829][ T373] ? rcu_is_watching+0x16/0xd0 [ 23.511833][ T373] do_syscall_64+0xff/0x530 [ 23.511836][ T373] ? exc_page_fault+0xee/0x100 [ 23.511839][ T373] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.511841][ T373] RIP: 0033:0x7fb8838fe54e [ 23.511843][ T373] 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 [ 23.511845][ T373] RSP: 002b:00007ffc7ac85470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.511848][ T373] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb8838fe54e [ 23.511849][ T373] RDX: 0000000000000000 RSI: 00007ffc7ac85520 RDI: 0000000000000005 [ 23.511850][ T373] RBP: 00007ffc7ac85480 R08: 0000000000000000 R09: 0000000000000000 [ 23.511851][ T373] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b7e3 [ 23.511852][ T373] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7ac85be0 [ 23.511859][ T373] [ 23.557573][ T373] veth2: left allmulticast mode [ 23.557809][ T373] veth2: left promiscuous mode [ 23.558118][ T373] br1: port 2(veth2) entered disabled state [ 23.565556][ T373] ip (373) used greatest stack depth: 23016 bytes left [ 23.592305][ T374] br1: port 1(veth1) entered disabled state [ 23.592788][ T374] veth1: left allmulticast mode [ 23.593020][ T374] veth1: left promiscuous mode [ 23.593322][ T374] br1: port 1(veth1) entered disabled state