[ 10.169084][ T186] ip (186) used greatest stack depth: 24048 bytes left [ 10.169101][ T186] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.169103][ T186] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 186, name: ip [ 10.169105][ T186] preempt_count: 2, expected: 0 [ 10.169106][ T186] RCU nest depth: 0, expected: 0 [ 10.169107][ T186] locks held by ip/186: 5, last CPU#0: [ 10.169109][ T186] #0: ffffffff994027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.169122][ T186] #1: ffffffff99569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.169128][ T186] #2: ffffffff99569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.169132][ T186] #3: ffffffff99489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.169136][ T186] #4: ffffffff99489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.169140][ T186] irq event stamp: 51930 [ 10.169141][ T186] hardirqs last enabled at (51929): [] __down_trylock_console_sem+0x86/0xa0 [ 10.169144][ T186] hardirqs last disabled at (51930): [] console_emit_next_record+0x3d4/0x4c0 [ 10.169146][ T186] softirqs last enabled at (51464): [] handle_softirqs+0x67c/0x900 [ 10.169148][ T186] softirqs last disabled at (51457): [] __irq_exit_rcu+0x145/0x1c0 [ 10.169150][ T186] Preemption disabled at: [ 10.169151][ T186] [<0000000000000000>] 0x0 [ 10.169158][ T186] CPU: 0 UID: 0 PID: 186 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.169161][ T186] Tainted: [W]=WARN [ 10.169162][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.169164][ T186] Call Trace: [ 10.169166][ T186] [ 10.169168][ T186] dump_stack_lvl+0x6f/0xa0 [ 10.169174][ T186] __might_resched.cold+0x1fe/0x2c1 [ 10.169179][ T186] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.169183][ T186] ? __kmalloc_noprof+0xdb/0x760 [ 10.169188][ T186] __kmalloc_noprof+0x443/0x760 [ 10.169191][ T186] ? alloc_buf.isra.0+0x4b/0x260 [ 10.169196][ T186] ? do_raw_spin_unlock+0x59/0x250 [ 10.169199][ T186] alloc_buf.isra.0+0x4b/0x260 [ 10.169202][ T186] put_chars+0x1e1/0x2f0 [ 10.169205][ T186] ? __send_to_port+0x420/0x420 [ 10.169207][ T186] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.169212][ T186] ? validate_chain+0x38b/0xc20 [ 10.169217][ T186] hvc_console_print+0x292/0x780 [ 10.169223][ T186] ? hvc_write+0x3a0/0x3a0 [ 10.169225][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.169228][ T186] ? lock_acquire+0x13c/0x160 [ 10.169232][ T186] console_emit_next_record+0x22f/0x4c0 [ 10.169236][ T186] ? devkmsg_read+0x4b0/0x4b0 [ 10.169238][ T186] ? console_flush_one_record+0x106/0x710 [ 10.169241][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.169243][ T186] ? lock_acquire+0x13c/0x160 [ 10.169248][ T186] console_flush_one_record+0x46f/0x710 [ 10.169255][ T186] ? console_emit_next_record+0x4c0/0x4c0 [ 10.169257][ T186] ? __lock_acquire+0x518/0xc20 [ 10.169263][ T186] console_unlock+0xee/0x1f0 [ 10.169266][ T186] ? console_flush_one_record+0x710/0x710 [ 10.169268][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.169270][ T186] ? lock_acquire+0x60/0x160 [ 10.169274][ T186] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.169276][ T186] ? vprintk_emit+0x320/0x3e0 [ 10.169279][ T186] vprintk_emit+0x37c/0x3e0 [ 10.169283][ T186] ? wake_up_klogd_work_func+0x90/0x90 [ 10.169287][ T186] ? __lock_acquire+0x518/0xc20 [ 10.169291][ T186] _printk+0xc7/0x100 [ 10.169294][ T186] ? snapshot_read.cold+0x21/0x21 [ 10.169302][ T186] ? do_raw_spin_lock+0x131/0x280 [ 10.169305][ T186] ? __rwlock_init+0x150/0x150 [ 10.169309][ T186] ? do_raw_spin_lock+0x131/0x280 [ 10.169312][ T186] do_exit.cold+0x82/0x9c [ 10.169316][ T186] ? exit_notify+0x890/0x890 [ 10.169318][ T186] ? __lock_release.isra.0+0x69/0x1a0 [ 10.169321][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.169325][ T186] do_group_exit+0xb8/0x370 [ 10.169328][ T186] __x64_sys_exit_group+0x3c/0x50 [ 10.169330][ T186] x64_sys_call+0x1567/0x1570 [ 10.169332][ T186] do_syscall_64+0xff/0x530 [ 10.169336][ T186] ? exc_page_fault+0xee/0x100 [ 10.169339][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.169342][ T186] RIP: 0033:0x7f9fe2b961b8 [ 10.169344][ T186] Code: Unable to access opcode bytes at 0x7f9fe2b9618e. [ 10.169345][ T186] RSP: 002b:00007ffcfb71aca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.169348][ T186] RAX: ffffffffffffffda RBX: 00007f9fe2cc6f88 RCX: 00007f9fe2b961b8 [ 10.169349][ T186] RDX: 00007f9fe28e0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.169350][ T186] RBP: 00007ffcfb71ad00 R08: 0000000000000000 R09: 0000000000008010 [ 10.169351][ T186] R10: 00007ffcfb71aac0 R11: 0000000000000246 R12: 0000000000000001 [ 10.169352][ T186] R13: 0000000000000000 R14: 00007f9fe2cc5680 R15: 00007f9fe2cc6fa0 [ 10.169359][ T186] [ 10.930830][ T222] 8021q: 802.1Q VLAN Support v1.8 [ 12.187850][ T266] br1: port 1(veth1.100) entered blocking state [ 12.187945][ T266] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.187947][ T266] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 266, name: ip [ 12.187949][ T266] preempt_count: 1, expected: 0 [ 12.187950][ T266] RCU nest