[ 10.084710][ T186] ip (186) used greatest stack depth: 23760 bytes left [ 10.084726][ T186] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.084728][ T186] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 186, name: ip [ 10.084730][ T186] preempt_count: 2, expected: 0 [ 10.084730][ T186] RCU nest depth: 0, expected: 0 [ 10.084731][ T186] locks held by ip/186: 5, last CPU#2: [ 10.084734][ T186] #0: ffffffffb14027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.084746][ T186] #1: ffffffffb1569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.084752][ T186] #2: ffffffffb1569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.084756][ T186] #3: ffffffffb1489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.084760][ T186] #4: ffffffffb1489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.084764][ T186] irq event stamp: 38426 [ 10.084765][ T186] hardirqs last enabled at (38425): [] __down_trylock_console_sem+0x86/0xa0 [ 10.084767][ T186] hardirqs last disabled at (38426): [] console_emit_next_record+0x3d4/0x4c0 [ 10.084769][ T186] softirqs last enabled at (38156): [] handle_softirqs+0x67c/0x900 [ 10.084771][ T186] softirqs last disabled at (38149): [] __irq_exit_rcu+0x145/0x1c0 [ 10.084773][ T186] Preemption disabled at: [ 10.084774][ T186] [<0000000000000000>] 0x0 [ 10.084781][ T186] CPU: 2 UID: 0 PID: 186 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.084784][ T186] Tainted: [W]=WARN [ 10.084785][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.084787][ T186] Call Trace: [ 10.084789][ T186] [ 10.084791][ T186] dump_stack_lvl+0x6f/0xa0 [ 10.084797][ T186] __might_resched.cold+0x1fe/0x2c1 [ 10.084802][ T186] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.084805][ T186] ? __kmalloc_noprof+0xdb/0x760 [ 10.084811][ T186] __kmalloc_noprof+0x443/0x760 [ 10.084813][ T186] ? alloc_buf.isra.0+0x4b/0x260 [ 10.084819][ T186] ? do_raw_spin_unlock+0x59/0x250 [ 10.084822][ T186] alloc_buf.isra.0+0x4b/0x260 [ 10.084825][ T186] put_chars+0x1e1/0x2f0 [ 10.084828][ T186] ? __send_to_port+0x420/0x420 [ 10.084829][ T186] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.084834][ T186] ? validate_chain+0x38b/0xc20 [ 10.084839][ T186] hvc_console_print+0x292/0x780 [ 10.084845][ T186] ? hvc_write+0x3a0/0x3a0 [ 10.084847][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.084850][ T186] ? lock_acquire+0x13c/0x160 [ 10.084854][ T186] console_emit_next_record+0x22f/0x4c0 [ 10.084858][ T186] ? devkmsg_read+0x4b0/0x4b0 [ 10.084860][ T186] ? console_flush_one_record+0x106/0x710 [ 10.084863][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.084865][ T186] ? lock_acquire+0x13c/0x160 [ 10.084869][ T186] console_flush_one_record+0x46f/0x710 [ 10.084873][ T186] ? console_emit_next_record+0x4c0/0x4c0 [ 10.084875][ T186] ? __lock_acquire+0x518/0xc20 [ 10.084880][ T186] console_unlock+0xee/0x1f0 [ 10.084883][ T186] ? console_flush_one_record+0x710/0x710 [ 10.084885][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.084888][ T186] ? lock_acquire+0x60/0x160 [ 10.084891][ T186] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.084893][ T186] ? vprintk_emit+0x320/0x3e0 [ 10.084896][ T186] vprintk_emit+0x37c/0x3e0 [ 10.084900][ T186] ? wake_up_klogd_work_func+0x90/0x90 [ 10.084904][ T186] ? __lock_acquire+0x518/0xc20 [ 10.084907][ T186] _printk+0xc7/0x100 [ 10.084911][ T186] ? snapshot_read.cold+0x21/0x21 [ 10.084914][ T186] ? do_raw_spin_lock+0x131/0x280 [ 10.084916][ T186] ? __rwlock_init+0x150/0x150 [ 10.084920][ T186] ? do_raw_spin_lock+0x131/0x280 [ 10.084923][ T186] do_exit.cold+0x82/0x9c [ 10.084926][ T186] ? exit_notify+0x890/0x890 [ 10.084928][ T186] ? __lock_release.isra.0+0x69/0x1a0 [ 10.084931][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.084935][ T186] do_group_exit+0xb8/0x370 [ 10.084938][ T186] __x64_sys_exit_group+0x3c/0x50 [ 10.084940][ T186] x64_sys_call+0x1567/0x1570 [ 10.084942][ T186] do_syscall_64+0xff/0x530 [ 10.084945][ T186] ? exc_page_fault+0xee/0x100 [ 10.084949][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.084951][ T186] RIP: 0033:0x7f43010c21b8 [ 10.084954][ T186] Code: Unable to access opcode bytes at 0x7f43010c218e. [ 10.084955][ T186] RSP: 002b:00007ffee2035608 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.084957][ T186] RAX: ffffffffffffffda RBX: 00007f43011f2f88 RCX: 00007f43010c21b8 [ 10.084959][ T186] RDX: 00007f4300e0cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.084959][ T186] RBP: 00007ffee2035660 R08: 0000000000000000 R09: 0000000000008010 [ 10.084960][ T186] R10: 00007ffee2035420 R11: 0000000000000246 R12: 0000000000000001 [ 10.084961][ T186] R13: 0000000000000000 R14: 00007f43011f1680 R15: 00007f43011f2fa0 [ 10.084969][ T186] [ 10.851897][ T223] 8021q: 802.1Q VLAN Support v1.8 [ 11.779152][ T255] br1: port 1(veth1) entered blocking state [ 11.779349][ T255] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.779352][ T255] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 255, name: ip [ 11.779354][ T255] preempt_count: 1, expected: 