[ 11.424006][ T253] br0: port 1(veth1) entered blocking state [ 11.424111][ T253] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.424114][ T253] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 253, name: ip [ 11.424115][ T253] preempt_count: 1, expected: 0 [ 11.424116][ T253] RCU nest depth: 0, expected: 0 [ 11.424117][ T253] locks held by ip/253: 5, last CPU#1: [ 11.424120][ T253] #0: ffffffff8a6d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 11.424131][ T253] #1: ffffffff89f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.424137][ T253] #2: ffffffff89f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.424141][ T253] #3: ffffffff89e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.424145][ T253] #4: ffffffff89e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.424149][ T253] irq event stamp: 12776 [ 11.424150][ T253] hardirqs last enabled at (12775): [] __down_trylock_console_sem+0x86/0xa0 [ 11.424153][ T253] hardirqs last disabled at (12776): [] console_emit_next_record+0x3d4/0x4c0 [ 11.424155][ T253] softirqs last enabled at (12688): [] __alloc_skb+0x4c2/0x5f0 [ 11.424158][ T253] softirqs last disabled at (12686): [] __alloc_skb+0x4c2/0x5f0 [ 11.424160][ T253] Preemption disabled at: [ 11.424161][ T253] [] vprintk_emit+0x31b/0x3e0 [ 11.424167][ T253] CPU: 1 UID: 0 PID: 253 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.424174][ T253] Tainted: [W]=WARN [ 11.424175][ T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.424177][ T253] Call Trace: [ 11.424179][ T253] [ 11.424180][ T253] dump_stack_lvl+0x6f/0xa0 [ 11.424186][ T253] ? vprintk_emit+0x31b/0x3e0 [ 11.424188][ T253] __might_resched.cold+0x1fe/0x2c1 [ 11.424193][ T253] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.424197][ T253] ? __kmalloc_noprof+0xdb/0x760 [ 11.424202][ T253] __kmalloc_noprof+0x443/0x760 [ 11.424204][ T253] ? alloc_buf.isra.0+0x4b/0x260 [ 11.424210][ T253] ? do_raw_spin_unlock+0x59/0x250 [ 11.424212][ T253] alloc_buf.isra.0+0x4b/0x260 [ 11.424216][ T253] put_chars+0x1e1/0x2f0 [ 11.424218][ T253] ? __send_to_port+0x420/0x420 [ 11.424223][ T253] ? validate_chain+0x34a/0xc20 [ 11.424226][ T253] hvc_console_print+0x292/0x780 [ 11.424229][ T253] ? mark_usage+0x61/0x170 [ 11.424231][ T253] ? __lock_acquire+0x518/0xc20 [ 11.424232][ T253] ? __lock_acquire+0x518/0xc20 [ 11.424236][ T253] ? hvc_write+0x3a0/0x3a0 [ 11.424238][ T253] ? console_emit_next_record+0x1df/0x4c0 [ 11.424241][ T253] ? rcu_is_watching+0x16/0xd0 [ 11.424245][ T253] ? lock_acquire+0x13c/0x160 [ 11.424249][ T253] console_emit_next_record+0x22f/0x4c0 [ 11.424253][ T253] ? devkmsg_read+0x4b0/0x4b0 [ 11.424255][ T253] ? console_flush_one_record+0x106/0x710 [ 11.424258][ T253] ? rcu_is_watching+0x16/0xd0 [ 11.424260][ T253] ? lock_acquire+0x13c/0x160 [ 11.424264][ T253] console_flush_one_record+0x46f/0x710 [ 11.424268][ T253] ? console_emit_next_record+0x4c0/0x4c0 [ 11.424270][ T253] ? __lock_acquire+0x518/0xc20 [ 11.424275][ T253] console_unlock+0xee/0x1f0 [ 11.424278][ T253] ? console_flush_one_record+0x710/0x710 [ 11.424280][ T253] ? rcu_is_watching+0x16/0xd0 [ 11.424282][ T253] ? lock_acquire+0x60/0x160 [ 11.424286][ T253] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.424287][ T253] ? vprintk_emit+0x320/0x3e0 [ 11.424291][ T253] vprintk_emit+0x37c/0x3e0 [ 11.424301][ T253] ? wake_up_klogd_work_func+0x90/0x90 [ 11.424304][ T253] ? __lock_release.isra.0+0x69/0x1a0 [ 11.424305][ T253] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.424309][ T253] ? mark_held_locks+0x40/0x70 [ 11.424313][ T253] _printk+0xc7/0x100 [ 11.424316][ T253] ? snapshot_read.cold+0x21/0x21 [ 11.424320][ T253] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 11.424333][ T253] ? do_setlink.isra.0+0xa31/0x2750 [ 11.424334][ T253] ? rtnl_newlink+0x9f1/0x11c0 [ 11.424336][ T253] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.424340][ T253] br_set_state+0x22f/0x430 [bridge] [ 11.424350][ T253] br_init_port+0xc4/0x200 [bridge] [ 11.424358][ T253] new_nbp+0x39c/0x580 [bridge] [ 11.424367][ T253] br_add_if+0x212/0x1320 [bridge] [ 11.424374][ T253] ? is_bpf_text_address+0x72/0x110 [ 11.424378][ T253] ? kernel_text_address+0x149/0x170 [ 11.424380][ T253] ? __kernel_text_address+0x12/0x30 [ 11.424384][ T253] do_set_master+0x357/0x580 [ 11.424389][ T253] do_setlink.isra.0+0xa31/0x2750 [ 11.424392][ T253] ? stack_trace_save+0x93/0xc0 [ 11.424395][ T253] ? rtnl_link_get_size+0x350/0x350 [ 11.424396][ T253] ? rcu_read_lock_any_held+0x66/0x90 [ 11.424398][ T253] ? stack_depot_save_flags+0x38e/0x790 [ 11.424402][ T253] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.424404][ T253] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.424406][ T253] ? validate_chain+0x38b/0xc20 [ 11.424408][ T253] ? kasan_save_stack+0x3d/0x50 [ 11.424411][ T253] ? kasan_save_stack+0x2f/0x50 [ 11.424413][ T253] ? kasan_save_track+0x14/0x30 [ 11.424415][ T253] ? __lock_acquire+0x518/0xc20 [ 11.424417][ T253] ? netlink_seq_next+0xe/0x60 [ 11.424420][ T253] ? ___sys_sendmsg+0xb0/0x1d0 [ 11.424425][ T253] ? lock_acquire.part.0+0xd4/0x280 [ 11.424427][ T253] ? rtnl_newlink+0x9a8/0x11c0 [ 11.424429][ T253] ? rcu_is_watching+0x16/0xd0 [ 11.424432][ T253] ? lock_acquire+0x13c/0x160 [ 11.424433][ T253] ? rcu_is_watching+0x16/0xd0 [ 11.424435][ T253] ? rcu_is_watching+0x16/0xd0 [ 11.424437][ T253] ? trace_contention_end+0xb3/0x180 [ 11.424441][ T253] ? __mutex_lock+0x1db/0x1ea0 [ 11.424442][ T253] ? __mutex_lock+0x9a3/0x1ea0 [ 11.424445][ T253] ? rtnl_newlink+0x9a8/0x11c0 [ 11.424448][ T253] ? ww_mutex_lock+0x160/0x160 [ 11.424449][ T253] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.424454][ T253] ? __rtnl_newlink+0x3fa/0xa50 [ 11.424461][ T253] rtnl_newlink+0x9f1/0x11c0 [ 11.424467][ T253] ? rtnl_bridge_getlink+0x850/0x850 [ 11.424469][ T253] ? __lock_acquire+0x518/0xc20 [ 11.424473][ T253] ? lock_acquire.part.0+0xd4/0x280 [ 11.424475][ T253] ? find_held_lock+0x2b/0x80 [ 11.424477][ T253] ? rtnl_bridge_getlink+0x850/0x850 [ 11.424479][ T253] ? __lock_release.isra.0+0x69/0x1a0 [ 11.424483][ T253] ? rtnl_bridge_getlink+0x850/0x850 [ 11.424484][ T253] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.424488][ T253] ? rtnl_link_fill+0x920/0x920 [ 11.424489][ T253] ? __lock_acquire+0x518/0xc20 [ 11.424493][ T253] ? lock_acquire.part.0+0xd4/0x280 [ 11.424495][ T253] ? find_held_lock+0x2b/0x80 [ 11.424498][ T253] netlink_rcv_skb+0x14e/0x3a0 [ 11.424500][ T253] ? rtnl_link_fill+0x920/0x920 [ 11.424503][ T253] ? netlink_ack+0xcf0/0xcf0 [ 11.424509][ T253] ? netlink_deliver_tap+0xc5/0x330 [ 11.424510][ T253] ? netlink_deliver_tap+0x13c/0x330 [ 11.424514][ T253] netlink_unicast+0x486/0x750 [ 11.424518][ T253] ? netlink_attachskb+0x810/0x810 [ 11.424521][ T253] ? __lock_acquire+0x518/0xc20 [ 11.424525][ T253] netlink_sendmsg+0x735/0xc60 [ 11.424528][ T253] ? netlink_unicast+0x750/0x750 [ 11.424532][ T253] ? __might_fault+0x97/0x140 [ 11.424537][ T253] ____sys_sendmsg+0x415/0x880 [ 11.424540][ T253] ? copy_msghdr_from_user+0x279/0x420 [ 11.424542][ T253] ? get_timestamp.constprop.0+0x390/0x390 [ 11.424544][ T253] ? move_addr_to_kernel+0x40/0x40 [ 11.424551][ T253] ___sys_sendmsg+0x14e/0x1d0 [ 11.424554][ T253] ? copy_msghdr_from_user+0x420/0x420 [ 11.424569][ T253] __sys_sendmsg+0x12c/0x1d0 [ 11.424572][ T253] ? __sys_sendmsg_sock+0x20/0x20 [ 11.424578][ T253] ? rcu_is_watching+0x16/0xd0 [ 11.424582][ T253] do_syscall_64+0xff/0x530 [ 11.424584][ T253] ? exc_page_fault+0xee/0x100 [ 11.424587][ T253] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.424589][ T253] RIP: 0033:0x7ff4de2f454e [ 11.424592][ T253] 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 [ 11.424594][ T253] RSP: 002b:00007fff7ff9aa50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.424597][ T253] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff4de2f454e [ 11.424599][ T253] RDX: 0000000000000000 RSI: 00007fff7ff9ab00 RDI: 0000000000000005 [ 11.424600][ T253] RBP: 00007fff7ff9aa60 R08: 0000000000000000 R09: 0000000000000000 [ 11.424600][ T253] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac8b [ 11.424601][ T253] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7ff9b1c0 [ 11.424608][ T253] [ 11.476020][ T253] br0: port 1(veth1) entered disabled state [ 11.476531][ T253] veth1: entered allmulticast mode [ 11.479491][ T253] veth1: entered promiscuous mode [ 11.489763][ T253] ip (253) used greatest stack depth: 23336 bytes left [ 11.510515][ T255] br0: port 2(veth3) entered blocking state [ 11.510877][ T255] br0: port 2(veth3) entered disabled state [ 11.511253][ T255] veth3: entered allmulticast mode [ 11.512849][ T255] veth3: entered promiscuous mode [ 11.637275][ T39] br0: port 1(veth1) entered blocking state [ 11.637849][ T39] br0: port 1(veth1) entered forwarding state [ 11.665565][ T39] br0: port 2(veth3) entered blocking state [ 11.665893][ T39] br0: port 2(veth3) entered forwarding state [ 17.357794][ T498] br0: port 3(veth5) entered blocking state [ 17.357817][ T498] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.357820][ T498] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 498, name: ip [ 17.357821][ T498] preempt_count: 1, expected: 0 [ 17.357822][ T498] RCU nest depth: 0, expected: 0 [ 17.357823][ T498] locks held by ip/498: 5, last CPU#0: [ 17.357826][ T498] #0: ffffffff8a6d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 17.357838][ T498] #1: ffffffff89f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.357844][ T498] #2: ffffffff89f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.357848][ T498] #3: ffffffff89e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.357852][ T498] #4: ffffffff89e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.357856][ T498] irq event stamp: 16646 [ 17.357857][ T498] hardirqs last enabled at (16645): [] __down_trylock_console_sem+0x86/0xa0 [ 17.357859][ T498] hardirqs last disabled at (16646): [] console_emit_next_record+0x3d4/0x4c0 [ 17.357862][ T498] softirqs last enabled at (16588): [] __alloc_skb+0x4c2/0x5f0 [ 17.357865][ T498] softirqs last disabled at (16586): [] __alloc_skb+0x4c2/0x5f0 [ 17.357867][ T498] Preemption disabled at: [ 17.357868][ T498] [] vprintk_emit+0x31b/0x3e0 [ 17.357874][ T498] CPU: 0 UID: 0 PID: 498 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.357877][ T498] Tainted: [W]=WARN [ 17.357878][ T498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.357880][ T498] Call Trace: [ 17.357882][ T498] [ 17.357883][ T498] dump_stack_lvl+0x6f/0xa0 [ 17.357889][ T498] ? vprintk_emit+0x31b/0x3e0 [ 17.357891][ T498] __might_resched.cold+0x1fe/0x2c1 [ 17.357896][ T498] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.357900][ T498] ? __kmalloc_noprof+0xdb/0x760 [ 17.357906][ T498] __kmalloc_noprof+0x443/0x760 [ 17.357908][ T498] ? alloc_buf.isra.0+0x4b/0x260 [ 17.357913][ T498] ? do_raw_spin_unlock+0x59/0x250 [ 17.357916][ T498] alloc_buf.isra.0+0x4b/0x260 [ 17.357920][ T498] put_chars+0x1e1/0x2f0 [ 17.357922][ T498] ? prb_final_commit+0x50/0x50 [ 17.357924][ T498] ? __send_to_port+0x420/0x420 [ 17.357927][ T498] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.357931][ T498] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.357933][ T498] ? validate_chain+0x38b/0xc20 [ 17.357937][ T498] hvc_console_print+0x292/0x780 [ 17.357940][ T498] ? mark_usage+0x61/0x170 [ 17.357942][ T498] ? __lock_acquire+0x518/0xc20 [ 17.357943][ T498] ? __lock_acquire+0x518/0xc20 [ 17.357947][ T498] ? hvc_write+0x3a0/0x3a0 [ 17.357949][ T498] ? console_emit_next_record+0x1df/0x4c0 [ 17.357952][ T498] ? rcu_is_watching+0x16/0xd0 [ 17.357955][ T498] ? lock_acquire+0x13c/0x160 [ 17.357959][ T498] console_emit_next_record+0x22f/0x4c0 [ 17.357963][ T498] ? devkmsg_read+0x4b0/0x4b0 [ 17.357965][ T498] ? console_flush_one_record+0x106/0x710 [ 17.357968][ T498] ? rcu_is_watching+0x16/0xd0 [ 17.357970][ T498] ? lock_acquire+0x13c/0x160 [ 17.357974][ T498] console_flush_one_record+0x46f/0x710 [ 17.357978][ T498] ? console_emit_next_record+0x4c0/0x4c0 [ 17.357980][ T498] ? __lock_acquire+0x518/0xc20 [ 17.357985][ T498] console_unlock+0xee/0x1f0 [ 17.357988][ T498] ? console_flush_one_record+0x710/0x710 [ 17.357990][ T498] ? rcu_is_watching+0x16/0xd0 [ 17.357992][ T498] ? lock_acquire+0x60/0x160 [ 17.357996][ T498] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.357997][ T498] ? vprintk_emit+0x320/0x3e0 [ 17.358001][ T498] vprintk_emit+0x37c/0x3e0 [ 17.358005][ T498] ? wake_up_klogd_work_func+0x90/0x90 [ 17.358008][ T498] ? __lock_release.isra.0+0x69/0x1a0 [ 17.358010][ T498] ? mark_held_locks+0x40/0x70 [ 17.358014][ T498] _printk+0xc7/0x100 [ 17.358018][ T498] ? snapshot_read.cold+0x21/0x21 [ 17.358022][ T498] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 17.358034][ T498] ? do_setlink.isra.0+0xa31/0x2750 [ 17.358036][ T498] ? rtnl_newlink+0x9f1/0x11c0 [ 17.358037][ T498] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.358042][ T498] br_set_state+0x22f/0x430 [bridge] [ 17.358051][ T498] br_init_port+0xc4/0x200 [bridge] [ 17.358060][ T498] new_nbp+0x39c/0x580 [bridge] [ 17.358069][ T498] br_add_if+0x212/0x1320 [bridge] [ 17.358076][ T498] ? is_bpf_text_address+0x72/0x110 [ 17.358080][ T498] ? kernel_text_address+0x149/0x170 [ 17.358082][ T498] ? __kernel_text_address+0x12/0x30 [ 17.358086][ T498] do_set_master+0x357/0x580 [ 17.358091][ T498] do_setlink.isra.0+0xa31/0x2750 [ 17.358094][ T498] ? stack_trace_save+0x93/0xc0 [ 17.358097][ T498] ? rtnl_link_get_size+0x350/0x350 [ 17.358099][ T498] ? rcu_read_lock_any_held+0x66/0x90 [ 17.358100][ T498] ? stack_depot_save_flags+0x38e/0x790 [ 17.358104][ T498] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.358106][ T498] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.358108][ T498] ? validate_chain+0x38b/0xc20 [ 17.358111][ T498] ? kasan_save_stack+0x3d/0x50 [ 17.358114][ T498] ? kasan_save_stack+0x2f/0x50 [ 17.358115][ T498] ? kasan_save_track+0x14/0x30 [ 17.358118][ T498] ? __lock_acquire+0x518/0xc20 [ 17.358120][ T498] ? netlink_seq_next+0xe/0x60 [ 17.358123][ T498] ? ___sys_sendmsg+0xb0/0x1d0 [ 17.358128][ T498] ? lock_acquire.part.0+0xd4/0x280 [ 17.358130][ T498] ? rtnl_newlink+0x9a8/0x11c0 [ 17.358132][ T498] ? rcu_is_watching+0x16/0xd0 [ 17.358135][ T498] ? lock_acquire+0x13c/0x160 [ 17.358136][ T498] ? rcu_is_watching+0x16/0xd0 [ 17.358138][ T498] ? rcu_is_watching+0x16/0xd0 [ 17.358140][ T498] ? trace_contention_end+0xb3/0x180 [ 17.358144][ T498] ? __mutex_lock+0x1db/0x1ea0 [ 17.358147][ T498] ? __mutex_lock+0x9a3/0x1ea0 [ 17.358150][ T498] ? rtnl_newlink+0x9a8/0x11c0 [ 17.358153][ T498] ? ww_mutex_lock+0x160/0x160 [ 17.358154][ T498] ? nla_get_range_signed+0x3d0/0x3d0 [ 17.358159][ T498] ? __rtnl_newlink+0x3fa/0xa50 [ 17.358164][ T498] rtnl_newlink+0x9f1/0x11c0 [ 17.358172][ T498] ? rtnl_bridge_getlink+0x850/0x850 [ 17.358174][ T498] ? __lock_acquire+0x518/0xc20 [ 17.358178][ T498] ? lock_acquire.part.0+0xd4/0x280 [ 17.358180][ T498] ? find_held_lock+0x2b/0x80 [ 17.358182][ T498] ? rtnl_bridge_getlink+0x850/0x850 [ 17.358184][ T498] ? __lock_release.isra.0+0x69/0x1a0 [ 17.358187][ T498] ? rtnl_bridge_getlink+0x850/0x850 [ 17.358189][ T498] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.358192][ T498] ? rtnl_link_fill+0x920/0x920 [ 17.358194][ T498] ? __lock_acquire+0x518/0xc20 [ 17.358198][ T498] ? lock_acquire.part.0+0xd4/0x280 [ 17.358200][ T498] ? find_held_lock+0x2b/0x80 [ 17.358203][ T498] netlink_rcv_skb+0x14e/0x3a0 [ 17.358205][ T498] ? rtnl_link_fill+0x920/0x920 [ 17.358208][ T498] ? netlink_ack+0xcf0/0xcf0 [ 17.358214][ T498] ? netlink_deliver_tap+0xc5/0x330 [ 17.358215][ T498] ? netlink_deliver_tap+0x13c/0x330 [ 17.358219][ T498] netlink_unicast+0x486/0x750 [ 17.358223][ T498] ? netlink_attachskb+0x810/0x810 [ 17.358226][ T498] ? __lock_acquire+0x518/0xc20 [ 17.358230][ T498] netlink_sendmsg+0x735/0xc60 [ 17.358233][ T498] ? netlink_unicast+0x750/0x750 [ 17.358237][ T498] ? __might_fault+0x97/0x140 [ 17.358242][ T498] ____sys_sendmsg+0x415/0x880 [ 17.358245][ T498] ? copy_msghdr_from_user+0x279/0x420 [ 17.358247][ T498] ? get_timestamp.constprop.0+0x390/0x390 [ 17.358248][ T498] ? move_addr_to_kernel+0x40/0x40 [ 17.358255][ T498] ___sys_sendmsg+0x14e/0x1d0 [ 17.358258][ T498] ? copy_msghdr_from_user+0x420/0x420 [ 17.358273][ T498] __sys_sendmsg+0x12c/0x1d0 [ 17.358276][ T498] ? __sys_sendmsg_sock+0x20/0x20 [ 17.358282][ T498] ? rcu_is_watching+0x16/0xd0 [ 17.358286][ T498] do_syscall_64+0xff/0x530 [ 17.358288][ T498] ? exc_page_fault+0xee/0x100 [ 17.358291][ T498] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.358294][ T498] RIP: 0033:0x7feb4b18454e [ 17.358297][ T498] 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 [ 17.358299][ T498] RSP: 002b:00007fff093266f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.358302][ T498] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007feb4b18454e [ 17.358303][ T498] RDX: 0000000000000000 RSI: 00007fff093267a0 RDI: 0000000000000005 [ 17.358304][ T498] RBP: 00007fff09326700 R08: 0000000000000000 R09: 0000000000000000 [ 17.358305][ T498] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac91 [ 17.358306][ T498] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff09326e60 [ 17.358312][ T498] [ 17.407190][ T498] br0: port 3(veth5) entered disabled state [ 17.407568][ T498] veth5: entered allmulticast mode [ 17.409850][ T498] veth5: entered promiscuous mode [ 17.495801][ T503] veth5: left allmulticast mode [ 17.496086][ T503] veth5: left promiscuous mode [ 17.496433][ T503] br0: port 3(veth5) entered disabled state [ 17.839937][ T518] br0: port 3(veth5) entered