depth: 0, expected: 0 [ 12.187951][ T266] locks held by ip/266: 5, last CPU#3: [ 12.187953][ T266] #0: ffffffff99cd2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 12.187965][ T266] #1: ffffffff99569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.187971][ T266] #2: ffffffff99569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.187975][ T266] #3: ffffffff99489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.187979][ T266] #4: ffffffff99489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.187983][ T266] irq event stamp: 12238 [ 12.187984][ T266] hardirqs last enabled at (12237): [] __down_trylock_console_sem+0x86/0xa0 [ 12.187987][ T266] hardirqs last disabled at (12238): [] console_emit_next_record+0x3d4/0x4c0 [ 12.187989][ T266] softirqs last enabled at (12148): [] __alloc_skb+0x4c2/0x5f0 [ 12.187992][ T266] softirqs last disabled at (12146): [] __alloc_skb+0x4c2/0x5f0 [ 12.187994][ T266] Preemption disabled at: [ 12.187995][ T266] [] vprintk_emit+0x31b/0x3e0 [ 12.188001][ T266] CPU: 3 UID: 0 PID: 266 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.188005][ T266] Tainted: [W]=WARN [ 12.188006][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.188007][ T266] Call Trace: [ 12.188009][ T266] [ 12.188011][ T266] dump_stack_lvl+0x6f/0xa0 [ 12.188016][ T266] ? vprintk_emit+0x31b/0x3e0 [ 12.188019][ T266] __might_resched.cold+0x1fe/0x2c1 [ 12.188023][ T266] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.188028][ T266] ? __kmalloc_noprof+0xdb/0x760 [ 12.188033][ T266] __kmalloc_noprof+0x443/0x760 [ 12.188035][ T266] ? alloc_buf.isra.0+0x4b/0x260 [ 12.188041][ T266] ? do_raw_spin_unlock+0x59/0x250 [ 12.188043][ T266] alloc_buf.isra.0+0x4b/0x260 [ 12.188047][ T266] put_chars+0x1e1/0x2f0 [ 12.188049][ T266] ? __send_to_port+0x420/0x420 [ 12.188054][ T266] ? validate_chain+0x34a/0xc20 [ 12.188058][ T266] hvc_console_print+0x292/0x780 [ 12.188060][ T266] ? mark_usage+0x61/0x170 [ 12.188062][ T266] ? __lock_acquire+0x518/0xc20 [ 12.188064][ T266] ? __lock_acquire+0x518/0xc20 [ 12.188068][ T266] ? hvc_write+0x3a0/0x3a0 [ 12.188070][ T266] ? console_emit_next_record+0x1df/0x4c0 [ 12.188073][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.188077][ T266] ? lock_acquire+0x13c/0x160 [ 12.188081][ T266] console_emit_next_record+0x22f/0x4c0 [ 12.188085][ T266] ? devkmsg_read+0x4b0/0x4b0 [ 12.188087][ T266] ? console_flush_one_record+0x106/0x710 [ 12.188090][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.188092][ T266] ? lock_acquire+0x13c/0x160 [ 12.188097][ T266] console_flush_one_record+0x46f/0x710 [ 12.188101][ T266] ? console_emit_next_record+0x4c0/0x4c0 [ 12.188103][ T266] ? __lock_acquire+0x518/0xc20 [ 12.188108][ T266] console_unlock+0xee/0x1f0 [ 12.188111][ T266] ? console_flush_one_record+0x710/0x710 [ 12.188113][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.188115][ T266] ? lock_acquire+0x60/0x160 [ 12.188119][ T266] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.188121][ T266] ? vprintk_emit+0x320/0x3e0 [ 12.188124][ T266] vprintk_emit+0x37c/0x3e0 [ 12.188128][ T266] ? wake_up_klogd_work_func+0x90/0x90 [ 12.188130][ T266] ? __lock_release.isra.0+0x69/0x1a0 [ 12.188132][ T266] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 12.188139][ T266] _printk+0xc7/0x100 [ 12.188142][ T266] ? snapshot_read.cold+0x21/0x21 [ 12.188146][ T266] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 12.188160][ T266] ? do_setlink.isra.0+0xa31/0x2750 [ 12.188161][ T266] ? rtnl_newlink+0x9f1/0x11c0 [ 12.188162][ T266] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.188167][ T266] br_set_state+0x22f/0x430 [bridge] [ 12.188178][ T266] br_init_port+0xc4/0x200 [bridge] [ 12.188186][ T266] new_nbp+0x39c/0x580 [bridge] [ 12.188196][ T266] br_add_if+0x212/0x1320 [bridge] [ 12.188203][ T266] ? is_bpf_text_address+0x72/0x110 [ 12.188207][ T266] ? kernel_text_address+0x149/0x170 [ 12.188210][ T266] ? __kernel_text_address+0x12/0x30 [ 12.188214][ T266] do_set_master+0x357/0x580 [ 12.188219][ T266] do_setlink.isra.0+0xa31/0x2750 [ 12.188222][ T266] ? stack_trace_save+0x93/0xc0 [ 12.188225][ T266] ? rtnl_link_get_size+0x350/0x350 [ 12.188227][ T266] ? rcu_read_lock_any_held+0x66/0x90 [ 12.188229][ T266] ? stack_depot_save_flags+0x38e/0x790 [ 12.188233][ T266] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.188236][ T266] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.188237][ T266] ? validate_chain+0x38b/0xc20 [ 12.188240][ T266] ? kasan_save_stack+0x3d/0x50 [ 12.188243][ T266] ? kasan_save_stack+0x2f/0x50 [ 12.188245][ T266] ? kasan_save_track+0x14/0x30 [ 12.188248][ T266] ? __lock_acquire+0x518/0xc20 [ 12.188249][ T266] ? netlink_seq_next+0xe/0x60 [ 12.188256][ T266] ? ___sys_sendmsg+0xb0/0x1d0 [ 12.188261][ T266] ? lock_acquire.part.0+0xd4/0x280 [ 12.188263][ T266] ? rtnl_newlink+0x9a8/0x11c0 [ 12.188266][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.188268][ T266] ? lock_acquire+0x13c/0x160 [ 12.188270][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.188272][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.188274][ T266] ? trace_contention_end+0xb3/0x180 [ 12.188278][ T266] ? __mutex_lock+0x1db/0x1ea0 [ 12.188280][ T266] ? __mutex_lock+0x9a3/0x1ea0 [ 12.188282][ T266] ? rtnl_newlink+0x9a8/0x11c0 [ 12.188285][ T266] ? ww_mutex_lock+0x160/0x160 [ 12.188287][ T266] ? nla_get_range_signed+0x3d0/0x3d0 [ 12.188292][ T266] ? __rtnl_newlink+0x3fa/0xa50 [ 12.188297][ T266] rtnl_newlink+0x9f1/0x11c0 [ 12.188303][ T266] ? rtnl_bridge_getlink+0x850/0x850 [ 12.188309][ T266] ? __lock_acquire+0x518/0xc20 [ 12.188314][ T266] ? lock_acquire.part.0+0xd4/0x280 [ 12.188316][ T266] ? find_held_lock+0x2b/0x80 [ 12.188318][ T266] ? rtnl_bridge_getlink+0x850/0x850 [ 12.188320][ T266] ? __lock_release.isra.0+0x69/0x1a0 [ 12.188324][ T266] ? rtnl_bridge_getlink+0x850/0x850 [ 12.188326][ T266] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.188329][ T266] ? rtnl_link_fill+0x920/0x920 [ 12.188330][ T266] ? __lock_acquire+0x518/0xc20 [ 12.188335][ T266] ? lock_acquire.part.0+0xd4/0x280 [ 12.188336][ T266] ? find_held_lock+0x2b/0x80 [ 12.188340][ T266] netlink_rcv_skb+0x14e/0x3a0 [ 12.188342][ T266] ? rtnl_link_fill+0x920/0x920 [ 12.188345][ T266] ? netlink_ack+0xcf0/0xcf0 [ 12.188351][ T266] ? netlink_deliver_tap+0xc5/0x330 [ 12.188353][ T266] ? netlink_deliver_tap+0x13c/0x330 [ 12.188357][ T266] netlink_unicast+0x486/0x750 [ 12.188361][ T266] ? netlink_attachskb+0x810/0x810 [ 12.188363][ T266] ? __lock_acquire+0x518/0xc20 [ 12.188368][ T266] netlink_sendmsg+0x735/0xc60 [ 12.188371][ T266] ? netlink_unicast+0x750/0x750 [ 12.188375][ T266] ? __might_fault+0x97/0x140 [ 12.188380][ T266] ____sys_sendmsg+0x415/0x880 [ 12.188383][ T266] ? copy_msghdr_from_user+0x279/0x420 [ 12.188385][ T266] ? get_timestamp.constprop.0+0x390/0x390 [ 12.188387][ T266] ? move_addr_to_kernel+0x40/0x40 [ 12.188394][ T266] ___sys_sendmsg+0x14e/0x1d0 [ 12.188397][ T266] ? copy_msghdr_from_user+0x420/0x420 [ 12.188413][ T266] __sys_sendmsg+0x12c/0x1d0 [ 12.188416][ T266] ? __sys_sendmsg_sock+0x20/0x20 [ 12.188422][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.188426][ T266] do_syscall_64+0xff/0x530 [ 12.188428][ T266] ? exc_page_fault+0xee/0x100 [ 12.188431][ T266] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.188433][ T266] RIP: 0033:0x7f138056354e [ 12.188437][ T266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 12.188439][ T266] RSP: 002b:00007ffe96fb3c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.188442][ T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f138056354e [ 12.188443][ T266] RDX: 0000000000000000 RSI: 00007ffe96fb3d20 RDI: 0000000000000005 [ 12.188444][ T266] RBP: 00007ffe96fb3c80 R08: 0000000000000000 R09: 0000000000000000 [ 12.188445][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918264 [ 12.188446][ T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe96fb43e0 [ 12.188453][ T266] [ 12.227912][ T266] br1: port 1(veth1.100) entered disabled state [ 12.228336][ T266] veth1.100: entered allmulticast mode [ 12.228565][ T266] veth1: entered allmulticast mode [ 12.231151][ T266] veth1.100: entered promiscuous mode [ 12.231435][ T266] veth1: entered promiscuous mode [ 12.251703][ T266] ip (266) used greatest stack depth: 23336 bytes left [ 12.334636][ T270] br1: port 1(veth1.100) entered blocking state [ 12.335138][ T270] br1: port 1(veth1.100) entered forwarding state [ 12.571915][ T281] br2: port 1(veth1.200) entered blocking state [ 12.572451][ T281] br2: port 1(veth1.200) entered disabled state [ 12.572952][ T281] veth1.200: entered allmulticast mode [ 12.576062][ T281] veth1.200: entered promiscuous mode [ 12.678013][ T284] br2: port 1(veth1.200) entered blocking state [ 12.678422][ T284] br2: port 1(veth1.200) entered forwarding state [ 22.512999][ T350] veth1.100: left allmulticast mode [ 22.513020][ T350] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.513023][ T350] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 350, name: ip [ 22.513025][ T350] preempt_count: 1, expected: 0 [ 22.513026][ T350] RCU nest depth: 0, expected: 0 [ 22.513027][ T350] locks held by ip/350: 5, last CPU#3: [ 22.513029][ T350] #0: ffffffff99cd2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 22.513040][ T350] #1: ffffffff99569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.513047][ T350] #2: ffffffff99569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.513050][ T350] #3: ffffffff99489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.513054][ T350] #4: ffffffff99489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 22.513058][ T350] irq event stamp: 20700 [ 22.513059][ T350] hardirqs last enabled at (20699): [] __down_trylock_console_sem+0x86/0xa0 [ 22.513062][ T350] hardirqs last disabled at (20700): [] console_emit_next_record+0x3d4/0x4c0 [ 22.513064][ T350] softirqs last enabled at (20668): [] __alloc_skb+0x4c2/0x5f0 [ 22.513067][ T350] softirqs last disabled at (20666): [] __alloc_skb+0x4c2/0x5f0 [ 22.513069][ T350] Preemption disabled at: [ 22.513070][ T350] [] vprintk_emit+0x31b/0x3e0 [ 22.513076][ T350] CPU: 3 UID: 0 PID: 