0 [ 11.779356][ T255] RCU nest depth: 0, expected: 0 [ 11.779357][ T255] locks held by ip/255: 5, last CPU#3: [ 11.779361][ T255] #0: ffffffffb1cd2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 11.779376][ T255] #1: ffffffffb1569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.779385][ T255] #2: ffffffffb1569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.779391][ T255] #3: ffffffffb1489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.779397][ T255] #4: ffffffffb1489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.779404][ T255] irq event stamp: 19562 [ 11.779405][ T255] hardirqs last enabled at (19561): [] __down_trylock_console_sem+0x86/0xa0 [ 11.779409][ T255] hardirqs last disabled at (19562): [] console_emit_next_record+0x3d4/0x4c0 [ 11.779412][ T255] softirqs last enabled at (19474): [] __alloc_skb+0x4c2/0x5f0 [ 11.779416][ T255] softirqs last disabled at (19472): [] __alloc_skb+0x4c2/0x5f0 [ 11.779420][ T255] Preemption disabled at: [ 11.779421][ T255] [] vprintk_emit+0x31b/0x3e0 [ 11.779428][ T255] CPU: 3 UID: 0 PID: 255 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.779433][ T255] Tainted: [W]=WARN [ 11.779434][ T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.779437][ T255] Call Trace: [ 11.779439][ T255] [ 11.779441][ T255] dump_stack_lvl+0x6f/0xa0 [ 11.779449][ T255] ? vprintk_emit+0x31b/0x3e0 [ 11.779452][ T255] __might_resched.cold+0x1fe/0x2c1 [ 11.779459][ T255] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.779465][ T255] ? __kmalloc_noprof+0xdb/0x760 [ 11.779472][ T255] __kmalloc_noprof+0x443/0x760 [ 11.779476][ T255] ? alloc_buf.isra.0+0x4b/0x260 [ 11.779485][ T255] ? do_raw_spin_unlock+0x59/0x250 [ 11.779488][ T255] alloc_buf.isra.0+0x4b/0x260 [ 11.779494][ T255] put_chars+0x1e1/0x2f0 [ 11.779498][ T255] ? __send_to_port+0x420/0x420 [ 11.779506][ T255] ? validate_chain+0x34a/0xc20 [ 11.779513][ T255] hvc_console_print+0x292/0x780 [ 11.779517][ T255] ? mark_usage+0x61/0x170 [ 11.779525][ T255] ? __lock_acquire+0x518/0xc20 [ 11.779527][ T255] ? __lock_acquire+0x518/0xc20 [ 11.779534][ T255] ? hvc_write+0x3a0/0x3a0 [ 11.779538][ T255] ? console_emit_next_record+0x1df/0x4c0 [ 11.779543][ T255] ? rcu_is_watching+0x16/0xd0 [ 11.779549][ T255] ? lock_acquire+0x13c/0x160 [ 11.779556][ T255] console_emit_next_record+0x22f/0x4c0 [ 11.779562][ T255] ? devkmsg_read+0x4b0/0x4b0 [ 11.779565][ T255] ? console_flush_one_record+0x106/0x710 [ 11.779570][ T255] ? rcu_is_watching+0x16/0xd0 [ 11.779574][ T255] ? lock_acquire+0x13c/0x160 [ 11.779581][ T255] console_flush_one_record+0x46f/0x710 [ 11.779588][ T255] ? console_emit_next_record+0x4c0/0x4c0 [ 11.779591][ T255] ? __lock_acquire+0x518/0xc20 [ 11.779600][ T255] console_unlock+0xee/0x1f0 [ 11.779604][ T255] ? console_flush_one_record+0x710/0x710 [ 11.779607][ T255] ? rcu_is_watching+0x16/0xd0 [ 11.779611][ T255] ? lock_acquire+0x60/0x160 [ 11.779617][ T255] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.779620][ T255] ? vprintk_emit+0x320/0x3e0 [ 11.779625][ T255] vprintk_emit+0x37c/0x3e0 [ 11.779632][ T255] ? wake_up_klogd_work_func+0x90/0x90 [ 11.779636][ T255] ? __lock_release.isra.0+0x69/0x1a0 [ 11.779638][ T255] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.779644][ T255] ? mark_held_locks+0x40/0x70 [ 11.779650][ T255] _printk+0xc7/0x100 [ 11.779655][ T255] ? snapshot_read.cold+0x21/0x21 [ 11.779662][ T255] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 11.779680][ T255] ? do_setlink.isra.0+0xa31/0x2750 [ 11.779683][ T255] ? rtnl_newlink+0x9f1/0x11c0 [ 11.779685][ T255] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.779693][ T255] br_set_state+0x22f/0x430 [bridge] [ 11.779710][ T255] br_init_port+0xc4/0x200 [bridge] [ 11.779724][ T255] new_nbp+0x39c/0x580 [bridge] [ 11.779741][ T255] br_add_if+0x212/0x1320 [bridge] [ 11.779753][ T255] ? is_bpf_text_address+0x72/0x110 [ 11.779759][ T255] ? kernel_text_address+0x149/0x170 [ 11.779763][ T255] ? __kernel_text_address+0x12/0x30 [ 11.779770][ T255] do_set_master+0x357/0x580 [ 11.779778][ T255] do_setlink.isra.0+0xa31/0x2750 [ 11.779784][ T255] ? stack_trace_save+0x93/0xc0 [ 11.779788][ T255] ? rtnl_link_get_size+0x350/0x350 [ 11.779790][ T255] ? rcu_read_lock_any_held+0x66/0x90 [ 11.779794][ T255] ? stack_depot_save_flags+0x38e/0x790 [ 11.779799][ T255] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.779803][ T255] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.779806][ T255] ? validate_chain+0x38b/0xc20 [ 11.779810][ T255] ? kasan_save_stack+0x3d/0x50 [ 11.779814][ T255] ? kasan_save_stack+0x2f/0x50 [ 11.779817][ T255] ? kasan_save_track+0x14/0x30 [ 11.779822][ T255] ? __lock_acquire+0x518/0xc20 [ 11.779824][ T255] ? netlink_seq_next+0x4e/0x60 [ 11.779829][ T255] ? ___sys_sendmsg+0xb0/0x1d0 [ 11.779836][ T255] ? lock_acquire.part.0+0xd4/0x280 [ 11.779839][ T255] ? rtnl_newlink+0x9a8/0x11c0 [ 11.779844][ T255] ? rcu_is_watching+0x16/0xd0 [ 11.779847][ T255] ? lock_acquire+0x13c/0x160 [ 11.779850][ T255] ? rcu_is_watching+0x16/0xd0 [ 