[ 10.892496][ T246] br1: port 1(veth1) entered blocking state [ 10.892574][ T246] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.892576][ T246] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 246, name: ip [ 10.892578][ T246] preempt_count: 1, expected: 0 [ 10.892579][ T246] RCU nest depth: 0, expected: 0 [ 10.892580][ T246] locks held by ip/246: 5, last CPU#1: [ 10.892582][ T246] #0: ffffffff964d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 10.892594][ T246] #1: ffffffff95d69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.892600][ T246] #2: ffffffff95d69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.892608][ T246] #3: ffffffff95c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.892612][ T246] #4: ffffffff95c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.892616][ T246] irq event stamp: 12440 [ 10.892617][ T246] hardirqs last enabled at (12439): [] __down_trylock_console_sem+0x86/0xa0 [ 10.892619][ T246] hardirqs last disabled at (12440): [] console_emit_next_record+0x3d4/0x4c0 [ 10.892621][ T246] softirqs last enabled at (12350): [] __alloc_skb+0x4c2/0x5f0 [ 10.892625][ T246] softirqs last disabled at (12348): [] __alloc_skb+0x4c2/0x5f0 [ 10.892627][ T246] Preemption disabled at: [ 10.892628][ T246] [] vprintk_emit+0x31b/0x3e0 [ 10.892634][ T246] CPU: 1 UID: 0 PID: 246 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.892637][ T246] Tainted: [W]=WARN [ 10.892638][ T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.892640][ T246] Call Trace: [ 10.892641][ T246] [ 10.892643][ T246] dump_stack_lvl+0x6f/0xa0 [ 10.892649][ T246] ? vprintk_emit+0x31b/0x3e0 [ 10.892651][ T246] __might_resched.cold+0x1fe/0x2c1 [ 10.892655][ T246] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.892660][ T246] ? __kmalloc_noprof+0xdb/0x760 [ 10.892665][ T246] __kmalloc_noprof+0x443/0x760 [ 10.892667][ T246] ? alloc_buf.isra.0+0x4b/0x260 [ 10.892673][ T246] ? do_raw_spin_unlock+0x59/0x250 [ 10.892675][ T246] alloc_buf.isra.0+0x4b/0x260 [ 10.892679][ T246] put_chars+0x1e1/0x2f0 [ 10.892681][ T246] ? __send_to_port+0x420/0x420 [ 10.892686][ T246] ? validate_chain+0x34a/0xc20 [ 10.892689][ T246] hvc_console_print+0x292/0x780 [ 10.892692][ T246] ? mark_usage+0x61/0x170 [ 10.892694][ T246] ? __lock_acquire+0x518/0xc20 [ 10.892696][ T246] ? __lock_acquire+0x518/0xc20 [ 10.892700][ T246] ? hvc_write+0x3a0/0x3a0 [ 10.892702][ T246] ? console_emit_next_record+0x1df/0x4c0 [ 10.892705][ T246] ? rcu_is_watching+0x16/0xd0 [ 10.892709][ T246] ? lock_acquire+0x13c/0x160 [ 10.892713][ T246] console_emit_next_record+0x22f/0x4c0 [ 10.892717][ T246] ? devkmsg_read+0x4b0/0x4b0 [ 10.892719][ T246] ? console_flush_one_record+0x106/0x710 [ 10.892722][ T246] ? rcu_is_watching+0x16/0xd0 [ 10.892724][ T246] ? lock_acquire+0x13c/0x160 [ 10.892728][ T246] console_flush_one_record+0x46f/0x710 [ 10.892732][ T246] ? console_emit_next_record+0x4c0/0x4c0 [ 10.892734][ T246] ? __lock_acquire+0x518/0xc20 [ 10.892739][ T246] console_unlock+0xee/0x1f0 [ 10.892742][ T246] ? console_flush_one_record+0x710/0x710 [ 10.892744][ T246] ? rcu_is_watching+0x16/0xd0 [ 10.892746][ T246] ? lock_acquire+0x60/0x160 [ 10.892750][ T246] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.892752][ T246] ? vprintk_emit+0x320/0x3e0 [ 10.892755][ T246] vprintk_emit+0x37c/0x3e0 [ 10.892759][ T246] ? wake_up_klogd_work_func+0x90/0x90 [ 10.892761][ T246] ? __lock_release.isra.0+0x69/0x1a0 [ 10.892763][ T246] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 10.892767][ T246] ? mark_held_locks+0x40/0x70 [ 10.892771][ T246] _printk+0xc7/0x100 [ 10.892775][ T246] ? snapshot_read.cold+0x21/0x21 [ 10.892779][ T246] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 10.892791][ T246] ? do_setlink.isra.0+0xa31/0x2750 [ 10.892793][ T246] ? rtnl_newlink+0x9f1/0x11c0 [ 10.892794][ T246] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.892798][ T246] br_set_state+0x22f/0x430 [bridge] [ 10.892809][ T246] br_init_port+0xc4/0x200 [bridge] [ 10.892817][ T246] new_nbp+0x39c/0x580 [bridge] [ 10.892826][ T246] br_add_if+0x212/0x1320 [bridge] [ 10.892833][ T246] ? is_bpf_text_address+0x72/0x110 [ 10.892837][ T246] ? kernel_text_address+0x149/0x170 [ 10.892840][ T246] ? __kernel_text_address+0x12/0x30 [ 10.892844][ T246] do_set_master+0x357/0x580 [ 10.892849][ T246] do_setlink.isra.0+0xa31/0x2750 [ 10.892852][ T246] ? stack_trace_save+0x93/0xc0 [ 10.892855][ T246] ? rtnl_link_get_size+0x350/0x350 [ 10.892856][ T246] ? rcu_read_lock_any_held+0x66/0x90 [ 10.892859][ T246] ? stack_depot_save_flags+0x38e/0x790 [ 10.892863][ T246] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.892865][ T246] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.892867][ T246] ? validate_chain+0x38b/0xc20 [ 10.892870][ T246] ? kasan_save_stack+0x3d/0x50 [ 10.892873][ T246] ? kasan_save_stack+0x2f/0x50 [ 10.892874][ T246] ? kasan_save_track+0x14/0x30 [ 10.892877][ T246] ? __lock_acquire+0x518/0xc20 [ 10.892879][ T246] ? netlink_seq_next+0xe/0x60 [ 10.892882][ T246] ? ___sys_sendmsg+0xb0/0x1d0 [ 10.892886][ T246] ? lock_acquire.part.0+0xd4/0x280 [ 10.892888][ T246] ? rtnl_newlink+0x9a8/0x11c0 [ 10.892891][ T246] ? rcu_is_watching+0x16/0xd0 [ 10.892893][ T246] ? lock_acquire+0x13c/0x160 [ 10.892895][ T246] ? rcu_is_watching+0x16/0xd0 [ 10.892897][ T246] ? rcu_is_watching+0x16/0xd0 [ 10.892899][ T246] ? trace_contention_end+0xb3/0x180 [ 10.892903][ T246] ? __mutex_lock+0x1db/0x1ea0 [ 10.892905][ T246] ? __mutex_lock+0x9a3/0x1ea0 [ 10.892907][ T246] ? rtnl_newlink+0x9a8/0x11c0 [ 10.892910][ T246] ? ww_mutex_lock+0x160/0x160 [ 10.892912][ T246] ? nla_get_range_signed+0x3d0/0x3d0 [ 10.892917][ T246] ? __rtnl_newlink+0x3fa/0xa50 [ 10.892922][ T246] rtnl_newlink+0x9f1/0x11c0 [ 10.892928][ T246] ? rtnl_bridge_getlink+0x850/0x850 [ 10.892929][ T246] ? __lock_acquire+0x518/0xc20 [ 10.892934][ T246] ? lock_acquire.part.0+0xd4/0x280 [ 10.892936][ T246] ? find_held_lock+0x2b/0x80 [ 10.892938][ T246] ? rtnl_bridge_getlink+0x850/0x850 [ 10.892940][ T246] ? __lock_release.isra.0+0x69/0x1a0 [ 10.892943][ T246] ? rtnl_bridge_getlink+0x850/0x850 [ 10.892946][ T246] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.892949][ T246] ? rtnl_link_fill+0x920/0x920 [ 10.892950][ T246] ? __lock_acquire+0x518/0xc20 [ 10.892954][ T246] ? lock_acquire.part.0+0xd4/0x280 [ 10.892956][ T246] ? find_held_lock+0x2b/0x80 [ 10.892960][ T246] netlink_rcv_skb+0x14e/0x3a0 [ 10.892962][ T246] ? rtnl_link_fill+0x920/0x920 [ 10.892964][ T246] ? netlink_ack+0xcf0/0xcf0 [ 10.892970][ T246] ? netlink_deliver_tap+0xc5/0x330 [ 10.892972][ T246] ? netlink_deliver_tap+0x13c/0x330 [ 10.892976][ T246] netlink_unicast+0x486/0x750 [ 10.892980][ T246] ? netlink_attachskb+0x810/0x810 [ 10.892983][ T246] ? __lock_acquire+0x518/0xc20 [ 10.892987][ T246] netlink_sendmsg+0x735/0xc60 [ 10.892990][ T246] ? netlink_unicast+0x750/0x750 [ 10.892994][ T246] ? __might_fault+0x97/0x140 [ 10.893000][ T246] ____sys_sendmsg+0x415/0x880 [ 10.893002][ T246] ? copy_msghdr_from_user+0x279/0x420 [ 10.893004][ T246] ? get_timestamp.constprop.0+0x390/0x390 [ 10.893006][ T246] ? move_addr_to_kernel+0x40/0x40 [ 10.893013][ T246] ___sys_sendmsg+0x14e/0x1d0 [ 10.893016][ T246] ? copy_msghdr_from_user+0x420/0x420 [ 10.893032][ T246] __sys_sendmsg+0x12c/0x1d0 [ 10.893035][ T246] ? __sys_sendmsg_sock+0x20/0x20 [ 10.893041][ T246] ? rcu_is_watching+0x16/0xd0 [ 10.893045][ T246] do_syscall_64+0xff/0x530 [ 10.893047][ T246] ? exc_page_fault+0xee/0x100 [ 10.893050][ T246] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.893052][ T246] RIP: 0033:0x7fd36e1e754e [ 10.893056][ T246] 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 [ 10.893058][ T246] RSP: 002b:00007ffd201f0d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.893061][ T246] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd36e1e754e [ 10.893062][ T246] RDX: 0000000000000000 RSI: 00007ffd201f0df0 RDI: 0000000000000005 [ 10.893063][ T246] RBP: 00007ffd201f0d50 R08: 0000000000000000 R09: 0000000000000000 [ 10.893064][ T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ff9 [ 10.893064][ T246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd201f14b0 [ 10.893071][ T246] [ 10.931666][ T246] br1: port 1(veth1) entered disabled state [ 10.931991][ T246] veth1: entered allmulticast mode [ 10.933575][ T246] veth1: entered promiscuous mode [ 10.950048][ T246] ip (246) used greatest stack depth: 23336 bytes left [ 10.976114][ T36] br1: port 1(veth1) entered blocking state [ 10.976543][ T36] br1: port 1(veth1) entered forwarding state [ 10.998363][ T248] br1: port 2(veth2) entered blocking state [ 10.999225][ T248] br1: port 2(veth2) entered disabled state [ 10.999526][ T248] veth2: entered allmulticast mode [ 11.001067][ T248] veth2: entered promiscuous mode [ 11.037568][ T39] br1: port 2(veth2) entered blocking state [ 11.037883][ T39] br1: port 2(veth2) entered forwarding state [ 18.690136][ T301] GACT probability NOT on [ 18.690152][ T301] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 18.690155][ T301] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 301, name: modprobe [ 18.690157][ T301] preempt_count: 1, expected: 0 [ 18.690158][ T301] RCU nest depth: 0, expected: 0 [ 18.690159][ T301] locks held by modprobe/301: 4, last CPU#2: [ 18.690161][ T301] #0: ffffffff95d69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 18.690174][ T301] #1: ffffffff95d69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 18.690178][ T301] #2: ffffffff95c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 18.690183][ T301] #3: ffffffff95c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 18.690187][ T301] irq event stamp: 30452 [ 18.690188][ T301] hardirqs last enabled at (30451): [] __down_trylock_console_sem+0x86/0xa0 [ 18.690191][ T301] hardirqs last disabled at (30452): [] console_emit_next_record+0x3d4/0x4c0 [ 18.690193][ T301] softirqs last enabled at (28492): [] handle_softirqs+0x67c/0x900 [ 18.690196][ T301] softirqs last disabled at (27873): [] __irq_exit_rcu+0x145/0x1c0 [ 18.690198][ T301] Preemption disabled at: [ 18.690199][ T301] [] vprintk_emit+0x31b/0x3e0 [ 18.690205][ T301] CPU: 2 UID: 0 PID: 301 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 18.690209][ T301] Tainted: [W]=WARN [ 18.690210][ T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.690211][ T301] Call Trace: [ 18.690213][ T301] [ 18.690214][ T301] dump_stack_lvl+0x6f/0xa0 [ 18.690220][ T301] ? vprintk_emit+0x31b/0x3e0 [ 18.690222][ T301] __might_resched.cold+0x1fe/0x2c1 [ 18.690227][ T301] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 18.690231][ T301] ? __kmalloc_noprof+0xdb/0x760 [ 18.690236][ T301] __kmalloc_noprof+0x443/0x760 [ 18.690238][ T301] ? alloc_buf.isra.0+0x4b/0x260 [ 18.690244][ T301] ? do_raw_spin_unlock+0x59/0x250 [ 18.690248][ T301] alloc_buf.isra.0+0x4b/0x260 [ 18.690251][ T301] put_chars+0x1e1/0x2f0 [ 18.690253][ T301] ? desc_read_finalized_seq+0x79/0x120 [ 18.690255][ T301] ? __send_to_port+0x420/0x420 [ 18.690258][ T301] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.690262][ T301] ? validate_chain+0x38b/0xc20 [ 18.690266][ T301] hvc_console_print+0x292/0x780 [ 18.690269][ T301] ? __lock_acquire+0x518/0xc20 [ 18.690270][ T301] ? __lock_acquire+0x518/0xc20 [ 18.690275][ T301] ? hvc_write+0x3a0/0x3a0 [ 18.690276][ T301] ? console_emit_next_record+0x1df/0x4c0 [ 18.690280][ T301] ? rcu_is_watching+0x16/0xd0 [ 18.690283][ T301] ? lock_acquire+0x13c/0x160 [ 18.690287][ T301] console_emit_next_record+0x22f/0x4c0 [ 18.690291][ T301] ? devkmsg_read+0x4b0/0x4b0 [ 18.690292][ T301] ? console_flush_one_record+0x106/0x710 [ 18.690296][ T301] ? rcu_is_watching+0x16/0xd0 [ 18.690298][ T301] ? lock_acquire+0x13c/0x160 [ 18.690302][ T301] console_flush_one_record+0x46f/0x710 [ 18.690306][ T301] ? console_emit_next_record+0x4c0/0x4c0 [ 18.690308][ T301] ? __lock_acquire+0x518/0xc20 [ 18.690313][ T301] console_unlock+0xee/0x1f0 [ 18.690316][ T301] ? console_flush_one_record+0x710/0x710 [ 18.690318][ T301] ? rcu_is_watching+0x16/0xd0 [ 18.690320][ T301] ? lock_acquire+0x60/0x160 [ 18.690324][ T301] ? __down_trylock_console_sem+0x5e/0xa0 [ 18.690326][ T301] ? vprintk_emit+0x320/0x3e0 [ 18.690329][ T301] vprintk_emit+0x37c/0x3e0 [ 18.690334][ T301] ? wake_up_klogd_work_func+0x90/0x90 [ 18.690339][ T301] ? llc_exit+0x3e0/0x3e0 [llc] [ 18.690343][ T301] _printk+0xc7/0x100 [ 18.690347][ T301] ? snapshot_read.cold+0x21/0x21 [ 18.690353][ T301] ? do_one_initcall+0x113/0x4f0 [ 18.690356][ T301] gact_init_module+0x15/0x1000 [act_gact] [ 18.690359][ T301] do_one_initcall+0x124/0x4f0 [ 18.690362][ T301] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 18.690366][ T301] ? do_init_module+0xae/0x8a0 [ 18.690369][ T301] ? kasan_unpoison+0x44/0x70 [ 18.690374][ T301] do_init_module+0x2ad/0x8a0 [ 18.690378][ T301] ? lockdep_hardirqs_on+0x91/0x130 [ 18.690382][ T301] ? free_module+0x470/0x470 [ 18.690385][ T301] ? kfree+0x123/0x590 [ 18.690390][ T301] load_module+0x1424/0x1bb0 [ 18.690397][ T301] ? layout_and_allocate.isra.0+0x680/0x680 [ 18.690401][ T301] ? __ia32_sys_fsconfig+0x180/0x180 [ 18.690404][ T301] ? find_held_lock+0x2b/0x80 [ 18.690407][ T301] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.690411][ T301] init_module_from_file+0x11f/0x1a0 [ 18.690414][ T301] ? __do_sys_init_module+0x220/0x220 [ 18.690422][ T301] ? __rwlock_init+0x150/0x150 [ 18.690426][ T301] ? do_raw_spin_unlock+0x59/0x250 [ 18.690429][ T301] idempotent_init_module+0x37b/0x7c0 [ 18.690433][ T301] ? init_module_from_file+0x1a0/0x1a0 [ 18.690439][ T301] ? rcu_is_watching+0x16/0xd0 [ 18.690441][ T301] ? cap_capable+0x1d7/0x3d0 [ 18.690448][ T301] __x64_sys_finit_module+0xdf/0x190 [ 18.690450][ T301] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 18.690454][ T301] do_syscall_64+0xff/0x530 [ 18.690456][ T301] ? exc_page_fault+0xee/0x100 [ 18.690459][ T301] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.690461][ T301] RIP: 0033:0x7f65c2faa37d [ 18.690465][ T301] 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 [ 18.690467][ T301] RSP: 002b:00007ffdceaa78d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 18.690469][ T301] RAX: ffffffffffffffda RBX: 000056411949b810 RCX: 00007f65c2faa37d [ 18.690471][ T301] RDX: 0000000000000000 RSI: 0000564116c23ffd RDI: 0000000000000000 [ 18.690472][ T301] RBP: 00007ffdceaa7970 R08: 0000000000000000 R09: 0000000000000000 [ 18.690472][ T301] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564116c23ffd [ 18.690473][ T301] R13: 000056411949b960 R14: 0000000000040000 R15: 0000000000000000 [ 18.690480][ T301] [ 26.486649][ C2] [ 26.486662][ C2] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.486665][ C2] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/2 [ 26.486666][ C2] preempt_count: 104, expected: 0 [ 26.486667][ C2] RCU nest depth: 0, expected: 0 [ 26.486668][ C2] INFO: lockdep is turned off. [ 26.486669][ C2] irq event stamp: 961844 [ 26.486670][ C2] hardirqs last enabled at (961844): [] _raw_spin_unlock_irq+0x28/0x50 [ 26.486678][ C2] hardirqs last disabled at (961843): [] _raw_spin_lock_irq+0x4a/0x50 [ 26.486681][ C2] softirqs last enabled at (961834): [] handle_softirqs+0x67c/0x900 [ 26.486685][ C2] softirqs last disabled at (961841): [] __irq_exit_rcu+0x145/0x1c0 [ 26.486686][ C2] Preemption disabled at: [ 26.486687][ C2] [<0000000000000000>] 0x0 [ 26.486693][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.486697][ C2] Tainted: [W]=WARN [ 26.486698][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.486699][ C2] Call Trace: [ 26.486701][ C2] [ 26.486703][ C2] dump_stack_lvl+0x6f/0xa0 [ 26.486708][ C2] __might_resched.cold+0x1fe/0x2c1 [ 26.486712][ C2] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.486716][ C2] ? __asan_memcpy+0x3c/0x60 [ 26.486719][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.486723][ C2] __kmalloc_noprof+0x443/0x760 [ 26.486726][ C2] ? __rwlock_init+0x150/0x150 [ 26.486729][ C2] ? alloc_buf.isra.0+0x4b/0x260 [ 26.486733][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 26.486734][ C2] alloc_buf.isra.0+0x4b/0x260 [ 26.486737][ C2] put_chars+0x1e1/0x2f0 [ 26.486739][ C2] ? __send_to_port+0x420/0x420 [ 26.486740][ C2] ? console_prepend_replay+0x20/0x20 [ 26.486744][ C2] hvc_console_print+0x292/0x780 [ 26.486748][ C2] ? hvc_write+0x3a0/0x3a0 [ 26.486749][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.486751][ C2] ? lock_acquire+0x13c/0x160 [ 26.486753][ C2] console_emit_next_record+0x22f/0x4c0 [ 26.486756][ C2] ? devkmsg_read+0x4b0/0x4b0 [ 26.486758][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.486759][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.486761][ C2] ? lock_acquire+0x13c/0x160 [ 26.486763][ C2] ? console_flush_one_record+0x111/0x710 [ 26.486764][ C2] console_flush_one_record+0x46f/0x710 [ 26.486767][ C2] ? console_emit_next_record+0x4c0/0x4c0 [ 26.486770][ C2] console_unlock+0xee/0x1f0 [ 26.486771][ C2] ? lock_acquire+0x13c/0x160 [ 26.486773][ C2] ? console_flush_one_record+0x710/0x710 [ 26.486774][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.486776][ C2] ? lock_release+0x184/0x1f0 [ 26.486778][ C2] ? lock_acquire+0x60/0x160 [ 26.486780][ C2] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.486781][ C2] ? vprintk_emit+0x320/0x3e0 [ 26.486783][ C2] vprintk_emit+0x37c/0x3e0 [ 26.486786][ C2] ? wake_up_klogd_work_func+0x90/0x90 [ 26.486787][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.486799][ C2] ? lock_release+0x184/0x1f0 [ 26.486801][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.486807][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.486813][ C2] ? is_module_text_address+0x154/0x250 [ 26.486817][ C2] _printk+0xc7/0x100 [ 26.486820][ C2] ? snapshot_read.cold+0x21/0x21 [ 26.486822][ C2] ? arch_stack_walk+0xd7/0x130 [ 26.486827][ C2] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.486829][ C2] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 26.486831][ C2] print_irq_inversion_bug.part.0+0x32/0xc0 [ 26.486833][ C2] mark_lock_irq+0x989/0x9c0 [ 26.486836][ C2] mark_lock+0x1d7/0xa00 [ 26.486838][ C2] mark_usage+0x42/0x170 [ 26.486840][ C2] __lock_acquire+0x388/0xc20 [ 26.486842][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.486844][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.486850][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.486852][ C2] ? lock_acquire+0x13c/0x160 [ 26.486854][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.486860][ C2] _raw_spin_lock+0x33/0x40 [ 26.486861][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.486867][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.486874][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.486880][ C2] call_timer_fn+0x160/0x4d0 [ 26.486883][ C2] ? detach_if_pending+0x1d0/0x1d0 [ 26.486884][ C2] ? debug_object_active_state+0x430/0x430 [ 26.486888][ C2] ? find_held_lock+0x2b/0x80 [ 26.486890][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 26.486892][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.486894][ C2] __run_timers+0x68f/0xaa0 [ 26.486896][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.486903][ C2] ? __bpf_trace_itimer_expire+0x10/0x10 [ 26.486904][ C2] ? __lock_acquire+0x518/0xc20 [ 26.486907][ C2] ? __rwlock_init+0x150/0x150 [ 26.486909][ C2] run_timer_softirq+0xf0/0x160 [ 26.486912][ C2] ? __run_timers+0xaa0/0xaa0 [ 26.486913][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 26.486916][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.486917][ C2] handle_softirqs+0x1d3/0x900 [ 26.486919][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 26.486921][ C2] ? _local_bh_enable+0xc0/0xc0 [ 26.486923][ C2] __irq_exit_rcu+0x145/0x1c0 [ 26.486924][ C2] irq_exit_rcu+0xe/0x30 [ 26.486926][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.486929][ C2] [ 26.486929][ C2] [ 26.486930][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 26.486932][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.486934][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 26.486937][ C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 26.486938][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 26.486942][ C2] RAX: 00000000000ead2f RBX: ff11000001bec6c0 RCX: ffffffff92af0307 [ 26.486943][ C2] RDX: ff11000001bec6c0 RSI: ffffffff95838af6 RDI: ffffffff9528d8e0 [ 26.486944][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.486945][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 26.486946][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 26.486947][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.486950][ C2] default_idle+0x9/0x10 [ 26.486952][ C2] default_idle_call+0x6e/0xb0 [ 26.486954][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.486956][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 26.486957][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 26.486960][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.486961][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.486963][ C2] do_idle+0xd8/0x190 [ 26.486965][ C2] cpu_startup_entry+0x53/0x70 [ 26.486967][ C2] start_secondary+0x204/0x2b0 [ 26.486968][ C2] ? set_cpu_sibling_map+0x2130/0x2130 [ 26.486970][ C2] common_startup_64+0x13e/0x148 [ 26.486975][ C2] [ 26.505360][ C2] ======================================================== [ 26.505611][ C2] WARNING: possible irq lock inversion dependency detected [ 26.505857][ C2] 7.2.0-virtme #1 Tainted: G W [ 26.506025][ C2] -------------------------------------------------------- [ 26.506269][ C2] swapper/2/0 just changed the state of lock: [ 26.506481][ C2] ff1100000a5e2e58 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.506804][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 26.507003][ C2] (fs_reclaim){+.+.}-{0:0} [ 26.507006][ C2] [ 26.507006][ C2] [ 26.507006][ C2] and interrupts could create inverse lock ordering between them. [ 26.507006][ C2] [ 26.507601][ C2] [ 26.507601][ C2] other info that might help us debug this: [ 26.507847][ C2] Chain exists of: [ 26.507847][ C2] &br->lock --> console_owner --> fs_reclaim [ 26.507847][ C2] [ 26.508201][ C2] Possible interrupt unsafe locking scenario: [ 26.508201][ C2] [ 26.508447][ C2] CPU0 CPU1 [ 26.508580][ C2] ---- ---- [ 26.508719][ C2] lock(fs_reclaim); [ 26.508824][ C2] local_irq_disable(); [ 26.509037][ C2] lock(&br->lock); [ 26.509255][ C2] lock(console_owner); [ 26.509422][ C2] [ 26.509580][ C2] lock(&br->lock); [ 26.509689][ C2] [ 26.509689][ C2] *** DEADLOCK *** [ 26.509689][ C2] [ 26.509928][ C2] locks held by swapper/2/0: 1, last CPU#2: [ 26.510096][ C2] #0: ffa0000000228c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 26.510417][ C2] [ 26.510417][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 26.510698][ C2] -> (fs_reclaim){+.