[ 10.443064][ T239] 8021q: 802.1Q VLAN Support v1.8 [ 10.443083][ T239] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.443086][ T239] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 239, name: modprobe [ 10.443087][ T239] preempt_count: 1, expected: 0 [ 10.443088][ T239] RCU nest depth: 0, expected: 0 [ 10.443089][ T239] locks held by modprobe/239: 4, last CPU#2: [ 10.443091][ T239] #0: ffffffffb2969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.443104][ T239] #1: ffffffffb2969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.443108][ T239] #2: ffffffffb2889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.443112][ T239] #3: ffffffffb2889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.443117][ T239] irq event stamp: 28296 [ 10.443117][ T239] hardirqs last enabled at (28295): [] __down_trylock_console_sem+0x86/0xa0 [ 10.443120][ T239] hardirqs last disabled at (28296): [] console_emit_next_record+0x3d4/0x4c0 [ 10.443122][ T239] softirqs last enabled at (25122): [] handle_softirqs+0x67c/0x900 [ 10.443125][ T239] softirqs last disabled at (25115): [] __irq_exit_rcu+0x145/0x1c0 [ 10.443127][ T239] Preemption disabled at: [ 10.443128][ T239] [] vprintk_emit+0x31b/0x3e0 [ 10.443134][ T239] CPU: 2 UID: 0 PID: 239 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.443137][ T239] Tainted: [W]=WARN [ 10.443138][ T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.443140][ T239] Call Trace: [ 10.443142][ T239] [ 10.443143][ T239] dump_stack_lvl+0x6f/0xa0 [ 10.443149][ T239] ? vprintk_emit+0x31b/0x3e0 [ 10.443151][ T239] __might_resched.cold+0x1fe/0x2c1 [ 10.443156][ T239] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.443160][ T239] ? __kmalloc_noprof+0xdb/0x760 [ 10.443165][ T239] __kmalloc_noprof+0x443/0x760 [ 10.443168][ T239] ? alloc_buf.isra.0+0x4b/0x260 [ 10.443174][ T239] ? do_raw_spin_unlock+0x59/0x250 [ 10.443176][ T239] alloc_buf.isra.0+0x4b/0x260 [ 10.443179][ T239] put_chars+0x1e1/0x2f0 [ 10.443182][ T239] ? __send_to_port+0x420/0x420 [ 10.443184][ T239] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.443189][ T239] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.443191][ T239] ? validate_chain+0x38b/0xc20 [ 10.443195][ T239] hvc_console_print+0x292/0x780 [ 10.443198][ T239] ? __lock_acquire+0x518/0xc20 [ 10.443203][ T239] ? hvc_write+0x3a0/0x3a0 [ 10.443206][ T239] ? rcu_is_watching+0x16/0xd0 [ 10.443210][ T239] console_emit_next_record+0x22f/0x4c0 [ 10.443214][ T239] ? devkmsg_read+0x4b0/0x4b0 [ 10.443216][ T239] ? console_flush_one_record+0x106/0x710 [ 10.443219][ T239] ? rcu_is_watching+0x16/0xd0 [ 10.443222][ T239] ? lock_acquire+0x13c/0x160 [ 10.443226][ T239] console_flush_one_record+0x46f/0x710 [ 10.443230][ T239] ? console_emit_next_record+0x4c0/0x4c0 [ 10.443231][ T239] ? __lock_acquire+0x518/0xc20 [ 10.443236][ T239] console_unlock+0xee/0x1f0 [ 10.443239][ T239] ? console_flush_one_record+0x710/0x710 [ 10.443241][ T239] ? rcu_is_watching+0x16/0xd0 [ 10.443243][ T239] ? lock_acquire+0x60/0x160 [ 10.443247][ T239] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.443249][ T239] ? vprintk_emit+0x320/0x3e0 [ 10.443252][ T239] vprintk_emit+0x37c/0x3e0 [ 10.443256][ T239] ? wake_up_klogd_work_func+0x90/0x90 [ 10.443261][ T239] ? vlan_netlink_fini+0x960/0x960 [8021q] [ 10.443265][ T239] _printk+0xc7/0x100 [ 10.443269][ T239] ? snapshot_read.cold+0x21/0x21 [ 10.443275][ T239] ? do_one_initcall+0x113/0x4f0 [ 10.443278][ T239] vlan_proto_init+0x24/0x90 [8021q] [ 10.443281][ T239] do_one_initcall+0x124/0x4f0 [ 10.443284][ T239] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 10.443288][ T239] ? do_init_module+0xae/0x8a0 [ 10.443291][ T239] ? kasan_unpoison+0x44/0x70 [ 10.443296][ T239] do_init_module+0x2ad/0x8a0 [ 10.443300][ T239] ? lockdep_hardirqs_on+0x91/0x130 [ 10.443304][ T239] ? free_module+0x470/0x470 [ 10.443307][ T239] ? kfree+0x123/0x590 [ 10.443311][ T239] load_module+0x1424/0x1bb0 [ 10.443318][ T239] ? layout_and_allocate.isra.0+0x680/0x680 [ 10.443322][ T239] ? __ia32_sys_fsconfig+0x180/0x180 [ 10.443325][ T239] ? ovl_real_file+0x172/0x1e0 [ 10.443329][ T239] ? backing_file_read_iter+0x541/0x790 [ 10.443332][ T239] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.443336][ T239] init_module_from_file+0x11f/0x1a0 [ 10.443339][ T239] ? __do_sys_init_module+0x220/0x220 [ 10.443347][ T239] ? __rwlock_init+0x150/0x150 [ 10.443351][ T239] ? do_raw_spin_unlock+0x59/0x250 [ 10.443354][ T239] idempotent_init_module+0x37b/0x7c0 [ 10.443357][ T239] ? init_module_from_file+0x1a0/0x1a0 [ 10.443363][ T239] ? rcu_is_watching+0x16/0xd0 [ 10.443366][ T239] ? cap_capable+0x1d7/0x3d0 [ 10.443371][ T239] __x64_sys_finit_module+0xdf/0x190 [ 10.443373][ T239] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.443377][ T239] do_syscall_64+0xff/0x530 [ 10.443379][ T239] ? exc_page_fault+0xee/0x100 [ 10.443381][ T239] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.443384][ T239] RIP: 0033:0x7f9e9a2e537d [ 10.443387][ T239] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 10.443389][ T239] RSP: 002b:00007fff736394d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.443391][ T239] RAX: ffffffffffffffda RBX: 0000560cd60d9810 RCX: 00007f9e9a2e537d [ 10.443393][ T239] RDX: 0000000000000000 RSI: 0000560cbef6bffd RDI: 0000000000000000 [ 10.443394][ T239] RBP: 00007fff73639570 R08: 0000000000000000 R09: 0000000000000000 [ 10.443395][ T239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560cbef6bffd [ 10.443395][ T239] R13: 0000560cd60d9960 R14: 0000000000040000 R15: 0000000000000000 [ 10.443402][ T239] [ 11.580460][ T285] br1: port 1(vx100) entered blocking state [ 11.580577][ T285] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.580580][ T285] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 285, name: ip [ 11.580581][ T285] preempt_count: 1, expected: 0 [ 11.580582][ T285] RCU nest depth: 0, expected: 0 [ 11.580583][ T285] locks held by ip/285: 5, last CPU#0: [ 11.580586][ T285] #0: ffffffffb30d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 11.580597][ T285] #1: ffffffffb2969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.580604][ T285] #2: ffffffffb2969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.580608][ T285] #3: ffffffffb2889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.580612][ T285] #4: ffffffffb2889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.580616][ T285] irq event stamp: 20440 [ 11.580617][ T285] hardirqs last enabled at (20439): [] __down_trylock_console_sem+0x86/0xa0 [ 11.580620][ T285] hardirqs last disabled at (20440): [] console_emit_next_record+0x3d4/0x4c0 [ 11.580622][ T285] softirqs last enabled at (20352): [] __alloc_skb+0x4c2/0x5f0 [ 11.580626][ T285] softirqs last disabled at (20350): [] __alloc_skb+0x4c2/0x5f0 [ 11.580628][ T285] Preemption disabled at: [ 11.580629][ T285] [] vprintk_emit+0x31b/0x3e0 [ 11.580635][ T285] CPU: 0 UID: 0 PID: 285 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.580638][ T285] Tainted: [W]=WARN [ 11.580639][ T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.580641][ T285] Call Trace: [ 11.580642][ T285] [ 11.580644][ T285] dump_stack_lvl+0x6f/0xa0 [ 11.580650][ T285] ? vprintk_emit+0x31b/0x3e0 [ 11.580652][ T285] __might_resched.cold+0x1fe/0x2c1 [ 11.580657][ T285] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.580661][ T285] ? __kmalloc_noprof+0xdb/0x760 [ 11.580667][ T285] __kmalloc_noprof+0x443/0x760 [ 11.580669][ T285] ? alloc_buf.isra.0+0x4b/0x260 [ 11.580675][ T285] ? do_raw_spin_unlock+0x59/0x250 [ 11.580678][ T285] alloc_buf.isra.0+0x4b/0x260 [ 11.580681][ T285] put_chars+0x1e1/0x2f0 [ 11.580684][ T285] ? __send_to_port+0x420/0x420 [ 11.580689][ T285] ? validate_chain+0x34a/0xc20 [ 11.580692][ T285] hvc_console_print+0x292/0x780 [ 11.580695][ T285] ? mark_usage+0x61/0x170 [ 11.580697][ T285] ? __lock_acquire+0x518/0xc20 [ 11.580699][ T285] ? __lock_acquire+0x518/0xc20 [ 11.580703][ T285] ? hvc_write+0x3a0/0x3a0 [ 11.580706][ T285] ? console_emit_next_record+0x1df/0x4c0 [ 11.580709][ T285] ? rcu_is_watching+0x16/0xd0 [ 11.580713][ T285] ? lock_acquire+0x13c/0x160 [ 11.580717][ T285] console_emit_next_record+0x22f/0x4c0 [ 11.580721][ T285] ? devkmsg_read+0x4b0/0x4b0 [ 11.580723][ T285] ? console_flush_one_record+0x106/0x710 [ 11.580727][ T285] ? rcu_is_watching+0x16/0xd0 [ 11.580729][ T285] ? lock_acquire+0x13c/0x160 [ 11.580733][ T285] console_flush_one_record+0x46f/0x710 [ 11.580738][ T285] ? console_emit_next_record+0x4c0/0x4c0 [ 11.580739][ T285] ? __lock_acquire+0x518/0xc20 [ 11.580745][ T285] console_unlock+0xee/0x1f0 [ 11.580748][ T285] ? console_flush_one_record+0x710/0x710 [ 11.580750][ T285] ? rcu_is_watching+0x16/0xd0 [ 11.580752][ T285] ? lock_acquire+0x60/0x160 [ 11.580756][ T285] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.580758][ T285] ? vprintk_emit+0x320/0x3e0 [ 11.580762][ T285] vprintk_emit+0x37c/0x3e0 [ 11.580766][ T285] ? wake_up_klogd_work_func+0x90/0x90 [ 11.580768][ T285] ? __lock_release.isra.0+0x69/0x1a0 [ 11.580770][ T285] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.580775][ T285] ? mark_held_locks+0x40/0x70 [ 11.580779][ T285] _printk+0xc7/0x100 [ 11.580782][ T285] ? snapshot_read.cold+0x21/0x21 [ 11.580786][ T285] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 11.580799][ T285] ? do_setlink.isra.0+0xa31/0x2750 [ 11.580801][ T285] ? rtnl_newlink+0x9f1/0x11c0 [ 11.580802][ T285] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.580807][ T285] br_set_state+0x22f/0x430 [bridge] [ 11.580817][ T285] br_init_port+0xc4/0x200 [bridge] [ 11.580826][ T285] new_nbp+0x39c/0x580 [bridge] [ 11.580836][ T285] br_add_if+0x212/0x1320 [bridge] [ 11.580844][ T285] ? is_bpf_text_address+0x72/0x110 [ 11.580848][ T285] ? kernel_text_address+0x149/0x170 [ 11.580851][ T285] ? __kernel_text_address+0x12/0x30 [ 11.580855][ T285] do_set_master+0x357/0x580 [ 11.580860][ T285] do_setlink.isra.0+0xa31/0x2750 [ 11.580863][ T285] ? stack_trace_save+0x93/0xc0 [ 11.580867][ T285] ? rtnl_link_get_size+0x350/0x350 [ 11.580868][ T285] ? rcu_read_lock_any_held+0x66/0x90 [ 11.580873][ T285] ? stack_depot_save_flags+0x38e/0x790 [ 11.580877][ T285] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.580880][ T285] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.580882][ T285] ? validate_chain+0x38b/0xc20 [ 11.580885][ T285] ? kasan_save_stack+0x3d/0x50 [ 11.580888][ T285] ? kasan_save_stack+0x2f/0x50 [ 11.580890][ T285] ? kasan_save_track+0x14/0x30 [ 11.580892][ T285] ? __lock_acquire+0x518/0xc20 [ 11.580894][ T285] ? netlink_seq_next+0x4e/0x60 [ 11.580898][ T285] ? ___sys_sendmsg+0xb0/0x1d0 [ 11.580902][ T285] ? lock_acquire.part.0+0xd4/0x280 [ 11.580904][ T285] ? rtnl_newlink+0x9a8/0x11c0 [ 11.580907][ T285] ? rcu_is_watching+0x16/0xd0 [ 11.580910][ T285] ? lock_acquire+0x13c/0x160 [ 11.580911][ T285] ? rcu_is_watching+0x16/0xd0 [ 11.580913][ T285] ? rcu_is_watching+0x16/0xd0 [ 11.580916][ T285] ? trace_contention_end+0xb3/0x180 [ 11.580920][ T285] ? __mutex_lock+0x1db/0x1ea0 [ 11.580922][ T285] ? __mutex_lock+0x9a3/0x1ea0 [ 11.580924][ T285] ? rtnl_newlink+0x9a8/0x11c0 [ 11.580928][ T285] ? ww_mutex_lock+0x160/0x160 [ 11.580929][ T285] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.580935][ T285] ? __rtnl_newlink+0x3fa/0xa50 [ 11.580940][ T285] rtnl_newlink+0x9f1/0x11c0 [ 11.580946][ T285] ? rtnl_bridge_getlink+0x850/0x850 [ 11.580948][ T285] ? __lock_acquire+0x518/0xc20 [ 11.580952][ T285] ? lock_acquire.part.0+0xd4/0x280 [ 11.580954][ T285] ? find_held_lock+0x2b/0x80 [ 11.580956][ T285] ? rtnl_bridge_getlink+0x850/0x850 [ 11.580958][ T285] ? __lock_release.isra.0+0x69/0x1a0 [ 11.580962][ T285] ? rtnl_bridge_getlink+0x850/0x850 [ 11.580964][ T285] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.580967][ T285] ? rtnl_link_fill+0x920/0x920 [ 11.580969][ T285] ? __lock_acquire+0x518/0xc20 [ 11.580974][ T285] ? lock_acquire.part.0+0xd4/0x280 [ 11.580976][ T285] ? find_held_lock+0x2b/0x80 [ 11.580979][ T285] netlink_rcv_skb+0x14e/0x3a0 [ 11.580981][ T285] ? rtnl_link_fill+0x920/0x920 [ 11.580984][ T285] ? netlink_ack+0xcf0/0xcf0 [ 11.580991][ T285] ? netlink_deliver_tap+0xc5/0x330 [ 11.580992][ T285] ? netlink_deliver_tap+0x13c/0x330 [ 11.580997][ T285] netlink_unicast+0x486/0x750 [ 11.581000][ T285] ? netlink_attachskb+0x810/0x810 [ 11.581003][ T285] ? __lock_acquire+0x518/0xc20 [ 11.581007][ T285] netlink_sendmsg+0x735/0xc60 [ 11.581011][ T285] ? netlink_unicast+0x750/0x750 [ 11.581015][ T285] ? __might_fault+0x97/0x140 [ 11.581021][ T285] ____sys_sendmsg+0x415/0x880 [ 11.581024][ T285] ? copy_msghdr_from_user+0x279/0x420 [ 11.581026][ T285] ? get_timestamp.constprop.0+0x390/0x390 [ 11.581028][ T285] ? move_addr_to_kernel+0x40/0x40 [ 11.581035][ T285] ___sys_sendmsg+0x14e/0x1d0 [ 11.581038][ T285] ? copy_msghdr_from_user+0x420/0x420 [ 11.581054][ T285] __sys_sendmsg+0x12c/0x1d0 [ 11.581057][ T285] ? __sys_sendmsg_sock+0x20/0x20 [ 11.581064][ T285] ? rcu_is_watching+0x16/0xd0 [ 11.581067][ T285] do_syscall_64+0xff/0x530 [ 11.581070][ T285] ? exc_page_fault+0xee/0x100 [ 11.581073][ T285] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.581075][ T285] RIP: 0033:0x7f4252a6754e [ 11.581079][ T285] 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 [ 11.581081][ T285] RSP: 002b:00007ffdf19682d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.581084][ T285] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4252a6754e [ 11.581085][ T285] RDX: 0000000000000000 RSI: 00007ffdf1968380 RDI: 0000000000000005 [ 11.581086][ T285] RBP: 00007ffdf19682e0 R08: 0000000000000000 R09: 0000000000000000 [ 11.581087][ T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913994 [ 11.581088][ T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf1968a40 [ 11.581095][ T285] [ 11.621048][ T285] br1: port 1(vx100) entered disabled state [ 11.621437][ T285] vx100: entered allmulticast mode [ 11.630803][ T285] vx100: entered promiscuous mode [ 11.631379][ T285] br1: port 1(vx100) entered blocking state [ 11.631967][ T285] br1: port 1(vx100) entered forwarding state [ 11.639012][ T285] ip (285) used greatest stack depth: 23336 bytes left [ 11.695346][ T287] br1: port 2(veth1) entered blocking state [ 11.695680][ T287] br1: port 2(veth1) entered disabled state [ 11.695983][ T287] veth1: entered allmulticast mode [ 11.697691][ T287] veth1: entered promiscuous mode [ 11.723403][ T36] br1: port 2(veth1) entered blocking state [ 11.723836][ T36] br1: port 2(veth1) entered forwarding state [ 11.846082][ T293] br2: port 1(vx200) entered blocking state [ 11.846443][ T293] br2: port 1(vx200) entered disabled state [ 11.846755][ T293] vx200: entered allmulticast mode [ 11.848376][ T293] vx200: entered promiscuous mode [ 11.849745][ T293] br2: port 1(vx200) entered blocking state [ 11.850059][ T293] br2: port 1(vx200) entered forwarding state [ 11.947315][ T296] br2: port 2(veth2.20) entered blocking state [ 11.947705][ T296] br2: port 2(veth2.20) entered disabled state [ 11.948687][ T296] veth2.20: entered allmulticast mode [ 11.948928][ T296] veth2: entered allmulticast mode [ 11.956818][ T296] veth2.20: entered promiscuous mode [ 11.957090][ T296] veth2: entered promiscuous mode [ 11.992291][ T298] br2: port 2(veth2.20) entered blocking state [ 11.992665][ T298] br2: port 2(veth2.20) entered forwarding state [ 13.138589][ T342] br3: port 1(w1) entered blocking state [ 13.138606][ T342] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.138608][ T342] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 342, name: ip [ 13.138610][ T342] preempt_count: 1, expected: 0 [ 13.138611][ T342] RCU nest depth: 0, expected: 0 [ 13.138612][ T342] locks held by ip/342: 5, last CPU#3: [ 13.138614][ T342] #0: ffffffffb30d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 13.138626][ T342] #1: ffffffffb2969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.138632][ T342] #2: ffffffffb2969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.138636][ T342] #3: ffffffffb2889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.138641][ T342] #4: ffffffffb2889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.138645][ T342] irq event stamp: 11028 [ 13.138646][ T342] hardirqs last enabled at (11027): [] __down_trylock_console_sem+0x86/0xa0 [ 13.138648][ T342] hardirqs last disabled at (11028): [] console_emit_next_record+0x3d4/0x4c0 [ 13.138650][ T342] softirqs last enabled at (10970): [] __alloc_skb+0x4c2/0x5f0 [ 13.138654][ T342] softirqs last disabled at (10968): [] __alloc_skb+0x4c2/0x5f0 [ 13.138656][ T342] Preemption disabled at: [ 13.138657][ T342] [] vprintk_emit+0x31b/0x3e0 [ 13.138663][ T342] CPU: 3 UID: 0 PID: 342 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.138667][ T342] Tainted: [W]=WARN [ 13.138668][ T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.138669][ T342] Call Trace: [ 13.138671][ T342] [ 13.138673][ T342] dump_stack_lvl+0x6f/0xa0 [ 13.138679][ T342] ? vprintk_emit+0x31b/0x3e0 [ 13.138681][ T342] __might_resched.cold+0x1fe/0x2c1 [ 13.138686][ T342] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.138690][ T342] ? __kmalloc_noprof+0xdb/0x760 [ 13.138696][ T342] __kmalloc_noprof+0x443/0x760 [ 13.138698][ T342] ? alloc_buf.isra.0+0x4b/0x260 [ 13.138704][ T342] ? do_raw_spin_unlock+0x59/0x250 [ 13.138707][ T342] alloc_buf.isra.0+0x4b/0x260 [ 13.138711][ T342] put_chars+0x1e1/0x2f0 [ 13.138713][ T342] ? prb_final_commit+0x50/0x50 [ 13.138715][ T342] ? __send_to_port+0x420/0x420 [ 13.138718][ T342] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.138723][ T342] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.138726][ T342] ? validate_chain+0x38b/0xc20 [ 13.138730][ T342] hvc_console_print+0x292/0x780 [ 13.138733][ T342] ? mark_usage+0x61/0x170 [ 13.138735][ T342] ? __lock_acquire+0x518/0xc20 [ 13.138736][ T342] ? __lock_acquire+0x518/0xc20 [ 13.138741][ T342] ? hvc_write+0x3a0/0x3a0 [ 13.138743][ T342] ? console_emit_next_record+0x1df/0x4c0 [ 13.138746][ T342] ? rcu_is_watching+0x16/0xd0 [ 13.138749][ T342] ? lock_acquire+0x13c/0x160 [ 13.138753][ T342] console_emit_next_record+0x22f/0x4c0 [ 13.138757][ T342] ? devkmsg_read+0x4b0/0x4b0 [ 13.138759][ T342] ? console_flush_one_record+0x106/0x710 [ 13.138763][ T342] ? rcu_is_watching+0x16/0xd0 [ 13.138765][ T342] ? lock_acquire+0x13c/0x160 [ 13.138770][ T342] console_flush_one_record+0x46f/0x710 [ 13.138774][ T342] ? console_emit_next_record+0x4c0/0x4c0 [ 13.138776][ T342] ? __lock_acquire+0x518/0xc20 [ 13.138782][ T342] console_unlock+0xee/0x1f0 [ 13.138785][ T342] ? console_flush_one_record+0x710/0x710 [ 13.138787][ T342] ? rcu_is_watching+0x16/0xd0 [ 13.138789][ T342] ? lock_acquire+0x60/0x160 [ 13.138793][ T342] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.138795][ T342] ? vprintk_emit+0x320/0x3e0 [ 13.138799][ T342] vprintk_emit+0x37c/0x3e0 [ 13.138803][ T342] ? wake_up_klogd_work_func+0x90/0x90 [ 13.138806][ T342] ? __lock_release.isra.0+0x69/0x1a0 [ 13.138809][ T342] ? mark_held_locks+0x40/0x70 [ 13.138812][ T342] _printk+0xc7/0x100 [ 13.138817][ T342] ? snapshot_read.cold+0x21/0x21 [ 13.138821][ T342] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 13.138834][ T342] ? do_setlink.isra.0+0xa31/0x2750 [ 13.138836][ T342] ? rtnl_newlink+0x9f1/0x11c0 [ 13.138837][ T342] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.138842][ T342] br_set_state+0x22f/0x430 [bridge] [ 13.138852][ T342] br_init_port+0xc4/0x200 [bridge] [ 13.138861][ T342] new_nbp+0x39c/0x580 [bridge] [ 13.138872][ T342] br_add_if+0x212/0x1320 [bridge] [ 13.138880][ T342] ? is_bpf_text_address+0x72/0x110 [ 13.138884][ T342] ? kernel_text_address+0x149/0x170 [ 13.138887][ T342] ? __kernel_text_address+0x12/0x30 [ 13.138891][ T342] do_set_master+0x357/0x580 [ 13.138896][ T342] do_setlink.isra.0+0xa31/0x2750 [ 13.138899][ T342] ? stack_trace_save+0x93/0xc0 [ 13.138903][ T342] ? rtnl_link_get_size+0x350/0x350 [ 13.138904][ T342] ? rcu_read_lock_any_held+0x66/0x90 [ 13.138906][ T342] ? stack_depot_save_flags+0x38e/0x790 [ 13.138910][ T342] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.138913][ T342] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.138915][ T342] ? validate_chain+0x38b/0xc20 [ 13.138918][ T342] ? kasan_save_stack+0x3d/0x50 [ 13.138921][ T342] ? kasan_save_stack+0x2f/0x50 [ 13.138923][ T342] ? kasan_save_track+0x14/0x30 [ 13.138926][ T342] ? __lock_acquire+0x518/0xc20 [ 13.138928][ T342] ? netlink_seq_next+0x4e/0x60 [ 13.138931][ T342] ? ___sys_sendmsg+0xb0/0x1d0 [ 13.138936][ T342] ? lock_acquire.part.0+0xd4/0x280 [ 13.138938][ T342] ? rtnl_newlink+0x9a8/0x11c0 [ 13.138941][ T342] ? rcu_is_watching+0x16/0xd0 [ 13.138943][ T342] ? lock_acquire+0x13c/0x160 [ 13.138945][ T342] ? rcu_is_watching+0x16/0xd0 [ 13.138947][ T342] ? rcu_is_watching+0x16/0xd0 [ 13.138950][ T342] ? trace_contention_end+0xb3/0x180 [ 13.138953][ T342] ? __mutex_lock+0x1db/0x1ea0 [ 13.138957][ T342] ? __mutex_lock+0x9a3/0x1ea0 [ 13.138959][ T342] ? rtnl_newlink+0x9a8/0x11c0 [ 13.138963][ T342] ? ww_mutex_lock+0x160/0x160 [ 13.138965][ T342] ? nla_get_range_signed+0x3d0/0x3d0 [ 13.138970][ T342] ? __rtnl_newlink+0x3fa/0xa50 [ 13.138975][ T342] rtnl_newlink+0x9f1/0x11c0 [ 13.138981][ T342] ? rtnl_bridge_getlink+0x850/0x850 [ 13.138983][ T342] ? __lock_acquire+0x518/0xc20 [ 13.138987][ T342] ? lock_acquire.part.0+0xd4/0x280 [ 13.138989][ T342] ? find_held_lock+0x2b/0x80 [ 13.138992][ T342] ? rtnl_bridge_getlink+0x850/0x850 [ 13.138994][ T342] ? __lock_release.isra.0+0x69/0x1a0 [ 13.138997][ T342] ? rtnl_bridge_getlink+0x850/0x850 [ 13.139000][ T342] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.139003][ T342] ? rtnl_link_fill+0x920/0x920 [ 13.139004][ T342] ? __lock_acquire+0x518/0xc20 [ 13.139009][ T342] ? lock_acquire.part.0+0xd4/0x280 [ 13.139011][ T342] ? find_held_lock+0x2b/0x80 [ 13.139015][ T342] netlink_rcv_skb+0x14e/0x3a0 [ 13.139017][ T342] ? rtnl_link_fill+0x920/0x920 [ 13.139020][ T342] ? netlink_ack+0xcf0/0xcf0 [ 13.139026][ T342] ? netlink_deliver_tap+0xc5/0x330 [ 13.139028][ T342] ? netlink_deliver_tap+0x13c/0x330 [ 13.139032][ T342] netlink_unicast+0x486/0x750 [ 13.139036][ T342] ? netlink_attachskb+0x810/0x810 [ 13.139039][ T342] ? __lock_acquire+0x518/0xc20 [ 13.139043][ T342] netlink_sendmsg+0x735/0xc60 [ 13.139047][ T342] ? netlink_unicast+0x750/0x750 [ 13.139051][ T342] ? __might_fault+0x97/0x140 [ 13.139057][ T342] ____sys_sendmsg+0x415/0x880 [ 13.139060][ T342] ? copy_msghdr_from_user+0x279/0x420 [ 13.139062][ T342] ? get_timestamp.constprop.0+0x390/0x390 [ 13.139064][ T342] ? move_addr_to_kernel+0x40/0x40 [ 13.139072][ T342] ___sys_sendmsg+0x14e/0x1d0 [ 13.139074][ T342] ? copy_msghdr_from_user+0x420/0x420 [ 13.139090][ T342] __sys_sendmsg+0x12c/0x1d0 [ 13.139093][ T342] ? __sys_sendmsg_sock+0x20/0x20 [ 13.139100][ T342] ? rcu_is_watching+0x16/0xd0 [ 13.139104][ T342] do_syscall_64+0xff/0x530 [ 13.139106][ T342] ? exc_page_fault+0xee/0x100 [ 13.139109][ T342] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.139112][ T342] RIP: 0033:0x7f5fe6ab954e [ 13.139115][ T342] 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 [ 13.139117][ T342] RSP: 002b:00007ffd3318bf50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.139120][ T342] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5fe6ab954e [ 13.139121][ T342] RDX: 0000000000000000 RSI: 00007ffd3318c000 RDI: 0000000000000005 [ 13.139122][ T342] RBP: 00007ffd3318bf60 R08: 0000000000000000 R09: 0000000000000000 [ 13.139123][ T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913995 [ 13.139124][ T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3318c6c0 [ 13.139131][ T342] [ 13.179937][ T342] br3: port 1(w1) entered disabled state [ 13.180261][ T342] w1: entered allmulticast mode [ 13.181763][ T342] w1: entered promiscuous mode [ 13.217745][ T343] br3: port 1(w1) entered blocking state [ 13.218104][ T343] br3: port 1(w1) entered forwarding state [ 13.375956][ T348] br3: port 2(vx100) entered blocking state [ 13.376286][ T348] br3: port 2(vx100) entered disabled state [ 13.376582][ T348] vx100: entered allmulticast mode [ 13.378565][ T348] vx100: entered promiscuous mode [ 13.379232][ T348] br3: port 2(vx100) entered blocking state [ 13.379527][ T348] br3: port 2(vx100) entered forwarding state [ 13.397192][ T36] br3: port 1(w1) entered disabled state [ 13.564995][ T36] br3: port 1(w1) entered blocking state [ 13.565305][ T36] br3: port 1(w1) entered forwarding state [ 