[ 9.414428][ T187] ip (187) used greatest stack depth: 24432 bytes left [ 9.414444][ T187] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.414446][ T187] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 187, name: ip [ 9.414448][ T187] preempt_count: 2, expected: 0 [ 9.414449][ T187] RCU nest depth: 0, expected: 0 [ 9.414451][ T187] locks held by ip/187: 5, last CPU#3: [ 9.414453][ T187] #0: ffffffff8b0027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.414465][ T187] #1: ffffffff8b169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.414471][ T187] #2: ffffffff8b169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.414475][ T187] #3: ffffffff8b089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.414479][ T187] #4: ffffffff8b089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.414482][ T187] irq event stamp: 27042 [ 9.414483][ T187] hardirqs last enabled at (27041): [] __down_trylock_console_sem+0x86/0xa0 [ 9.414486][ T187] hardirqs last disabled at (27042): [] console_emit_next_record+0x3d4/0x4c0 [ 9.414488][ T187] softirqs last enabled at (25752): [] netlink_release+0x17b/0xcf0 [ 9.414491][ T187] softirqs last disabled at (25750): [] netlink_release+0xd2/0xcf0 [ 9.414494][ T187] Preemption disabled at: [ 9.414494][ T187] [<0000000000000000>] 0x0 [ 9.414501][ T187] CPU: 3 UID: 0 PID: 187 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.414504][ T187] Tainted: [W]=WARN [ 9.414505][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.414507][ T187] Call Trace: [ 9.414508][ T187] [ 9.414510][ T187] dump_stack_lvl+0x6f/0xa0 [ 9.414516][ T187] __might_resched.cold+0x1fe/0x2c1 [ 9.414520][ T187] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.414525][ T187] ? __kmalloc_noprof+0xdb/0x760 [ 9.414530][ T187] __kmalloc_noprof+0x443/0x760 [ 9.414532][ T187] ? alloc_buf.isra.0+0x4b/0x260 [ 9.414538][ T187] ? do_raw_spin_unlock+0x59/0x250 [ 9.414540][ T187] alloc_buf.isra.0+0x4b/0x260 [ 9.414543][ T187] put_chars+0x1e1/0x2f0 [ 9.414546][ T187] ? __send_to_port+0x420/0x420 [ 9.414548][ T187] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.414553][ T187] ? validate_chain+0x38b/0xc20 [ 9.414558][ T187] hvc_console_print+0x292/0x780 [ 9.414564][ T187] ? hvc_write+0x3a0/0x3a0 [ 9.414567][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.414569][ T187] ? lock_acquire+0x13c/0x160 [ 9.414573][ T187] console_emit_next_record+0x22f/0x4c0 [ 9.414577][ T187] ? devkmsg_read+0x4b0/0x4b0 [ 9.414579][ T187] ? console_flush_one_record+0x106/0x710 [ 9.414582][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.414584][ T187] ? lock_acquire+0x13c/0x160 [ 9.414588][ T187] console_flush_one_record+0x46f/0x710 [ 9.414593][ T187] ? console_emit_next_record+0x4c0/0x4c0 [ 9.414594][ T187] ? __lock_acquire+0x518/0xc20 [ 9.414600][ T187] console_unlock+0xee/0x1f0 [ 9.414603][ T187] ? console_flush_one_record+0x710/0x710 [ 9.414604][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.414607][ T187] ? lock_acquire+0x60/0x160 [ 9.414610][ T187] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.414612][ T187] ? vprintk_emit+0x320/0x3e0 [ 9.414616][ T187] vprintk_emit+0x37c/0x3e0 [ 9.414619][ T187] ? wake_up_klogd_work_func+0x90/0x90 [ 9.414623][ T187] ? __lock_acquire+0x518/0xc20 [ 9.414627][ T187] _printk+0xc7/0x100 [ 9.414630][ T187] ? snapshot_read.cold+0x21/0x21 [ 9.414633][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.414636][ T187] ? __rwlock_init+0x150/0x150 [ 9.414640][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.414643][ T187] do_exit.cold+0x82/0x9c [ 9.414646][ T187] ? exit_notify+0x890/0x890 [ 9.414648][ T187] ? __lock_release.isra.0+0x69/0x1a0 [ 9.414651][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.414655][ T187] do_group_exit+0xb8/0x370 [ 9.414658][ T187] __x64_sys_exit_group+0x3c/0x50 [ 9.414660][ T187] x64_sys_call+0x1567/0x1570 [ 9.414662][ T187] do_syscall_64+0xff/0x530 [ 9.414665][ T187] ? exc_page_fault+0xee/0x100 [ 9.414669][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.414671][ T187] RIP: 0033:0x7f23abaee1b8 [ 9.414673][ T187] Code: Unable to access opcode bytes at 0x7f23abaee18e. [ 9.414674][ T187] RSP: 002b:00007ffc13402ac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.414677][ T187] RAX: ffffffffffffffda RBX: 00007f23abc1ef88 RCX: 00007f23abaee1b8 [ 9.414678][ T187] RDX: 00007f23ab838fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.414679][ T187] RBP: 00007ffc13402b20 R08: 0000000000000000 R09: 0000000000008010 [ 9.414680][ T187] R10: 00007ffc134028e0 R11: 0000000000000246 R12: 0000000000000001 [ 9.414680][ T187] R13: 0000000000000000 R14: 00007f23abc1d680 R15: 00007f23abc1efa0 [ 9.414688][ T187] [ 11.253490][ T257] br1: port 1(vx10) entered blocking state [ 11.253561][ T257] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.253563][ T257] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 257, name: ip [ 11.253564][ T257] preempt_count: 1, expected: 0 [ 11.253565][ T257] RCU nest depth: 0, expected: 0 [ 11.253566][ T257] locks held by ip/257: 5, last CPU#1: [ 11.253569][ T257] #0: ffffffff8b8d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 11.253581][ T257] #1: ffffffff8b169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.253588][ T257] #2: ffffffff8b169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.253592][ T257] #3: ffffffff8b089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.253596][ T257] #4: ffffffff8b089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.253599][ T257] irq event stamp: 12998 [ 11.253600][ T257] hardirqs last enabled at (12997): [] __down_trylock_console_sem+0x86/0xa0 [ 11.253603][ T257] hardirqs last disabled at (12998): [] console_emit_next_record+0x3d4/0x4c0 [ 11.253605][ T257] softirqs last enabled at (12910): [] __alloc_skb+0x4c2/0x5f0 [ 11.253608][ T257] softirqs last disabled at (12908): [] __alloc_skb+0x4c2/0x5f0 [ 11.253611][ T257] Preemption disabled at: [ 11.253611][ T257] [] vprintk_emit+0x31b/0x3e0 [ 11.253617][ T257] CPU: 1 UID: 0 PID: 257 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.253621][ T257] Tainted: [W]=WARN [ 11.253622][ T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.253624][ T257] Call Trace: [ 11.253625][ T257] [ 11.253627][ T257] dump_stack_lvl+0x6f/0xa0 [ 11.253632][ T257] ? vprintk_emit+0x31b/0x3e0 [ 11.253635][ T257] __might_resched.cold+0x1fe/0x2c1 [ 11.253640][ T257] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.253644][ T257] ? __kmalloc_noprof+0xdb/0x760 [ 11.253650][ T257] __kmalloc_noprof+0x443/0x760 [ 11.253652][ T257] ? alloc_buf.isra.0+0x4b/0x260 [ 11.253660][ T257] ? do_raw_spin_unlock+0x59/0x250 [ 11.253664][ T257] alloc_buf.isra.0+0x4b/0x260 [ 11.253669][ T257] put_chars+0x1e1/0x2f0 [ 11.253673][ T257] ? __send_to_port+0x420/0x420 [ 11.253678][ T257] ? validate_chain+0x34a/0xc20 [ 11.253681][ T257] hvc_console_print+0x292/0x780 [ 11.253684][ T257] ? mark_usage+0x61/0x170 [ 11.253686][ T257] ? __lock_acquire+0x518/0xc20 [ 11.253688][ T257] ? __lock_acquire+0x518/0xc20 [ 11.253692][ T257] ? hvc_write+0x3a0/0x3a0 [ 11.253694][ T257] ? console_emit_next_record+0x1df/0x4c0 [ 11.253697][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.253701][ T257] ? lock_acquire+0x13c/0x160 [ 11.253705][ T257] console_emit_next_record+0x22f/0x4c0 [ 11.253709][ T257] ? devkmsg_read+0x4b0/0x4b0 [ 11.253710][ T257] ? console_flush_one_record+0x106/0x710 [ 11.253714][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.253716][ T257] ? lock_acquire+0x13c/0x160 [ 11.253720][ T257] console_flush_one_record+0x46f/0x710 [ 11.253724][ T257] ? console_emit_next_record+0x4c0/0x4c0 [ 11.253726][ T257] ? __lock_acquire+0x518/0xc20 [ 11.253731][ T257] console_unlock+0xee/0x1f0 [ 11.253734][ T257] ? console_flush_one_record+0x710/0x710 [ 11.253736][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.253739][ T257] ? lock_acquire+0x60/0x160 [ 11.253742][ T257] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.253744][ T257] ? vprintk_emit+0x320/0x3e0 [ 11.253747][ T257] vprintk_emit+0x37c/0x3e0 [ 11.253751][ T257] ? wake_up_klogd_work_func+0x90/0x90 [ 11.253754][ T257] ? __lock_release.isra.0+0x69/0x1a0 [ 11.253755][ T257] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.253760][ T257] ? mark_held_locks+0x40/0x70 [ 11.253763][ T257] _printk+0xc7/0x100 [ 11.253767][ T257] ? snapshot_read.cold+0x21/0x21 [ 11.253771][ T257] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 11.253784][ T257] ? do_setlink.isra.0+0xa31/0x2750 [ 11.253785][ T257] ? rtnl_newlink+0x9f1/0x11c0 [ 11.253786][ T257] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.253791][ T257] br_set_state+0x22f/0x430 [bridge] [ 11.253801][ T257] br_init_port+0xc4/0x200 [bridge] [ 11.253809][ T257] new_nbp+0x39c/0x580 [bridge] [ 11.253819][ T257] br_add_if+0x212/0x1320 [bridge] [ 11.253826][ T257] ? is_bpf_text_address+0x72/0x110 [ 11.253830][ T257] ? kernel_text_address+0x149/0x170 [ 11.253833][ T257] ? __kernel_text_address+0x12/0x30 [ 11.253837][ T257] do_set_master+0x357/0x580 [ 11.253842][ T257] do_setlink.isra.0+0xa31/0x2750 [ 11.253845][ T257] ? stack_trace_save+0x93/0xc0 [ 11.253848][ T257] ? rtnl_link_get_size+0x350/0x350 [ 11.253850][ T257] ? rcu_read_lock_any_held+0x66/0x90 [ 11.253852][ T257] ? stack_depot_save_flags+0x38e/0x790 [ 11.253856][ T257] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.253859][ T257] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.253860][ T257] ? validate_chain+0x38b/0xc20 [ 11.253863][ T257] ? kasan_save_stack+0x3d/0x50 [ 11.253866][ T257] ? kasan_save_stack+0x2f/0x50 [ 11.253868][ T257] ? kasan_save_track+0x14/0x30 [ 11.253871][ T257] ? __lock_acquire+0x518/0xc20 [ 11.253873][ T257] ? netlink_seq_next+0xe/0x60 [ 11.253876][ T257] ? ___sys_sendmsg+0xb0/0x1d0 [ 11.253880][ T257] ? lock_acquire.part.0+0xd4/0x280 [ 11.253882][ T257] ? rtnl_newlink+0x9a8/0x11c0 [ 11.253885][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.253887][ T257] ? lock_acquire+0x13c/0x160 [ 11.253889][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.253891][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.253893][ T257] ? trace_contention_end+0xb3/0x180 [ 11.253897][ T257] ? __mutex_lock+0x1db/0x1ea0 [ 11.253899][ T257] ? __mutex_lock+0x9a3/0x1ea0 [ 11.253901][ T257] ? rtnl_newlink+0x9a8/0x11c0 [ 11.253905][ T257] ? ww_mutex_lock+0x160/0x160 [ 11.253906][ T257] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.253911][ T257] ? __rtnl_newlink+0x3fa/0xa50 [ 11.253917][ T257] rtnl_newlink+0x9f1/0x11c0 [ 11.253922][ T257] ? rtnl_bridge_getlink+0x850/0x850 [ 11.253924][ T257] ? __lock_acquire+0x518/0xc20 [ 11.253928][ T257] ? lock_acquire.part.0+0xd4/0x280 [ 11.253930][ T257] ? find_held_lock+0x2b/0x80 [ 11.253932][ T257] ? rtnl_bridge_getlink+0x850/0x850 [ 11.253934][ T257] ? __lock_release.isra.0+0x69/0x1a0 [ 11.253938][ T257] ? rtnl_bridge_getlink+0x850/0x850 [ 11.253940][ T257] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.253943][ T257] ? rtnl_link_fill+0x920/0x920 [ 11.253944][ T257] ? __lock_acquire+0x518/0xc20 [ 11.253949][ T257] ? lock_acquire.part.0+0xd4/0x280 [ 11.253951][ T257] ? find_held_lock+0x2b/0x80 [ 11.253954][ T257] netlink_rcv_skb+0x14e/0x3a0 [ 11.253956][ T257] ? rtnl_link_fill+0x920/0x920 [ 11.253959][ T257] ? netlink_ack+0xcf0/0xcf0 [ 11.253965][ T257] ? netlink_deliver_tap+0xc5/0x330 [ 11.253967][ T257] ? netlink_deliver_tap+0x13c/0x330 [ 11.253971][ T257] netlink_unicast+0x486/0x750 [ 11.253975][ T257] ? netlink_attachskb+0x810/0x810 [ 11.253978][ T257] ? __lock_acquire+0x518/0xc20 [ 11.253982][ T257] netlink_sendmsg+0x735/0xc60 [ 11.253986][ T257] ? netlink_unicast+0x750/0x750 [ 11.253990][ T257] ? __might_fault+0x97/0x140 [ 11.253995][ T257] ____sys_sendmsg+0x415/0x880 [ 11.253997][ T257] ? copy_msghdr_from_user+0x279/0x420 [ 11.254000][ T257] ? get_timestamp.constprop.0+0x390/0x390 [ 11.254001][ T257] ? move_addr_to_kernel+0x40/0x40 [ 11.254009][ T257] ___sys_sendmsg+0x14e/0x1d0 [ 11.254011][ T257] ? copy_msghdr_from_user+0x420/0x420 [ 11.254027][ T257] __sys_sendmsg+0x12c/0x1d0 [ 11.254030][ T257] ? __sys_sendmsg_sock+0x20/0x20 [ 11.254037][ T257] ? rcu_is_watching+0x16/0xd0 [ 11.254040][ T257] do_syscall_64+0xff/0x530 [ 11.254043][ T257] ? exc_page_fault+0xee/0x100 [ 11.254046][ T257] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.254048][ T257] RIP: 0033:0x7f0866b3154e [ 11.254052][ T257] 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 [ 11.254053][ T257] RSP: 002b:00007ffe715b7fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.254056][ T257] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0866b3154e [ 11.254058][ T257] RDX: 0000000000000000 RSI: 00007ffe715b8060 RDI: 0000000000000005 [ 11.254058][ T257] RBP: 00007ffe715b7fc0 R08: 0000000000000000 R09: 0000000000000000 [ 11.254059][ T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b6ad [ 11.254060][ T257] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe715b8720 [ 11.254067][ T257] [ 11.294199][ T257] br1: port 1(vx10) entered disabled state [ 11.294629][ T257] vx10: entered allmulticast mode [ 11.297353][ T257] vx10: entered promiscuous mode [ 11.297981][ T257] br1: port 1(vx10) entered blocking state [ 11.298464][ T257] br1: port 1(vx10) entered forwarding state [ 11.307271][ T257] ip (257) used greatest stack depth: 23336 bytes left [ 11.420117][ T262] br1: port 2(vx20) entered blocking state [ 11.420456][ T262] br1: port 2(vx20) entered disabled state [ 11.420744][ T262] vx20: entered allmulticast mode [ 11.422245][ T262] vx20: entered promiscuous mode [ 11.437367][ T262] br1: port 2(vx20) entered blocking state [ 11.437662][ T262] br1: port 2(vx20) entered forwarding state [ 11.483570][ T264] br1: port 3(veth1) entered blocking state [ 11.483878][ T264] br1: port 3(veth1) entered disabled state [ 11.484166][ T264] veth1: entered allmulticast mode [ 11.485731][ T264] veth1: entered promiscuous mode [ 11.510418][ T46] br1: port 3(veth1) entered blocking state [ 11.516607][ T46] br1: port 3(veth1) entered forwarding state [ 11.545726][ T266] br1: port 4(veth2) entered blocking state [ 11.546053][ T266] br1: port 4(veth2) entered disabled state [ 11.546407][ T266] veth2: entered allmulticast mode [ 11.547900][ T266] veth2: entered promiscuous mode [ 11.571672][ T46] br1: port 4(veth2) entered blocking state [ 11.577671][ T46] br1: port 4(veth2) entered forwarding state [ 11.663812][ T271] br1: port 5(vx4001) entered blocking