11.779852][ T255] ? rcu_is_watching+0x16/0xd0 [ 11.779856][ T255] ? trace_contention_end+0xb3/0x180 [ 11.779862][ T255] ? __mutex_lock+0x1db/0x1ea0 [ 11.779864][ T255] ? __mutex_lock+0x9a3/0x1ea0 [ 11.779868][ T255] ? rtnl_newlink+0x9a8/0x11c0 [ 11.779874][ T255] ? ww_mutex_lock+0x160/0x160 [ 11.779877][ T255] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.779886][ T255] ? __rtnl_newlink+0x3fa/0xa50 [ 11.779896][ T255] rtnl_newlink+0x9f1/0x11c0 [ 11.779905][ T255] ? rtnl_bridge_getlink+0x850/0x850 [ 11.779909][ T255] ? __lock_acquire+0x518/0xc20 [ 11.779917][ T255] ? lock_acquire.part.0+0xd4/0x280 [ 11.779920][ T255] ? find_held_lock+0x2b/0x80 [ 11.779923][ T255] ? rtnl_bridge_getlink+0x850/0x850 [ 11.779926][ T255] ? __lock_release.isra.0+0x69/0x1a0 [ 11.779933][ T255] ? rtnl_bridge_getlink+0x850/0x850 [ 11.779936][ T255] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.779942][ T255] ? rtnl_link_fill+0x920/0x920 [ 11.779944][ T255] ? __lock_acquire+0x518/0xc20 [ 11.779952][ T255] ? lock_acquire.part.0+0xd4/0x280 [ 11.779955][ T255] ? find_held_lock+0x2b/0x80 [ 11.779961][ T255] netlink_rcv_skb+0x14e/0x3a0 [ 11.779964][ T255] ? rtnl_link_fill+0x920/0x920 [ 11.779969][ T255] ? netlink_ack+0xcf0/0xcf0 [ 11.779981][ T255] ? netlink_deliver_tap+0xc5/0x330 [ 11.779983][ T255] ? netlink_deliver_tap+0x13c/0x330 [ 11.779991][ T255] netlink_unicast+0x486/0x750 [ 11.779998][ T255] ? netlink_attachskb+0x810/0x810 [ 11.780002][ T255] ? __lock_acquire+0x518/0xc20 [ 11.780010][ T255] netlink_sendmsg+0x735/0xc60 [ 11.780017][ T255] ? netlink_unicast+0x750/0x750 [ 11.780023][ T255] ? __might_fault+0x97/0x140 [ 11.780031][ T255] ____sys_sendmsg+0x415/0x880 [ 11.780035][ T255] ? copy_msghdr_from_user+0x279/0x420 [ 11.780038][ T255] ? get_timestamp.constprop.0+0x390/0x390 [ 11.780041][ T255] ? move_addr_to_kernel+0x40/0x40 [ 11.780054][ T255] ___sys_sendmsg+0x14e/0x1d0 [ 11.780059][ T255] ? copy_msghdr_from_user+0x420/0x420 [ 11.780089][ T255] __sys_sendmsg+0x12c/0x1d0 [ 11.780093][ T255] ? __sys_sendmsg_sock+0x20/0x20 [ 11.780104][ T255] ? rcu_is_watching+0x16/0xd0 [ 11.780110][ T255] do_syscall_64+0xff/0x530 [ 11.780113][ T255] ? exc_page_fault+0xee/0x100 [ 11.780118][ T255] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.780122][ T255] RIP: 0033:0x7f955c9a254e [ 11.780126][ T255] 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 [ 11.780129][ T255] RSP: 002b:00007ffd27a34130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.780133][ T255] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f955c9a254e [ 11.780135][ T255] RDX: 0000000000000000 RSI: 00007ffd27a341e0 RDI: 0000000000000005 [ 11.780136][ T255] RBP: 00007ffd27a34140 R08: 0000000000000000 R09: 0000000000000000 [ 11.780137][ T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9163ea [ 11.780139][ T255] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd27a348a0 [ 11.780152][ T255] [ 11.844019][ T255] br1: port 1(veth1) entered disabled state [ 11.844700][ T255] veth1: entered allmulticast mode [ 11.848098][ T255] veth1: entered promiscuous mode [ 11.867937][ T255] ip (255) used greatest stack depth: 23336 bytes left [ 11.888208][ T256] br1: port 2(veth2) entered blocking state [ 11.888581][ T256] br1: port 2(veth2) entered disabled state [ 11.888946][ T256] veth2: entered allmulticast mode [ 11.890995][ T256] veth2: entered promiscuous mode [ 11.925085][ T46] br1: port 1(veth1) entered blocking state [ 11.925567][ T46] br1: port 1(veth1) entered forwarding state [ 11.953877][ T188] br1: port 2(veth2) entered blocking state [ 11.954302][ T188] br1: port 2(veth2) entered forwarding state [ 19.922299][ T323] veth2: left allmulticast mode [ 19.922321][ T323] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.922323][ T323] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 323, name: ip [ 19.922325][ T323] preempt_count: 1, expected: 0 [ 19.922326][ T323] RCU nest depth: 0, expected: 0 [ 19.922327][ T323] locks held by ip/323: 5, last CPU#1: [ 19.922329][ T323] #0: ffffffffb1cd2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 19.922341][ T323] #1: ffffffffb1569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.922347][ T323] #2: ffffffffb1569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.922352][ T323] #3: ffffffffb1489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.922355][ T323] #4: ffffffffb1489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 19.922360][ T323] irq event stamp: 15332 [ 19.922360][ T323] hardirqs last enabled at (15331): [] __down_trylock_console_sem+0x86/0xa0 [ 19.922363][ T323] hardirqs last disabled at (15332): [] console_emit_next_record+0x3d4/0x4c0 [ 19.922365][ T323] softirqs last enabled at (15318): [] handle_softirqs+0x67c/0x900 [ 19.922368][ T323] softirqs last disabled at (15313): [] __irq_exit_rcu+0x145/0x1c0 [ 19.922370][ T323] Preemption disabled at: [ 19.922371][ T323] [] vprintk_emit+0x31b/0x3e0 [ 19.922377][ T323] CPU: 1 UID: 0 PID: 323 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.922380][ T323] Tainted: [W]=WARN [ 19.922381][ T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.922382][ T323] Call Trace: [ 19.922384][ T323] [ 19.922386][ T323] dump_stack_lvl+0x6f/0xa0 [ 19.922391][ T323] ? vprintk_emit+0x31b/0x3e0 [ 19.922394][ T323] __might_resched.cold+0x1fe/0x2c1 [ 19.922398][ T323] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.922403][ T323] ? __kmalloc_noprof+0xdb/0x760 [ 19.922408][ T323] __kmalloc_noprof+0x443/0x760 [ 19.922410][ T323] ? alloc_buf.isra.0+0x4b/0x260 [ 19.922415][ T323] ? do_raw_spin_unlock+0x59/0x250 [ 19.922418][ T323] alloc_buf.isra.0+0x4b/0x260 [ 19.922421][ T323] put_chars+0x1e1/0x2f0 [ 19.922424][ T323] ? __send_to_port+0x420/0x420 [ 19.922426][ T323] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.922430][ T323] ? validate_chain+0x38b/0xc20 [ 19.922435][ T323] hvc_console_print+0x292/0x780 [ 19.922442][ T323] ? hvc_write+0x3a0/0x3a0 [ 19.922444][ T323] ? rcu_is_watching+0x16/0xd0 [ 19.922446][ T323] ? lock_acquire+0x13c/0x160 [ 19.922450][ T323] console_emit_next_record+0x22f/0x4c0 [ 19.922454][ T323] ? devkmsg_read+0x4b0/0x4b0 [ 19.922456][ T323] ? console_flush_one_record+0x106/0x710 [ 19.922459][ T323] ? rcu_is_watching+0x16/0xd0 [ 19.922462][ T323] ? lock_acquire+0x13c/0x160 [ 19.922466][ T323] console_flush_one_record+0x46f/0x710 [ 19.922470][ T323] ? console_emit_next_record+0x4c0/0x4c0 [ 19.922471][ T323] ? __lock_acquire+0x518/0xc20 [ 19.922477][ T323] console_unlock+0xee/0x1f0 [ 19.922480][ T323] ? console_flush_one_record+0x710/0x710 [ 19.922481][ T323] ? rcu_is_watching+0x16/0xd0 [ 19.922484][ T323] ? lock_acquire+0x60/0x160 [ 19.922487][ T323] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.922489][ T323] ? vprintk_emit+0x320/0x3e0 [ 19.922492][ T323] vprintk_emit+0x37c/0x3e0 [ 19.922496][ T323] ? wake_up_klogd_work_func+0x90/0x90 [ 19.922498][ T323] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.922500][ T323] ? netlink_unicast+0x486/0x750 [ 19.922503][ T323] ? netlink_sendmsg+0x735/0xc60 [ 19.922504][ T323] ? ____sys_sendmsg+0x415/0x880 [ 19.922507][ T323] ? ___sys_sendmsg+0x14e/0x1d0 [ 19.922508][ T323] ? __sys_sendmsg+0x12c/0x1d0 [ 19.922510][ T323] ? do_syscall_64+0xff/0x530 [ 19.922515][ T323] _printk+0xc7/0x100 [ 19.922519][ T323] ? snapshot_read.cold+0x21/0x21 [ 19.922523][ T323] ? netdev_name+0x43/0x60 [ 19.922527][ T323] ? __netdev_printk+0x17f/0x1d0 [ 19.922530][ T323] netdev_info+0xe2/0x116 [ 19.922533][ T323] ? netdev_notice+0x120/0x120 [ 19.922536][ T323] ? rcu_is_watching+0x16/0xd0 [ 19.922539][ T323] ? __up_read+0x355/0x9e0 [ 19.922547][ T323] ? down_write_nested+0x200/0x200 [ 19.922548][ T323] ? __lock_release.isra.0+0x69/0x1a0 [ 19.922550][ T323] ? mutex_is_locked+0x1c/0x50 [ 19.922554][ T323] netif_set_allmulti.cold+0x7c/0x166 [ 19.922559][ T323] dev_set_allmulti+0xa2/0x150 [ 19.922562][ T323] del_nbp+0xb7/0xc10 [bridge] [ 19.922575][ T323] ? is_bpf_text_address+0x72/0x110 [ 19.922581][ T323] br_del_if+0xab/0x200 [bridge] [ 19.922589][ T323] ? rtnl_is_locked+0x15/0x20 [ 19.922592][ T323] do_set_master+0x15c/0x580 [ 19.922596][ T323] do_setlink.isra.0+0xa31/0x2750 [ 19.922599][ T323] ? stack_trace_save+0x93/0xc0 [ 19.922603][ T323] ? rtnl_link_get_size+0x350/0x350 [ 19.922604][ T323] ? rcu_read_lock_any_held+0x66/0x90 [ 19.922606][ T323] ? stack_depot_save_flags+0x38e/0x790 [ 19.922610][ T323] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.922613][ T323] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.922614][ T323] ? validate_chain+0x38b/0xc20 [ 19.922617][ T323] ? kasan_save_stack+0x3d/0x50 [ 19.922620][ T323] ? kasan_save_stack+0x2f/0x50 [ 19.922622][ T323] ? kasan_save_track+0x14/0x30 [ 19.922624][ T323] ? __lock_acquire+0x518/0xc20 [ 19.922626][ T323] ? netlink_seq_next+0x4e/0x60 [ 19.922628][ T323] ? ___sys_sendmsg+0xb0/0x1d0 [ 19.922631][ T323] ? lock_acquire.part.0+0xd4/0x280 [ 19.922633][ T323] ? rtnl_newlink+0x9a8/0x11c0 [ 19.922636][ T323] ? rcu_is_watching+0x16/0xd0 [ 19.922638][ T323] ? lock_acquire+0x13c/0x160 [ 19.922640][ T323] ? rcu_is_watching+0x16/0xd0 [ 19.922641][ T323] ? rcu_is_watching+0x16/0xd0 [ 19.922644][ T323] ? trace_contention_end+0xb3/0x180 [ 19.922646][ T323] ? __mutex_lock+0x1db/0x1ea0 [ 19.922649][ T323] ? __mutex_lock+0x9a3/0x1ea0 [ 19.922651][ T323] ? rtnl_newlink+0x9a8/0x11c0 [ 19.922654][ T323] ? ww_mutex_lock+0x160/0x160 [ 19.922656][ T323] ? nla_get_range_signed+0x3d0/0x3d0 [ 19.922661][ T323] ? __rtnl_newlink+0x3fa/0xa50 [ 19.922666][ T323] rtnl_newlink+0x9f1/0x11c0 [ 19.922671][ T323] ? rtnl_bridge_getlink+0x850/0x850 [ 19.922673][ T323] ? __lock_acquire+0x518/0xc20 [ 19.922677][ T323] ? lock_acquire.part.0+0xd4/0x280 [ 19.922679][ T323] ? find_held_lock+0x2b/0x80 [ 19.922681][ T323] ? rtnl_bridge_getlink+0x850/0x850 [ 19.922683][ T323] ? __lock_release.isra.0+0x69/0x1a0 [ 19.922687][ T323] ? rtnl_bridge_getlink+0x850/0x850 [ 19.922689][ T323] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.922692][ T323] ? rtnl_link_fill+0x920/0x920 [ 19.922693][ T323] ? __lock_acquire+0x518/0xc20 [ 19.922697][ T323] ? lock_acquire.part.0+0xd4/0x280 [ 19.922699][ T323] ? find_held_lock+0x2b/0x80 [ 19.922703][ T323] netlink_rcv_skb+0x14e/0x3a0 [ 19.922704][ T323] ? rtnl_link_fill+0x920/0x920 [ 19.922707][ T323] ? netlink_ack+0xcf0/0xcf0 [ 19.922713][ T323] ? netlink_deliver_tap+0xc5/0x330 [ 19.922715][ T323] ? netlink_deliver_tap+0x13c/0x330 [ 19.922719][ T323] netlink_unicast+0x486/0x750 [ 19.922722][ T323] ? netlink_attachskb+0x810/0x810 [ 19.922725][ T323] ? __lock_acquire+0x518/0xc20 [ 19.922729][ T323] netlink_sendmsg+0x735/0xc60 [ 19.922733][ T323] ? netlink_unicast+0x750/0x750 [ 19.922736][ T323] ? __might_fault+0x97/0x140 [ 19.922741][ T323] ____sys_sendmsg+0x415/0x880 [ 19.922744][ T323] ? copy_msghdr_from_user+0x279/0x420 [ 19.922746][ T323] ? get_timestamp.constprop.0+0x390/0x390 [ 19.922747][ T323] ? move_addr_to_kernel+0x40/0x40 [ 19.922754][ T323] ___sys_sendmsg+0x14e/0x1d0 [ 19.922757][ T323] ? copy_msghdr_from_user+0x420/0x420 [ 19.922772][ T323] __sys_sendmsg+0x12c/0x1d0 [ 19.922775][ T323] ? __sys_sendmsg_sock+0x20/0x20 [ 19.922781][ T323] ? rcu_is_watching+0x16/0xd0 [ 19.922785][ T323] do_syscall_64+0xff/0x530 [ 19.922786][ T323] ? exc_page_fault+0xee/0x100 [ 19.922789][ T323] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.922792][ T323] RIP: 0033:0x7fa4e572b54e [ 19.922795][ 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 [ 19.922797][ T323] RSP: 002b:00007ffd902d8680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 19.922799][ T323] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa4e572b54e [ 19.922801][ T323] RDX: 0000000000000000 RSI: 00007ffd902d8730 RDI: 0000000000000005 [ 19.922802][ T323] RBP: 00007ffd902d8690 R08: 0000000000000000 R09: 0000000000000000 [ 19.922802][ T323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9163f2 [ 19.922803][ T323] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd902d8df0 [ 19.922810][ T323] [ 19.964222][ T323] veth2: left promiscuous mode [ 19.964657][ T323] br1: port 2(veth2) entered disabled state [ 19.980341][ T323] ip (323) used greatest stack depth: 23208 bytes left [ 20.000116][ T324] veth1: left allmulticast mode [ 20.000946][ T324] veth1: left promiscuous mode [ 20.001288][ T324] br1: port 1(veth1) entered disabled state [ 22.046234][ T327] br1: port 1(veth1) entered blocking state [ 22.046254][ T327] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.046256][ T327] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 327, name: ip [ 22.046258][ T327] preempt_count: 1, expected: 0 [ 22.046259][ T327] RCU nest depth: 0, expected: 0 [ 22.046260][ T327] locks held by ip/327: 5, last CPU#3: [ 22.046262][ T327] #0: ffffffffb1cd2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 22.046275][ T327] #1: ffffffffb1569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.046282][ T327] #2: ffffffffb1569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.046285][ T327] #3: ffffffffb1489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.046290][ T327] #4: ffffffffb1489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 22.046294][ T327] irq event stamp: 20344 [ 22.046295][ T327] hardirqs last enabled at (20343): [] __down_trylock_console_sem+0x86/0xa0 [ 22.046297][ T327] hardirqs last disabled at (20344): [] console_emit_next_record+0x3d4/0x4c0 [ 22.046299][ T327] softirqs last enabled at (20284): [] __alloc_skb+0x4c2/0x5f0 [ 22.046303][ T327] softirqs last disabled at (20282): [] __alloc_skb+0x4c2/0x5f0 [ 22.046305][ T327] Preemption disabled at: [ 22.046306][ T327] [] vprintk_emit+0x31b/0x3e0 [ 22.046312][ T327] CPU: 3 UID: 0 PID: 327 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.046315][ T327] Tainted: [W]=WARN [ 22.046316][ T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.046318][ T327] Call Trace: [ 22.046320][ T327] [ 22.046322][ T327] dump_stack_lvl+0x6f/0xa0 [ 22.046328][ T327] ? vprintk_emit+0x31b/0x3e0 [ 22.046330][ T327] __might_resched.cold+0x1fe/0x2c1 [ 22.046335][ T327] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.046339][ T327] ? __kmalloc_noprof+0xdb/0x760 [ 22.046344][ T327] __kmalloc_noprof+0x443/0x760 [ 22.046347][ T327] ? alloc_buf.isra.0+0x4b/0x260 [ 22.046353][ T327] ? do_raw_spin_unlock+0x59/0x250 [ 22.046356][ T327] alloc_buf.isra.0+0x4b/0x260 [ 22.046359][ T327] put_chars+0x1e1/0x2f0 [ 22.046361][ T327] ? prb_final_commit+0x50/0x50 [ 22.046363][ T327] ? __send_to_port+0x420/0x420 [ 22.046366][ T327] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.046370][ T327] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.046373][ T327] ? validate_chain+0x38b/0xc20 [ 22.046376][ T327] hvc_console_print+0x292/0x780 [ 22.046379][ T327] ? mark_usage+0x61/0x170 [ 22.046381][ T327] ? __lock_acquire+0x518/0xc20 [ 22.046383][ T327] ? __lock_acquire+0x518/0xc20 [ 22.046387][ T327] ? hvc_write+0x3a0/0x3a0 [ 22.046389][ T327] ? console_emit_next_record+0x1df/0x4c0 [ 22.046392][ T327] ? rcu_is_watching+0x16/0xd0 [ 22.046394][ T327] ? lock_acquire+0x13c/0x160 [ 22.046398][ T327] console_emit_next_record+0x22f/0x4c0 [ 22.046402][ T327] ? devkmsg_read+0x4b0/0x4b0 [ 22.046404][ T327] ? console_flush_one_record+0x106/0x710 [ 22.046408][ T327] ? rcu_is_watching+0x16/0xd0 [ 22.046410][ T327] ? lock_acquire+0x13c/0x160 [ 22.046414][ T327] console_flush_one_record+0x46f/0x710 [ 22.046418][ T327] ? console_emit_next_record+0x4c0/0x4c0 [ 22.046420][ T327] ? __lock_acquire+0x518/0xc20 [ 22.046425][ T327] console_unlock+0xee/0x1f0 [ 22.046428][ T327] ? console_flush_one_record+0x710/0x710 [ 22.046430][ T327] ? rcu_is_watching+0x16/0xd0 [ 22.046433][ T327] ? lock_acquire+0x60/0x160 [ 22.046436][ T327] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.046438][ T327] ? vprintk_emit+0x320/0x3e0 [ 22.046441][ T327] vprintk_emit+0x37c/0x3e0 [ 22.046445][ T327] ? wake_up_klogd_work_func+0x90/0x90 [ 22.046448][ T327] ? __lock_release.isra.0+0x69/0x1a0 [ 22.046451][ T327] ? mark_held_locks+0x40/0x70 [ 22.046454][ T327] _printk+0xc7/0x100 [ 22.046458][ T327] ? snapshot_read.cold+0x21/0x21 [ 22.046462][ T327] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 22.046475][ T327] ? do_setlink.isra.0+0xa31/0x2750 [ 22.046476][ T327] ? rtnl_newlink+0x9f1/0x11c0 [ 22.046477][ T327] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.046482][ T327] br_set_state+0x22f/0x430 [bridge] [ 22.046492][ T327] br_init_port+0xc4/0x200 [bridge] [ 22.046501][ T327] new_nbp+0x39c/0x580 [bridge] [ 22.046510][ T327] br_add_if+0x212/0x1320 [bridge] [ 22.046517][ T327] ? is_bpf_text_address+0x72/0x110 [ 22.046521][ T327] ? kernel_text_address+0x149/0x170 [ 22.046525][ T327] ? __kernel_text_address+0x12/0x30 [ 22.046528][ T327] do_set_master+0x357/0x580 [ 22.046533][ T327] do_setlink.isra.0+0xa31/0x2750 [ 22.046536][ T327] ? stack_trace_save+0x93/0xc0 [ 22.046539][ T327] ? rtnl_link_get_size+0x350/0x350 [ 22.046541][ T327] ? rcu_read_lock_any_held+0x66/0x90 [ 22.046543][ T327] ? stack_depot_save_flags+0x38e/0x790 [ 22.046552][ T327] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.046554][ T327] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.046556][ T327] ? validate_chain+0x38b/0xc20 [ 22.046559][ T327] ? kasan_save_stack+0x3d/0x50 [ 22.046562][ T327] ? kasan_save_stack+0x2f/0x50 [ 22.046563][ T327] ? kasan_save_track+0x14/0x30 [ 22.046566][ T327] ? __lock_acquire+0x518/0xc20 [ 22.046568][ T327] ? netlink_seq_next+0x4e/0x60 [ 22.046571][ T327] ? ___sys_sendmsg+0xb0/0x1d0 [ 22.046576][ T327] ? lock_acquire.part.0+0xd4/0x280 [ 22.046578][ T327] ? rtnl_newlink+0x9a8/0x11c0 [ 22.046580][ T327] ? rcu_is_watching+0x16/0xd0 [ 22.046583][ T327] ? lock_acquire+0x13c/0x160 [ 22.046584][ T327] ? rcu_is_watching+0x16/0xd0 [ 22.046586][ T327] ? rcu_is_watching+0x16/0xd0 [ 22.046588][ T327] ? trace_contention_end+0xb3/0x180 [ 22.046592][ T327] ? __mutex_lock+0x1db/0x1ea0 [ 22.046595][ T327] ? __mutex_lock+0x9a3/0x1ea0 [ 22.046597][ T327] ? rtnl_newlink+0x9a8/0x11c0 [ 22.046601][ T327] ? ww_mutex_lock+0x160/0x160 [ 22.046602][ T327] ? nla_get_range_signed+0x3d0/0x3d0 [ 22.046607][ T327] ? __rtnl_newlink+0x3fa/0xa50 [ 22.046613][ T327] rtnl_newlink+0x9f1/0x11c0 [ 22.046618][ T327] ? rtnl_bridge_getlink+0x850/0x850 [ 22.046620][ T327] ? __lock_acquire+0x518/0xc20 [ 22.046624][ T327] ? lock_acquire.part.0+0xd4/0x280 [ 22.046626][ T327] ? find_held_lock+0x2b/0x80 [ 22.046628][ T327] ? rtnl_bridge_getlink+0x850/0x850 [ 22.046630][ T327] ? __lock_release.isra.0+0x69/0x1a0 [ 22.046634][ T327] ? rtnl_bridge_getlink+0x850/0x850 [ 22.046636][ T327] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.046639][ T327] ? rtnl_link_fill+0x920/0x920 [ 22.046640][ T327] ? __lock_acquire+0x518/0xc20 [ 22.046645][ T327] ? lock_acquire.part.0+0xd4/0x280 [ 22.046647][ T327] ? find_held_lock+0x2b/0x80 [ 22.046650][ T327] netlink_rcv_skb+0x14e/0x3a0 [ 22.046652][ T327] ? rtnl_link_fill+0x920/0x920 [ 22.046655][ T327] ? netlink_ack+0xcf0/0xcf0 [ 22.046661][ T327] ? netlink_deliver_tap+0xc5/0x330 [ 22.046663][ T327] ? netlink_deliver_tap+0x13c/0x330 [ 22.046667][ T327] netlink_unicast+0x486/0x750 [ 22.046671][ T327] ? netlink_attachskb+0x810/0x810 [ 22.046673][ T327] ? __lock_acquire+0x518/0xc20 [ 22.046677][ T327] netlink_sendmsg+0x735/0xc60 [ 22.046681][ T327] ? netlink_unicast+0x750/0x750 [ 22.046685][ T327] ? __might_fault+0x97/0x140 [ 22.046690][ T327] ____sys_sendmsg+0x415/0x880 [ 22.046693][ T327] ? copy_msghdr_from_user+0x279/0x420 [ 22.046695][ T327] ? get_timestamp.constprop.0+0x390/0x390 [ 22.046697][ T327] ? move_addr_to_kernel+0x40/0x40 [ 22.046704][ T327] ___sys_sendmsg+0x14e/0x1d0 [ 22.046707][ T327] ? copy_msghdr_from_user+0x420/0x420 [ 22.046722][ T327] __sys_sendmsg+0x12c/0x1d0 [ 22.046725][ T327] ? __sys_sendmsg_sock+0x20/0x20 [ 22.046732][ T327] ? rcu_is_watching+0x16/0xd0 [ 22.046735][ T327] do_syscall_64+0xff/0x530 [ 22.046738][ T327] ? exc_page_fault+0xee/0x100 [ 22.046741][ T327] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.046743][ T327] RIP: 0033:0x7f99e69b554e [ 22.046746][ T327] 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 [ 22.046749][ T327] RSP: 002b:00007ffdb8e8f3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.046751][ T327] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f99e69b554e [ 22.046753][ T327] RDX: 0000000000000000 RSI: 00007ffdb8e8f4a0 RDI: 0000000000000005 [ 22.046754][ T327] RBP: 00007ffdb8e8f400 R08: 0000000000000000 R09: 0000000000000000 [ 22.046755][ T327] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9163f4 [ 22.046756][ T327] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb8e8fb60 [ 22.046763][ T327] [ 22.087096][ T327] br1: port 1(veth1) entered disabled state [ 22.087506][ T327] veth1: entered allmulticast mode [ 22.089162][ T327] veth1: entered promiscuous mode [ 22.089766][ T327] br1: port 1(veth1) entered blocking state [ 22.090397][ T327] br1: port 1(veth1) entered forwarding state [ 22.129683][ T328] br1: port 2(veth2) entered blocking state [ 22.130024][ T328] br1: port 2(veth2) entered disabled state [ 22.130368][ T328] veth2: entered allmulticast mode [ 22.132856][ T328] veth2: entered promiscuous mode [ 22.133513][ T328] br1: port 2(veth2) entered blocking state [ 22.133814][ T328] br1: port 2(veth2) entered forwarding state [ 24.738615][ T375] br1: port 2(veth2) entered disabled state [ 24.738635][ T375] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.738637][ T375] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 375, name: ip [ 24.738639][ T375] preempt_count: 202, expected: 0 [ 24.738640][ T375] RCU nest depth: 0, expected: 0 [ 24.738641][ T375] locks held by ip/375: 6, last CPU#0: [ 24.738643][ T375] #0: ffffffffb1cd2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 24.738656][ T375] #1: ff1100000c7a2e58 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [bridge] [ 24.738671][ T375] #2: ffffffffb1569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.738677][ T375] #3: ffffffffb1569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.738681][ T375] #4: ffffffffb1489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.738685][ T375] #5: ffffffffb1489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 24.738689][ T375] irq event stamp: 13563 [ 24.738690][ T375] hardirqs last enabled at (13562): [] __down_trylock_console_sem+0x86/0xa0 [ 24.738693][ T375] hardirqs last disabled at (13563): [] console_emit_next_record+0x3d4/0x4c0 [ 24.738695][ T375] softirqs last enabled at (13546): [] ipv6_mc_down+0x134/0x2d0 [ 24.738699][ T375] softirqs last disabled at (13558): [] br_device_event+0x1d7/0x8f0 [bridge] [ 24.738706][ T375] Preemption disabled at: [ 24.738707][ T375] [<0000000000000000>] 0x0 [ 24.738713][ T375] CPU: 0 UID: 0 PID: 375 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.738717][ T375] Tainted: [W]=WARN [ 24.738718][ T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.738720][ T375] Call Trace: [ 24.738722][ T375] [ 24.738723][ T375] dump_stack_lvl+0x6f/0xa0 [ 24.738730][ T375] __might_resched.cold+0x1fe/0x2c1 [ 24.738735][ T375] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.738739][ T375] ? __kmalloc_noprof+0xdb/0x760 [ 24.738744][ T375] __kmalloc_noprof+0x443/0x760 [ 24.738746][ T375] ? alloc_buf.isra.0+0x4b/0x260 [ 24.738752][ T375] ? do_raw_spin_unlock+0x59/0x250 [ 24.738755][ T375] alloc_buf.isra.0+0x4b/0x260 [ 24.738758][ T375] put_chars+0x1e1/0x2f0 [ 24.738761][ T375] ? __send_to_port+0x420/0x420 [ 24.738764][ T375] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.738768][ T375] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.738771][ T375] ? validate_chain+0x38b/0xc20 [ 24.738775][ T375] hvc_console_print+0x292/0x780 [ 24.738777][ T375] ? mark_usage+0x61/0x170 [ 24.738779][ T375] ? __lock_acquire+0x518/0xc20 [ 24.738781][ T375] ? __lock_acquire+0x518/0xc20 [ 24.738785][ T375] ? hvc_write+0x3a0/0x3a0 [ 24.738786][ T375] ? lock_acquire.part.0+0xd4/0x280 [ 24.738791][ T375] ? lock_acquire+0x13c/0x160 [ 24.738795][ T375] console_emit_next_record+0x22f/0x4c0 [ 24.738799][ T375] ? devkmsg_read+0x4b0/0x4b0 [ 24.738801][ T375] ? console_flush_one_record+0x106/0x710 [ 24.738804][ T375] ? rcu_is_watching+0x16/0xd0 [ 24.738806][ T375] ? lock_acquire+0x13c/0x160 [ 24.738811][ T375] console_flush_one_record+0x46f/0x710 [ 24.738815][ T375] ? console_emit_next_record+0x4c0/0x4c0 [ 24.738817][ T375] ? __lock_acquire+0x518/0xc20 [ 24.738822][ T375] console_unlock+0xee/0x1f0 [ 24.738825][ T375] ? console_flush_one_record+0x710/0x710 [ 24.738827][ T375] ? rcu_is_watching+0x16/0xd0 [ 24.738829][ T375] ? lock_acquire+0x60/0x160 [ 24.738833][ T375] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.738835][ T375] ? vprintk_emit+0x320/0x3e0 [ 24.738838][ T375] vprintk_emit+0x37c/0x3e0 [ 24.738842][ T375] ? wake_up_klogd_work_func+0x90/0x90 [ 24.738844][ T375] ? mark_held_locks+0x40/0x70 [ 24.738847][ T375] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.738849][ T375] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.738853][ T375] _printk+0xc7/0x100 [ 24.738856][ T375] ? snapshot_read.cold+0x21/0x21 [ 24.738864][ T375] br_set_state+0x22f/0x430 [bridge] [ 