350 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.513080][ T350] Tainted: [W]=WARN [ 22.513081][ T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.513083][ T350] Call Trace: [ 22.513084][ T350] [ 22.513086][ T350] dump_stack_lvl+0x6f/0xa0 [ 22.513092][ T350] ? vprintk_emit+0x31b/0x3e0 [ 22.513094][ T350] __might_resched.cold+0x1fe/0x2c1 [ 22.513099][ T350] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.513103][ T350] ? __kmalloc_noprof+0xdb/0x760 [ 22.513108][ T350] __kmalloc_noprof+0x443/0x760 [ 22.513110][ T350] ? alloc_buf.isra.0+0x4b/0x260 [ 22.513116][ T350] ? do_raw_spin_unlock+0x59/0x250 [ 22.513119][ T350] alloc_buf.isra.0+0x4b/0x260 [ 22.513122][ T350] put_chars+0x1e1/0x2f0 [ 22.513124][ T350] ? __send_to_port+0x420/0x420 [ 22.513126][ T350] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.513131][ T350] ? validate_chain+0x38b/0xc20 [ 22.513136][ T350] hvc_console_print+0x292/0x780 [ 22.513142][ T350] ? hvc_write+0x3a0/0x3a0 [ 22.513144][ T350] ? rcu_is_watching+0x16/0xd0 [ 22.513147][ T350] ? lock_acquire+0x13c/0x160 [ 22.513151][ T350] console_emit_next_record+0x22f/0x4c0 [ 22.513154][ T350] ? devkmsg_read+0x4b0/0x4b0 [ 22.513156][ T350] ? console_flush_one_record+0x106/0x710 [ 22.513159][ T350] ? rcu_is_watching+0x16/0xd0 [ 22.513162][ T350] ? lock_acquire+0x13c/0x160 [ 22.513166][ T350] console_flush_one_record+0x46f/0x710 [ 22.513170][ T350] ? console_emit_next_record+0x4c0/0x4c0 [ 22.513172][ T350] ? __lock_acquire+0x518/0xc20 [ 22.513177][ T350] console_unlock+0xee/0x1f0 [ 22.513180][ T350] ? console_flush_one_record+0x710/0x710 [ 22.513182][ T350] ? rcu_is_watching+0x16/0xd0 [ 22.513184][ T350] ? lock_acquire+0x60/0x160 [ 22.513188][ T350] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.513190][ T350] ? vprintk_emit+0x320/0x3e0 [ 22.513193][ T350] vprintk_emit+0x37c/0x3e0 [ 22.513197][ T350] ? wake_up_klogd_work_func+0x90/0x90 [ 22.513199][ T350] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.513200][ T350] ? netlink_unicast+0x486/0x750 [ 22.513203][ T350] ? netlink_sendmsg+0x735/0xc60 [ 22.513204][ T350] ? ____sys_sendmsg+0x415/0x880 [ 22.513207][ T350] ? ___sys_sendmsg+0x14e/0x1d0 [ 22.513209][ T350] ? __sys_sendmsg+0x12c/0x1d0 [ 22.513211][ T350] ? do_syscall_64+0xff/0x530 [ 22.513215][ T350] _printk+0xc7/0x100 [ 22.513219][ T350] ? snapshot_read.cold+0x21/0x21 [ 22.513223][ T350] ? netdev_name+0x43/0x60 [ 22.513227][ T350] ? __netdev_printk+0x17f/0x1d0 [ 22.513230][ T350] netdev_info+0xe2/0x116 [ 22.513232][ T350] ? netdev_notice+0x120/0x120 [ 22.513236][ T350] ? rcu_is_watching+0x16/0xd0 [ 22.513239][ T350] ? __up_read+0x355/0x9e0 [ 22.513242][ T350] ? down_write_nested+0x200/0x200 [ 22.513244][ T350] ? __lock_release.isra.0+0x69/0x1a0 [ 22.513246][ T350] ? mutex_is_locked+0x1c/0x50 [ 22.513253][ T350] netif_set_allmulti.cold+0x7c/0x166 [ 22.513259][ T350] dev_set_allmulti+0xa2/0x150 [ 22.513263][ T350] del_nbp+0xb7/0xc10 [bridge] [ 22.513277][ T350] ? is_bpf_text_address+0x72/0x110 [ 22.513283][ T350] br_del_if+0xab/0x200 [bridge] [ 22.513291][ T350] ? rtnl_is_locked+0x15/0x20 [ 22.513294][ T350] do_set_master+0x15c/0x580 [ 22.513299][ T350] do_setlink.isra.0+0xa31/0x2750 [ 22.513302][ T350] ? stack_trace_save+0x93/0xc0 [ 22.513305][ T350] ? rtnl_link_get_size+0x350/0x350 [ 22.513306][ T350] ? rcu_read_lock_any_held+0x66/0x90 [ 22.513309][ T350] ? stack_depot_save_flags+0x38e/0x790 [ 22.513313][ T350] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.513315][ T350] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.513317][ T350] ? validate_chain+0x38b/0xc20 [ 22.513319][ T350] ? kasan_save_stack+0x3d/0x50 [ 22.513322][ T350] ? kasan_save_stack+0x2f/0x50 [ 22.513324][ T350] ? kasan_save_track+0x14/0x30 [ 22.513327][ T350] ? __lock_acquire+0x518/0xc20 [ 22.513328][ T350] ? netlink_seq_next+0xe/0x60 [ 22.513330][ T350] ? ___sys_sendmsg+0xb0/0x1d0 [ 22.513334][ T350] ? lock_acquire.part.0+0xd4/0x280 [ 22.513336][ T350] ? rtnl_newlink+0x9a8/0x11c0 [ 22.513338][ T350] ? rcu_is_watching+0x16/0xd0 [ 22.513341][ T350] ? lock_acquire+0x13c/0x160 [ 22.513342][ T350] ? rcu_is_watching+0x16/0xd0 [ 22.513350][ T350] ? rcu_is_watching+0x16/0xd0 [ 22.513353][ T350] ? trace_contention_end+0xb3/0x180 [ 22.513355][ T350] ? __mutex_lock+0x1db/0x1ea0 [ 22.513358][ T350] ? __mutex_lock+0x9a3/0x1ea0 [ 22.513360][ T350] ? rtnl_newlink+0x9a8/0x11c0 [ 22.513363][ T350] ? ww_mutex_lock+0x160/0x160 [ 22.513365][ T350] ? nla_get_range_signed+0x3d0/0x3d0 [ 22.513370][ T350] ? __rtnl_newlink+0x3fa/0xa50 [ 22.513375][ T350] rtnl_newlink+0x9f1/0x11c0 [ 22.513380][ T350] ? rtnl_bridge_getlink+0x850/0x850 [ 22.513382][ T350] ? __lock_acquire+0x518/0xc20 [ 22.513386][ T350] ? lock_acquire.part.0+0xd4/0x280 [ 22.513388][ T350] ? find_held_lock+0x2b/0x80 [ 22.513390][ T350] ? rtnl_bridge_getlink+0x850/0x850 [ 22.513392][ T350] ? __lock_release.isra.0+0x69/0x1a0 [ 22.513396][ T350] ? rtnl_bridge_getlink+0x850/0x850 [ 22.513398][ T350] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.513401][ T350] ? rtnl_link_fill+0x920/0x920 [ 