14.361463][ T395] br3: port 1(w1) entered blocking state [ 14.361480][ T395] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.361482][ T395] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 395, name: ip [ 14.361484][ T395] preempt_count: 1, expected: 0 [ 14.361484][ T395] RCU nest depth: 0, expected: 0 [ 14.361485][ T395] locks held by ip/395: 5, last CPU#2: [ 14.361488][ T395] #0: ffffffffb30d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 14.361499][ T395] #1: ffffffffb2969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.361505][ T395] #2: ffffffffb2969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.361509][ T395] #3: ffffffffb2889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.361513][ T395] #4: ffffffffb2889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.361517][ T395] irq event stamp: 19272 [ 14.361518][ T395] hardirqs last enabled at (19271): [] __down_trylock_console_sem+0x86/0xa0 [ 14.361521][ T395] hardirqs last disabled at (19272): [] console_emit_next_record+0x3d4/0x4c0 [ 14.361523][ T395] softirqs last enabled at (19214): [] __alloc_skb+0x4c2/0x5f0 [ 14.361526][ T395] softirqs last disabled at (19212): [] __alloc_skb+0x4c2/0x5f0 [ 14.361529][ T395] Preemption disabled at: [ 14.361529][ T395] [] vprintk_emit+0x31b/0x3e0 [ 14.361535][ T395] CPU: 2 UID: 0 PID: 395 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.361539][ T395] Tainted: [W]=WARN [ 14.361539][ T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.361541][ T395] Call Trace: [ 14.361543][ T395] [ 14.361545][ T395] dump_stack_lvl+0x6f/0xa0 [ 14.361550][ T395] ? vprintk_emit+0x31b/0x3e0 [ 14.361553][ T395] __might_resched.cold+0x1fe/0x2c1 [ 14.361557][ T395] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.361561][ T395] ? __kmalloc_noprof+0xdb/0x760 [ 14.361567][ T395] __kmalloc_noprof+0x443/0x760 [ 14.361569][ T395] ? alloc_buf.isra.0+0x4b/0x260 [ 14.361575][ T395] ? do_raw_spin_unlock+0x59/0x250 [ 14.361578][ T395] alloc_buf.isra.0+0x4b/0x260 [ 14.361581][ T395] put_chars+0x1e1/0x2f0 [ 14.361583][ T395] ? prb_final_commit+0x50/0x50 [ 14.361585][ T395] ? __send_to_port+0x420/0x420 [ 14.361589][ T395] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.361593][ T395] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.361595][ T395] ? validate_chain+0x38b/0xc20 [ 14.361599][ T395] hvc_console_print+0x292/0x780 [ 14.361602][ T395] ? mark_usage+0x61/0x170 [ 14.361604][ T395] ? __lock_acquire+0x518/0xc20 [ 14.361605][ T395] ? __lock_acquire+0x518/0xc20 [ 14.361609][ T395] ? hvc_write+0x3a0/0x3a0 [ 14.361612][ T395] ? console_emit_next_record+0x1df/0x4c0 [ 14.361615][ T395] ? rcu_is_watching+0x16/0xd0 [ 14.361617][ T395] ? lock_acquire+0x13c/0x160 [ 14.361621][ T395] console_emit_next_record+0x22f/0x4c0 [ 14.361625][ T395] ? devkmsg_read+0x4b0/0x4b0 [ 14.361627][ T395] ? console_flush_one_record+0x106/0x710 [ 14.361630][ T395] ? rcu_is_watching+0x16/0xd0 [ 14.361633][ T395] ? lock_acquire+0x13c/0x160 [ 14.361637][ T395] console_flush_one_record+0x46f/0x710 [ 14.361641][ T395] ? console_emit_next_record+0x4c0/0x4c0 [ 14.361643][ T395] ? __lock_acquire+0x518/0xc20 [ 14.361648][ T395] console_unlock+0xee/0x1f0 [ 14.361651][ T395] ? console_flush_one_record+0x710/0x710 [ 14.361653][ T395] ? rcu_is_watching+0x16/0xd0 [ 14.361655][ T395] ? lock_acquire+0x60/0x160 [ 14.361659][ T395] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.361661][ T395] ? vprintk_emit+0x320/0x3e0 [ 14.361664][ T395] vprintk_emit+0x37c/0x3e0 [ 14.361668][ T395] ? wake_up_klogd_work_func+0x90/0x90 [ 14.361671][ T395] ? __lock_release.isra.0+0x69/0x1a0 [ 14.361673][ T395] ? mark_held_locks+0x40/0x70 [ 14.361677][ T395] _printk+0xc7/0x100 [ 14.361681][ T395] ? snapshot_read.cold+0x21/0x21 [ 14.361685][ T395] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 14.361697][ T395] ? do_setlink.isra.0+0xa31/0x2750 [ 14.361699][ T395] ? rtnl_newlink+0x9f1/0x11c0 [ 14.361700][ T395] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 14.361704][ T395] br_set_state+0x22f/0x430 [bridge] [ 14.361714][ T395] br_init_port+0xc4/0x200 [bridge] [ 14.361723][ T395] new_nbp+0x39c/0x580 [bridge] [ 14.361732][ T395] br_add_if+0x212/0x1320 [bridge] [ 14.361739][ T395] ? is_bpf_text_address+0x72/0x110 [ 14.361743][ T395] ? kernel_text_address+0x149/0x170 [ 14.361746][ T395] ? __kernel_text_address+0x12/0x30 [ 14.361750][ T395] do_set_master+0x357/0x580 [ 14.361755][ T395] do_setlink.isra.0+0xa31/0x2750 [ 14.361758][ T395] ? stack_trace_save+0x93/0xc0 [ 14.361761][ T395] ? rtnl_link_get_size+0x350/0x350 [ 14.361763][ T395] ? rcu_read_lock_any_held+0x66/0x90 [ 14.361764][ T395] ? stack_depot_save_flags+0x38e/0x790 [ 14.361768][ T395] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.361771][ T395] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.361773][ T395] ? validate_chain+0x38b/0xc20 [ 14.361775][ T395] ? kasan_save_stack+0x3d/0x50 [ 14.361778][ T395] ? kasan_save_stack+0x2f/0x50 [ 14.361780][ T395] ? kasan_save_track+0x14/0x30 [ 14.361783][ T395] ? __lock_acquire+0x518/0xc20 [ 14.361785][ T395] ? netlink_seq_next+0x4e/0x60 [ 14.361787][ T395] ? ___sys_sendmsg+0xb0/0x1d0 [ 14.361792][ T395] ? lock_acquire.part.0+0xd4/0x280 [ 14.361794][ T395] ? rtnl_newlink+0x9a8/0x11c0 [ 14.361796][ T395] ? rcu_is_watching+0x16/0xd0 [ 14.361799][ T395] ? lock_acquire+0x13c/0x160 [ 14.361801][ T395] ? rcu_is_watching+0x16/0xd0 [ 14.361802][ T395] ? rcu_is_watching+0x16/0xd0 [ 14.361805][ T395] ? trace_contention_end+0xb3/0x180 [ 14.361809][ T395] ? __mutex_lock+0x1db/0x1ea0 [ 14.361812][ T395] ? __mutex_lock+0x9a3/0x1ea0 [ 14.361814][ T395] ? rtnl_newlink+0x9a8/0x11c0 [ 14.361817][ T395] ? ww_mutex_lock+0x160/0x160 [ 14.361819][ T395] ? nla_get_range_signed+0x3d0/0x3d0 [ 14.361824][ T395] ? __rtnl_newlink+0x3fa/0xa50 [ 14.361829][ T395] rtnl_newlink+0x9f1/0x11c0 [ 14.361834][ T395] ? rtnl_bridge_getlink+0x850/0x850 [ 14.361836][ T395] ? __lock_acquire+0x518/0xc20 [ 14.361840][ T395] ? lock_acquire.part.0+0xd4/0x280 [ 14.361842][ T395] ? find_held_lock+0x2b/0x80 [ 14.361845][ T395] ? rtnl_bridge_getlink+0x850/0x850 [ 14.361846][ T395] ? __lock_release.isra.0+0x69/0x1a0 [ 14.361850][ T395] ? rtnl_bridge_getlink+0x850/0x850 [ 14.361852][ T395] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 14.361855][ T395] ? rtnl_link_fill+0x920/0x920 [ 14.361856][ T395] ? __lock_acquire+0x518/0xc20 [ 14.361861][ T395] ? lock_acquire.part.0+0xd4/0x280 [ 14.361863][ T395] ? find_held_lock+0x2b/0x80 [ 14.361866][ T395] netlink_rcv_skb+0x14e/0x3a0 [ 14.361868][ T395] ? rtnl_link_fill+0x920/0x920 [ 14.361873][ T395] ? netlink_ack+0xcf0/0xcf0 [ 14.361879][ T395] ? netlink_deliver_tap+0xc5/0x330 [ 14.361881][ T395] ? netlink_deliver_tap+0x13c/0x330 [ 14.361885][ T395] netlink_unicast+0x486/0x750 [ 14.361889][ T395] ? netlink_attachskb+0x810/0x810 [ 14.361892][ T395] ? __lock_acquire+0x518/0xc20 [ 14.361896][ T395] netlink_sendmsg+0x735/0xc60 [ 14.361900][ T395] ? netlink_unicast+0x750/0x750 [ 14.361903][ T395] ? __might_fault+0x97/0x140 [ 14.361909][ T395] ____sys_sendmsg+0x415/0x880 [ 14.361911][ T395] ? copy_msghdr_from_user+0x279/0x420 [ 14.361914][ T395] ? get_timestamp.constprop.0+0x390/0x390 [ 14.361915][ T395] ? move_addr_to_kernel+0x40/0x40 [ 14.361922][ T395] ___sys_sendmsg+0x14e/0x1d0 [ 14.361925][ T395] ? copy_msghdr_from_user+0x420/0x420 [ 14.361940][ T395] __sys_sendmsg+0x12c/0x1d0 [ 14.361943][ T395] ? __sys_sendmsg_sock+0x20/0x20 [ 14.361949][ T395] ? rcu_is_watching+0x16/0xd0 [ 14.361953][ T395] do_syscall_64+0xff/0x530 [ 14.361955][ T395] ? exc_page_fault+0xee/0x100 [ 14.361958][ T395] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.361961][ T395] RIP: 0033:0x7f60d474e54e [ 14.361964][ T395] 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 [ 14.361966][ T395] RSP: 002b:00007ffc9fc74e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.361969][ T395] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f60d474e54e [ 14.361970][ T395] RDX: 0000000000000000 RSI: 00007ffc9fc74ed0 RDI: 0000000000000005 [ 14.361971][ T395] RBP: 00007ffc9fc74e30 R08: 0000000000000000 R09: 0000000000000000 [ 14.361972][ T395] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913996 [ 14.361973][ T395] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9fc75590 [ 14.361979][ T395] [ 14.405012][ T395] br3: port 1(w1) entered disabled state [ 14.405363][ T395] w1: entered allmulticast mode [ 14.406918][ T395] w1: entered promiscuous mode [ 14.569668][ T401] br3: port 2(vx200) entered blocking state [ 14.570032][ T401] br3: port 2(vx200) entered disabled state [ 14.570369][ T401] vx200: entered allmulticast mode [ 14.572305][ T401] vx200: entered promiscuous mode [ 14.573277][ T401] br3: port 2(vx200) entered blocking state [ 14.573596][ T401] br3: port 2(vx200) entered forwarding state [ 14.766190][ T38] br3: port 1(w1) entered blocking state [ 14.766500][ T38] br3: port 1(w1) entered forwarding state [ 15.288558][ T440] br3: port 3(w1.20) entered blocking state [ 15.289449][ T440] br3: port 3(w1.20) entered disabled state [ 15.289744][ T440] w1.20: entered allmulticast mode [ 15.291228][ T440] w1.20: entered promiscuous mode [ 15.465188][ T453] br3: port 3(w1.20) entered blocking state [ 15.465203][ T453] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.465205][ T453] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 453, name: ip [ 15.465206][ T453] preempt_count: 202, expected: 0 [ 15.465207][ T453] RCU nest depth: 0, expected: 0 [ 15.465208][ T453] locks held by ip/453: 6, last CPU#2: [ 15.465210][ T453] #0: ffffffffb30d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 15.465222][ T453] #1: ff1100000d33ae58 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [bridge] [ 15.465237][ T453] #2: ffffffffb2969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.465243][ T453] #3: ffffffffb2969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.465246][ T453] #4: ffffffffb2889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.465250][ T453] #5: ffffffffb2889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.465254][ T453] irq event stamp: 20673 [ 15.465255][ T453] hardirqs last enabled at (20672): [] __down_trylock_console_sem+0x86/0xa0 [ 15.465258][ T453] hardirqs last disabled at (20673): [] console_emit_next_record+0x3d4/0x4c0 [ 15.465260][ T453] softirqs last enabled at (20634): [] inet6_fill_ifla6_attrs+0x1b3e/0x21e0 [ 15.465264][ T453] softirqs last disabled at (20668): [] br_device_event+0x5fd/0x8f0 [bridge] [ 15.465272][ T453] Preemption disabled at: [ 15.465272][ T453] [<0000000000000000>] 0x0 [ 15.465278][ T453] CPU: 2 UID: 0 PID: 453 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.465282][ T453] Tainted: [W]=WARN [ 15.465283][ T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.465284][ T453] Call Trace: [ 15.465286][ T453] [ 15.465288][ T453] dump_stack_lvl+0x6f/0xa0 [ 15.465294][ T453] __might_resched.cold+0x1fe/0x2c1 [ 15.465299][ T453] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.465303][ T453] ? __kmalloc_noprof+0xdb/0x760 [ 15.465309][ T453] __kmalloc_noprof+0x443/0x760 [ 15.465311][ T453] ? alloc_buf.isra.0+0x4b/0x260 [ 15.465317][ T453] ? do_raw_spin_unlock+0x59/0x250 [ 15.465319][ T453] alloc_buf.isra.0+0x4b/0x260 [ 15.465323][ T453] put_chars+0x1e1/0x2f0 [ 15.465325][ T453] ? prb_final_commit+0x50/0x50 [ 15.465327][ T453] ? __send_to_port+0x420/0x420 [ 15.465330][ T453] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.465334][ T453] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.465336][ T453] ? validate_chain+0x38b/0xc20 [ 15.465340][ T453] hvc_console_print+0x292/0x780 [ 15.465343][ T453] ? mark_usage+0x61/0x170 [ 15.465345][ T453] ? __lock_acquire+0x518/0xc20 [ 15.465347][ T453] ? __lock_acquire+0x518/0xc20 [ 15.465351][ T453] ? hvc_write+0x3a0/0x3a0 [ 15.465353][ T453] ? console_emit_next_record+0x1df/0x4c0 [ 15.465356][ T453] ? rcu_is_watching+0x16/0xd0 [ 15.465359][ T453] ? lock_acquire+0x13c/0x160 [ 15.465363][ T453] console_emit_next_record+0x22f/0x4c0 [ 15.465366][ T453] ? devkmsg_read+0x4b0/0x4b0 [ 15.465368][ T453] ? console_flush_one_record+0x106/0x710 [ 15.465371][ T453] ? rcu_is_watching+0x16/0xd0 [ 15.465374][ T453] ? lock_acquire+0x13c/0x160 [ 15.465378][ T453] console_flush_one_record+0x46f/0x710 [ 15.465382][ T453] ? console_emit_next_record+0x4c0/0x4c0 [ 15.465384][ T453] ? __lock_acquire+0x518/0xc20 [ 15.465389][ T453] console_unlock+0xee/0x1f0 [ 15.465392][ T453] ? console_flush_one_record+0x710/0x710 [ 15.465394][ T453] ? rcu_is_watching+0x16/0xd0 [ 15.465396][ T453] ? lock_acquire+0x60/0x160 [ 15.465400][ T453] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.465402][ T453] ? vprintk_emit+0x320/0x3e0 [ 15.465405][ T453] vprintk_emit+0x37c/0x3e0 [ 15.465409][ T453] ? wake_up_klogd_work_func+0x90/0x90 [ 15.465412][ T453] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.465415][ T453] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.465418][ T453] _printk+0xc7/0x100 [ 15.465422][ T453] ? snapshot_read.cold+0x21/0x21 [ 15.465428][ T453] ? lock_acquire.part.0+0xd4/0x280 [ 15.465436][ T453] br_set_state+0x22f/0x430 [bridge] [ 15.465446][ T453] br_init_port+0xc4/0x200 [bridge] [ 15.465455][ T453] br_stp_enable_port+0x12/0x50 [bridge] [ 15.465462][ T453] br_device_event+0x605/0x8f0 [bridge] [ 15.465470][ T453] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 15.465472][ T453] ? nlmsg_notify+0x62/0x250 [ 15.465479][ T453] notifier_call_chain+0xae/0x300 [ 15.465485][ T453] __dev_notify_flags+0x1b7/0x3c0 [ 15.465490][ T453] ? netif_change_name+0x8c0/0x8c0 [ 15.465494][ T453] ? netif_set_allmulti+0x250/0x250 [ 15.465496][ T453] ? kernel_text_address+0x149/0x170 [ 15.465499][ T453] ? __kernel_text_address+0x12/0x30 [ 15.465501][ T453] ? write_profile+0xf0/0xf0 [ 15.465503][ T453] ? unwind_get_return_address+0x67/0xd0 [ 15.465508][ T453] netif_change_flags+0xfe/0x190 [ 15.465512][ T453] do_setlink.isra.0+0x1cc3/0x2750 [ 15.465516][ T453] ? stack_trace_save+0x93/0xc0 [ 15.465518][ T453] ? rtnl_link_get_size+0x350/0x350 [ 15.465519][ T453] ? rcu_read_lock_any_held+0x66/0x90 [ 15.465521][ T453] ? stack_depot_save_flags+0x38e/0x790 [ 15.465525][ T453] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.465528][ T453] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.465530][ T453] ? validate_chain+0x38b/0xc20 [ 15.465532][ T453] ? kasan_save_stack+0x3d/0x50 [ 15.465536][ T453] ? kasan_save_stack+0x2f/0x50 [ 15.465537][ T453] ? kasan_save_track+0x14/0x30 [ 15.465540][ T453] ? __lock_acquire+0x518/0xc20 [ 15.465542][ T453] ? netlink_seq_next+0x4e/0x60 [ 15.465544][ T453] ? ___sys_sendmsg+0xb0/0x1d0 [ 15.465549][ T453] ? lock_acquire.part.0+0xd4/0x280 [ 15.465551][ T453] ? rtnl_newlink+0x9a8/0x11c0 [ 15.465553][ T453] ? rcu_is_watching+0x16/0xd0 [ 15.465556][ T453] ? lock_acquire+0x13c/0x160 [ 15.465557][ T453] ? rcu_is_watching+0x16/0xd0 [ 15.465559][ T453] ? rcu_is_watching+0x16/0xd0 [ 15.465562][ T453] ? trace_contention_end+0xb3/0x180 [ 15.465566][ T453] ? __mutex_lock+0x1db/0x1ea0 [ 15.465569][ T453] ? __mutex_lock+0x9a3/0x1ea0 [ 15.465571][ T453] ? rtnl_newlink+0x9a8/0x11c0 [ 15.465574][ T453] ? ww_mutex_lock+0x160/0x160 [ 15.465579][ T453] ? __rtnl_newlink+0x3fa/0xa50 [ 15.465584][ T453] rtnl_newlink+0x9f1/0x11c0 [ 15.465590][ T453] ? rtnl_bridge_getlink+0x850/0x850 [ 15.465592][ T453] ? __lock_acquire+0x518/0xc20 [ 15.465596][ T453] ? lock_acquire.part.0+0xd4/0x280 [ 15.465598][ T453] ? find_held_lock+0x2b/0x80 [ 15.465601][ T453] ? rtnl_bridge_getlink+0x850/0x850 [ 15.465603][ T453] ? __lock_release.isra.0+0x69/0x1a0 [ 15.465606][ T453] ? rtnl_bridge_getlink+0x850/0x850 [ 15.465608][ T453] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.465612][ T453] ? rtnl_link_fill+0x920/0x920 [ 15.465613][ T453] ? __lock_acquire+0x518/0xc20 [ 15.465618][ T453] ? lock_acquire.part.0+0xd4/0x280 [ 15.465620][ T453] ? find_held_lock+0x2b/0x80 [ 15.465623][ T453] netlink_rcv_skb+0x14e/0x3a0 [ 15.465625][ T453] ? rtnl_link_fill+0x920/0x920 [ 15.465628][ T453] ? netlink_ack+0xcf0/0xcf0 [ 15.465634][ T453] ? netlink_deliver_tap+0xc5/0x330 [ 15.465635][ T453] ? netlink_deliver_tap+0x13c/0x330 [ 15.465640][ T453] netlink_unicast+0x486/0x750 [ 15.465644][ T453] ? netlink_attachskb+0x810/0x810 [ 15.465646][ T453] ? __lock_acquire+0x518/0xc20 [ 15.465650][ T453] netlink_sendmsg+0x735/0xc60 [ 15.465654][ T453] ? netlink_unicast+0x750/0x750 [ 15.465658][ T453] ? __might_fault+0x97/0x140 [ 15.465664][ T453] ____sys_sendmsg+0x415/0x880 [ 15.465666][ T453] ? copy_msghdr_from_user+0x279/0x420 [ 15.465668][ T453] ? get_timestamp.constprop.0+0x390/0x390 [ 15.465670][ T453] ? move_addr_to_kernel+0x40/0x40 [ 15.465677][ T453] ___sys_sendmsg+0x14e/0x1d0 [ 15.465680][ T453] ? copy_msghdr_from_user+0x420/0x420 [ 15.465696][ T453] __sys_sendmsg+0x12c/0x1d0 [ 15.465699][ T453] ? __sys_sendmsg_sock+0x20/0x20 [ 15.465705][ T453] ? rcu_is_watching+0x16/0xd0 [ 15.465709][ T453] do_syscall_64+0xff/0x530 [ 15.465711][ T453] ? exc_page_fault+0xee/0x100 [ 15.465714][ T453] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.465717][ T453] RIP: 0033:0x7fee9cc4854e [ 15.465719][ T453] 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 [ 15.465721][ T453] RSP: 002b:00007ffc75ba6600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.465724][ T453] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fee9cc4854e [ 15.465725][ T453] RDX: 0000000000000000 RSI: 00007ffc75ba66b0 RDI: 0000000000000005 [ 15.465726][ T453] RBP: 00007ffc75ba6610 R08: 0000000000000000 R09: 0000000000000000 [ 15.465727][ T453] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913997 [ 15.465727][ T453] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc75ba6d70 [ 15.465734][ T453] [ 15.517756][ T453] br3: port 3(w1.20) entered forwarding state [ 15.530243][ T453] ip (453) used greatest stack depth: 23016 bytes left [ 15.540366][ C3] IPv6: w2.20: IPv6 duplicate address fe80::e4a8:c5ff:fefb:66af used by e6:a8:c5:fb:66:af detected! [ 15.540396][ C3] [ 15.540397][ C3] ======================================================== [ 15.540398][ C3] WARNING: possible irq lock inversion dependency detected [ 15.540399][ C3] 7.2.0-virtme #1 Tainted: G W [ 15.540400][ C3] -------------------------------------------------------- [ 15.540401][ C3] kworker/u16:1/68 just changed the state of lock: [ 15.540402][ C3] ffffffffb2889660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.540411][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 15.540412][ C3] (fs_reclaim){+.+.}-{0:0} [ 15.540414][ C3] [ 15.540414][ C3] [ 15.540414][ C3] and interrupts could create inverse lock ordering between them. [ 15.540414][ C3] [ 15.540414][ C3] [ 15.540414][ C3] other info that might help us debug this: [ 15.540415][ C3] Possible interrupt unsafe locking scenario: [ 15.540415][ C3] [ 15.540416][ C3] CPU0 CPU1 [ 15.540416][ C3] ---- ---- [ 15.540416][ C3] lock(fs_reclaim); [ 15.540418][ C3] local_irq_disable(); [ 15.540418][ C3] lock(console_owner); [ 15.540419][ C3] lock(fs_reclaim); [ 15.540420][ C3] [ 15.540420][ C3] lock(console_owner); [ 15.540421][ C3] [ 15.540421][ C3] *** DEADLOCK *** [ 15.540421][ C3] [ 15.540421][ C3] locks held by kworker/u16:1/68: 10, last CPU#3: [ 15.540422][ C3] #0: ff110000085a7140 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 15.540427][ C3] #1: ffa0000000497d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 15.540437][ C3] #2: ffffffffb30d2c40 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 15.540443][ C3] #3: ffffffffb2980b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 15.540447][ C3] #4: ffffffffb2980b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 15.540450][ C3] #5: ffffffffb2980b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 15.540454][ C3] #6: ffffffffb2980b00 (rcu_read_lock){....}-{1:3}, at: ip6_input+0xa1/0x570 [ 15.540457][ C3] #7: ff1100000e6eb240 (&ifa->lock){+.-.}-{3:3}, at: addrconf_dad_failure+0x103/0x820 [ 15.540460][ C3] #8: ffffffffb2969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.540463][ C3] #9: ffffffffb2969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.540466][ C3] [ 15.540466][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 15.540471][ C3] -> (fs_reclaim){+.+.}-{0:0} { [ 15.540473][ C3] HARDIRQ-ON-W at: [ 15.540474][ C3] __lock_acquire+0x388/0xc20 [ 15.540477][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.540478][ C3] fs_reclaim_acquire+0xd5/0x120 [ 15.540481][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 15.540484][ C3] kthread_create_worker_on_node+0xea/0x210 [ 15.540485][ C3] workqueue_init+0x2a/0x680 [ 15.540489][ C3] kernel_init_freeable+0x2fe/0x630 [ 15.540491][ C3] kernel_init+0x21/0x150 [ 15.540493][ C3] ret_from_fork+0x474/0x6b0 [ 15.540496][ C3] ret_from_fork_asm+0x11/0x20 [ 15.540499][ C3] SOFTIRQ-ON-W at: [ 15.540500][ C3] __lock_acquire+0x388/0xc20 [ 15.540501][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.540502][ C3] fs_reclaim_acquire+0xd5/0x120 [ 15.540503][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 15.540505][ C3] kthread_create_worker_on_node+0xea/0x210 [ 15.540506][ C3] workqueue_init+0x2a/0x680 [ 15.540507][ C3] kernel_init_freeable+0x2fe/0x630 [ 15.540508][ C3] kernel_init+0x21/0x150 [ 15.540510][ C3] ret_from_fork+0x474/0x6b0 [ 15.540511][ C3] ret_from_fork_asm+0x11/0x20 [ 15.540512][ C3] INITIAL USE at: [ 15.540513][ C3] __lock_acquire+0x388/0xc20 [ 15.540514][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.540515][ C3] fs_reclaim_acquire+0xd5/0x120 [ 15.540516][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 15.540518][ C3] kthread_create_worker_on_node+0xea/0x210 [ 15.540519][ C3] workqueue_init+0x2a/0x680 [ 15.540520][ C3] kernel_init_freeable+0x2fe/0x630 [ 15.540521][ C3] kernel_init+0x21/0x150 [ 15.540523][ C3] ret_from_fork+0x474/0x6b0 [ 15.540524][ C3] ret_from_fork_asm+0x11/0x20 [ 15.540525][ C3] } [ 15.540525][ C3] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 15.540530][ C3] ... acquired at: [ 15.540531][ C3] __lock_acquire+0x518/0xc20 [ 15.540532][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.540533][ C3] fs_reclaim_acquire+0xd5/0x120 [ 15.540534][ C3] __kmalloc_noprof+0xd3/0x760 [ 15.540536][ C3] alloc_buf.isra.0+0x4b/0x260 [ 15.540539][ C3] put_chars+0x1e1/0x2f0 [ 15.540540][ C3] hvc_console_print+0x292/0x780 [ 15.540542][ C3] console_emit_next_record+0x22f/0x4c0 [ 15.540543][ C3] console_flush_one_record+0x46f/0x710 [ 15.540545][ C3] console_unlock+0xee/0x1f0 [ 15.540546][ C3] vprintk_emit+0x37c/0x3e0 [ 15.540548][ C3] _printk+0xc7/0x100 [ 15.540551][ C3] seg6_init+0x48/0x50 [ 15.540553][ C3] inet6_init+0x2d8/0x3e0 [ 15.540555][ C3] do_one_initcall+0x124/0x4f0 [ 15.540557][ C3] kernel_init_freeable+0x596/0x630 [ 15.540558][ C3] kernel_init+0x21/0x150 [ 15.540559][ C3] ret_from_fork+0x474/0x6b0 [ 15.540560][ C3] ret_from_fork_asm+0x11/0x20 [ 15.540561][ C3] [ 15.540562][ C3] -> (console_owner){..-.}-{0:0} { [ 15.540564][ C3] IN-SOFTIRQ-W at: [ 15.540564][ C3] __lock_acquire+0x388/0xc20 [ 15.540566][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.540567][ C3] console_lock_spinning_enable+0x5c/0x60 [ 15.540568][ C3] console_emit_next_record+0x1d1/0x4c0 [ 15.540570][ C3] console_flush_one_record+0x46f/0x710 [ 15.540571][ C3] console_unlock+0xee/0x1f0 [ 15.540573][ C3] vprintk_emit+0x37c/0x3e0 [ 15.540574][ C3] _printk+0xc7/0x100 [ 15.540576][ C3] addrconf_dad_failure.cold+0xfa/0x186 [ 15.540578][ C3] ndisc_recv_ns+0x713/0x1360 [ 15.540579][ C3] icmpv6_rcv+0x12c3/0x17d0 [ 15.540581][ C3] ip6_protocol_deliver_rcu+0x15c/0x1480 [ 15.540582][ C3] ip6_input_finish+0x196/0x590 [ 15.540583][ C3] ip6_input+0x130/0x570 [ 15.540585][ C3] ip6_mc_input+0x429/0xce0 [ 15.540586][ C3] ipv6_rcv+0x3c1/0x5a0 [ 15.540587][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 15.540589][ C3] process_backlog+0x431/0x14c0 [ 15.540590][ C3] __napi_poll+0xa7/0x3b0 [ 15.540592][ C3] net_rx_action+0x513/0xf50 [ 15.540593][ C3] handle_softirqs+0x1d3/0x900 [ 15.540595][ C3] do_softirq+0xac/0xe0 [ 15.540597][ C3] __local_bh_enable_ip+0x118/0x150 [ 15.540598][ C3] __dev_queue_xmit+0x979/0x1b80 [ 15.540600][ C3] ip6_finish_output2+0x423/0x1300 [ 15.540601][ C3] ip6_finish_output+0x646/0xda0 [ 15.540602][ C3] ip6_output+0x23f/0x7f0 [ 15.540604][ C3] ndisc_send_skb+0xba3/0x1520 [ 15.540605][ C3] ndisc_send_ns+0xa9/0x120 [ 15.540606][ C3] addrconf_dad_work+0x6c2/0x930 [ 15.540608][ C3] process_one_work+0xe3e/0x1560 [ 15.540609][ C3] worker_thread+0x4f1/0xd60 [ 15.540611][ C3] kthread+0x367/0x460 [ 15.540612][ C3] ret_from_fork+0x474/0x6b0 [ 15.540613][ C3] ret_from_fork_asm+0x11/0x20 [ 15.540614][ C3] INITIAL USE at: [ 15.540615][ C3] } [ 15.540615][ C3] ... key at: [] console_owner_dep_map+0x0/0x60 [ 15.540618][ C3] ... acquired at: [ 15.540618][ C3] mark_lock+0x1d7/0xa00 [ 15.540620][ C3] mark_usage+0x42/0x170 [ 15.540621][ C3] __lock_acquire+0x388/0xc20 [ 15.540622][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.540623][ C3] console_lock_spinning_enable+0x5c/0x60 [ 15.540625][ C3] console_emit_next_record+0x1d1/0x4c0 [ 15.540626][ C3] console_flush_one_record+0x46f/0x710 [ 15.540628][ C3] console_unlock+0xee/0x1f0 [ 15.540629][ C3] vprintk_emit+0x37c/0x3e0 [ 15.540631][ C3] _printk+0xc7/0x100 [ 15.540632][ C3] addrconf_dad_failure.cold+0xfa/0x186 [ 15.540633][ C3] ndisc_recv_ns+0x713/0x1360 [ 15.540634][ C3] icmpv6_rcv+0x12c3/0x17d0 [ 15.540636][ C3] ip6_protocol_deliver_rcu+0x15c/0x1480 [ 15.540637][ C3] ip6_input_finish+0x196/0x590 [ 15.540638][ C3] ip6_input+0x130/0x570 [ 15.540639][ C3] ip6_mc_input+0x429/0xce0 [ 15.540640][ C3] ipv6_rcv+0x3c1/0x5a0 [ 15.540641][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 15.540643][ C3] process_backlog+0x431/0x14c0 [ 15.540644][ C3] __napi_poll+0xa7/0x3b0 [ 15.540646][ C3] net_rx_action+0x513/0xf50 [ 15.540647][ C3] handle_softirqs+0x1d3/0x900 [ 15.540648][ C3] do_softirq+0xac/0xe0 [ 15.540649][ C3] __local_bh_enable_ip+0x118/0x150 [ 15.540651][ C3] __dev_queue_xmit+0x979/0x1b80 [ 15.540652][ C3] ip6_finish_output2+0x423/0x1300 [ 15.540653][ C3] ip6_finish_output+0x646/0xda0 [ 15.540654][ C3] ip6_output+0x23f/0x7f0 [ 15.540655][ C3] ndisc_send_skb+0xba3/0x1520 [ 15.540657][ C3] ndisc_send_ns+0xa9/0x120 [ 15.540658][ C3] addrconf_dad_work+0x6c2/0x930 [ 15.540659][ C3] process_one_work+0xe3e/0x1560 [ 15.540661][ C3] worker_thread+0x4f1/0xd60 [ 15.540662][ C3] kthread+0x367/0x460 [ 15.540663][ C3] ret_from_fork+0x474/0x6b0 [ 15.540664][ C3] ret_from_fork_asm+0x11/0x20 [ 15.540665][ C3] [ 15.540666][ C3] [ 15.540666][ C3] stack backtrace: [ 15.540668][ C3] CPU: 3 UID: 0 PID: 68 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.540671][ C3] Tainted: [W]=WARN [ 15.540672][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.540673][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 15.540676][ C3] Call Trace: [ 15.540677][ C3] [ 15.540678][ C3] dump_stack_lvl+0x6f/0xa0 [ 15.540681][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 15.540683][ C3] mark_lock_irq+0x989/0x9c0 [ 15.540685][ C3] ? add_lock_to_list+0x2c/0x1a0 [ 15.540687][ C3] mark_lock+0x1d7/0xa00 [ 15.540689][ C3] mark_usage+0x42/0x170 [ 15.540691][ C3] __lock_acquire+0x388/0xc20 [ 15.540693][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.540695][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 15.540698][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.540701][ C3] ? lock_acquire+0x13c/0x160 [ 15.540704][ C3] console_lock_spinning_enable+0x5c/0x60 [ 15.540707][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 15.540709][ C3] console_emit_next_record+0x1d1/0x4c0 [ 15.540712][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 15.540714][ C3] ? console_flush_one_record+0x106/0x710 [ 15.540716][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.540717][ C3] ? lock_acquire+0x13c/0x160 [ 15.540719][ C3] console_flush_one_record+0x46f/0x710 [ 15.540721][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 15.540723][ C3] ? __lock_acquire+0x518/0xc20 [ 15.540725][ C3] console_unlock+0xee/0x1f0 [ 15.540727][ C3] ? console_flush_one_record+0x710/0x710 [ 15.540729][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.540730][ C3] ? lock_acquire+0x60/0x160 [ 15.540732][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.540734][ C3] ? vprintk_emit+0x320/0x3e0 [ 15.540736][ C3] vprintk_emit+0x37c/0x3e0 [ 15.540738][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 15.540739][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.540741][ C3] _printk+0xc7/0x100 [ 15.540743][ C3] ? snapshot_read.cold+0x21/0x21 [ 15.540745][ C3] ? ___ratelimit+0x4e7/0xa00 [ 15.540748][ C3] ? idr_get_free+0x830/0x830 [ 15.540750][ C3] addrconf_dad_failure.cold+0xfa/0x186 [ 15.540752][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.540754][ C3] ? inet6_rtm_newaddr+0x920/0x920 [ 15.540755][ C3] ? ipv6_get_ifaddr+0x2b5/0x570 [ 15.540757][ C3] ? addrconf_dad_work+0x930/0x930 [ 15.540759][ C3] ? __asan_memset+0x27/0x50 [ 15.540761][ C3] ? ndisc_parse_options.part.0+0x38/0x5c0 [ 15.540764][ C3] ndisc_recv_ns+0x713/0x1360 [ 15.540765][ C3] ? __print_lock_name+0x80/0x80 [ 15.540767][ C3] ? ndisc_netdev_event+0x460/0x460 [ 15.540768][ C3] ? ip6_pol_route+0x2dd/0xaa0 [ 15.540771][ C3] ? __asan_memset+0x27/0x50 [ 15.540772][ C3] ? ndisc_rcv+0x4e3/0x700 [ 15.540774][ C3] icmpv6_rcv+0x12c3/0x17d0 [ 15.540776][ C3] ip6_protocol_deliver_rcu+0x15c/0x1480 [ 15.540779][ C3] ip6_input_finish+0x196/0x590 [ 15.540780][ C3] ip6_input+0x130/0x570 [ 15.540782][ C3] ? ip6_input_finish+0x590/0x590 [ 15.540783][ C3] ? ipv6_chk_mcast_addr+0x213/0x7d0 [ 15.540786][ C3] ? ipv6_chk_mcast_addr+0x21d/0x7d0 [ 15.540788][ C3] ip6_mc_input+0x429/0xce0 [ 15.540789][ C3] ? ip6_input+0x570/0x570 [ 15.540791][ C3] ? __asan_memset+0x27/0x50 [ 15.540792][ C3] ? ip6_rcv_core+0xded/0x1be0 [ 15.540794][ C3] ipv6_rcv+0x3c1/0x5a0 [ 15.540795][ C3] ? ip6_rcv_core+0x1be0/0x1be0 [ 15.540797][ C3] ? mark_usage+0x61/0x170 [ 15.540798][ C3] ? __lock_acquire+0x518/0xc20 [ 15.540800][ C3] ? perf_trace_rcu_invoke_kvfree_callback+0x1c7/0x460 [ 15.540802][ C3] ? process_backlog+0x3f1/0x14c0 [ 15.540804][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 15.540805][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 15.540807][ C3] ? process_backlog+0x3f1/0x14c0 [ 15.540808][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 15.540810][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.540813][ C3] process_backlog+0x431/0x14c0 [ 15.540815][ C3] __napi_poll+0xa7/0x3b0 [ 15.540817][ C3] net_rx_action+0x513/0xf50 [ 15.540819][ C3] ? __napi_poll+0x3b0/0x3b0 [ 15.540821][ C3] ? find_held_lock+0x2b/0x80 [ 15.540824][ C3] ? mark_held_locks+0x40/0x70 [ 15.540826][ C3] handle_softirqs+0x1d3/0x900 [ 15.540828][ C3] ? _local_bh_enable+0xc0/0xc0 [ 15.540829][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.540831][ C3] ? trace_csd_function_exit+0xb3/0x180 [ 15.540833][ C3] ? __dev_queue_xmit+0x964/0x1b80 [ 15.540835][ C3] do_softirq+0xac/0xe0 [ 15.540836][ C3] [ 15.540837][ C3] [ 15.540837][ C3] __local_bh_enable_ip+0x118/0x150 [ 15.540839][ C3] __dev_queue_xmit+0x979/0x1b80 [ 15.540841][ C3] ? __lock_acquire+0x518/0xc20 [ 15.540843][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 15.540844][ C3] ? find_held_lock+0x2b/0x80 [ 15.540845][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 15.540849][ C3] ip6_finish_output2+0x423/0x1300 [ 15.540851][ C3] ? ip6_dst_lookup+0x80/0x80 [ 15.540852][ C3] ? find_held_lock+0x2b/0x80 [ 15.540854][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.540855][ C3] ? ip6_mtu+0x15d/0x310 [ 15.540857][ C3] ip6_finish_output+0x646/0xda0 [ 15.540859][ C3] ip6_output+0x23f/0x7f0 [ 15.540860][ C3] ? ip6_finish_output+0xda0/0xda0 [ 15.540862][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 15.540863][ C3] ? find_held_lock+0x2b/0x80 [ 15.540865][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.540866][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 15.540868][ C3] ndisc_send_skb+0xba3/0x1520 [ 15.540874][ C3] ? ndisc_recv_na+0xea0/0xea0 [ 15.540876][ C3] ? trace_hardirqs_off+0xd/0x30 [ 15.540878][ C3] ? try_to_grab_pending+0x77/0x840 [ 15.540880][ C3] ? mark_held_locks+0x40/0x70 [ 15.540882][ C3] ndisc_send_ns+0xa9/0x120 [ 15.540883][ C3] ? find_held_lock+0x2b/0x80 [ 15.540884][ C3] ? ndisc_router_discovery+0x2ab0/0x2ab0 [ 15.540885][ C3] ? __rwlock_init+0x150/0x150 [ 15.540887][ C3] ? mark_held_locks+0x40/0x70 [ 15.540889][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 15.540891][ C3] addrconf_dad_work+0x6c2/0x930 [ 