+.}-{0:0} { [ 26.510887][ C2] HARDIRQ-ON-W at: [ 26.510990][ C2] __lock_acquire+0x388/0xc20 [ 26.511212][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.511386][ C2] fs_reclaim_acquire+0xd5/0x120 [ 26.511611][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 26.511864][ C2] kthread_create_worker_on_node+0xea/0x210 [ 26.512067][ C2] workqueue_init+0x2a/0x680 [ 26.512291][ C2] kernel_init_freeable+0x2fe/0x630 [ 26.512543][ C2] kernel_init+0x21/0x150 [ 26.512722][ C2] ret_from_fork+0x474/0x6b0 [ 26.512938][ C2] ret_from_fork_asm+0x11/0x20 [ 26.513159][ C2] SOFTIRQ-ON-W at: [ 26.513261][ C2] __lock_acquire+0x388/0xc20 [ 26.513476][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.513652][ C2] fs_reclaim_acquire+0xd5/0x120 [ 26.513868][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 26.514124][ C2] kthread_create_worker_on_node+0xea/0x210 [ 26.514327][ C2] workqueue_init+0x2a/0x680 [ 26.514545][ C2] kernel_init_freeable+0x2fe/0x630 [ 26.514806][ C2] kernel_init+0x21/0x150 [ 26.514976][ C2] ret_from_fork+0x474/0x6b0 [ 26.515195][ C2] ret_from_fork_asm+0x11/0x20 [ 26.515416][ C2] INITIAL USE at: [ 26.515519][ C2] __lock_acquire+0x388/0xc20 [ 26.515742][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.515912][ C2] fs_reclaim_acquire+0xd5/0x120 [ 26.516130][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 26.516380][ C2] kthread_create_worker_on_node+0xea/0x210 [ 26.516588][ C2] workqueue_init+0x2a/0x680 [ 26.516764][ C2] kernel_init_freeable+0x2fe/0x630 [ 26.516982][ C2] kernel_init+0x21/0x150 [ 26.517158][ C2] ret_from_fork+0x474/0x6b0 [ 26.517374][ C2] ret_from_fork_asm+0x11/0x20 [ 26.517591][ C2] } [ 26.517666][ C2] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 26.517918][ C2] ... acquired at: [ 26.518021][ C2] __lock_acquire+0x518/0xc20 [ 26.518160][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.518340][ C2] fs_reclaim_acquire+0xd5/0x120 [ 26.518475][ C2] __kmalloc_noprof+0xd3/0x760 [ 26.518662][ C2] alloc_buf.isra.0+0x4b/0x260 [ 26.518796][ C2] put_chars+0x1e1/0x2f0 [ 26.518978][ C2] hvc_console_print+0x292/0x780 [ 26.519117][ C2] console_emit_next_record+0x22f/0x4c0 [ 26.519299][ C2] console_flush_one_record+0x46f/0x710 [ 26.519434][ C2] console_unlock+0xee/0x1f0 [ 26.519622][ C2] vprintk_emit+0x37c/0x3e0 [ 26.519758][ C2] dev_vprintk_emit+0x27f/0x2c0 [ 26.519940][ C2] dev_printk_emit+0xb9/0xee [ 26.520075][ C2] _dev_info+0xe2/0x116 [ 26.520228][ C2] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 26.520398][ C2] cmos_do_probe+0x73b/0x98a [ 26.520579][ C2] platform_probe+0xfe/0x1f0 [ 26.524429][ C2] call_driver_probe+0x61/0x1c0 [ 26.524628][ C2] really_probe+0x199/0x760 [ 26.524765][ C2] __driver_probe_device+0x24f/0x440 [ 26.524945][ C2] driver_probe_device+0x4a/0xf0 [ 26.525086][ C2] __driver_attach+0x1b8/0x540 [ 26.525268][ C2] bus_for_each_dev+0x130/0x1e0 [ 26.525401][ C2] bus_add_driver+0x2c8/0x530 [ 26.525584][ C2] driver_register+0x1a3/0x390 [ 26.525724][ C2] __platform_driver_probe+0x13f/0x270 [ 26.525905][ C2] cmos_init+0x31/0x40 [ 26.526007][ C2] do_one_initcall+0x124/0x4f0 [ 26.526190][ C2] kernel_init_freeable+0x596/0x630 [ 26.526328][ C2] kernel_init+0x21/0x150 [ 26.526509][ C2] ret_from_fork+0x474/0x6b0 [ 26.526646][ C2] ret_from_fork_asm+0x11/0x20 [ 26.526824][ C2] [ 26.526893][ C2] -> (console_owner){....}-{0:0} { [ 26.527077][ C2] INITIAL USE at: [ 26.527182][ C2] } [ 26.527250][ C2] ... key at: [] console_owner_dep_map+0x0/0x60 [ 26.527494][ C2] ... acquired at: [ 26.527593][ C2] __lock_acquire+0x518/0xc20 [ 26.527777][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.527907][ C2] console_lock_spinning_enable+0x5c/0x60 [ 26.528122][ C2] console_emit_next_record+0x1d1/0x4c0 [ 26.528256][ C2] console_flush_one_record+0x46f/0x710 [ 26.528434][ C2] console_unlock+0xee/0x1f0 [ 26.528566][ C2] vprintk_emit+0x37c/0x3e0 [ 26.528754][ C2] _printk+0xc7/0x100 [ 26.528856][ C2] br_set_state+0x22f/0x430 [bridge] [ 26.529041][ C2] br_init_port+0xc4/0x200 [bridge] [ 26.529184][ C2] br_stp_enable_port+0x12/0x50 [bridge] [ 26.529399][ C2] br_port_carrier_check+0x220/0x430 [bridge] [ 26.529624][ C2] br_device_event+0x52d/0x8f0 [bridge] [ 26.529763][ C2] notifier_call_chain+0xae/0x300 [ 26.529945][ C2] netif_state_change+0x139/0x340 [ 26.530081][ C2] __linkwatch_run_queue+0x34c/0x750 [ 26.530269][ C2] linkwatch_event+0x7f/0xb0 [ 26.530404][ C2] process_one_work+0xe3e/0x1560 [ 26.530584][ C2] worker_thread+0x4f1/0xd60 [ 26.530723][ C2] kthread+0x367/0x460 [ 26.530823][ C2] ret_from_fork+0x474/0x6b0 [ 26.531002][ C2] ret_from_fork_asm+0x11/0x20 [ 26.531139][ C2] [ 26.531249][ C2] -> (&br->lock){+.-.