22.513402][ T350] ? __lock_acquire+0x518/0xc20 [ 22.513406][ T350] ? lock_acquire.part.0+0xd4/0x280 [ 22.513408][ T350] ? find_held_lock+0x2b/0x80 [ 22.513412][ T350] netlink_rcv_skb+0x14e/0x3a0 [ 22.513413][ T350] ? rtnl_link_fill+0x920/0x920 [ 22.513416][ T350] ? netlink_ack+0xcf0/0xcf0 [ 22.513422][ T350] ? netlink_deliver_tap+0xc5/0x330 [ 22.513424][ T350] ? netlink_deliver_tap+0x13c/0x330 [ 22.513428][ T350] netlink_unicast+0x486/0x750 [ 22.513431][ T350] ? netlink_attachskb+0x810/0x810 [ 22.513434][ T350] ? __lock_acquire+0x518/0xc20 [ 22.513438][ T350] netlink_sendmsg+0x735/0xc60 [ 22.513442][ T350] ? netlink_unicast+0x750/0x750 [ 22.513445][ T350] ? __might_fault+0x97/0x140 [ 22.513451][ T350] ____sys_sendmsg+0x415/0x880 [ 22.513453][ T350] ? copy_msghdr_from_user+0x279/0x420 [ 22.513455][ T350] ? get_timestamp.constprop.0+0x390/0x390 [ 22.513457][ T350] ? move_addr_to_kernel+0x40/0x40 [ 22.513464][ T350] ___sys_sendmsg+0x14e/0x1d0 [ 22.513467][ T350] ? copy_msghdr_from_user+0x420/0x420 [ 22.513482][ T350] __sys_sendmsg+0x12c/0x1d0 [ 22.513485][ T350] ? __sys_sendmsg_sock+0x20/0x20 [ 22.513491][ T350] ? rcu_is_watching+0x16/0xd0 [ 22.513494][ T350] do_syscall_64+0xff/0x530 [ 22.513496][ T350] ? exc_page_fault+0xee/0x100 [ 22.513499][ T350] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.513501][ T350] RIP: 0033:0x7fb24be1454e [ 22.513505][ T350] 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 [ 22.513507][ T350] RSP: 002b:00007ffcd2a9d9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.513510][ T350] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb24be1454e [ 22.513511][ T350] RDX: 0000000000000000 RSI: 00007ffcd2a9da70 RDI: 0000000000000005 [ 22.513512][ T350] RBP: 00007ffcd2a9d9d0 R08: 0000000000000000 R09: 0000000000000000 [ 22.513513][ T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91826e [ 22.513514][ T350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd2a9e130 [ 22.513521][ T350] [ 22.560598][ T350] veth1.100: left promiscuous mode [ 22.561195][ T350] br1: port 1(veth1.100) entered disabled state [ 22.572016][ T350] ip (350) used greatest stack depth: 23208 bytes left [ 22.594873][ T351] veth1.200: left allmulticast mode [ 22.595130][ T351] veth1: left allmulticast mode [ 22.595451][ T351] veth1.200: left promiscuous mode [ 22.595687][ T351] veth1: left promiscuous mode [ 22.596179][ T351] br2: port 1(veth1.200) entered disabled state [ 24.646018][ T353] br2: port 1(veth1.200) entered blocking state [ 24.646039][ T353] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.646042][ T353] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 353, name: ip [ 24.646043][ T353] preempt_count: 1, expected: 0 [ 24.646044][ T353] RCU nest depth: 0, expected: 0 [ 24.646045][ T353] locks held by ip/353: 5, last CPU#3: [ 24.646048][ T353] #0: ffffffff99cd2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 24.646060][ T353] #1: ffffffff99569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.646066][ T353] #2: ffffffff99569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.646070][ T353] #3: ffffffff99489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.646074][ T353] #4: ffffffff99489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 24.646078][ T353] irq event stamp: 11544 [ 24.646079][ T353] hardirqs last enabled at (11543): [] __down_trylock_console_sem+0x86/0xa0 [ 24.646082][ T353] hardirqs last disabled at (11544): [] console_emit_next_record+0x3d4/0x4c0 [ 24.646084][ T353] softirqs last enabled at (11486): [] __alloc_skb+0x4c2/0x5f0 [ 24.646087][ T353] softirqs last disabled at (11484): [] __alloc_skb+0x4c2/0x5f0 [ 24.646089][ T353] Preemption disabled at: [ 24.646090][ T353] [] vprintk_emit+0x31b/0x3e0 [ 24.646096][ T353] CPU: 3 UID: 0 PID: 353 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.646100][ T353] Tainted: [W]=WARN [ 24.646101][ T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.646103][ T353] Call Trace: [ 24.646104][ T353] [ 24.646106][ T353] dump_stack_lvl+0x6f/0xa0 [ 24.646112][ T353] ? vprintk_emit+0x31b/0x3e0 [ 24.646114][ T353] __might_resched.cold+0x1fe/0x2c1 [ 24.646119][ T353] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.646123][ T353] ? __kmalloc_noprof+0xdb/0x760 [ 24.646129][ T353] __kmalloc_noprof+0x443/0x760 [ 24.646131][ T353] ? alloc_buf.isra.0+0x4b/0x260 [ 24.646136][ T353] ? do_raw_spin_unlock+0x59/0x250 [ 24.646139][ T353] alloc_buf.isra.0+0x4b/0x260 [ 24.646142][ T353] put_chars+0x1e1/0x2f0 [ 24.646144][ T353] ? prb_final_commit+0x50/0x50 [ 24.646147][ T353] ? __send_to_port+0x420/0x420 [ 24.646149][ T353] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.646154][ T353] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.646156][ T353] ? validate_chain+0x38b/0xc20 [ 24.646160][ T353] hvc_console_print+0x292/0x780 [ 24.646163][ T353] ? mark_usage+0x61/0x170 [ 24.646165][ T353] ? __lock_acquire+0x518/0xc20 [ 24.646166][ T353] ? __lock_acquire+0x518/0xc20 [ 24.646170][ T353] ? hvc_write+0x3a0/0x3a0 [ 24.646172][ T353] ? console_emit_next_record+0x1df/0x4c0 [ 