15.540893][ C3] ? addrconf_dad_begin+0x540/0x540 [ 15.540895][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.540896][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.540898][ C3] ? lock_acquire+0x13c/0x160 [ 15.540899][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.540901][ C3] process_one_work+0xe3e/0x1560 [ 15.540904][ C3] ? __queue_delayed_work+0x470/0x470 [ 15.540906][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 15.540908][ C3] worker_thread+0x4f1/0xd60 [ 15.540910][ C3] ? rescuer_thread+0x1340/0x1340 [ 15.540912][ C3] ? __kthread_parkme+0xbd/0x210 [ 15.540914][ C3] ? rescuer_thread+0x1340/0x1340 [ 15.540915][ C3] ? rescuer_thread+0x1340/0x1340 [ 15.540917][ C3] kthread+0x367/0x460 [ 15.540918][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 15.540920][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 15.540921][ C3] ret_from_fork+0x474/0x6b0 [ 15.540923][ C3] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 15.540925][ C3] ? __switch_to+0x5a3/0xe00 [ 15.540927][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 15.540929][ C3] ret_from_fork_asm+0x11/0x20 [ 15.540931][ C3] [ 23.141212][ T68] w1.20: left allmulticast mode [ 23.141227][ T68] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.141229][ T68] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 68, name: kworker/u16:1 [ 23.141231][ T68] preempt_count: 1, expected: 0 [ 23.141232][ T68] RCU nest depth: 0, expected: 0 [ 23.141233][ T68] INFO: lockdep is turned off. [ 23.141234][ T68] irq event stamp: 24807 [ 23.141235][ T68] hardirqs last enabled at (24806): [] __down_trylock_console_sem+0x86/0xa0 [ 23.141244][ T68] hardirqs last disabled at (24807): [] console_emit_next_record+0x3d4/0x4c0 [ 23.141247][ T68] softirqs last enabled at (24600): [] __dev_queue_xmit+0x964/0x1b80 [ 23.141250][ T68] softirqs last disabled at (24601): [] do_softirq+0xac/0xe0 [ 23.141254][ T68] Preemption disabled at: [ 23.141255][ T68] [] vprintk_emit+0x31b/0x3e0 [ 23.141261][ T68] CPU: 3 UID: 0 PID: 68 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.141264][ T68] Tainted: [W]=WARN [ 23.141265][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.141267][ T68] Workqueue: netns cleanup_net [ 23.141272][ T68] Call Trace: [ 23.141273][ T68] [ 23.141275][ T68] dump_stack_lvl+0x6f/0xa0 [ 23.141280][ T68] ? vprintk_emit+0x31b/0x3e0 [ 23.141282][ T68] __might_resched.cold+0x1fe/0x2c1 [ 23.141285][ T68] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.141288][ T68] ? rcu_is_watching+0x16/0xd0 [ 23.141292][ T68] __kmalloc_noprof+0x443/0x760 [ 23.141296][ T68] ? __rwlock_init+0x150/0x150 [ 23.141298][ T68] ? alloc_buf.isra.0+0x4b/0x260 [ 23.141302][ T68] ? do_raw_spin_unlock+0x59/0x250 [ 23.141304][ T68] alloc_buf.isra.0+0x4b/0x260 [ 23.141305][ T68] put_chars+0x1e1/0x2f0 [ 23.141307][ T68] ? desc_read_finalized_seq+0x79/0x120 [ 23.141309][ T68] ? __send_to_port+0x420/0x420 [ 23.141311][ T68] ? console_prepend_replay+0x20/0x20 [ 23.141313][ T68] hvc_console_print+0x292/0x780 [ 23.141316][ T68] ? hvc_write+0x3a0/0x3a0 [ 23.141317][ T68] ? do_raw_spin_lock+0x131/0x280 [ 23.141319][ T68] ? __rwlock_init+0x150/0x150 [ 23.141321][ T68] ? rcu_is_watching+0x16/0xd0 [ 23.141322][ T68] ? rcu_is_watching+0x16/0xd0 [ 23.141324][ T68] ? lock_acquire+0x13c/0x160 [ 23.141326][ T68] console_emit_next_record+0x22f/0x4c0 [ 23.141329][ T68] ? devkmsg_read+0x4b0/0x4b0 [ 23.141330][ T68] ? rcu_is_watching+0x16/0xd0 [ 23.141332][ T68] ? rcu_is_watching+0x16/0xd0 [ 23.141334][ T68] ? rcu_is_watching+0x16/0xd0 [ 23.141335][ T68] ? lock_acquire+0x13c/0x160 [ 23.141337][ T68] ? console_flush_one_record+0x111/0x710 [ 23.141339][ T68] console_flush_one_record+0x46f/0x710 [ 23.141341][ T68] ? console_emit_next_record+0x4c0/0x4c0 [ 23.141344][ T68] console_unlock+0xee/0x1f0 [ 23.141345][ T68] ? lock_acquire+0x13c/0x160 [ 23.141347][ T68] ? console_flush_one_record+0x710/0x710 [ 23.141348][ T68] ? rcu_is_watching+0x16/0xd0 [ 23.141350][ T68] ? lock_release+0x184/0x1f0 [ 23.141351][ T68] ? lock_acquire+0x60/0x160 [ 23.141353][ T68] ? __rcu_read_lock+0x30/0x70 [ 23.141355][ T68] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.141356][ T68] ? vprintk_emit+0x320/0x3e0 [ 23.141358][ T68] vprintk_emit+0x37c/0x3e0 [ 23.141361][ T68] ? wake_up_klogd_work_func+0x90/0x90 [ 23.141362][ T68] ? process_one_work+0xe3e/0x1560 [ 23.141365][ T68] ? kthread+0x367/0x460 [ 23.141367][ T68] ? ret_from_fork+0x474/0x6b0 [ 23.141369][ T68] ? ret_from_fork_asm+0x11/0x20 [ 23.141372][ T68] _printk+0xc7/0x100 [ 23.141375][ T68] ? snapshot_read.cold+0x21/0x21 [ 23.141377][ T68] ? netdev_name+0x43/0x60 [ 23.141380][ T68] ? __netdev_printk+0x17f/0x1d0 [ 23.141382][ T68] netdev_info+0xe2/0x116 [ 23.141383][ T68] ? netdev_notice+0x120/0x120 [ 23.141385][ T68] ? rcu_is_watching+0x16/0xd0 [ 23.141387][ T68] ? __up_read+0x355/0x9e0 [ 23.141389][ T68] ? trace_hardirqs_on+0x36/0x40 [ 23.141391][ T68] ? down_write_nested+0x200/0x200 [ 23.141392][ T68] ? mutex_is_locked+0x1c/0x50 [ 23.141395][ T68] netif_set_allmulti.cold+0x7c/0x166 [ 23.141398][ T68] dev_set_allmulti+0xa2/0x150 [ 23.141400][ T68] del_nbp+0xb7/0xc10 [bridge] [ 23.141413][ T68] br_dev_delete+0x9d/0x1e0 [bridge] [ 23.141421][ T68] br_net_exit_rtnl+0xb8/0x110 [bridge] [ 23.141428][ T68] ops_undo_list+0x5be/0x8f0 [ 23.141430][ T68] ? rtnl_net_dumpid_one+0x2d0/0x2d0 [ 23.141432][ T68] ? idr_destroy+0x121/0x250 [ 23.141436][ T68] cleanup_net+0x431/0x890 [ 23.141437][ T68] ? net_passive_dec+0x230/0x230 [ 23.141440][ T68] ? lock_acquire+0x13c/0x160 [ 23.141441][ T68] ? rcu_is_watching+0x16/0xd0 [ 23.141443][ T68] process_one_work+0xe3e/0x1560 [ 23.141446][ T68] ? __queue_delayed_work+0x470/0x470 [ 23.141448][ T68] ? lock_acquire.part.0+0xd4/0x280 [ 23.141450][ T68] ? __rwlock_init+0x150/0x150 [ 23.141452][ T68] worker_thread+0x4f1/0xd60 [ 23.141454][ T68] ? rescuer_thread+0x1340/0x1340 [ 23.141456][ T68] ? __kthread_parkme+0xbd/0x210 [ 23.141463][ T68] ? rescuer_thread+0x1340/0x1340 [ 23.141465][ T68] ? rescuer_thread+0x1340/0x1340 [ 23.141466][ T68] kthread+0x367/0x460 [ 23.141468][ T68] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 23.141469][ T68] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.141471][ T68] ret_from_fork+0x474/0x6b0 [ 23.141472][ T68] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 23.141474][ T68] ? __switch_to+0x5a3/0xe00 [ 23.141477][ T68] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.141479][ T68] ret_from_fork_asm+0x11/0x20 [ 23.141482][ T68] [ 23.155050][ T68] w1.20: left promiscuous mode [ 23.155357][ T68] br3: port 3(w1.20) entered disabled state [ 23.156112][ T68] vx200: left allmulticast mode [ 23.156240][ T68] vx200: left promiscuous mode [ 23.156407][ T68] br3: port 2(vx200) entered disabled state [ 23.158537][ T68] w1: left allmulticast mode [ 23.158711][ T68] w1: left promiscuous mode [ 23.159594][ T68] br3: port 1(w1) entered disabled state [ 23.236679][ T68] vx100: left allmulticast mode [ 23.236848][ T68] vx100: left promiscuous mode [ 23.238604][ T68] br3: port 2(vx100) entered disabled state [ 23.239539][ T68] w1: left allmulticast mode [ 23.239668][ T68] w1: left promiscuous mode [ 23.239838][ T68] br3: port 1(w1) entered disabled state [ 23.611232][ T560] vx200: left allmulticast mode [ 23.611410][ T560] vx200: left promiscuous mode [ 23.611620][ T560] br2: port 1(vx200) entered disabled state [ 23.677594][ T563] br2: port 2(veth2.20) entered disabled state [ 23.678180][ T563] veth2.20 (unregistering): left allmulticast mode [ 23.678348][ T563] veth2: left allmulticast mode [ 23.678490][ T563] veth2.20 (unregistering): left promiscuous mode [ 23.678653][ T563] veth2: left promiscuous mode [ 23.678864][ T563] br2: port 2(veth2.20) entered disabled state [ 23.754110][ T567] br1: port 2(veth1) entered disabled state [ 23.777870][ T568] veth1: left allmulticast mode [ 23.778366][ T568] veth1: left promiscuous mode [ 23.778561][ T568] br1: port 2(veth1) entered disabled state [ 23.799683][ T569] vx100: left allmulticast mode [ 23.799835][ T569] vx100: left promiscuous mode [ 23.800352][ T569] br1: port 1(vx100) entered disabled state