}-{3:3} { [ 26.531387][ C2] HARDIRQ-ON-W at: [ 26.531534][ C2] __lock_acquire+0x388/0xc20 [ 26.531710][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.531927][ C2] _raw_spin_lock_bh+0x38/0x50 [ 26.532098][ C2] recalculate_group_addr+0x51/0x120 [bridge] [ 26.532355][ C2] br_vlan_filter_toggle+0x85/0x110 [bridge] [ 26.532614][ C2] br_changelink+0x575/0x16e0 [bridge] [ 26.532833][ C2] br_dev_newlink+0xeb/0x160 [bridge] [ 26.533007][ C2] rtnl_newlink_create+0x2d0/0x750 [ 26.533229][ C2] __rtnl_newlink+0x22b/0xa50 [ 26.533397][ C2] rtnl_newlink+0x9f1/0x11c0 [ 26.533618][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.533832][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 26.534001][ C2] netlink_unicast+0x486/0x750 [ 26.534222][ C2] netlink_sendmsg+0x735/0xc60 [ 26.534438][ C2] ____sys_sendmsg+0x415/0x880 [ 26.534614][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 26.534831][ C2] __sys_sendmsg+0x12c/0x1d0 [ 26.535000][ C2] do_syscall_64+0xff/0x530 [ 26.535220][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.535472][ C2] IN-SOFTIRQ-W at: [ 26.535573][ C2] __lock_acquire+0x388/0xc20 [ 26.535792][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.535959][ C2] _raw_spin_lock+0x33/0x40 [ 26.536180][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.536434][ C2] call_timer_fn+0x160/0x4d0 [ 26.536610][ C2] __run_timers+0x68f/0xaa0 [ 26.536779][ C2] run_timer_softirq+0xf0/0x160 [ 26.536997][ C2] handle_softirqs+0x1d3/0x900 [ 26.537173][ C2] __irq_exit_rcu+0x145/0x1c0 [ 26.537387][ C2] irq_exit_rcu+0xe/0x30 [ 26.537610][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.537813][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.538062][ C2] pv_native_safe_halt+0xf/0x10 [ 26.538285][ C2] default_idle+0x9/0x10 [ 26.538455][ C2] default_idle_call+0x6e/0xb0 [ 26.538677][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.538931][ C2] do_idle+0xd8/0x190 [ 26.539066][ C2] cpu_startup_entry+0x53/0x70 [ 26.539285][ C2] start_secondary+0x204/0x2b0 [ 26.539456][ C2] common_startup_64+0x13e/0x148 [ 26.539678][ C2] INITIAL USE at: [ 26.539779][ C2] __lock_acquire+0x388/0xc20 [ 26.539995][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.540215][ C2] _raw_spin_lock_bh+0x38/0x50 [ 26.540383][ C2] recalculate_group_addr+0x51/0x120 [bridge] [ 26.540645][ C2] br_vlan_filter_toggle+0x85/0x110 [bridge] [ 26.540900][ C2] br_changelink+0x575/0x16e0 [bridge] [ 26.541078][ C2] br_dev_newlink+0xeb/0x160 [bridge] [ 26.541299][ C2] rtnl_newlink_create+0x2d0/0x750 [ 26.541514][ C2] __rtnl_newlink+0x22b/0xa50 [ 26.541687][ C2] rtnl_newlink+0x9f1/0x11c0 [ 26.541901][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.542119][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 26.542288][ C2] netlink_unicast+0x486/0x750 [ 26.542507][ C2] netlink_sendmsg+0x735/0xc60 [ 26.542679][ C2] ____sys_sendmsg+0x415/0x880 [ 26.542897][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 26.543117][ C2] __sys_sendmsg+0x12c/0x1d0 [ 26.543289][ C2] do_syscall_64+0xff/0x530 [ 26.543508][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.543761][ C2] } [ 26.543828][ C2] ... key at: [] __key.7+0x0/0x40 [bridge] [ 26.544073][ C2] ... acquired at: [ 26.544174][ C2] mark_lock+0x1d7/0xa00 [ 26.544352][ C2] mark_usage+0x42/0x170 [ 26.544485][ C2] __lock_acquire+0x388/0xc20 [ 26.544626][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.544760][ C2] _raw_spin_lock+0x33/0x40 [ 26.544939][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.545114][ C2] call_timer_fn+0x160/0x4d0 [ 26.545293][ C2] __run_timers+0x68f/0xaa0 [ 26.545426][ C2] run_timer_softirq+0xf0/0x160 [ 26.545612][ C2] handle_softirqs+0x1d3/0x900 [ 26.545746][ C2] __irq_exit_rcu+0x145/0x1c0 [ 26.545930][ C2] irq_exit_rcu+0xe/0x30 [ 26.546061][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.546274][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.546442][ C2] pv_native_safe_halt+0xf/0x10 [ 26.546628][ C2] default_idle+0x9/0x10 [ 26.546766][ C2] default_idle_call+0x6e/0xb0 [ 26.546949][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.547169][ C2] do_idle+0xd8/0x190 [ 26.547269][ C2] cpu_startup_entry+0x53/0x70 [ 26.547402][ C2] start_secondary+0x204/0x2b0 [ 26.547582][ C2] common_startup_64+0x13e/0x148 [ 26.547726][ C2] [ 26.547838][ C2] [ 26.547838][ C2] stack backtrace: [ 26.548008][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.548011][ C2] Tainted: [W]=WARN [ 26.548011][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.548012][ C2] Call Trace: [ 26.548013][ C2] [ 26.548014][ C2] dump_stack_lvl+0x6f/0xa0 [ 26.548018][ C2] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 26.548021][ C2] mark_lock_irq+0x989/0x9c0 [ 26.548024][ C2] mark_lock+0x1d7/0xa00 [ 26.548025][ C2] mark_usage+0x42/0x170 [ 26.548027][ C2] __lock_acquire+0x388/0xc20 [ 26.548029][ C2] lock_acquire.part.0+0xd4/0x280 [ 26.548031][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.548038][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.548041][ C2] ? lock_acquire+0x13c/0x160 [ 26.548043][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.548049][ C2] _raw_spin_lock+0x33/0x40 [ 26.548051][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.548057][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.548063][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.548069][ C2] call_timer_fn+0x160/0x4d0 [ 26.548071][ C2] ? detach_if_pending+0x1d0/0x1d0 [ 26.548073][ C2] ? debug_object_active_state+0x430/0x430 [ 26.548076][ C2] ? find_held_lock+0x2b/0x80 [ 26.548079][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 26.548082][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.548086][ C2] __run_timers+0x68f/0xaa0 [ 26.548088][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.548095][ C2] ? __bpf_trace_itimer_expire+0x10/0x10 [ 26.548096][ C2] ? __lock_acquire+0x518/0xc20 [ 26.548099][ C2] ? __rwlock_init+0x150/0x150 [ 26.548102][ C2] run_timer_softirq+0xf0/0x160 [ 26.548104][ C2] ? __run_timers+0xaa0/0xaa0 [ 26.548105][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 26.548107][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.548109][ C2] handle_softirqs+0x1d3/0x900 [ 26.548111][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 26.548113][ C2] ? _local_bh_enable+0xc0/0xc0 [ 