24.646176][ T353] ? rcu_is_watching+0x16/0xd0 [ 24.646178][ T353] ? lock_acquire+0x13c/0x160 [ 24.646182][ T353] console_emit_next_record+0x22f/0x4c0 [ 24.646186][ T353] ? devkmsg_read+0x4b0/0x4b0 [ 24.646188][ T353] ? console_flush_one_record+0x106/0x710 [ 24.646191][ T353] ? rcu_is_watching+0x16/0xd0 [ 24.646193][ T353] ? lock_acquire+0x13c/0x160 [ 24.646197][ T353] console_flush_one_record+0x46f/0x710 [ 24.646201][ T353] ? console_emit_next_record+0x4c0/0x4c0 [ 24.646203][ T353] ? __lock_acquire+0x518/0xc20 [ 24.646208][ T353] console_unlock+0xee/0x1f0 [ 24.646211][ T353] ? console_flush_one_record+0x710/0x710 [ 24.646213][ T353] ? rcu_is_watching+0x16/0xd0 [ 24.646215][ T353] ? lock_acquire+0x60/0x160 [ 24.646219][ T353] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.646220][ T353] ? vprintk_emit+0x320/0x3e0 [ 24.646224][ T353] vprintk_emit+0x37c/0x3e0 [ 24.646228][ T353] ? wake_up_klogd_work_func+0x90/0x90 [ 24.646230][ T353] ? __lock_release.isra.0+0x69/0x1a0 [ 24.646235][ T353] _printk+0xc7/0x100 [ 24.646239][ T353] ? snapshot_read.cold+0x21/0x21 [ 24.646243][ T353] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 24.646261][ T353] ? do_setlink.isra.0+0xa31/0x2750 [ 24.646263][ T353] ? rtnl_newlink+0x9f1/0x11c0 [ 24.646264][ T353] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 24.646268][ T353] br_set_state+0x22f/0x430 [bridge] [ 24.646279][ T353] br_init_port+0xc4/0x200 [bridge] [ 24.646287][ T353] new_nbp+0x39c/0x580 [bridge] [ 24.646297][ T353] br_add_if+0x212/0x1320 [bridge] [ 24.646304][ T353] ? is_bpf_text_address+0x72/0x110 [ 24.646308][ T353] ? kernel_text_address+0x149/0x170 [ 24.646311][ T353] ? __kernel_text_address+0x12/0x30 [ 24.646315][ T353] do_set_master+0x357/0x580 [ 24.646319][ T353] do_setlink.isra.0+0xa31/0x2750 [ 24.646323][ T353] ? stack_trace_save+0x93/0xc0 [ 24.646326][ T353] ? rtnl_link_get_size+0x350/0x350 [ 24.646327][ T353] ? rcu_read_lock_any_held+0x66/0x90 [ 24.646329][ T353] ? stack_depot_save_flags+0x38e/0x790 [ 24.646333][ T353] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.646335][ T353] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.646337][ T353] ? validate_chain+0x38b/0xc20 [ 24.646339][ T353] ? kasan_save_stack+0x3d/0x50 [ 24.646342][ T353] ? kasan_save_stack+0x2f/0x50 [ 24.646344][ T353] ? kasan_save_track+0x14/0x30 [ 24.646347][ T353] ? __lock_acquire+0x518/0xc20 [ 24.646349][ T353] ? netlink_seq_next+0xe/0x60 [ 24.646357][ T353] ? ___sys_sendmsg+0xb0/0x1d0 [ 24.646362][ T353] ? lock_acquire.part.0+0xd4/0x280 [ 24.646364][ T353] ? rtnl_newlink+0x9a8/0x11c0 [ 24.646367][ T353] ? rcu_is_watching+0x16/0xd0 [ 24.646369][ T353] ? lock_acquire+0x13c/0x160 [ 24.646370][ T353] ? rcu_is_watching+0x16/0xd0 [ 24.646372][ T353] ? rcu_is_watching+0x16/0xd0 [ 24.646375][ T353] ? trace_contention_end+0xb3/0x180 [ 24.646378][ T353] ? __mutex_lock+0x1db/0x1ea0 [ 24.646382][ T353] ? __mutex_lock+0x9a3/0x1ea0 [ 24.646384][ T353] ? rtnl_newlink+0x9a8/0x11c0 [ 24.646387][ T353] ? ww_mutex_lock+0x160/0x160 [ 24.646389][ T353] ? nla_get_range_signed+0x3d0/0x3d0 [ 24.646393][ T353] ? __rtnl_newlink+0x3fa/0xa50 [ 24.646399][ T353] rtnl_newlink+0x9f1/0x11c0 [ 24.646404][ T353] ? rtnl_bridge_getlink+0x850/0x850 [ 24.646406][ T353] ? __lock_acquire+0x518/0xc20 [ 24.646410][ T353] ? lock_acquire.part.0+0xd4/0x280 [ 24.646412][ T353] ? find_held_lock+0x2b/0x80 [ 24.646414][ T353] ? rtnl_bridge_getlink+0x850/0x850 [ 24.646416][ T353] ? __lock_release.isra.0+0x69/0x1a0 [ 24.646419][ T353] ? rtnl_bridge_getlink+0x850/0x850 [ 24.646421][ T353] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 24.646424][ T353] ? rtnl_link_fill+0x920/0x920 [ 24.646425][ T353] ? __lock_acquire+0x518/0xc20 [ 24.646430][ T353] ? lock_acquire.part.0+0xd4/0x280 [ 24.646432][ T353] ? find_held_lock+0x2b/0x80 [ 24.646435][ T353] netlink_rcv_skb+0x14e/0x3a0 [ 24.646437][ T353] ? rtnl_link_fill+0x920/0x920 [ 24.646440][ T353] ? netlink_ack+0xcf0/0xcf0 [ 24.646446][ T353] ? netlink_deliver_tap+0xc5/0x330 [ 24.646447][ T353] ? netlink_deliver_tap+0x13c/0x330 [ 24.646451][ T353] netlink_unicast+0x486/0x750 [ 24.646455][ T353] ? netlink_attachskb+0x810/0x810 [ 24.646458][ T353] ? __lock_acquire+0x518/0xc20 [ 24.646462][ T353] netlink_sendmsg+0x735/0xc60 [ 24.646465][ T353] ? netlink_unicast+0x750/0x750 [ 24.646469][ T353] ? __might_fault+0x97/0x140 [ 24.646474][ T353] ____sys_sendmsg+0x415/0x880 [ 24.646477][ T353] ? copy_msghdr_from_user+0x279/0x420 [ 24.646479][ T353] ? get_timestamp.constprop.0+0x390/0x390 [ 24.646481][ T353] ? move_addr_to_kernel+0x40/0x40 [ 24.646488][ T353] ___sys_sendmsg+0x14e/0x1d0 [ 24.646491][ T353] ? copy_msghdr_from_user+0x420/0x420 [ 24.646506][ T353] __sys_sendmsg+0x12c/0x1d0 [ 24.646509][ T353] ? __sys_sendmsg_sock+0x20/0x20 [ 24.646515][ T353] ? rcu_is_watching+0x16/0xd0 [ 24.646519][ T353] do_syscall_64+0xff/0x530 [ 24.646521][ T353] ? exc_page_fault+0xee/0x100 [ 24.646524][ T353] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.646526][ T353] RIP: 0033:0x7f332aeb554e [ 24.646530][ T353] 