state [ 11.664150][ T271] br1: port 5(vx4001) entered disabled state [ 11.664515][ T271] vx4001: entered allmulticast mode [ 11.666052][ T271] vx4001: entered promiscuous mode [ 11.666864][ T271] br1: port 5(vx4001) entered blocking state [ 11.667191][ T271] br1: port 5(vx4001) entered forwarding state [ 11.909632][ T280] 8021q: 802.1Q VLAN Support v1.8 [ 12.030439][ T66] br1: entered promiscuous mode [ 13.933064][ T361] br1: port 1(vx10) entered blocking state [ 13.933080][ T361] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.933083][ T361] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 361, name: ip [ 13.933084][ T361] preempt_count: 1, expected: 0 [ 13.933085][ T361] RCU nest depth: 0, expected: 0 [ 13.933086][ T361] locks held by ip/361: 5, last CPU#1: [ 13.933088][ T361] #0: ffffffff8b8d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 13.933100][ T361] #1: ffffffff8b169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.933106][ T361] #2: ffffffff8b169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.933110][ T361] #3: ffffffff8b089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.933114][ T361] #4: ffffffff8b089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.933118][ T361] irq event stamp: 12900 [ 13.933119][ T361] hardirqs last enabled at (12899): [] __down_trylock_console_sem+0x86/0xa0 [ 13.933121][ T361] hardirqs last disabled at (12900): [] console_emit_next_record+0x3d4/0x4c0 [ 13.933123][ T361] softirqs last enabled at (12840): [] __alloc_skb+0x4c2/0x5f0 [ 13.933126][ T361] softirqs last disabled at (12838): [] __alloc_skb+0x4c2/0x5f0 [ 13.933129][ T361] Preemption disabled at: [ 13.933129][ T361] [] vprintk_emit+0x31b/0x3e0 [ 13.933135][ T361] CPU: 1 UID: 0 PID: 361 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.933139][ T361] Tainted: [W]=WARN [ 13.933140][ T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.933141][ T361] Call Trace: [ 13.933143][ T361] [ 13.933144][ T361] dump_stack_lvl+0x6f/0xa0 [ 13.933150][ T361] ? vprintk_emit+0x31b/0x3e0 [ 13.933152][ T361] __might_resched.cold+0x1fe/0x2c1 [ 13.933157][ T361] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.933161][ T361] ? __kmalloc_noprof+0xdb/0x760 [ 13.933166][ T361] __kmalloc_noprof+0x443/0x760 [ 13.933169][ T361] ? alloc_buf.isra.0+0x4b/0x260 [ 13.933174][ T361] ? do_raw_spin_unlock+0x59/0x250 [ 13.933177][ T361] alloc_buf.isra.0+0x4b/0x260 [ 13.933180][ T361] put_chars+0x1e1/0x2f0 [ 13.933183][ T361] ? prb_final_commit+0x50/0x50 [ 13.933185][ T361] ? __send_to_port+0x420/0x420 [ 13.933188][ T361] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.933192][ T361] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.933194][ T361] ? validate_chain+0x38b/0xc20 [ 13.933198][ T361] hvc_console_print+0x292/0x780 [ 13.933201][ T361] ? mark_usage+0x61/0x170 [ 13.933203][ T361] ? __lock_acquire+0x518/0xc20 [ 13.933204][ T361] ? __lock_acquire+0x518/0xc20 [ 13.933208][ T361] ? hvc_write+0x3a0/0x3a0 [ 13.933210][ T361] ? console_emit_next_record+0x1df/0x4c0 [ 13.933213][ T361] ? rcu_is_watching+0x16/0xd0 [ 13.933216][ T361] ? lock_acquire+0x13c/0x160 [ 13.933220][ T361] console_emit_next_record+0x22f/0x4c0 [ 13.933224][ T361] ? devkmsg_read+0x4b0/0x4b0 [ 13.933225][ T361] ? console_flush_one_record+0x106/0x710 [ 13.933228][ T361] ? rcu_is_watching+0x16/0xd0 [ 13.933231][ T361] ? lock_acquire+0x13c/0x160 [ 13.933240][ T361] console_flush_one_record+0x46f/0x710 [ 13.933244][ T361] ? console_emit_next_record+0x4c0/0x4c0 [ 13.933246][ T361] ? __lock_acquire+0x518/0xc20 [ 13.933251][ T361] console_unlock+0xee/0x1f0 [ 13.933254][ T361] ? console_flush_one_record+0x710/0x710 [ 13.933256][ T361] ? rcu_is_watching+0x16/0xd0 [ 13.933258][ T361] ? lock_acquire+0x60/0x160 [ 13.933262][ T361] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.933263][ T361] ? vprintk_emit+0x320/0x3e0 [ 13.933267][ T361] vprintk_emit+0x37c/0x3e0 [ 13.933271][ T361] ? wake_up_klogd_work_func+0x90/0x90 [ 13.933273][ T361] ? __lock_release.isra.0+0x69/0x1a0 [ 13.933276][ T361] ? mark_held_locks+0x40/0x70 [ 13.933279][ T361] _printk+0xc7/0x100 [ 13.933283][ T361] ? snapshot_read.cold+0x21/0x21 [ 13.933287][ T361] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 13.933299][ T361] ? do_setlink.isra.0+0xa31/0x2750 [ 13.933301][ T361] ? rtnl_newlink+0x9f1/0x11c0 [ 13.933302][ T361] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.933307][ T361] br_set_state+0x22f/0x430 [bridge] [ 13.933317][ T361] br_init_port+0xc4/0x200 [bridge] [ 13.933325][ T361] new_nbp+0x39c/0x580 [bridge] [ 13.933338][ T361] br_add_if+0x212/0x1320 [bridge] [ 13.933345][ T361] ? is_bpf_text_address+0x72/0x110 [ 13.933349][ T361] ? kernel_text_address+0x149/0x170 [ 13.933352][ T361] ? __kernel_text_address+0x12/0x30 [ 13.933356][ T361] do_set_master+0x357/0x580 [ 13.933360][ T361] do_setlink.isra.0+0xa31/0x2750 [ 13.933363][ T361] ? stack_trace_save+0x93/0xc0 [ 13.933366][ T361] ? rtnl_link_get_size+0x350/0x350 [ 13.933368][ T361] ? rcu_read_lock_any_held+0x66/0x90 [ 13.933370][ T361] ? stack_depot_save_flags+0x38e/0x790 [ 13.933373][ T361] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.933376][ T361] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.933377][ T361] ? validate_chain+0x38b/0xc20 [ 13.933380][ T361] ? kasan_save_stack+0x3d/0x50 [ 13.933383][ T361] ? kasan_save_stack+0x2f/0x50 [ 13.933385][ T361] ? kasan_save_track+0x14/0x30 [ 13.933387][ T361] ? __lock_acquire+0x518/0xc20 [ 13.933389][ T361] ? netlink_seq_next+0xe/0x60 [ 13.933392][ T361] ? ___sys_sendmsg+0xb0/0x1d0 [ 13.933397][ T361] ? lock_acquire.part.0+0xd4/0x280 [ 13.933399][ T361] ? rtnl_newlink+0x9a8/0x11c0 [ 13.933401][ T361] ? rcu_is_watching+0x16/0xd0 [ 13.933403][ T361] ? lock_acquire+0x13c/0x160 [ 13.933405][ T361] ? rcu_is_watching+0x16/0xd0 [ 13.933407][ T361] ? rcu_is_watching+0x16/0xd0 [ 13.933409][ T361] ? trace_contention_end+0xb3/0x180 [ 13.933413][ T361] ? __mutex_lock+0x1db/0x1ea0 [ 13.933416][ T361] ? __mutex_lock+0x9a3/0x1ea0 [ 13.933418][ T361] ? rtnl_newlink+0x9a8/0x11c0 [ 13.933421][ T361] ? ww_mutex_lock+0x160/0x160 [ 13.933423][ T361] ? nla_get_range_signed+0x3d0/0x3d0 [ 13.933428][ T361] ? __rtnl_newlink+0x3fa/0xa50 [ 13.933433][ T361] rtnl_newlink+0x9f1/0x11c0 [ 13.933438][ T361] ? rtnl_bridge_getlink+0x850/0x850 [ 13.933440][ T361] ? __lock_acquire+0x518/0xc20 [ 13.933444][ T361] ? lock_acquire.part.0+0xd4/0x280 [ 13.933446][ T361] ? find_held_lock+0x2b/0x80 [ 13.933448][ T361] ? rtnl_bridge_getlink+0x850/0x850 [ 13.933450][ T361] ? __lock_release.isra.0+0x69/0x1a0 [ 13.933454][ T361] ? rtnl_bridge_getlink+0x850/0x850 [ 13.933456][ T361] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.933459][ T361] ? rtnl_link_fill+0x920/0x920 [ 13.933460][ T361] ? __lock_acquire+0x518/0xc20 [ 13.933464][ T361] ? lock_acquire.part.0+0xd4/0x280 [ 13.933466][ T361] ? find_held_lock+0x2b/0x80 [ 13.933470][ T361] netlink_rcv_skb+0x14e/0x3a0 [ 13.933471][ T361] ? rtnl_link_fill+0x920/0x920 [ 13.933474][ T361] ? netlink_ack+0xcf0/0xcf0 [ 13.933480][ T361] ? netlink_deliver_tap+0xc5/0x330 [ 13.933482][ T361] ? netlink_deliver_tap+0x13c/0x330 [ 13.933486][ T361] netlink_unicast+0x486/0x750 [ 13.933490][ T361] ? netlink_attachskb+0x810/0x810 [ 13.933492][ T361] ? __lock_acquire+0x518/0xc20 [ 13.933496][ T361] netlink_sendmsg+0x735/0xc60 [ 13.933500][ T361] ? netlink_unicast+0x750/0x750 [ 13.933504][ T361] ? __might_fault+0x97/0x140 [ 13.933509][ T361] ____sys_sendmsg+0x415/0x880 [ 13.933511][ T361] ? copy_msghdr_from_user+0x279/0x420 [ 13.933513][ T361] ? get_timestamp.constprop.0+0x390/0x390 [ 13.933515][ T361] ? move_addr_to_kernel+0x40/0x40 [ 13.933522][ T361] ___sys_sendmsg+0x14e/0x1d0 [ 13.933525][ T361] ? copy_msghdr_from_user+0x420/0x420 [ 13.933540][ T361] __sys_sendmsg+0x12c/0x1d0 [ 13.933543][ T361] ? __sys_sendmsg_sock+0x20/0x20 [ 13.933549][ T361] ? rcu_is_watching+0x16/0xd0 [ 13.933553][ T361] do_syscall_64+0xff/0x530 [ 13.933555][ T361] ? exc_page_fault+0xee/0x100 [ 13.933558][ T361] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.933560][ T361] RIP: 0033:0x7f9886c4554e [ 13.933564][ T361] 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 [ 13.933565][ T361] RSP: 002b:00007ffd270b8500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.933568][ T361] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9886c4554e [ 13.933570][ T361] RDX: 0000000000000000 RSI: 00007ffd270b85b0 RDI: 0000000000000005 [ 13.933571][ T361] RBP: 00007ffd270b8510 R08: 0000000000000000 R09: 0000000000000000 [ 13.933571][ T361] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b6b0 [ 13.933572][ T361] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd270b8c70 [ 13.933579][ T361] [ 13.971822][ T361] br1: port 1(vx10) entered disabled state [ 13.972123][ T361] vx10: entered allmulticast mode [ 13.977215][ T361] vx10: entered promiscuous mode [ 13.977851][ T361] br1: port 1(vx10) entered blocking state [ 13.983560][ T361] br1: port 1(vx10) entered forwarding state [ 14.089929][ T365] br1: port 2(vx20) entered blocking state [ 14.090250][ T365] br1: port 2(vx20) entered disabled state [ 14.090542][ T365] vx20: entered allmulticast mode [ 14.091981][ T365] vx20: entered promiscuous mode [ 14.092812][ T365] br1: port 2(vx20) entered blocking state [ 14.093093][ T365] br1: port 2(vx20) entered forwarding state [ 14.199454][ T369] br1: port 3(vx4001) entered blocking state [ 14.199779][ T369] br1: port 3(vx4001) entered disabled state [ 14.200063][ T369] vx4001: entered allmulticast mode [ 14.201920][ T369] vx4001: entered promiscuous mode [ 14.202329][ T369] br1: port 3(vx4001) entered blocking state [ 14.202621][ T369] br1: port 3(vx4001) entered forwarding state [ 14.257856][ T371] br1: port 4(w1) entered blocking state [ 14.258132][ T371] br1: port 4(w1) entered disabled state [ 14.258438][ T371] w1: entered allmulticast mode [ 14.259935][ T371] w1: entered promiscuous mode [ 14.282781][ T39] br1: port 4(w1) entered blocking state [ 14.283047][ T39] br1: port 4(w1) entered forwarding state [ 14.337542][ T374] br1: port 5(w3) entered blocking state [ 14.337816][ T374] br1: port 5(w3) entered disabled state [ 14.338100][ T374] w3: entered allmulticast mode [ 14.339699][ T374] w3: entered promiscuous mode [ 14.374516][ T37] br1: port 5(w3) entered blocking state [ 14.374765][ T37] br1: port 5(w3) entered forwarding state [ 14.637550][ T66] br1: entered promiscuous mode [ 15.992799][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 15.992830][ C3] [ 15.992832][ C3] ======================================================== [ 15.992833][ C3] WARNING: possible irq lock inversion dependency detected [ 15.992835][ C3] 7.2.0-virtme #1 Tainted: G W [ 15.992836][ C3] -------------------------------------------------------- [ 15.992837][ C3] kworker/u16:0/12 just changed the state of lock: [ 15.992838][ C3] ffffffff8b089660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.992851][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 15.992852][ C3] (fs_reclaim){+.+.}-{0:0} [ 15.992853][ C3] [ 15.992853][ C3] [ 15.992853][ C3] and interrupts could create inverse lock ordering between them. [ 15.992853][ C3] [ 15.992854][ C3] [ 15.992854][ C3] other info that might help us debug this: [ 15.992854][ C3] Possible interrupt unsafe locking scenario: [ 15.992854][ C3] [ 15.992855][ C3] CPU0 CPU1 [ 15.992856][ C3] ---- ---- [ 15.992856][ C3] lock(fs_reclaim); [ 15.992857][ C3] local_irq_disable(); [ 15.992858][ C3] lock(console_owner); [ 15.992859][ C3] lock(fs_reclaim); [ 15.992859][ C3] [ 15.992860][ C3] lock(console_owner); [ 15.992860][ C3] [ 15.992860][ C3] *** DEADLOCK *** [ 15.992860][ C3] [ 15.992861][ C3] locks held by kworker/u16:0/12: 9, last CPU#3: [ 15.992862][ C3] #0: ff11000008997140 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 15.992867][ C3] #1: ffa00000000c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 15.992871][ C3] #2: ffffffff8b8d2c40 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 15.992876][ C3] #3: ff1100000ff88d30 (&idev->mc_lock){+.+.}-{4:4}, at: ipv6_mc_dad_complete+0x23/0x1a0 [ 15.992881][ C3] #4: ffffffff8b180b00 (rcu_read_lock){....}-{1:3}, at: mld_sendpack+0x1c9/0xec0 [ 15.992884][ C3] #5: ffffffff8b180b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 15.992887][ C3] #6: ffffffff8b180b00 (rcu_read_lock){....}-{1:3}, at: netif_receive_skb_list_internal+0x2f8/0xe20 [ 15.992892][ C3] #7: ffffffff8b169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.992895][ C3] #8: ffffffff8b169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.992898][ C3] [ 15.992898][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 15.992903][ C3] -> (fs_reclaim){+.+.}-{0:0} { [ 15.992905][ C3] HARDIRQ-ON-W at: [ 15.992906][ C3] __lock_acquire+0x388/0xc20 [ 15.992909][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.992911][ C3] fs_reclaim_acquire+0xd5/0x120 [ 15.992914][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 15.992916][ C3] kthread_create_worker_on_node+0xea/0x210 [ 15.992918][ C3] workqueue_init+0x2a/0x680 [ 15.992922][ C3] kernel_init_freeable+0x2fe/0x630 [ 15.992924][ C3] kernel_init+0x21/0x150 [ 15.992927][ C3] ret_from_fork+0x474/0x6b0 [ 15.992930][ C3] ret_from_fork_asm+0x11/0x20 [ 15.992933][ C3] SOFTIRQ-ON-W at: [ 15.992933][ C3] __lock_acquire+0x388/0xc20 [ 15.992935][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.992936][ C3] fs_reclaim_acquire+0xd5/0x120 [ 15.992937][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 15.992938][ C3] kthread_create_worker_on_node+0xea/0x210 [ 15.992940][ C3] workqueue_init+0x2a/0x680 [ 15.992941][ C3] kernel_init_freeable+0x2fe/0x630 [ 15.992942][ C3] kernel_init+0x21/0x150 [ 15.992944][ C3] ret_from_fork+0x474/0x6b0 [ 15.992945][ C3] ret_from_fork_asm+0x11/0x20 [ 15.992946][ C3] INITIAL USE at: [ 15.992947][ C3] __lock_acquire+0x388/0xc20 [ 15.992948][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.992949][ C3] fs_reclaim_acquire+0xd5/0x120 [ 15.992950][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 15.992952][ C3] kthread_create_worker_on_node+0xea/0x210 [ 15.992953][ C3] workqueue_init+0x2a/0x680 [ 15.992954][ C3] kernel_init_freeable+0x2fe/0x630 [ 15.992955][ C3] kernel_init+0x21/0x150 [ 15.992956][ C3] ret_from_fork+0x474/0x6b0 [ 15.992957][ C3] ret_from_fork_asm+0x11/0x20 [ 15.992959][ C3] } [ 15.992959][ C3] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 