26.548115][ C2] __irq_exit_rcu+0x145/0x1c0 [ 26.548116][ C2] irq_exit_rcu+0xe/0x30 [ 26.548118][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.548119][ C2] [ 26.548120][ C2] [ 26.548121][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 26.548122][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.548124][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 26.548126][ C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 26.548127][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 26.548129][ C2] RAX: 00000000000ead2f RBX: ff11000001bec6c0 RCX: ffffffff92af0307 [ 26.548130][ C2] RDX: ff11000001bec6c0 RSI: ffffffff95838af6 RDI: ffffffff9528d8e0 [ 26.548131][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.548132][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 26.548132][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 26.548134][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.548136][ C2] default_idle+0x9/0x10 [ 26.548138][ C2] default_idle_call+0x6e/0xb0 [ 26.548139][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.548141][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 26.548143][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 26.548144][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.548146][ C2] ? rcu_is_watching+0x16/0xd0 [ 26.548148][ C2] do_idle+0xd8/0x190 [ 26.548150][ C2] cpu_startup_entry+0x53/0x70 [ 26.548151][ C2] start_secondary+0x204/0x2b0 [ 26.548153][ C2] ? set_cpu_sibling_map+0x2130/0x2130 [ 26.548155][ C2] common_startup_64+0x13e/0x148 [ 26.548157][ C2] [ 52.595425][ T1734] br1: port 2(veth2) entered disabled state [ 52.595439][ T1734] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 52.595442][ T1734] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1734, name: ip [ 52.595444][ T1734] preempt_count: 202, expected: 0 [ 52.595444][ T1734] RCU nest depth: 0, expected: 0 [ 52.595445][ T1734] INFO: lockdep is turned off. [ 52.595446][ T1734] irq event stamp: 0 [ 52.595447][ T1734] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.595452][ T1734] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 52.595458][ T1734] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 52.595460][ T1734] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.595461][ T1734] Preemption disabled at: [ 52.595462][ T1734] [<0000000000000000>] 0x0 [ 52.595467][ T1734] CPU: 0 UID: 0 PID: 1734 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 52.595470][ T1734] Tainted: [W]=WARN [ 52.595471][ T1734] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.595473][ T1734] Call Trace: [ 52.595475][ T1734] [ 52.595476][ T1734] dump_stack_lvl+0x6f/0xa0 [ 52.595481][ T1734] __might_resched.cold+0x1fe/0x2c1 [ 52.595486][ T1734] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 52.595489][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595493][ T1734] __kmalloc_noprof+0x443/0x760 [ 52.595497][ T1734] ? __rwlock_init+0x150/0x150 [ 52.595500][ T1734] ? alloc_buf.isra.0+0x4b/0x260 [ 52.595504][ T1734] ? do_raw_spin_unlock+0x59/0x250 [ 52.595505][ T1734] alloc_buf.isra.0+0x4b/0x260 [ 52.595507][ T1734] put_chars+0x1e1/0x2f0 [ 52.595509][ T1734] ? __send_to_port+0x420/0x420 [ 52.595511][ T1734] ? printk_get_next_message+0x240/0x650 [ 52.595515][ T1734] hvc_console_print+0x292/0x780 [ 52.595518][ T1734] ? hvc_write+0x3a0/0x3a0 [ 52.595520][ T1734] ? __rwlock_init+0x150/0x150 [ 52.595522][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595524][ T1734] ? lock_acquire+0x13c/0x160 [ 52.595526][ T1734] console_emit_next_record+0x22f/0x4c0 [ 52.595528][ T1734] ? devkmsg_read+0x4b0/0x4b0 [ 52.595530][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595532][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595534][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595535][ T1734] ? lock_acquire+0x13c/0x160 [ 52.595537][ T1734] ? console_flush_one_record+0x111/0x710 [ 52.595539][ T1734] console_flush_one_record+0x46f/0x710 [ 52.595541][ T1734] ? console_emit_next_record+0x4c0/0x4c0 [ 52.595544][ T1734] console_unlock+0xee/0x1f0 [ 52.595546][ T1734] ? lock_acquire+0x13c/0x160 [ 52.595547][ T1734] ? console_flush_one_record+0x710/0x710 [ 52.595549][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595551][ T1734] ? lock_release+0x184/0x1f0 [ 52.595552][ T1734] ? lock_acquire+0x60/0x160 [ 52.595554][ T1734] ? __rcu_read_lock+0x30/0x70 [ 52.595556][ T1734] ? __down_trylock_console_sem+0x5e/0xa0 [ 52.595557][ T1734] ? vprintk_emit+0x320/0x3e0 [ 52.595559][ T1734] vprintk_emit+0x37c/0x3e0 [ 52.595562][ T1734] ? wake_up_klogd_work_func+0x90/0x90 [ 52.595564][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595565][ T1734] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 52.595568][ T1734] ? trace_hardirqs_on+0x36/0x40 [ 52.595569][ T1734] _printk+0xc7/0x100 [ 52.595573][ T1734] ? snapshot_read.cold+0x21/0x21 [ 52.595575][ T1734] ? ipv6_mc_down+0x17e/0x2d0 [ 52.595579][ T1734] br_set_state+0x22f/0x430 [bridge] [ 52.595592][ T1734] br_stp_disable_port+0x11f/0x390 [bridge] [ 52.595600][ T1734] br_device_event+0x7b5/0x8f0 [bridge] [ 52.595611][ T1734] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 52.595615][ T1734] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 52.595617][ T1734] ? addrconf_notify+0x2c8/0xf30 [ 52.595621][ T1734] notifier_call_chain+0xae/0x300 [ 52.595624][ T1734] __dev_notify_flags+0x23c/0x3c0 [ 52.595628][ T1734] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 52.595629][ T1734] ? netif_change_name+0x8c0/0x8c0 [ 52.595631][ T1734] ? netif_set_allmulti+0x250/0x250 [ 52.595633][ T1734] ? __kernel_text_address+0x12/0x30 [ 52.595636][ T1734] ? write_profile+0xf0/0xf0 [ 52.595638][ T1734] ? unwind_get_return_address+0x67/0xd0 [ 52.595641][ T1734] netif_change_flags+0xfe/0x190 [ 52.595643][ T1734] do_setlink.isra.0+0x1cc3/0x2750 [ 52.595646][ T1734] ? stack_trace_save+0x93/0xc0 [ 52.595647][ T1734] ? rtnl_link_get_size+0x350/0x350 [ 52.595649][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595650][ T1734] ? stack_depot_save_flags+0x1bc/0x790 [ 52.595654][ T1734] ? kasan_save_stack+0x3d/0x50 [ 52.595657][ T1734] ? kasan_save_stack+0x2f/0x50 [ 52.595659][ T1734] ? kasan_save_track+0x14/0x30 [ 52.595660][ T1734] ? __kasan_kmalloc+0x7b/0x90 [ 52.595662][ T1734] ? __kmalloc_cache_noprof+0x29a/0x620 [ 52.595663][ T1734] ? rtnl_newlink+0x124/0x11c0 [ 52.595664][ T1734] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 52.595665][ T1734] ? netlink_rcv_skb+0x14e/0x3a0 [ 52.595668][ T1734] ? netlink_unicast+0x486/0x750 [ 52.595669][ T1734] ? netlink_sendmsg+0x735/0xc60 [ 52.595671][ T1734] ? ____sys_sendmsg+0x415/0x880 [ 52.595673][ T1734] ? ___sys_sendmsg+0x14e/0x1d0 [ 52.595675][ T1734] ? __sys_sendmsg+0x12c/0x1d0 [ 52.595677][ T1734] ? do_syscall_64+0xff/0x530 [ 52.595679][ T1734] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 52.595681][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595683][ T1734] ? lock_acquire+0x13c/0x160 [ 52.595684][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595686][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595688][ T1734] ? trace_contention_end+0xb3/0x180 [ 52.595691][ T1734] ? __mutex_lock+0x1db/0x1ea0 [ 52.595692][ T1734] ? __mutex_lock+0x9a3/0x1ea0 [ 52.595694][ T1734] ? rtnl_newlink+0x9a8/0x11c0 [ 52.595695][ T1734] ? ww_mutex_lock+0x160/0x160 [ 52.595697][ T1734] ? __rtnl_newlink+0x3fa/0xa50 [ 52.595699][ T1734] rtnl_newlink+0x9f1/0x11c0 [ 52.595701][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595703][ T1734] ? rtnl_bridge_getlink+0x850/0x850 [ 52.595704][ T1734] ? lock_acquire+0x13c/0x160 [ 52.595706][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595708][ T1734] ? is_bpf_text_address+0x3e/0x110 [ 52.595711][ T1734] ? is_bpf_text_address+0x72/0x110 [ 52.595713][ T1734] ? kernel_text_address+0x149/0x170 [ 52.595714][ T1734] ? __kernel_text_address+0x12/0x30 [ 52.595715][ T1734] ? write_profile+0xf0/0xf0 [ 52.595717][ T1734] ? unwind_get_return_address+0x67/0xd0 [ 52.595718][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595720][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595721][ T1734] ? cap_capable+0x1d7/0x3d0 [ 52.595725][ T1734] ? lock_acquire+0x13c/0x160 [ 52.595726][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595728][ T1734] ? rtnl_bridge_getlink+0x850/0x850 [ 52.595729][ T1734] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 52.595731][ T1734] ? rtnl_link_fill+0x920/0x920 [ 52.595732][ T1734] ? filter_irq_stacks+0xd0/0xd0 [ 52.595740][ T1734] ? stack_depot_save_flags+0x1bc/0x790 [ 52.595742][ T1734] netlink_rcv_skb+0x14e/0x3a0 [ 52.595744][ T1734] ? rtnl_link_fill+0x920/0x920 [ 52.595745][ T1734] ? lock_release+0x184/0x1f0 [ 52.595747][ T1734] ? netlink_ack+0xcf0/0xcf0 [ 52.595748][ T1734] ? __netlink_lookup+0xb9/0x6b0 [ 52.595751][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595752][ T1734] ? lock_release+0x184/0x1f0 [ 52.595754][ T1734] netlink_unicast+0x486/0x750 [ 52.595756][ T1734] ? netlink_attachskb+0x810/0x810 [ 52.595758][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595760][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595761][ T1734] ? lock_acquire+0x13c/0x160 [ 52.595763][ T1734] netlink_sendmsg+0x735/0xc60 [ 52.595765][ T1734] ? netlink_unicast+0x750/0x750 [ 52.595767][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595769][ T1734] ? lock_release+0x184/0x1f0 [ 52.595771][ T1734] ____sys_sendmsg+0x415/0x880 [ 52.595772][ T1734] ? copy_msghdr_from_user+0x279/0x420 [ 52.595774][ T1734] ? get_timestamp.constprop.0+0x390/0x390 [ 52.595776][ T1734] ? move_addr_to_kernel+0x40/0x40 [ 52.595777][ T1734] ? filter_irq_stacks+0xd0/0xd0 [ 52.595780][ T1734] ___sys_sendmsg+0x14e/0x1d0 [ 52.595781][ T1734] ? copy_msghdr_from_user+0x420/0x420 [ 52.595786][ T1734] __sys_sendmsg+0x12c/0x1d0 [ 52.595788][ T1734] ? __sys_sendmsg_sock+0x20/0x20 [ 52.595791][ T1734] ? rcu_is_watching+0x16/0xd0 [ 52.595793][ T1734] do_syscall_64+0xff/0x530 [ 52.595794][ T1734] ? exc_page_fault+0xee/0x100 [ 52.595797][ T1734] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 52.595798][ T1734] RIP: 0033:0x7f1d1623754e [ 52.595800][ T1734] 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 [ 52.595802][ T1734] RSP: 002b:00007ffe198bb610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 52.595806][ T1734] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1d1623754e [ 52.595807][ T1734] RDX: 0000000000000000 RSI: 00007ffe198bb6c0 RDI: 0000000000000005 [ 52.595808][ T1734] RBP: 00007ffe198bb620 R08: 0000000000000000 R09: 0000000000000000 [ 52.595809][ T1734] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918023 [ 52.595810][ T1734] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe198bbd80 [ 52.595812][ T1734] [ 52.629462][ T1734] ip (1734) used greatest stack depth: 23016 bytes left [ 52.640173][ T1735] veth2: left allmulticast mode [ 52.640372][ T1735] veth2: left promiscuous mode [ 52.641332][ T1735] br1: port 2(veth2) entered disabled state [ 52.658457][ T1736] br1: port 1(veth1) entered disabled state [ 52.676988][ T1737] veth1: left allmulticast mode [ 52.677148][ T1737] veth1: left promiscuous mode [ 52.677349][ T1737] br1: port 1(veth1) entered disabled state