blocking state [ 17.840331][ T518] br0: port 3(veth5) entered disabled state [ 17.840697][ T518] veth5: entered allmulticast mode [ 17.842330][ T518] veth5: entered promiscuous mode [ 17.842716][ T518] br0: adding interface veth5 with same address as a received packet (addr:de:ad:be:ef:42:00, vlan:0) [ 17.842769][ T518] [ 17.842770][ T518] ===================================================== [ 17.842771][ T518] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 17.842774][ T518] 7.2.0-virtme #1 Tainted: G W [ 17.842776][ T518] ----------------------------------------------------- [ 17.842776][ T518] ip/518 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: [ 17.842778][ T518] ffffffff89e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.842790][ T518] [ 17.842790][ T518] and this task is already holding: [ 17.842791][ T518] ff1100000895ae98 (&br->hash_lock){+.-.}-{3:3}, at: br_fdb_add_local+0x2b/0x60 [bridge] [ 17.842805][ T518] which would create a new lock dependency: [ 17.842805][ T518] (&br->hash_lock){+.-.}-{3:3} -> (console_owner){....}-{0:0} [ 17.842808][ T518] [ 17.842808][ T518] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 17.842808][ T518] (&br->hash_lock){+.-.}-{3:3} [ 17.842809][ T518] [ 17.842809][ T518] ... which became SOFTIRQ-irq-safe at: [ 17.842811][ T518] __lock_acquire+0x388/0xc20 [ 17.842814][ T518] lock_acquire.part.0+0xd4/0x280 [ 17.842816][ T518] _raw_spin_lock+0x33/0x40 [ 17.842819][ T518] br_fdb_update+0x342/0x670 [bridge] [ 17.842826][ T518] br_handle_frame_finish+0x801/0x1d20 [bridge] [ 17.842833][ T518] br_handle_frame+0x74d/0xf50 [bridge] [ 17.842839][ T518] __netif_receive_skb_core.constprop.0+0x536/0x2bb0 [ 17.842843][ T518] __netif_receive_skb_one_core+0xa2/0x180 [ 17.842844][ T518] process_backlog+0x431/0x14c0 [ 17.842846][ T518] __napi_poll+0xa7/0x3b0 [ 17.842847][ T518] net_rx_action+0x513/0xf50 [ 17.842848][ T518] handle_softirqs+0x1d3/0x900 [ 17.842851][ T518] do_softirq+0xac/0xe0 [ 17.842852][ T518] __local_bh_enable_ip+0x118/0x150 [ 17.842854][ T518] __dev_queue_xmit+0x979/0x1b80 [ 17.842855][ T518] ip6_finish_output2+0x423/0x1300 [ 17.842858][ T518] ip6_finish_output+0x646/0xda0 [ 17.842859][ T518] ip6_output+0x23f/0x7f0 [ 17.842860][ T518] mld_sendpack+0x9d6/0xec0 [ 17.842862][ T518] mld_ifc_work+0x36/0x190 [ 17.842864][ T518] process_one_work+0xe3e/0x1560 [ 17.842867][ T518] worker_thread+0x4f1/0xd60 [ 17.842868][ T518] kthread+0x367/0x460 [ 17.842870][ T518] ret_from_fork+0x474/0x6b0 [ 17.842873][ T518] ret_from_fork_asm+0x11/0x20 [ 17.842875][ T518] [ 17.842875][ T518] to a SOFTIRQ-irq-unsafe lock: [ 17.842876][ T518] (fs_reclaim){+.+.}-{0:0} [ 17.842877][ T518] [ 17.842877][ T518] ... which became SOFTIRQ-irq-unsafe at: [ 17.842878][ T518] ... [ 17.842879][ T518] __lock_acquire+0x388/0xc20 [ 17.842880][ T518] lock_acquire.part.0+0xd4/0x280 [ 17.842882][ T518] fs_reclaim_acquire+0xd5/0x120 [ 17.842885][ T518] __kmalloc_cache_noprof+0x6e/0x620 [ 17.842887][ T518] kthread_create_worker_on_node+0xea/0x210 [ 17.842888][ T518] workqueue_init+0x2a/0x680 [ 17.842892][ T518] kernel_init_freeable+0x2fe/0x630 [ 17.842894][ T518] kernel_init+0x21/0x150 [ 17.842896][ T518] ret_from_fork+0x474/0x6b0 [ 17.842897][ T518] ret_from_fork_asm+0x11/0x20 [ 17.842899][ T518] [ 17.842899][ T518] other info that might help us debug this: [ 17.842899][ T518] [ 17.842899][ T518] Chain exists of: [ 17.842899][ T518] &br->hash_lock --> console_owner --> fs_reclaim [ 17.842899][ T518] [ 17.842901][ T518] Possible interrupt unsafe locking scenario: [ 17.842901][ T518] [ 17.842902][ T518] CPU0 CPU1 [ 17.842903][ T518] ---- ---- [ 17.842903][ T518] lock(fs_reclaim); [ 17.842904][ T518] local_irq_disable(); [ 17.842904][ T518] lock(&br->hash_lock); [ 17.842905][ T518] lock(console_owner); [ 17.842906][ T518] [ 17.842906][ T518] lock(&br->hash_lock); [ 17.842907][ T518] [ 17.842907][ T518] *** DEADLOCK *** [ 17.842907][ T518] [ 17.842907][ T518] locks held by ip/518: 4, last CPU#2: [ 17.842909][ T518] #0: ffffffff8a6d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 17.842913][ T518] #1: ff1100000895ae98 (&br->hash_lock){+.-.}-{3:3}, at: br_fdb_add_local+0x2b/0x60 [bridge] [ 17.842920][ T518] #2: ffffffff89f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.842924][ T518] #3: ffffffff89f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.842927][ T518] [ 17.842927][ T518] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 17.842928][ T518] -> (&br->hash_lock){+.-.}-{3:3} { [ 17.842930][ T518] HARDIRQ-ON-W at: [ 17.842931][ T518] __lock_acquire+0x388/0xc20 [ 17.842932][ T518] lock_acquire.part.0+0xd4/0x280 [ 17.842934][ T518] _raw_spin_lock_bh+0x38/0x50 [ 17.842935][ T518] br_fdb_change_mac_address+0x6f/0x580 [bridge] [ 17.842941][ T518] br_device_event+0x44b/0x8f0 [bridge] [ 17.842947][ T518] notifier_call_chain+0xae/0x300 [ 17.842949][ T518] register_netdevice+0x1222/0x1af0 [ 17.842951][ T518] br_dev_newlink+0x70/0x160 [bridge] [ 17.842958][ T518] rtnl_newlink_create+0x2d0/0x750 [ 17.842959][ T518] __rtnl_newlink+0x22b/0xa50 [ 17.842960][ T518] rtnl_newlink+0x9f1/0x11c0 [ 17.842961][ T518] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.842962][ T518] netlink_rcv_skb+0x14e/0x3a0 [ 17.842965][ T518] netlink_unicast+0x486/0x750 [ 17.842966][ T518] netlink_sendmsg+0x735/0xc60 [ 17.842967][ T518] ____sys_sendmsg+0x415/0x880 [ 17.842969][ T518] ___sys_sendmsg+0x14e/0x1d0 [ 17.842971][ T518] __sys_sendmsg+0x12c/0x1d0 [ 17.842972][ T518] do_syscall_64+0xff/0x530 [ 17.842974][ T518] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.842976][ T518] IN-SOFTIRQ-W at: [ 17.842977][ T518] __lock_acquire+0x388/0xc20 [ 17.842978][ T518] lock_acquire.part.0+0xd4/0x280 [ 17.842980][ T518] _raw_spin_lock+0x33/0x40 [ 17.842981][ T518] br_fdb_update+0x342/0x670 [bridge] [ 17.842987][ T518] br_handle_frame_finish+0x801/0x1d20 [bridge] [ 17.842993][ T518] br_handle_frame+0x74d/0xf50 [bridge] [ 17.842998][ T518] __netif_receive_skb_core.constprop.0+0x536/0x2bb0 [ 17.843000][ T518] __netif_receive_skb_one_core+0xa2/0x180 [ 17.843002][ T518] process_backlog+0x431/0x14c0 [ 17.843003][ T518] __napi_poll+0xa7/0x3b0 [ 17.843004][ T518] net_rx_action+0x513/0xf50 [ 17.843006][ T518] handle_softirqs+0x1d3/0x900 [ 17.843007][ T518] do_softirq+0xac/0xe0 [ 17.843008][ T518] __local_bh_enable_ip+0x118/0x150 [ 17.843010][ T518] __dev_queue_xmit+0x979/0x1b80 [ 17.843011][ T518] ip6_finish_output2+0x423/0x1300 [ 17.843012][ T518] ip6_finish_output+0x646/0xda0 [ 17.843013][ T518] ip6_output+0x23f/0x7f0 [ 17.843015][ T518] mld_sendpack+0x9d6/0xec0 [ 17.843016][ T518] mld_ifc_work+0x36/0x190 [ 17.843017][ T518] process_one_work+0xe3e/0x1560 [ 17.843019][ T518] worker_thread+0x4f1/0xd60 [ 17.843020][ T518] kthread+0x367/0x460 [ 17.843021][ T518] ret_from_fork+0x474/0x6b0 [ 17.843022][ T518] ret_from_fork_asm+0x11/0x20 [ 17.843024][ T518] INITIAL USE at: [ 17.843024][ T518] __lock_acquire+0x388/0xc20 [ 17.843026][ T518] lock_acquire.part.0+0xd4/0x280 [ 17.843027][ T518] _raw_spin_lock_bh+0x38/0x50 [ 17.843028][ T518] br_fdb_change_mac_address+0x6f/0x580 [bridge] [ 17.843034][ T518] br_device_event+0x44b/0x8f0 [bridge] [ 17.843040][ T518] notifier_call_chain+0xae/0x300 [ 17.843041][ T518] register_netdevice+0x1222/0x1af0 [ 17.843042][ T518] br_dev_newlink+0x70/0x160 [bridge] [ 17.843048][ T518] rtnl_newlink_create+0x2d0/0x750 [ 17.843049][ T518] __rtnl_newlink+0x22b/0xa50 [ 17.843050][ T518] rtnl_newlink+0x9f1/0x11c0 [ 17.843051][ T518] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.843052][ T518] netlink_rcv_skb+0x14e/0x3a0 [ 17.843053][ T518] netlink_unicast+0x486/0x750 [ 17.843054][ T518] netlink_sendmsg+0x735/0xc60 [ 17.843055][ T518] ____sys_sendmsg+0x415/0x880 [ 17.843056][ T518] ___sys_sendmsg+0x14e/0x1d0 [ 17.843058][ T518] __sys_sendmsg+0x12c/0x1d0 [ 17.843059][ T518] do_syscall_64+0xff/0x530 [ 17.843060][ T518] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.843061][ T518] } [ 17.843062][ T518] ... key at: [] __key.6+0x0/0x40 [bridge] [ 17.843068][ T518] [ 17.843068][ T518] the dependencies between the lock to be acquired [ 17.843068][ T518] and SOFTIRQ-irq-unsafe lock: [ 17.843074][ T518] -> (fs_reclaim){+.+.}-{0:0} { [ 17.843075][ T518] HARDIRQ-ON-W at: [ 17.843076][ T518] __lock_acquire+0x388/0xc20 [ 17.843077][ T518] lock_acquire.part.0+0xd4/0x280 [ 17.843079][ T518] fs_reclaim_acquire+0xd5/0x120 [ 17.843080][ T518] __kmalloc_cache_noprof+0x6e/0x620 [ 17.843081][ T518] kthread_create_worker_on_node+0xea/0x210 [ 17.843083][ T518] workqueue_init+0x2a/0x680 [ 17.843084][ T518] kernel_init_freeable+0x2fe/0x630 [ 17.843085][ T518] kernel_init+0x21/0x150 [ 17.843086][ T518] ret_from_fork+0x474/0x6b0 [ 17.843087][ T518] ret_from_fork_asm+0x11/0x20 [ 17.843089][ T518] SOFTIRQ-ON-W at: [ 17.843089][ T518] __lock_acquire+0x388/0xc20 [ 17.843091][ T518] lock_acquire.part.0+0xd4/0x280 [ 17.843092][ T518] fs_reclaim_acquire+0xd5/0x120 [ 17.843093][ T518] __kmalloc_cache_noprof+0x6e/0x620 [ 17.843094][ T518] kthread_create_worker_on_node+0xea/0x210 [ 17.843096][ T518] workqueue_init+0x2a/0x680 [ 17.843097][ T518] kernel_init_freeable+0x2fe/0x630 [ 17.843098][ T518] kernel_init+0x21/0x150 [ 17.843099][ T518] ret_from_fork+0x474/0x6b0 [ 17.843100][ T518] ret_from_fork_asm+0x11/0x20 [ 17.843102][ T518] INITIAL USE at: [ 17.843102][ T518] __lock_acquire+0x388/0xc20 [ 17.843103][ T518] lock_acquire.part.0+0xd4/0x280 [ 17.843105][ T518] fs_reclaim_acquire+0xd5/0x120 [ 17.843106][ T518] __kmalloc_cache_noprof+0x6e/0x620 [ 17.843107][ T518] kthread_create_worker_on_node+0xea/0x210 [ 17.843108][ T518] workqueue_init+0x2a/0x680 [ 17.843109][ T518] kernel_init_freeable+0x2fe/0x630 [ 17.843110][ T518] kernel_init+0x21/0x150 [ 17.843112][ T518] ret_from_fork+0x474/0x6b0 [ 17.843113][ T518] ret_from_fork_asm+0x11/0x20 [ 17.843114][ T518] } [ 17.843114][ T518] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 17.843118][ T518] ... acquired at: [ 17.843119][ T518] __lock_acquire+0x518/0xc20 [ 17.843121][ T518] lock_acquire.part.0+0xd4/0x280 [ 17.843122][ T518] fs_reclaim_acquire+0xd5/0x120 [ 17.843123][ T518] __kmalloc_noprof+0xd3/0x760 [ 17.843124][ T518] alloc_buf.isra.0+0x4b/0x260 [ 17.843127][ T518] put_chars+0x1e1/0x2f0 [ 17.843128][ T518] hvc_console_print+0x292/0x780 [ 17.843130][ T518] console_emit_next_record+0x22f/0x4c0 [ 17.843132][ T518] console_flush_one_record+0x46f/0x710 [ 17.843133][ T518] console_unlock+0xee/0x1f0 [ 17.843135][ T518] vprintk_emit+0x37c/0x3e0 [ 17.843136][ T518] _printk+0xc7/0x100 [ 17.843139][ T518] i8042_pnp_init+0xf7/0x3c0 [ 17.843142][ T518] i8042_platform_init+0x3f9/0x460 [ 17.843144][ T518] i8042_init+0x45/0x130 [ 17.843145][ T518] do_one_initcall+0x124/0x4f0 [ 17.843146][ T518] kernel_init_freeable+0x596/0x630 [ 17.843147][ T518] kernel_init+0x21/0x150 [ 17.843149][ T518] ret_from_fork+0x474/0x6b0 [ 17.843150][ T518] ret_from_fork_asm+0x11/0x20 [ 17.843151][ T518] [ 17.843151][ T518] -> (console_owner){....