15.992963][ C3] ... acquired at: [ 15.992964][ C3] __lock_acquire+0x518/0xc20 [ 15.992966][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.992967][ C3] fs_reclaim_acquire+0xd5/0x120 [ 15.992968][ C3] __kmalloc_noprof+0xd3/0x760 [ 15.992969][ C3] alloc_buf.isra.0+0x4b/0x260 [ 15.992972][ C3] put_chars+0x1e1/0x2f0 [ 15.992973][ C3] hvc_console_print+0x292/0x780 [ 15.992976][ C3] console_emit_next_record+0x22f/0x4c0 [ 15.992977][ C3] console_flush_one_record+0x46f/0x710 [ 15.992979][ C3] console_unlock+0xee/0x1f0 [ 15.992980][ C3] vprintk_emit+0x37c/0x3e0 [ 15.992982][ C3] dev_vprintk_emit+0x27f/0x2c0 [ 15.992985][ C3] dev_printk_emit+0xb9/0xee [ 15.992987][ C3] _dev_info+0xe2/0x116 [ 15.992988][ C3] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 15.992991][ C3] cmos_do_probe+0x73b/0x98a [ 15.992993][ C3] platform_probe+0xfe/0x1f0 [ 15.992996][ C3] call_driver_probe+0x61/0x1c0 [ 15.992998][ C3] really_probe+0x199/0x760 [ 15.992999][ C3] __driver_probe_device+0x24f/0x440 [ 15.993001][ C3] driver_probe_device+0x4a/0xf0 [ 15.993002][ C3] __driver_attach+0x1b8/0x540 [ 15.993003][ C3] bus_for_each_dev+0x130/0x1e0 [ 15.993004][ C3] bus_add_driver+0x2c8/0x530 [ 15.993006][ C3] driver_register+0x1a3/0x390 [ 15.993007][ C3] __platform_driver_probe+0x13f/0x270 [ 15.993009][ C3] cmos_init+0x31/0x40 [ 15.993012][ C3] do_one_initcall+0x124/0x4f0 [ 15.993013][ C3] kernel_init_freeable+0x596/0x630 [ 15.993014][ C3] kernel_init+0x21/0x150 [ 15.993015][ C3] ret_from_fork+0x474/0x6b0 [ 15.993016][ C3] ret_from_fork_asm+0x11/0x20 [ 15.993018][ C3] [ 15.993018][ C3] -> (console_owner){..-.}-{0:0} { [ 15.993020][ C3] IN-SOFTIRQ-W at: [ 15.993020][ C3] __lock_acquire+0x388/0xc20 [ 15.993022][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.993023][ C3] console_lock_spinning_enable+0x5c/0x60 [ 15.993025][ C3] console_emit_next_record+0x1d1/0x4c0 [ 15.993026][ C3] console_flush_one_record+0x46f/0x710 [ 15.993028][ C3] console_unlock+0xee/0x1f0 [ 15.993029][ C3] vprintk_emit+0x37c/0x3e0 [ 15.993031][ C3] _printk+0xc7/0x100 [ 15.993034][ C3] br_fdb_update.cold+0x74/0x90 [bridge] [ 15.993044][ C3] br_handle_frame_finish+0x801/0x1d20 [bridge] [ 15.993054][ C3] br_handle_frame+0x74d/0xf50 [bridge] [ 15.993062][ C3] __netif_receive_skb_core.constprop.0+0x536/0x2bb0 [ 15.993064][ C3] __netif_receive_skb_list_core+0x2fc/0x9e0 [ 15.993065][ C3] netif_receive_skb_list_internal+0x5f8/0xe20 [ 15.993067][ C3] gro_receive_skb+0x52f/0xbb0 [ 15.993069][ C3] gro_cell_poll+0x275/0x550 [ 15.993072][ C3] __napi_poll+0xd4/0x3b0 [ 15.993074][ C3] net_rx_action+0x513/0xf50 [ 15.993075][ C3] handle_softirqs+0x1d3/0x900 [ 15.993078][ C3] do_softirq+0xac/0xe0 [ 15.993079][ C3] __local_bh_enable_ip+0x118/0x150 [ 15.993080][ C3] __dev_queue_xmit+0x979/0x1b80 [ 15.993082][ C3] ip6_finish_output2+0x96f/0x1300 [ 15.993083][ C3] ip6_finish_output+0x646/0xda0 [ 15.993084][ C3] ip6_output+0x23f/0x7f0 [ 15.993085][ C3] mld_sendpack+0x9d6/0xec0 [ 15.993086][ C3] ipv6_mc_dad_complete+0x97/0x1a0 [ 15.993088][ C3] addrconf_dad_completed+0x8c3/0xe10 [ 15.993089][ C3] addrconf_dad_work+0x3c1/0x930 [ 15.993091][ C3] process_one_work+0xe3e/0x1560 [ 15.993092][ C3] worker_thread+0x4f1/0xd60 [ 15.993094][ C3] kthread+0x367/0x460 [ 15.993095][ C3] ret_from_fork+0x474/0x6b0 [ 15.993096][ C3] ret_from_fork_asm+0x11/0x20 [ 15.993097][ C3] INITIAL USE at: [ 15.993098][ C3] } [ 15.993099][ C3] ... key at: [] console_owner_dep_map+0x0/0x60 [ 15.993102][ C3] ... acquired at: [ 15.993102][ C3] mark_lock+0x1d7/0xa00 [ 15.993104][ C3] mark_usage+0x42/0x170 [ 15.993105][ C3] __lock_acquire+0x388/0xc20 [ 15.993106][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.993107][ C3] console_lock_spinning_enable+0x5c/0x60 [ 15.993109][ C3] console_emit_next_record+0x1d1/0x4c0 [ 15.993111][ C3] console_flush_one_record+0x46f/0x710 [ 15.993112][ C3] console_unlock+0xee/0x1f0 [ 15.993113][ C3] vprintk_emit+0x37c/0x3e0 [ 15.993115][ C3] _printk+0xc7/0x100 [ 15.993116][ C3] br_fdb_update.cold+0x74/0x90 [bridge] [ 15.993123][ C3] br_handle_frame_finish+0x801/0x1d20 [bridge] [ 15.993130][ C3] br_handle_frame+0x74d/0xf50 [bridge] [ 15.993135][ C3] __netif_receive_skb_core.constprop.0+0x536/0x2bb0 [ 15.993137][ C3] __netif_receive_skb_list_core+0x2fc/0x9e0 [ 15.993138][ C3] netif_receive_skb_list_internal+0x5f8/0xe20 [ 15.993140][ C3] gro_receive_skb+0x52f/0xbb0 [ 15.993141][ C3] gro_cell_poll+0x275/0x550 [ 15.993143][ C3] __napi_poll+0xd4/0x3b0 [ 15.993144][ C3] net_rx_action+0x513/0xf50 [ 15.993145][ C3] handle_softirqs+0x1d3/0x900 [ 15.993146][ C3] do_softirq+0xac/0xe0 [ 15.993148][ C3] __local_bh_enable_ip+0x118/0x150 [ 15.993149][ C3] __dev_queue_xmit+0x979/0x1b80 [ 15.993150][ C3] ip6_finish_output2+0x96f/0x1300 [ 15.993151][ C3] ip6_finish_output+0x646/0xda0 [ 15.993152][ C3] ip6_output+0x23f/0x7f0 [ 15.993153][ C3] mld_sendpack+0x9d6/0xec0 [ 15.993155][ C3] ipv6_mc_dad_complete+0x97/0x1a0 [ 15.993156][ C3] addrconf_dad_completed+0x8c3/0xe10 [ 15.993158][ C3] addrconf_dad_work+0x3c1/0x930 [ 15.993159][ C3] process_one_work+0xe3e/0x1560 [ 15.993160][ C3] worker_thread+0x4f1/0xd60 [ 15.993162][ C3] kthread+0x367/0x460 [ 15.993163][ C3] ret_from_fork+0x474/0x6b0 [ 15.993164][ C3] ret_from_fork_asm+0x11/0x20 [ 15.993165][ C3] [ 15.993165][ C3] [ 15.993165][ C3] stack backtrace: [ 15.993168][ C3] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.993171][ C3] Tainted: [W]=WARN [ 15.993172][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.993174][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 15.993177][ C3] Call Trace: [ 15.993178][ C3] [ 15.993180][ C3] dump_stack_lvl+0x6f/0xa0 [ 15.993184][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 15.993186][ C3] mark_lock_irq+0x989/0x9c0 [ 15.993189][ C3] mark_lock+0x1d7/0xa00 [ 15.993191][ C3] mark_usage+0x42/0x170 [ 15.993192][ C3] __lock_acquire+0x388/0xc20 [ 15.993194][ C3] lock_acquire.part.0+0xd4/0x280 [ 15.993196][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 15.993198][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993201][ C3] ? lock_acquire+0x13c/0x160 [ 15.993203][ C3] console_lock_spinning_enable+0x5c/0x60 [ 15.993205][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 15.993207][ C3] console_emit_next_record+0x1d1/0x4c0 [ 15.993209][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 15.993210][ C3] ? console_flush_one_record+0x106/0x710 [ 15.993213][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993214][ C3] ? lock_acquire+0x13c/0x160 [ 15.993216][ C3] console_flush_one_record+0x46f/0x710 [ 15.993218][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 15.993220][ C3] ? __lock_acquire+0x518/0xc20 [ 15.993222][ C3] console_unlock+0xee/0x1f0 [ 15.993224][ C3] ? console_flush_one_record+0x710/0x710 [ 15.993226][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993227][ C3] ? lock_acquire+0x60/0x160 [ 15.993229][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.993231][ C3] ? vprintk_emit+0x320/0x3e0 [ 15.993233][ C3] vprintk_emit+0x37c/0x3e0 [ 15.993235][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 15.993237][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993239][ C3] _printk+0xc7/0x100 [ 15.993246][ C3] ? snapshot_read.cold+0x21/0x21 [ 15.993248][ C3] ? ___ratelimit+0x4e7/0xa00 [ 15.993251][ C3] ? fdb_notify.isra.0+0x120/0x120 [bridge] [ 15.993258][ C3] ? idr_get_free+0x830/0x830 [ 15.993260][ C3] br_fdb_update.cold+0x74/0x90 [bridge] [ 15.993268][ C3] ? br_fdb_add_local+0x60/0x60 [bridge] [ 15.993275][ C3] ? __lock_acquire+0x518/0xc20 [ 15.993276][ C3] ? __allowed_ingress+0x58c/0xcc0 [bridge] [ 15.993285][ C3] ? br_allowed_ingress+0x6c/0x150 [bridge] [ 15.993292][ C3] br_handle_frame_finish+0x801/0x1d20 [bridge] [ 15.993300][ C3] ? br_handle_local_finish+0x20/0x20 [bridge] [ 15.993306][ C3] ? validate_chain+0x73a/0xc20 [ 15.993309][ C3] ? vxlan_rcv+0x119c/0x2f70 [vxlan] [ 15.993314][ C3] br_handle_frame+0x74d/0xf50 [bridge] [ 15.993321][ C3] ? br_handle_frame_finish+0x1d20/0x1d20 [bridge] [ 15.993327][ C3] __netif_receive_skb_core.constprop.0+0x536/0x2bb0 [ 15.993330][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993334][ C3] ? do_xdp_generic+0x4a0/0x4a0 [ 15.993336][ C3] ? udpv6_queue_rcv_one_skb+0x653/0xbf0 [ 15.993337][ C3] ? udpv6_queue_rcv_one_skb+0x66a/0xbf0 [ 15.993339][ C3] ? udp6_unicast_rcv_skb+0x2b3/0x390 [ 15.993340][ C3] ? ip6_protocol_deliver_rcu+0xa78/0x1480 [ 15.993342][ C3] ? find_held_lock+0x2b/0x80 [ 15.993344][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993346][ C3] __netif_receive_skb_list_core+0x2fc/0x9e0 [ 15.993348][ C3] ? __netif_receive_skb_core.constprop.0+0x2bb0/0x2bb0 [ 15.993350][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 15.993352][ C3] ? netif_receive_skb_list_internal+0x2f8/0xe20 [ 15.993354][ C3] ? lock_acquire+0x13c/0x160 [ 15.993356][ C3] netif_receive_skb_list_internal+0x5f8/0xe20 [ 15.993358][ C3] ? find_held_lock+0x2b/0x80 [ 15.993359][ C3] ? process_backlog+0x14c0/0x14c0 [ 15.993361][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993362][ C3] ? validate_chain+0x731/0xc20 [ 15.993364][ C3] ? dev_gro_receive+0x8a5/0x1740 [ 15.993365][ C3] ? dev_gro_receive+0x1f8/0x1740 [ 15.993367][ C3] gro_receive_skb+0x52f/0xbb0 [ 15.993369][ C3] gro_cell_poll+0x275/0x550 [ 15.993371][ C3] __napi_poll+0xd4/0x3b0 [ 15.993373][ C3] net_rx_action+0x513/0xf50 [ 15.993376][ C3] ? wakeup_preempt_fair+0x6cf/0x15d0 [ 15.993379][ C3] ? __napi_poll+0x3b0/0x3b0 [ 15.993381][ C3] ? find_held_lock+0x2b/0x80 [ 15.993383][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993385][ C3] ? mark_held_locks+0x40/0x70 [ 15.993387][ C3] handle_softirqs+0x1d3/0x900 [ 15.993389][ C3] ? _local_bh_enable+0xc0/0xc0 [ 15.993390][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993392][ C3] ? trace_csd_function_exit+0xb3/0x180 [ 15.993395][ C3] ? __dev_queue_xmit+0x964/0x1b80 [ 15.993397][ C3] do_softirq+0xac/0xe0 [ 15.993398][ C3] [ 15.993399][ C3] [ 15.993399][ C3] __local_bh_enable_ip+0x118/0x150 [ 15.993401][ C3] __dev_queue_xmit+0x979/0x1b80 [ 15.993404][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 15.993406][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 15.993407][ C3] ? find_held_lock+0x2b/0x80 [ 15.993408][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993410][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993411][ C3] ? mark_held_locks+0x40/0x70 [ 15.993413][ C3] ? __asan_memcpy+0x3c/0x60 [ 15.993416][ C3] ? neigh_hh_output+0x152/0x4c0 [ 15.993418][ C3] ip6_finish_output2+0x96f/0x1300 [ 15.993420][ C3] ? ip6_dst_lookup+0x80/0x80 [ 15.993421][ C3] ? find_held_lock+0x2b/0x80 [ 15.993423][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993424][ C3] ? ip6_mtu+0x15d/0x310 [ 15.993427][ C3] ip6_finish_output+0x646/0xda0 [ 15.993428][ C3] ip6_output+0x23f/0x7f0 [ 15.993430][ C3] ? ip6_finish_output+0xda0/0xda0 [ 15.993431][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993433][ C3] ? xfrm_bundle_lookup.constprop.0+0xba0/0xba0 [ 15.993435][ C3] ? mark_held_locks+0x40/0x70 [ 15.993437][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 15.993438][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 15.993440][ C3] ? icmp6_dst_alloc+0x317/0x4d0 [ 15.993442][ C3] mld_sendpack+0x9d6/0xec0 [ 15.993444][ C3] ? mld_dad_start_work+0x240/0x240 [ 15.993447][ C3] ipv6_mc_dad_complete+0x97/0x1a0 [ 15.993449][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 15.993450][ C3] addrconf_dad_completed+0x8c3/0xe10 [ 15.993452][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 15.993454][ C3] ? addrconf_rs_timer+0x770/0x770 [ 15.993456][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993457][ C3] ? __rwlock_init+0x150/0x150 [ 15.993459][ C3] ? mark_held_locks+0x40/0x70 [ 15.993461][ C3] ? addrconf_dad_work+0x3c1/0x930 [ 15.993462][ C3] addrconf_dad_work+0x3c1/0x930 [ 15.993464][ C3] ? addrconf_dad_begin+0x540/0x540 [ 15.993466][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993468][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993469][ C3] ? lock_acquire+0x13c/0x160 [ 15.993471][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993473][ C3] process_one_work+0xe3e/0x1560 [ 15.993475][ C3] ? __queue_delayed_work+0x470/0x470 [ 15.993477][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 15.993480][ C3] worker_thread+0x4f1/0xd60 [ 15.993483][ C3] ? rescuer_thread+0x1340/0x1340 [ 15.993484][ C3] kthread+0x367/0x460 [ 15.993486][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 15.993488][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 15.993490][ C3] ret_from_fork+0x474/0x6b0 [ 15.993491][ C3] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 15.993493][ C3] ? __switch_to+0x5a3/0xe00 [ 15.993496][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 15.993497][ C3] ret_from_fork_asm+0x11/0x20 [ 15.993500][ C3] [ 15.993504][ C3] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.993506][ C3] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 15.993507][ C3] preempt_count: 102, expected: 0 [ 15.993508][ C3] RCU nest depth: 3, expected: 0 [ 15.993509][ C3] INFO: lockdep is turned off. [ 15.993509][ C3] irq event stamp: 43333 [ 15.993510][ C3] hardirqs last enabled at (43332): [] __down_trylock_console_sem+0x86/0xa0 [ 15.993512][ C3] hardirqs last disabled at (43333): [] console_emit_next_record+0x3d4/0x4c0 [ 15.993514][ C3] softirqs last enabled at (42274): [] __dev_queue_xmit+0x964/0x1b80 [ 15.993516][ C3] softirqs last disabled at (42275): [] do_softirq+0xac/0xe0 [ 15.993517][ C3] Preemption disabled at: [ 15.993518][ C3] [] __dev_queue_xmit+0x204/0x1b80 [ 15.993520][ C3] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.993522][ C3] Tainted: [W]=WARN [ 15.993523][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.993523][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 15.993526][ C3] Call Trace: [ 15.993526][ C3] [ 15.993527][ C3] dump_stack_lvl+0x6f/0xa0 [ 15.993529][ C3] ? __dev_queue_xmit+0x204/0x1b80 [ 15.993530][ C3] __might_resched.cold+0x1fe/0x2c1 [ 15.993533][ C3] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.993536][ C3] ? nbcon_get_cpu_emergency_nesting+0xa/0x30 [ 15.993538][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993540][ C3] __kmalloc_noprof+0x443/0x760 [ 15.993541][ C3] ? __rwlock_init+0x150/0x150 [ 15.993543][ C3] ? alloc_buf.isra.0+0x4b/0x260 [ 15.993545][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 