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 [ 24.646532][ T353] RSP: 002b:00007fffda81dad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.646535][ T353] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f332aeb554e [ 24.646536][ T353] RDX: 0000000000000000 RSI: 00007fffda81db80 RDI: 0000000000000005 [ 24.646537][ T353] RBP: 00007fffda81dae0 R08: 0000000000000000 R09: 0000000000000000 [ 24.646538][ T353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918271 [ 24.646539][ T353] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffda81e240 [ 24.646546][ T353] [ 24.688761][ T353] br2: port 1(veth1.200) entered disabled state [ 24.689104][ T353] veth1.200: entered allmulticast mode [ 24.689375][ T353] veth1: entered allmulticast mode [ 24.691523][ T353] veth1.200: entered promiscuous mode [ 24.691781][ T353] veth1: entered promiscuous mode [ 24.692447][ T353] br2: port 1(veth1.200) entered blocking state [ 24.692739][ T353] br2: port 1(veth1.200) entered forwarding state [ 24.727608][ T354] br1: port 1(veth1.100) entered blocking state [ 24.727952][ T354] br1: port 1(veth1.100) entered disabled state [ 24.729032][ T354] veth1.100: entered allmulticast mode [ 24.730670][ T354] veth1.100: entered promiscuous mode [ 24.731364][ T354] br1: port 1(veth1.100) entered blocking state [ 24.731712][ T354] br1: port 1(veth1.100) entered forwarding state [ 29.380072][ T406] veth1.200: left allmulticast mode [ 29.380094][ T406] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 29.380097][ T406] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 406, name: ip [ 29.380098][ T406] preempt_count: 1, expected: 0 [ 29.380099][ T406] RCU nest depth: 0, expected: 0 [ 29.380100][ T406] locks held by ip/406: 5, last CPU#3: [ 29.380102][ T406] #0: ffffffff99cd2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 29.380114][ T406] #1: ffffffff99569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 29.380121][ T406] #2: ffffffff99569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 29.380125][ T406] #3: ffffffff99489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 29.380129][ T406] #4: ffffffff99489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 29.380133][ T406] irq event stamp: 16764 [ 29.380134][ T406] hardirqs last enabled at (16763): [] __down_trylock_console_sem+0x86/0xa0 [ 29.380137][ T406] hardirqs last disabled at (16764): [] console_emit_next_record+0x3d4/0x4c0 [ 29.380139][ T406] softirqs last enabled at (16734): [] __alloc_skb+0x4c2/0x5f0 [ 29.380142][ T406] softirqs last disabled at (16732): [] __alloc_skb+0x4c2/0x5f0 [ 29.380145][ T406] Preemption disabled at: [ 29.380145][ T406] [] vprintk_emit+0x31b/0x3e0 [ 29.380151][ T406] CPU: 3 UID: 0 PID: 406 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 29.380155][ T406] Tainted: [W]=WARN [ 29.380156][ T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.380158][ T406] Call Trace: [ 29.380160][ T406] [ 29.380161][ T406] dump_stack_lvl+0x6f/0xa0 [ 29.380167][ T406] ? vprintk_emit+0x31b/0x3e0 [ 29.380170][ T406] __might_resched.cold+0x1fe/0x2c1 [ 29.380175][ T406] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 29.380179][ T406] ? __kmalloc_noprof+0xdb/0x760 [ 29.380184][ T406] __kmalloc_noprof+0x443/0x760 [ 29.380186][ T406] ? alloc_buf.isra.0+0x4b/0x260 [ 29.380192][ T406] ? do_raw_spin_unlock+0x59/0x250 [ 29.380195][ T406] alloc_buf.isra.0+0x4b/0x260 [ 29.380198][ T406] put_chars+0x1e1/0x2f0 [ 29.380201][ T406] ? __send_to_port+0x420/0x420 [ 29.380203][ T406] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 29.380208][ T406] ? validate_chain+0x38b/0xc20 [ 29.380213][ T406] hvc_console_print+0x292/0x780 [ 29.380219][ T406] ? hvc_write+0x3a0/0x3a0 [ 29.380221][ T406] ? rcu_is_watching+0x16/0xd0 [ 29.380224][ T406] ? lock_acquire+0x13c/0x160 [ 29.380228][ T406] console_emit_next_record+0x22f/0x4c0 [ 29.380232][ T406] ? devkmsg_read+0x4b0/0x4b0 [ 29.380234][ T406] ? console_flush_one_record+0x106/0x710 [ 29.380237][ T406] ? rcu_is_watching+0x16/0xd0 [ 29.380240][ T406] ? lock_acquire+0x13c/0x160 [ 29.380244][ T406] console_flush_one_record+0x46f/0x710 [ 29.380249][ T406] ? console_emit_next_record+0x4c0/0x4c0 [ 29.380254][ T406] ? __lock_acquire+0x518/0xc20 [ 29.380260][ T406] console_unlock+0xee/0x1f0 [ 29.380264][ T406] ? console_flush_one_record+0x710/0x710 [ 29.380265][ T406] ? rcu_is_watching+0x16/0xd0 [ 29.380268][ T406] ? lock_acquire+0x60/0x160 [ 29.380272][ T406] ? __down_trylock_console_sem+0x5e/0xa0 [ 29.380274][ T406] ? vprintk_emit+0x320/0x3e0 [ 29.380278][ T406] vprintk_emit+0x37c/0x3e0 [ 29.380283][ T406] ? wake_up_klogd_work_func+0x90/0x90 [ 29.380284][ T406] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 29.380286][ T406] ? netlink_unicast+0x486/0x750 [ 29.380290][ T406] ? netlink_sendmsg+0x735/0xc60 [ 29.380291][ T406] ? ____sys_sendmsg+0x415/0x880 [ 29.380294][ T406] ? ___sys_sendmsg+0x14e/0x1d0 [ 29.380295][ T406] ? __sys_sendmsg+0x12c/0x1d0 [ 29.380297][ T406] ? do_syscall_64+0xff/0x530 [ 29.380302][ T406] _printk+0xc7/0x100 [ 29.380306][ T406] ? snapshot_read.cold+0x21/0x21 [ 29.380310][ T406] ? netdev_name+0x43/0x60 [ 29.380314][ T406] ? __netdev_printk+0x17f/0x1d0 [ 29.380317][ T406] netdev_info+0xe2/0x116 [ 29.380320][ T406] ? netdev_notice+0x120/0x120 [ 29.380324][ T406] ? rcu_is_watching+0x16/0xd0 [ 29.380326][ T406] ? __up_read+0x355/0x9e0 [ 29.380329][ T406] ? down_write_nested+0x200/0x200 [ 29.380331][ T406] ? __lock_release.isra.0+0x69/0x1a0 [ 29.380333][ T406] ? mutex_is_locked+0x1c/0x50 [ 29.380337][ T406] netif_set_allmulti.cold+0x7c/0x166 [ 29.380341][ T406] dev_set_allmulti+0xa2/0x150 [ 29.380345][ T406] del_nbp+0xb7/0xc10 [bridge] [ 29.380360][ T406] ? is_bpf_text_address+0x72/0x110 [ 29.380366][ T406] br_del_if+0xab/0x200 [bridge] [ 29.380379][ T406] ? rtnl_is_locked+0x15/0x20 [ 29.380382][ T406] do_set_master+0x15c/0x580 [ 29.380386][ T406] do_setlink.isra.0+0xa31/0x2750 [ 29.380390][ T406] ? stack_trace_save+0x93/0xc0 [ 29.380393][ T406] ? rtnl_link_get_size+0x350/0x350 [ 29.380394][ T406] ? rcu_read_lock_any_held+0x66/0x90 [ 29.380397][ T406] ? stack_depot_save_flags+0x38e/0x790 [ 29.380400][ T406] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 29.380403][ T406] ? rcu_read_lock_any_held+0x3c/0x90 [ 29.380405][ T406] ? validate_chain+0x38b/0xc20 [ 29.380407][ T406] ? kasan_save_stack+0x3d/0x50 [ 29.380410][ T406] ? kasan_save_stack+0x2f/0x50 [ 29.380412][ T406] ? kasan_save_track+0x14/0x30 [ 29.380415][ T406] ? __lock_acquire+0x518/0xc20 [ 29.380417][ T406] ? netlink_seq_next+0xe/0x60 [ 29.380419][ T406] ? ___sys_sendmsg+0xb0/0x1d0 [ 29.380422][ T406] ? lock_acquire.part.0+0xd4/0x280 [ 29.380424][ T406] ? rtnl_newlink+0x9a8/0x11c0 [ 29.380427][ T406] ? rcu_is_watching+0x16/0xd0 [ 29.380429][ T406] ? lock_acquire+0x13c/0x160 [ 29.380431][ T406] ? rcu_is_watching+0x16/0xd0 [ 29.380432][ T406] ? rcu_is_watching+0x16/0xd0 [ 29.380435][ T406] ? trace_contention_end+0xb3/0x180 [ 29.380438][ T406] ? __mutex_lock+0x1db/0x1ea0 [ 29.380440][ T406] ? __mutex_lock+0x9a3/0x1ea0 [ 29.380442][ T406] ? rtnl_newlink+0x9a8/0x11c0 [ 29.380446][ T406] ? ww_mutex_lock+0x160/0x160 [ 29.380447][ T406] ? nla_get_range_signed+0x3d0/0x3d0 [ 29.380452][ T406] ? __rtnl_newlink+0x3fa/0xa50 [ 29.380458][ T406] rtnl_newlink+0x9f1/0x11c0 [ 29.380463][ T406] ? rtnl_bridge_getlink+0x850/0x850 [ 29.380465][ T406] ? __lock_acquire+0x518/0xc20 [ 29.380469][ T406] ? lock_acquire.part.0+0xd4/0x280 [ 29.380471][ T406] ? find_held_lock+0x2b/0x80 [ 29.380473][ T406] ? rtnl_bridge_getlink+0x850/0x850 [ 29.380475][ T406] ? __lock_release.isra.0+0x69/0x1a0 [ 29.380479][ T406] ? rtnl_bridge_getlink+0x850/0x850 [ 29.380481][ T406] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 29.380484][ T406] ? rtnl_link_fill+0x920/0x920 [ 29.380485][ T406] ? __lock_acquire+0x518/0xc20 [ 29.380490][ T406] ? lock_acquire.part.0+0xd4/0x280 [ 29.380492][ T406] ? find_held_lock+0x2b/0x80 [ 29.380495][ T406] netlink_rcv_skb+0x14e/0x3a0 [ 29.380497][ T406] ? rtnl_link_fill+0x920/0x920 [ 29.380500][ T406] ? netlink_ack+0xcf0/0xcf0 [ 29.380506][ T406] ? netlink_deliver_tap+0xc5/0x330 [ 29.380508][ T406] ? netlink_deliver_tap+0x13c/0x330 [ 29.380512][ T406] netlink_unicast+0x486/0x750 [ 29.380516][ T406] ? netlink_attachskb+0x810/0x810 [ 29.380518][ T406] ? __lock_acquire+0x518/0xc20 [ 29.380522][ T406] netlink_sendmsg+0x735/0xc60 [ 29.380526][ T406] ? netlink_unicast+0x750/0x750 [ 29.380530][ T406] ? __might_fault+0x97/0x140 [ 29.380535][ T406] ____sys_sendmsg+0x415/0x880 [ 29.380538][ T406] ? copy_msghdr_from_user+0x279/0x420 [ 29.380540][ T406] ? get_timestamp.constprop.0+0x390/0x390 [ 29.380542][ T406] ? move_addr_to_kernel+0x40/0x40 [ 29.380549][ T406] ___sys_sendmsg+0x14e/0x1d0 [ 29.380552][ T406] ? copy_msghdr_from_user+0x420/0x420 [ 29.380568][ T406] __sys_sendmsg+0x12c/0x1d0 [ 29.380571][ T406] ? __sys_sendmsg_sock+0x20/0x20 [ 29.380577][ T406] ? rcu_is_watching+0x16/0xd0 [ 29.380581][ T406] do_syscall_64+0xff/0x530 [ 29.380582][ T406] ? exc_page_fault+0xee/0x100 [ 29.380586][ T406] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 29.380588][ T406] RIP: 0033:0x7f5f556c754e [ 29.380592][ T406] 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 [ 29.380593][ T406] RSP: 002b:00007fff593e9310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.380596][ T406] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f556c754e [ 29.380598][ T406] RDX: 0000000000000000 RSI: 00007fff593e93c0 RDI: 0000000000000005 [ 29.380599][ T406] RBP: 00007fff593e9320 R08: 0000000000000000 R09: 0000000000000000 [ 29.380600][ T406] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918275 [ 29.380601][ T406] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff593e9a80 [ 29.380608][ T406] [ 29.424430][ T406] veth1.200: left promiscuous mode [ 29.425755][ T406] br2: port 1(veth1.200) entered disabled state [ 29.665173][ T414] veth1.100: left allmulticast mode [ 29.665481][ T414] veth1: left allmulticast mode [ 29.665799][ T414] veth1.100: left promiscuous mode [ 29.666051][ T414] veth1: left promiscuous mode [ 29.666625][ T414] br1: port 1(veth1.100) entered disabled state