}-{0:0} { [ 17.843153][ T518] INITIAL USE at: [ 17.843154][ T518] } [ 17.843154][ T518] ... key at: [] console_owner_dep_map+0x0/0x60 [ 17.843157][ T518] ... acquired at: [ 17.843158][ T518] check_prev_add+0xef/0xe90 [ 17.843159][ T518] validate_chain+0x6b8/0xc20 [ 17.843160][ T518] __lock_acquire+0x518/0xc20 [ 17.843161][ T518] lock_acquire.part.0+0xd4/0x280 [ 17.843163][ T518] console_lock_spinning_enable+0x5c/0x60 [ 17.843164][ T518] console_emit_next_record+0x1d1/0x4c0 [ 17.843166][ T518] console_flush_one_record+0x46f/0x710 [ 17.843167][ T518] console_unlock+0xee/0x1f0 [ 17.843173][ T518] vprintk_emit+0x37c/0x3e0 [ 17.843175][ T518] _printk+0xc7/0x100 [ 17.843176][ T518] fdb_add_local.cold+0x78/0xd5 [bridge] [ 17.843184][ T518] br_fdb_add_local+0x3f/0x60 [bridge] [ 17.843190][ T518] br_add_if+0x803/0x1320 [bridge] [ 17.843196][ T518] do_set_master+0x357/0x580 [ 17.843198][ T518] do_setlink.isra.0+0xa31/0x2750 [ 17.843199][ T518] rtnl_newlink+0x9f1/0x11c0 [ 17.843200][ T518] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.843201][ T518] netlink_rcv_skb+0x14e/0x3a0 [ 17.843202][ T518] netlink_unicast+0x486/0x750 [ 17.843203][ T518] netlink_sendmsg+0x735/0xc60 [ 17.843204][ T518] ____sys_sendmsg+0x415/0x880 [ 17.843205][ T518] ___sys_sendmsg+0x14e/0x1d0 [ 17.843207][ T518] __sys_sendmsg+0x12c/0x1d0 [ 17.843208][ T518] do_syscall_64+0xff/0x530 [ 17.843209][ T518] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.843210][ T518] [ 17.843211][ T518] [ 17.843211][ T518] stack backtrace: [ 17.843213][ T518] CPU: 2 UID: 0 PID: 518 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.843217][ T518] Tainted: [W]=WARN [ 17.843218][ T518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.843220][ T518] Call Trace: [ 17.843221][ T518] [ 17.843222][ T518] dump_stack_lvl+0x6f/0xa0 [ 17.843226][ T518] print_bad_irq_dependency+0x3e4/0x410 [ 17.843229][ T518] check_irq_usage+0x403/0x570 [ 17.843230][ T518] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.843234][ T518] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.843237][ T518] ? check_path.constprop.0+0x24/0x50 [ 17.843239][ T518] ? check_prev_add+0xef/0xe90 [ 17.843240][ T518] check_prev_add+0xef/0xe90 [ 17.843242][ T518] validate_chain+0x6b8/0xc20 [ 17.843244][ T518] __lock_acquire+0x518/0xc20 [ 17.843246][ T518] lock_acquire.part.0+0xd4/0x280 [ 17.843248][ T518] ? console_lock_spinning_enable+0x40/0x60 [ 17.843250][ T518] ? rcu_is_watching+0x16/0xd0 [ 17.843252][ T518] ? lock_acquire+0x13c/0x160 [ 17.843254][ T518] console_lock_spinning_enable+0x5c/0x60 [ 17.843255][ T518] ? console_lock_spinning_enable+0x40/0x60 [ 17.843257][ T518] console_emit_next_record+0x1d1/0x4c0 [ 17.843259][ T518] ? devkmsg_read+0x4b0/0x4b0 [ 17.843261][ T518] ? console_flush_one_record+0x106/0x710 [ 17.843263][ T518] ? rcu_is_watching+0x16/0xd0 [ 17.843264][ T518] ? lock_acquire+0x13c/0x160 [ 17.843266][ T518] console_flush_one_record+0x46f/0x710 [ 17.843268][ T518] ? console_emit_next_record+0x4c0/0x4c0 [ 17.843270][ T518] ? __lock_acquire+0x518/0xc20 [ 17.843272][ T518] console_unlock+0xee/0x1f0 [ 17.843274][ T518] ? console_flush_one_record+0x710/0x710 [ 17.843275][ T518] ? rcu_is_watching+0x16/0xd0 [ 17.843277][ T518] ? lock_acquire+0x60/0x160 [ 17.843279][ T518] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.843281][ T518] ? vprintk_emit+0x320/0x3e0 [ 17.843283][ T518] vprintk_emit+0x37c/0x3e0 [ 17.843285][ T518] ? wake_up_klogd_work_func+0x90/0x90 [ 17.843287][ T518] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.843288][ T518] _printk+0xc7/0x100 [ 17.843290][ T518] ? snapshot_read.cold+0x21/0x21 [ 17.843292][ T518] ? __lock_release.isra.0+0x69/0x1a0 [ 17.843294][ T518] ? br_fdb_find+0xb5/0x1a0 [bridge] [ 17.843300][ T518] fdb_add_local.cold+0x78/0xd5 [bridge] [ 17.843307][ T518] br_fdb_add_local+0x3f/0x60 [bridge] [ 17.843314][ T518] br_add_if+0x803/0x1320 [bridge] [ 17.843321][ T518] do_set_master+0x357/0x580 [ 17.843331][ T518] do_setlink.isra.0+0xa31/0x2750 [ 17.843332][ T518] ? stack_trace_save+0x93/0xc0 [ 17.843335][ T518] ? rtnl_link_get_size+0x350/0x350 [ 17.843336][ T518] ? rcu_read_lock_any_held+0x66/0x90 [ 17.843337][ T518] ? stack_depot_save_flags+0x38e/0x790 [ 17.843340][ T518] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.843342][ T518] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.843343][ T518] ? validate_chain+0x38b/0xc20 [ 17.843345][ T518] ? kasan_save_stack+0x3d/0x50 [ 17.843348][ T518] ? kasan_save_stack+0x2f/0x50 [ 17.843349][ T518] ? kasan_save_track+0x14/0x30 [ 17.843351][ T518] ? __lock_acquire+0x518/0xc20 [ 17.843352][ T518] ? netlink_seq_next+0xe/0x60 [ 17.843354][ T518] ? ___sys_sendmsg+0xb0/0x1d0 [ 17.843356][ T518] ? lock_acquire.part.0+0xd4/0x280 [ 17.843357][ T518] ? rtnl_newlink+0x9a8/0x11c0 [ 17.843358][ T518] ? rcu_is_watching+0x16/0xd0 [ 17.843360][ T518] ? lock_acquire+0x13c/0x160 [ 17.843362][ T518] ? rcu_is_watching+0x16/0xd0 [ 17.843363][ T518] ? rcu_is_watching+0x16/0xd0 [ 17.843365][ T518] ? trace_contention_end+0xb3/0x180 [ 17.843368][ T518] ? __mutex_lock+0x1db/0x1ea0 [ 17.843369][ T518] ? __mutex_lock+0x9a3/0x1ea0 [ 17.843371][ T518] ? rtnl_newlink+0x9a8/0x11c0 [ 17.843372][ T518] ? ww_mutex_lock+0x160/0x160 [ 17.843373][ T518] ? nla_get_range_signed+0x3d0/0x3d0 [ 17.843375][ T518] ? __rtnl_newlink+0x3fa/0xa50 [ 17.843377][ T518] rtnl_newlink+0x9f1/0x11c0 [ 17.843380][ T518] ? rtnl_bridge_getlink+0x850/0x850 [ 17.843381][ T518] ? __lock_acquire+0x518/0xc20 [ 17.843383][ T518] ? lock_acquire.part.0+0xd4/0x280 [ 17.843384][ T518] ? find_held_lock+0x2b/0x80 [ 17.843385][ T518] ? rtnl_bridge_getlink+0x850/0x850 [ 17.843387][ T518] ? __lock_release.isra.0+0x69/0x1a0 [ 17.843389][ T518] ? rtnl_bridge_getlink+0x850/0x850 [ 17.843390][ T518] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.843391][ T518] ? rtnl_link_fill+0x920/0x920 [ 17.843392][ T518] ? __lock_acquire+0x518/0xc20 [ 17.843394][ T518] ? lock_acquire.part.0+0xd4/0x280 [ 17.843396][ T518] ? find_held_lock+0x2b/0x80 [ 17.843397][ T518] netlink_rcv_skb+0x14e/0x3a0 [ 17.843399][ T518] ? rtnl_link_fill+0x920/0x920 [ 17.843400][ T518] ? netlink_ack+0xcf0/0xcf0 [ 17.843403][ T518] ? netlink_deliver_tap+0xc5/0x330 [ 17.843404][ T518] ? netlink_deliver_tap+0x13c/0x330 [ 17.843406][ T518] netlink_unicast+0x486/0x750 [ 17.843408][ T518] ? netlink_attachskb+0x810/0x810 [ 17.843409][ T518] ? __lock_acquire+0x518/0xc20 [ 17.843411][ T518] netlink_sendmsg+0x735/0xc60 [ 17.843413][ T518] ? netlink_unicast+0x750/0x750 [ 17.843415][ T518] ? __might_fault+0x97/0x140 [ 17.843418][ T518] ____sys_sendmsg+0x415/0x880 [ 17.843420][ T518] ? copy_msghdr_from_user+0x279/0x420 [ 17.843421][ T518] ? get_timestamp.constprop.0+0x390/0x390 [ 17.843423][ T518] ? move_addr_to_kernel+0x40/0x40 [ 17.843426][ T518] ___sys_sendmsg+0x14e/0x1d0 [ 17.843427][ T518] ? copy_msghdr_from_user+0x420/0x420 [ 17.843432][ T518] __sys_sendmsg+0x12c/0x1d0 [ 17.843434][ T518] ? __sys_sendmsg_sock+0x20/0x20 [ 17.843437][ T518] ? rcu_is_watching+0x16/0xd0 [ 17.843439][ T518] do_syscall_64+0xff/0x530 [ 17.843440][ T518] ? exc_page_fault+0xee/0x100 [ 17.843442][ T518] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.843444][ T518] RIP: 0033:0x7fd4cec4854e [ 17.843447][ T518] 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 [ 17.843449][ T518] RSP: 002b:00007ffedc1033c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.843452][ T518] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd4cec4854e [ 17.843453][ T518] RDX: 0000000000000000 RSI: 00007ffedc103470 RDI: 0000000000000005 [ 17.843454][ T518] RBP: 00007ffedc1033d0 R08: 0000000000000000 R09: 0000000000000000 [ 17.843455][ T518] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac92 [ 17.843456][ T518] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedc103b30 [ 17.843458][ T518] [ 17.924587][ T518] ip (518) used greatest stack depth: 23304 bytes left [ 17.973985][ T523] veth5: left allmulticast mode [ 17.974893][ T523] veth5: left promiscuous mode [ 17.975151][ T523] br0: port 3(veth5) entered disabled state [ 28.829575][ T1263] br0: port 3(veth5) entered blocking state [ 28.829593][ T1263] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.829595][ T1263] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1263, name: ip [ 28.829597][ T1263] preempt_count: 1, expected: 0 [ 28.829598][ T1263] RCU nest depth: 0, expected: 0 [ 28.829599][ T1263] INFO: lockdep is turned off. [ 28.829600][ T1263] irq event stamp: 0 [ 28.829601][ T1263] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 28.829605][ T1263] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 28.829612][ T1263] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 28.829613][ T1263] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 28.829615][ T1263] Preemption disabled at: [ 28.829615][ T1263] [] vprintk_emit+0x31b/0x3e0 [ 28.829623][ T1263] CPU: 2 UID: 0 PID: 1263 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.829627][ T1263] Tainted: [W]=WARN [ 28.829628][ T1263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.829629][ T1263] Call Trace: [ 28.829631][ T1263] [ 28.829632][ T1263] dump_stack_lvl+0x6f/0xa0 [ 28.829637][ T1263] ? vprintk_emit+0x31b/0x3e0 [ 28.829639][ T1263] __might_resched.cold+0x1fe/0x2c1 [ 28.829643][ T1263] ? __module_address+0x36/0x330 [ 28.829646][ T1263] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.829649][ T1263] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 28.829651][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829654][ T1263] __kmalloc_noprof+0x443/0x760 [ 28.829658][ T1263] ? __rwlock_init+0x150/0x150 [ 28.829660][ T1263] ? alloc_buf.isra.0+0x4b/0x260 [ 28.829664][ T1263] ? do_raw_spin_unlock+0x59/0x250 [ 28.829666][ T1263] alloc_buf.isra.0+0x4b/0x260 [ 28.829668][ T1263] put_chars+0x1e1/0x2f0 [ 28.829669][ T1263] ? prb_final_commit+0x50/0x50 [ 28.829670][ T1263] ? __send_to_port+0x420/0x420 [ 28.829672][ T1263] ? printk_get_next_message+0x240/0x650 [ 28.829674][ T1263] hvc_console_print+0x292/0x780 [ 28.829678][ T1263] ? hvc_write+0x3a0/0x3a0 [ 28.829679][ T1263] ? do_raw_spin_lock+0x131/0x280 [ 28.829681][ T1263] ? vsnprintf+0x668/0x1700 [ 28.829684][ T1263] ? __rwlock_init+0x150/0x150 [ 28.829685][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829687][ T1263] ? lock_acquire+0x13c/0x160 [ 28.829689][ T1263] console_emit_next_record+0x22f/0x4c0 [ 28.829692][ T1263] ? devkmsg_read+0x4b0/0x4b0 [ 28.829694][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829695][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829697][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829698][ T1263] ? lock_acquire+0x13c/0x160 [ 28.829700][ T1263] ? console_flush_one_record+0x111/0x710 [ 28.829702][ T1263] console_flush_one_record+0x46f/0x710 [ 28.829704][ T1263] ? console_emit_next_record+0x4c0/0x4c0 [ 28.829706][ T1263] console_unlock+0xee/0x1f0 [ 28.829708][ T1263] ? lock_acquire+0x13c/0x160 [ 28.829710][ T1263] ? console_flush_one_record+0x710/0x710 [ 28.829711][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829713][ T1263] ? lock_release+0x184/0x1f0 [ 28.829714][ T1263] ? lock_acquire+0x60/0x160 [ 28.829715][ T1263] ? __rcu_read_lock+0x30/0x70 [ 28.829717][ T1263] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.829719][ T1263] ? vprintk_emit+0x320/0x3e0 [ 28.829721][ T1263] vprintk_emit+0x37c/0x3e0 [ 28.829724][ T1263] ? wake_up_klogd_work_func+0x90/0x90 [ 28.829725][ T1263] ? __rwlock_init+0x150/0x150 [ 28.829727][ T1263] ? filter_irq_stacks+0xd0/0xd0 [ 28.829729][ T1263] ? lock_acquire+0x13c/0x160 [ 28.829730][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829732][ T1263] _printk+0xc7/0x100 [ 28.829735][ T1263] ? snapshot_read.cold+0x21/0x21 [ 28.829737][ T1263] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 28.829749][ T1263] ? do_setlink.isra.0+0xa31/0x2750 [ 28.829752][ T1263] ? rtnl_newlink+0x9f1/0x11c0 [ 28.829753][ T1263] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 28.829755][ T1263] br_set_state+0x22f/0x430 [bridge] [ 28.829763][ T1263] br_init_port+0xc4/0x200 [bridge] [ 28.829771][ T1263] new_nbp+0x39c/0x580 [bridge] [ 28.829778][ T1263] br_add_if+0x212/0x1320 [bridge] [ 28.829784][ T1263] ? bpf_address_lookup+0x250/0x290 [ 28.829787][ T1263] ? is_bpf_text_address+0x72/0x110 [ 28.829789][ T1263] ? kernel_text_address+0x149/0x170 [ 28.829791][ T1263] ? __kernel_text_address+0x12/0x30 [ 28.829793][ T1263] do_set_master+0x357/0x580 [ 