15.993546][ C3] alloc_buf.isra.0+0x4b/0x260 [ 15.993548][ C3] put_chars+0x1e1/0x2f0 [ 15.993550][ C3] ? __send_to_port+0x420/0x420 [ 15.993551][ C3] ? mark_lock+0x1d7/0xa00 [ 15.993553][ C3] hvc_console_print+0x292/0x780 [ 15.993556][ C3] ? hvc_write+0x3a0/0x3a0 [ 15.993557][ C3] ? lock_acquire+0x13c/0x160 [ 15.993559][ C3] console_emit_next_record+0x22f/0x4c0 [ 15.993561][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 15.993563][ C3] ? console_flush_one_record+0x106/0x710 [ 15.993565][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993566][ C3] ? lock_acquire+0x13c/0x160 [ 15.993568][ C3] console_flush_one_record+0x46f/0x710 [ 15.993570][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 15.993572][ C3] ? __lock_acquire+0x518/0xc20 [ 15.993574][ C3] console_unlock+0xee/0x1f0 [ 15.993576][ C3] ? console_flush_one_record+0x710/0x710 [ 15.993578][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993579][ C3] ? lock_acquire+0x60/0x160 [ 15.993581][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.993583][ C3] ? vprintk_emit+0x320/0x3e0 [ 15.993585][ C3] vprintk_emit+0x37c/0x3e0 [ 15.993587][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 15.993588][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993591][ C3] _printk+0xc7/0x100 [ 15.993592][ C3] ? snapshot_read.cold+0x21/0x21 [ 15.993594][ C3] ? ___ratelimit+0x4e7/0xa00 [ 15.993596][ C3] ? fdb_notify.isra.0+0x120/0x120 [bridge] [ 15.993602][ C3] ? idr_get_free+0x830/0x830 [ 15.993604][ C3] br_fdb_update.cold+0x74/0x90 [bridge] [ 15.993611][ C3] ? br_fdb_add_local+0x60/0x60 [bridge] [ 15.993618][ C3] ? __lock_acquire+0x518/0xc20 [ 15.993619][ C3] ? __allowed_ingress+0x58c/0xcc0 [bridge] [ 15.993626][ C3] ? br_allowed_ingress+0x6c/0x150 [bridge] [ 15.993634][ C3] br_handle_frame_finish+0x801/0x1d20 [bridge] [ 15.993642][ C3] ? br_handle_local_finish+0x20/0x20 [bridge] [ 15.993648][ C3] ? validate_chain+0x73a/0xc20 [ 15.993650][ C3] ? vxlan_rcv+0x119c/0x2f70 [vxlan] [ 15.993654][ C3] br_handle_frame+0x74d/0xf50 [bridge] [ 15.993660][ C3] ? br_handle_frame_finish+0x1d20/0x1d20 [bridge] [ 15.993666][ C3] __netif_receive_skb_core.constprop.0+0x536/0x2bb0 [ 15.993669][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993671][ C3] ? do_xdp_generic+0x4a0/0x4a0 [ 15.993673][ C3] ? udpv6_queue_rcv_one_skb+0x653/0xbf0 [ 15.993674][ C3] ? udpv6_queue_rcv_one_skb+0x66a/0xbf0 [ 15.993676][ C3] ? udp6_unicast_rcv_skb+0x2b3/0x390 [ 15.993677][ C3] ? ip6_protocol_deliver_rcu+0xa78/0x1480 [ 15.993679][ C3] ? find_held_lock+0x2b/0x80 [ 15.993680][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993682][ C3] __netif_receive_skb_list_core+0x2fc/0x9e0 [ 15.993685][ C3] ? __netif_receive_skb_core.constprop.0+0x2bb0/0x2bb0 [ 15.993686][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 15.993688][ C3] ? netif_receive_skb_list_internal+0x2f8/0xe20 [ 15.993690][ C3] ? lock_acquire+0x13c/0x160 [ 15.993692][ C3] netif_receive_skb_list_internal+0x5f8/0xe20 [ 15.993694][ C3] ? find_held_lock+0x2b/0x80 [ 15.993695][ C3] ? process_backlog+0x14c0/0x14c0 [ 15.993697][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993698][ C3] ? validate_chain+0x731/0xc20 [ 15.993700][ C3] ? dev_gro_receive+0x8a5/0x1740 [ 15.993701][ C3] ? dev_gro_receive+0x1f8/0x1740 [ 15.993703][ C3] gro_receive_skb+0x52f/0xbb0 [ 15.993704][ C3] gro_cell_poll+0x275/0x550 [ 15.993707][ C3] __napi_poll+0xd4/0x3b0 [ 15.993709][ C3] net_rx_action+0x513/0xf50 [ 15.993711][ C3] ? wakeup_preempt_fair+0x6cf/0x15d0 [ 15.993713][ C3] ? __napi_poll+0x3b0/0x3b0 [ 15.993715][ C3] ? find_held_lock+0x2b/0x80 [ 15.993718][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993719][ C3] ? mark_held_locks+0x40/0x70 [ 15.993721][ C3] handle_softirqs+0x1d3/0x900 [ 15.993723][ C3] ? _local_bh_enable+0xc0/0xc0 [ 15.993724][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993726][ C3] ? trace_csd_function_exit+0xb3/0x180 [ 15.993727][ C3] ? __dev_queue_xmit+0x964/0x1b80 [ 15.993729][ C3] do_softirq+0xac/0xe0 [ 15.993730][ C3] [ 15.993731][ C3] [ 15.993731][ C3] __local_bh_enable_ip+0x118/0x150 [ 15.993733][ C3] __dev_queue_xmit+0x979/0x1b80 [ 15.993736][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 15.993737][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 15.993739][ C3] ? find_held_lock+0x2b/0x80 [ 15.993740][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993741][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993743][ C3] ? mark_held_locks+0x40/0x70 [ 15.993745][ C3] ? __asan_memcpy+0x3c/0x60 [ 15.993746][ C3] ? neigh_hh_output+0x152/0x4c0 [ 15.993748][ C3] ip6_finish_output2+0x96f/0x1300 [ 15.993750][ C3] ? ip6_dst_lookup+0x80/0x80 [ 15.993751][ C3] ? find_held_lock+0x2b/0x80 [ 15.993752][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993754][ C3] ? ip6_mtu+0x15d/0x310 [ 15.993756][ C3] ip6_finish_output+0x646/0xda0 [ 15.993757][ C3] ip6_output+0x23f/0x7f0 [ 15.993759][ C3] ? ip6_finish_output+0xda0/0xda0 [ 15.993760][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993762][ C3] ? xfrm_bundle_lookup.constprop.0+0xba0/0xba0 [ 15.993763][ C3] ? mark_held_locks+0x40/0x70 [ 15.993765][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 15.993766][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 15.993768][ C3] ? icmp6_dst_alloc+0x317/0x4d0 [ 15.993769][ C3] mld_sendpack+0x9d6/0xec0 [ 15.993771][ C3] ? mld_dad_start_work+0x240/0x240 [ 15.993775][ C3] ipv6_mc_dad_complete+0x97/0x1a0 [ 15.993776][ C3] ? __local_bh_enable_ip+0xaa/0x150 [ 15.993778][ C3] addrconf_dad_completed+0x8c3/0xe10 [ 15.993780][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 15.993781][ C3] ? addrconf_rs_timer+0x770/0x770 [ 15.993783][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 15.993784][ C3] ? __rwlock_init+0x150/0x150 [ 15.993786][ C3] ? mark_held_locks+0x40/0x70 [ 15.993788][ C3] ? addrconf_dad_work+0x3c1/0x930 [ 15.993789][ C3] addrconf_dad_work+0x3c1/0x930 [ 15.993791][ C3] ? addrconf_dad_begin+0x540/0x540 [ 15.993793][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993795][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993796][ C3] ? lock_acquire+0x13c/0x160 [ 15.993798][ C3] ? rcu_is_watching+0x16/0xd0 [ 15.993800][ C3] process_one_work+0xe3e/0x1560 [ 15.993803][ C3] ? __queue_delayed_work+0x470/0x470 [ 15.993804][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 15.993807][ C3] worker_thread+0x4f1/0xd60 [ 15.993810][ C3] ? rescuer_thread+0x1340/0x1340 [ 15.993811][ C3] kthread+0x367/0x460 [ 15.993813][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 15.993814][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 15.993816][ C3] ret_from_fork+0x474/0x6b0 [ 15.993817][ C3] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 15.993819][ C3] ? __switch_to+0x5a3/0xe00 [ 15.993820][ C3] ? kthread_affine_preferred+0x4c0/0x4c0 [ 15.993822][ C3] ret_from_fork_asm+0x11/0x20 [ 15.993825][ C3] [ 16.076464][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 16.076851][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 16.077187][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 16.077583][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 16.077986][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 