24.738875][ T375] br_stp_disable_port+0x11f/0x390 [bridge] [ 24.738885][ T375] br_device_event+0x7b5/0x8f0 [bridge] [ 24.738892][ T375] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 24.738896][ T375] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 24.738902][ T375] notifier_call_chain+0xae/0x300 [ 24.738908][ T375] __dev_notify_flags+0x23c/0x3c0 [ 24.738913][ T375] ? netif_change_name+0x8c0/0x8c0 [ 24.738917][ T375] ? netif_set_allmulti+0x250/0x250 [ 24.738920][ T375] ? __kernel_text_address+0x12/0x30 [ 24.738922][ T375] ? write_profile+0xf0/0xf0 [ 24.738924][ T375] ? unwind_get_return_address+0x67/0xd0 [ 24.738929][ T375] netif_change_flags+0xfe/0x190 [ 24.738933][ T375] do_setlink.isra.0+0x1cc3/0x2750 [ 24.738937][ T375] ? stack_trace_save+0x93/0xc0 [ 24.738939][ T375] ? rtnl_link_get_size+0x350/0x350 [ 24.738941][ T375] ? rcu_read_lock_any_held+0x66/0x90 [ 24.738942][ T375] ? stack_depot_save_flags+0x38e/0x790 [ 24.738946][ T375] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.738948][ T375] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.738950][ T375] ? validate_chain+0x38b/0xc20 [ 24.738953][ T375] ? kasan_save_stack+0x3d/0x50 [ 24.738956][ T375] ? kasan_save_stack+0x2f/0x50 [ 24.738957][ T375] ? kasan_save_track+0x14/0x30 [ 24.738960][ T375] ? __lock_acquire+0x518/0xc20 [ 24.738962][ T375] ? netlink_seq_next+0x4e/0x60 [ 24.738965][ T375] ? ___sys_sendmsg+0xb0/0x1d0 [ 24.738970][ T375] ? lock_acquire.part.0+0xd4/0x280 [ 24.738972][ T375] ? rtnl_newlink+0x9a8/0x11c0 [ 24.738974][ T375] ? rcu_is_watching+0x16/0xd0 [ 24.738977][ T375] ? lock_acquire+0x13c/0x160 [ 24.738978][ T375] ? rcu_is_watching+0x16/0xd0 [ 24.738980][ T375] ? rcu_is_watching+0x16/0xd0 [ 24.738982][ T375] ? trace_contention_end+0xb3/0x180 [ 24.738986][ T375] ? __mutex_lock+0x1db/0x1ea0 [ 24.738988][ T375] ? __mutex_lock+0x9a3/0x1ea0 [ 24.738990][ T375] ? rtnl_newlink+0x9a8/0x11c0 [ 24.738994][ T375] ? ww_mutex_lock+0x160/0x160 [ 24.738995][ T375] ? nla_get_range_signed+0x3d0/0x3d0 [ 24.739000][ T375] ? __rtnl_newlink+0x3fa/0xa50 [ 24.739005][ T375] rtnl_newlink+0x9f1/0x11c0 [ 24.739011][ T375] ? rtnl_bridge_getlink+0x850/0x850 [ 24.739013][ T375] ? __lock_acquire+0x518/0xc20 [ 24.739017][ T375] ? lock_acquire.part.0+0xd4/0x280 [ 24.739019][ T375] ? find_held_lock+0x2b/0x80 [ 24.739021][ T375] ? rtnl_bridge_getlink+0x850/0x850 [ 24.739023][ T375] ? __lock_release.isra.0+0x69/0x1a0 [ 24.739027][ T375] ? rtnl_bridge_getlink+0x850/0x850 [ 24.739029][ T375] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 24.739032][ T375] ? rtnl_link_fill+0x920/0x920 [ 24.739033][ T375] ? __lock_acquire+0x518/0xc20 [ 24.739038][ T375] ? lock_acquire.part.0+0xd4/0x280 [ 24.739040][ T375] ? find_held_lock+0x2b/0x80 [ 24.739043][ T375] netlink_rcv_skb+0x14e/0x3a0 [ 24.739045][ T375] ? rtnl_link_fill+0x920/0x920 [ 24.739048][ T375] ? netlink_ack+0xcf0/0xcf0 [ 24.739054][ T375] ? netlink_deliver_tap+0xc5/0x330 [ 24.739055][ T375] ? netlink_deliver_tap+0x13c/0x330 [ 24.739060][ T375] netlink_unicast+0x486/0x750 [ 24.739064][ T375] ? netlink_attachskb+0x810/0x810 [ 24.739066][ T375] ? __lock_acquire+0x518/0xc20 [ 24.739070][ T375] netlink_sendmsg+0x735/0xc60 [ 24.739074][ T375] ? netlink_unicast+0x750/0x750 [ 24.739078][ T375] ? __might_fault+0x97/0x140 [ 24.739084][ T375] ____sys_sendmsg+0x415/0x880 [ 24.739086][ T375] ? copy_msghdr_from_user+0x279/0x420 [ 24.739088][ T375] ? get_timestamp.constprop.0+0x390/0x390 [ 24.739090][ T375] ? move_addr_to_kernel+0x40/0x40 [ 24.739097][ T375] ___sys_sendmsg+0x14e/0x1d0 [ 24.739100][ T375] ? copy_msghdr_from_user+0x420/0x420 [ 24.739116][ T375] __sys_sendmsg+0x12c/0x1d0 [ 24.739119][ T375] ? __sys_sendmsg_sock+0x20/0x20 [ 24.739125][ T375] ? rcu_is_watching+0x16/0xd0 [ 24.739129][ T375] do_syscall_64+0xff/0x530 [ 24.739131][ T375] ? exc_page_fault+0xee/0x100 [ 24.739135][ T375] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.739137][ T375] RIP: 0033:0x7f8ab7e0d54e [ 24.739139][ T375] 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 [ 24.739142][ T375] RSP: 002b:00007fffa829e330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.739144][ T375] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8ab7e0d54e [ 24.739146][ T375] RDX: 0000000000000000 RSI: 00007fffa829e3e0 RDI: 0000000000000005 [ 24.739147][ T375] RBP: 00007fffa829e340 R08: 0000000000000000 R09: 0000000000000000 [ 24.739147][ T375] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9163f7 [ 24.739148][ T375] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa829eaa0 [ 24.739155][ T375] [ 24.784050][ T375] veth2: left allmulticast mode [ 24.784800][ T375] veth2: left promiscuous mode [ 24.785129][ T375] br1: port 2(veth2) entered disabled state [ 24.797173][ T375] ip (375) used greatest stack depth: 23016 bytes left [ 24.830672][ T376] br1: port 1(veth1) entered disabled state [ 24.831395][ T376] veth1: left allmulticast mode [ 24.831684][ T376] veth1: left promiscuous mode [ 24.832056][ T376] br1: port 1(veth1) entered disabled state