28.829796][ T1263] do_setlink.isra.0+0xa31/0x2750 [ 28.829798][ T1263] ? stack_trace_save+0x93/0xc0 [ 28.829799][ T1263] ? rtnl_link_get_size+0x350/0x350 [ 28.829800][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829802][ T1263] ? stack_depot_save_flags+0x1bc/0x790 [ 28.829806][ T1263] ? kasan_save_stack+0x3d/0x50 [ 28.829809][ T1263] ? kasan_save_stack+0x2f/0x50 [ 28.829810][ T1263] ? kasan_save_track+0x14/0x30 [ 28.829811][ T1263] ? __kasan_kmalloc+0x7b/0x90 [ 28.829813][ T1263] ? __kmalloc_cache_noprof+0x29a/0x620 [ 28.829814][ T1263] ? rtnl_newlink+0x124/0x11c0 [ 28.829815][ T1263] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 28.829816][ T1263] ? netlink_rcv_skb+0x14e/0x3a0 [ 28.829819][ T1263] ? netlink_unicast+0x486/0x750 [ 28.829820][ T1263] ? netlink_sendmsg+0x735/0xc60 [ 28.829822][ T1263] ? ____sys_sendmsg+0x415/0x880 [ 28.829824][ T1263] ? ___sys_sendmsg+0x14e/0x1d0 [ 28.829826][ T1263] ? __sys_sendmsg+0x12c/0x1d0 [ 28.829827][ T1263] ? do_syscall_64+0xff/0x530 [ 28.829829][ T1263] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.829832][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829833][ T1263] ? lock_acquire+0x13c/0x160 [ 28.829835][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829836][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829838][ T1263] ? trace_contention_end+0xb3/0x180 [ 28.829841][ T1263] ? __mutex_lock+0x1db/0x1ea0 [ 28.829843][ T1263] ? __mutex_lock+0x9a3/0x1ea0 [ 28.829844][ T1263] ? rtnl_newlink+0x9a8/0x11c0 [ 28.829846][ T1263] ? ww_mutex_lock+0x160/0x160 [ 28.829847][ T1263] ? nla_get_range_signed+0x3d0/0x3d0 [ 28.829849][ T1263] ? __rtnl_newlink+0x3fa/0xa50 [ 28.829851][ T1263] rtnl_newlink+0x9f1/0x11c0 [ 28.829853][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829855][ T1263] ? rtnl_bridge_getlink+0x850/0x850 [ 28.829856][ T1263] ? lock_acquire+0x13c/0x160 [ 28.829857][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829859][ T1263] ? is_bpf_text_address+0x3e/0x110 [ 28.829861][ T1263] ? is_bpf_text_address+0x72/0x110 [ 28.829862][ T1263] ? kernel_text_address+0x149/0x170 [ 28.829864][ T1263] ? __kernel_text_address+0x12/0x30 [ 28.829865][ T1263] ? write_profile+0xf0/0xf0 [ 28.829866][ T1263] ? unwind_get_return_address+0x67/0xd0 [ 28.829868][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829870][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829871][ T1263] ? cap_capable+0x1d7/0x3d0 [ 28.829875][ T1263] ? lock_acquire+0x13c/0x160 [ 28.829876][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829878][ T1263] ? rtnl_bridge_getlink+0x850/0x850 [ 28.829879][ T1263] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 28.829881][ T1263] ? rtnl_link_fill+0x920/0x920 [ 28.829882][ T1263] ? filter_irq_stacks+0xd0/0xd0 [ 28.829884][ T1263] ? stack_depot_save_flags+0x1bc/0x790 [ 28.829886][ T1263] netlink_rcv_skb+0x14e/0x3a0 [ 28.829887][ T1263] ? rtnl_link_fill+0x920/0x920 [ 28.829889][ T1263] ? lock_release+0x184/0x1f0 [ 28.829890][ T1263] ? netlink_ack+0xcf0/0xcf0 [ 28.829891][ T1263] ? __netlink_lookup+0xb9/0x6b0 [ 28.829894][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829896][ T1263] ? lock_release+0x184/0x1f0 [ 28.829897][ T1263] netlink_unicast+0x486/0x750 [ 28.829899][ T1263] ? netlink_attachskb+0x810/0x810 [ 28.829901][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829902][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829904][ T1263] ? lock_acquire+0x13c/0x160 [ 28.829906][ T1263] netlink_sendmsg+0x735/0xc60 [ 28.829908][ T1263] ? netlink_unicast+0x750/0x750 [ 28.829909][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829911][ T1263] ? lock_release+0x184/0x1f0 [ 28.829913][ T1263] ____sys_sendmsg+0x415/0x880 [ 28.829914][ T1263] ? copy_msghdr_from_user+0x279/0x420 [ 28.829916][ T1263] ? get_timestamp.constprop.0+0x390/0x390 [ 28.829917][ T1263] ? move_addr_to_kernel+0x40/0x40 [ 28.829919][ T1263] ? filter_irq_stacks+0xd0/0xd0 [ 28.829921][ T1263] ___sys_sendmsg+0x14e/0x1d0 [ 28.829923][ T1263] ? copy_msghdr_from_user+0x420/0x420 [ 28.829927][ T1263] __sys_sendmsg+0x12c/0x1d0 [ 28.829929][ T1263] ? __sys_sendmsg_sock+0x20/0x20 [ 28.829932][ T1263] ? rcu_is_watching+0x16/0xd0 [ 28.829934][ T1263] do_syscall_64+0xff/0x530 [ 28.829935][ T1263] ? exc_page_fault+0xee/0x100 [ 28.829937][ T1263] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.829939][ T1263] RIP: 0033:0x7f159452b54e [ 28.829941][ T1263] 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 [ 28.829943][ T1263] RSP: 002b:00007ffe9fe238d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 28.829947][ T1263] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f159452b54e [ 28.829948][ T1263] RDX: 0000000000000000 RSI: 00007ffe9fe23980 RDI: 0000000000000005 [ 28.829949][ T1263] RBP: 00007ffe9fe238e0 R08: 0000000000000000 R09: 0000000000000000 [ 28.829950][ T1263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac9d [ 28.829951][ T1263] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9fe24040 [ 28.829953][ T1263] [ 28.864223][ T1263] br0: port 3(veth5) entered disabled state [ 28.864448][ T1263] veth5: entered allmulticast mode [ 28.865407][ T1263] veth5: entered promiscuous mode [ 28.935991][ T1275] br0: port 3(veth5) entered disabled state [ 28.952577][ T1276] br0: port 2(veth3) entered disabled state [ 28.977562][ T1277] br0: port 1(veth1) entered disabled state [ 28.995249][ T1278] veth5: left allmulticast mode [ 28.995415][ T1278] veth5: left promiscuous mode [ 28.995617][ T1278] br0: port 3(veth5) entered disabled state [ 28.996637][ T1278] veth3: left allmulticast mode [ 28.996776][ T1278] veth3: left promiscuous mode [ 28.996964][ T1278] br0: port 2(veth3) entered disabled state [ 28.997467][ T1278] veth1: left allmulticast mode [ 28.997596][ T1278] veth1: left promiscuous mode [ 28.997774][ T1278] br0: port 1(veth1) entered disabled state