16.078653][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 16.078943][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 16.079267][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 16.079631][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 26.671788][ T12] w3: left allmulticast mode [ 26.671805][ T12] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.671807][ T12] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 26.671809][ T12] preempt_count: 1, expected: 0 [ 26.671810][ T12] RCU nest depth: 0, expected: 0 [ 26.671811][ T12] INFO: lockdep is turned off. [ 26.671812][ T12] irq event stamp: 43333 [ 26.671813][ T12] hardirqs last enabled at (43332): [] __down_trylock_console_sem+0x86/0xa0 [ 26.671822][ T12] hardirqs last disabled at (43333): [] console_emit_next_record+0x3d4/0x4c0 [ 26.671825][ T12] softirqs last enabled at (42274): [] __dev_queue_xmit+0x964/0x1b80 [ 26.671829][ T12] softirqs last disabled at (42275): [] do_softirq+0xac/0xe0 [ 26.671833][ T12] Preemption disabled at: [ 26.671834][ T12] [] vprintk_emit+0x31b/0x3e0 [ 26.671840][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.671844][ T12] Tainted: [W]=WARN [ 26.671845][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.671847][ T12] Workqueue: netns cleanup_net [ 26.671853][ T12] Call Trace: [ 26.671855][ T12] [ 26.671857][ T12] dump_stack_lvl+0x6f/0xa0 [ 26.671862][ T12] ? vprintk_emit+0x31b/0x3e0 [ 26.671864][ T12] __might_resched.cold+0x1fe/0x2c1 [ 26.671868][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.671872][ T12] ? rcu_is_watching+0x16/0xd0 [ 26.671876][ T12] __kmalloc_noprof+0x443/0x760 [ 26.671880][ T12] ? __rwlock_init+0x150/0x150 [ 26.671883][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 26.671887][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 26.671888][ T12] alloc_buf.isra.0+0x4b/0x260 [ 26.671890][ T12] put_chars+0x1e1/0x2f0 [ 26.671892][ T12] ? desc_read_finalized_seq+0x79/0x120 [ 26.671894][ T12] ? __send_to_port+0x420/0x420 [ 26.671896][ T12] ? console_prepend_replay+0x20/0x20 [ 26.671899][ T12] hvc_console_print+0x292/0x780 [ 26.671903][ T12] ? hvc_write+0x3a0/0x3a0 [ 26.671904][ T12] ? do_raw_spin_lock+0x131/0x280 [ 26.671906][ T12] ? __rwlock_init+0x150/0x150 [ 26.671907][ T12] ? rcu_is_watching+0x16/0xd0 [ 26.671909][ T12] ? rcu_is_watching+0x16/0xd0 [ 26.671911][ T12] ? lock_acquire+0x13c/0x160 [ 26.671913][ T12] console_emit_next_record+0x22f/0x4c0 [ 26.671916][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 26.671918][ T12] ? rcu_is_watching+0x16/0xd0 [ 26.671920][ T12] ? rcu_is_watching+0x16/0xd0 [ 26.671922][ T12] ? rcu_is_watching+0x16/0xd0 [ 26.671924][ T12] ? lock_acquire+0x13c/0x160 [ 26.671926][ T12] ? console_flush_one_record+0x111/0x710 [ 26.671928][ T12] console_flush_one_record+0x46f/0x710 [ 26.671930][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 26.671933][ T12] console_unlock+0xee/0x1f0 [ 26.671935][ T12] ? lock_acquire+0x13c/0x160 [ 26.671937][ T12] ? console_flush_one_record+0x710/0x710 [ 26.671939][ T12] ? rcu_is_watching+0x16/0xd0 [ 26.671940][ T12] ? lock_release+0x184/0x1f0 [ 26.671942][ T12] ? lock_acquire+0x60/0x160 [ 26.671944][ T12] ? __rcu_read_lock+0x30/0x70 [ 26.671946][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.671948][ T12] ? vprintk_emit+0x320/0x3e0 [ 26.671950][ T12] vprintk_emit+0x37c/0x3e0 [ 26.671953][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 26.671955][ T12] ? process_one_work+0xe3e/0x1560 [ 26.671958][ T12] ? kthread+0x367/0x460 [ 26.671960][ T12] ? ret_from_fork+0x474/0x6b0 [ 26.671962][ T12] ? ret_from_fork_asm+0x11/0x20 [ 26.671965][ T12] _printk+0xc7/0x100 [ 26.671969][ T12] ? snapshot_read.cold+0x21/0x21 [ 26.671971][ T12] ? netdev_name+0x43/0x60 [ 26.671974][ T12] ? __netdev_printk+0x17f/0x1d0 [ 26.671976][ T12] netdev_info+0xe2/0x116 [ 26.671978][ T12] ? netdev_notice+0x120/0x120 [ 26.671980][ T12] ? rcu_is_watching+0x16/0xd0 [ 26.671982][ T12] ? __up_read+0x355/0x9e0 [ 26.671984][ T12] ? trace_hardirqs_on+0x36/0x40 [ 26.671986][ T12] ? down_write_nested+0x200/0x200 [ 26.671988][ T12] ? mutex_is_locked+0x1c/0x50 [ 26.671991][ T12] netif_set_allmulti.cold+0x7c/0x166 [ 26.671994][ T12] dev_set_allmulti+0xa2/0x150 [ 26.671996][ T12] del_nbp+0xb7/0xc10 [bridge] [ 26.672011][ T12] br_dev_delete+0x9d/0x1e0 [bridge] [ 26.672020][ T12] br_net_exit_rtnl+0xb8/0x110 [bridge] [ 26.672029][ T12] ops_undo_list+0x5be/0x8f0 [ 26.672031][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0 [ 26.672033][ T12] ? __call_rcu_common.constprop.0+0x3d3/0xa20 [ 26.672036][ T12] cleanup_net+0x431/0x890 [ 26.672038][ T12] ? net_passive_dec+0x230/0x230 [ 26.672040][ T12] ? lock_acquire+0x13c/0x160 [ 26.672042][ T12] ? rcu_is_watching+0x16/0xd0 [ 26.672044][ T12] process_one_work+0xe3e/0x1560 [ 26.672047][ T12] ? __queue_delayed_work+0x470/0x470 [ 26.672049][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 26.672052][ T12] ? __rwlock_init+0x150/0x150 [ 26.672054][ T12] worker_thread+0x4f1/0xd60 [ 26.672057][ T12] ? rescuer_thread+0x1340/0x1340 [ 26.672059][ T12] kthread+0x367/0x460 [ 26.672060][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 26.672062][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 26.672064][ T12] ret_from_fork+0x474/0x6b0 [ 26.672066][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 26.672068][ T12] ? __switch_to+0x5a3/0xe00 [ 26.672070][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 26.672072][ T12] ret_from_fork_asm+0x11/0x20 [ 26.672076][ T12] [ 26.690769][ T12] w3: left promiscuous mode [ 26.691050][ T12] br1: port 5(w3) entered disabled state [ 26.691817][ T12] w1: left allmulticast mode [ 26.691962][ T12] w1: left promiscuous mode [ 26.692162][ T12] br1: port 4(w1) entered disabled state [ 26.693856][ T12] vx4001: left allmulticast mode [ 26.693991][ T12] vx4001: left promiscuous mode [ 26.694183][ T12] br1: port 3(vx4001) entered disabled state [ 26.695442][ T12] vx20: left allmulticast mode [ 26.695581][ T12] vx20: left promiscuous mode [ 26.695769][ T12] br1: port 2(vx20) entered disabled state [ 26.701964][ T12] vx10: left allmulticast mode [ 26.702315][ T12] vx10: left promiscuous mode [ 26.702528][ T12] br1: port 1(vx10) entered disabled state [ 27.162665][ T66] br1: left promiscuous mode [ 27.288311][ T601] br1: port 4(veth2) entered disabled state [ 27.310182][ T602] veth2: left allmulticast mode [ 27.311141][ T602] veth2: left promiscuous mode [ 27.311430][ T602] br1: port 4(veth2) entered disabled state [ 27.345401][ T604] br1: port 3(veth1) entered disabled state [ 27.360822][ T605] veth1: left allmulticast mode [ 27.360979][ T605] veth1: left promiscuous mode [ 27.361175][ T605] br1: port 3(veth1) entered disabled state [ 27.397517][ T607] vx4001: left allmulticast mode [ 27.397674][ T607] vx4001: left promiscuous mode [ 27.397870][ T607] br1: port 5(vx4001) entered disabled state [ 27.475124][ T611] vx20: left allmulticast mode [ 27.475353][ T611] vx20: left promiscuous mode [ 27.475610][ T611] br1: port 2(vx20) entered disabled state [ 27.558888][ T615] vx10: left allmulticast mode [ 27.559056][ T615] vx10: left promiscuous mode [ 27.559259][ T615] br1: port 1(vx10) entered disabled state