[ 9.663937][ T186] ip (186) used greatest stack depth: 23712 bytes left [ 9.663954][ T186] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.663959][ T186] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 186, name: ip [ 9.663961][ T186] preempt_count: 2, expected: 0 [ 9.663962][ T186] RCU nest depth: 0, expected: 0 [ 9.663963][ T186] locks held by ip/186: 5, last CPU#0: [ 9.663965][ T186] #0: ffffffffa4e027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.663978][ T186] #1: ffffffffa4f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.663983][ T186] #2: ffffffffa4f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.663990][ T186] #3: ffffffffa4e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.663994][ T186] #4: ffffffffa4e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.663997][ T186] irq event stamp: 47014 [ 9.663998][ T186] hardirqs last enabled at (47013): [] __down_trylock_console_sem+0x86/0xa0 [ 9.664001][ T186] hardirqs last disabled at (47014): [] console_emit_next_record+0x3d4/0x4c0 [ 9.664003][ T186] softirqs last enabled at (45728): [] netlink_release+0x17b/0xcf0 [ 9.664007][ T186] softirqs last disabled at (45726): [] netlink_release+0xd2/0xcf0 [ 9.664009][ T186] Preemption disabled at: [ 9.664010][ T186] [<0000000000000000>] 0x0 [ 9.664016][ T186] CPU: 0 UID: 0 PID: 186 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.664020][ T186] Tainted: [W]=WARN [ 9.664021][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.664022][ T186] Call Trace: [ 9.664023][ T186] [ 9.664025][ T186] dump_stack_lvl+0x6f/0xa0 [ 9.664031][ T186] __might_resched.cold+0x1fe/0x2c1 [ 9.664036][ T186] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.664040][ T186] ? __kmalloc_noprof+0xdb/0x760 [ 9.664045][ T186] __kmalloc_noprof+0x443/0x760 [ 9.664047][ T186] ? alloc_buf.isra.0+0x4b/0x260 [ 9.664053][ T186] ? do_raw_spin_unlock+0x59/0x250 [ 9.664055][ T186] alloc_buf.isra.0+0x4b/0x260 [ 9.664058][ T186] put_chars+0x1e1/0x2f0 [ 9.664061][ T186] ? __send_to_port+0x420/0x420 [ 9.664062][ T186] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.664067][ T186] ? validate_chain+0x38b/0xc20 [ 9.664072][ T186] hvc_console_print+0x292/0x780 [ 9.664078][ T186] ? hvc_write+0x3a0/0x3a0 [ 9.664080][ T186] ? rcu_is_watching+0x16/0xd0 [ 9.664083][ T186] ? lock_acquire+0x13c/0x160 [ 9.664087][ T186] console_emit_next_record+0x22f/0x4c0 [ 9.664091][ T186] ? devkmsg_read+0x4b0/0x4b0 [ 9.664092][ T186] ? console_flush_one_record+0x106/0x710 [ 9.664096][ T186] ? rcu_is_watching+0x16/0xd0 [ 9.664098][ T186] ? lock_acquire+0x13c/0x160 [ 9.664102][ T186] console_flush_one_record+0x46f/0x710 [ 9.664106][ T186] ? console_emit_next_record+0x4c0/0x4c0 [ 9.664107][ T186] ? __lock_acquire+0x518/0xc20 [ 9.664112][ T186] console_unlock+0xee/0x1f0 [ 9.664115][ T186] ? console_flush_one_record+0x710/0x710 [ 9.664117][ T186] ? rcu_is_watching+0x16/0xd0 [ 9.664119][ T186] ? lock_acquire+0x60/0x160 [ 9.664123][ T186] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.664124][ T186] ? vprintk_emit+0x320/0x3e0 [ 9.664128][ T186] vprintk_emit+0x37c/0x3e0 [ 9.664131][ T186] ? wake_up_klogd_work_func+0x90/0x90 [ 9.664135][ T186] ? __lock_acquire+0x518/0xc20 [ 9.664138][ T186] _printk+0xc7/0x100 [ 9.664142][ T186] ? snapshot_read.cold+0x21/0x21 [ 9.664145][ T186] ? do_raw_spin_lock+0x131/0x280 [ 9.664147][ T186] ? __rwlock_init+0x150/0x150 [ 9.664151][ T186] ? do_raw_spin_lock+0x131/0x280 [ 9.664153][ T186] do_exit.cold+0x82/0x9c [ 9.664157][ T186] ? exit_notify+0x890/0x890 [ 9.664159][ T186] ? __lock_release.isra.0+0x69/0x1a0 [ 9.664162][ T186] ? rcu_is_watching+0x16/0xd0 [ 9.664166][ T186] do_group_exit+0xb8/0x370 [ 9.664168][ T186] __x64_sys_exit_group+0x3c/0x50 [ 9.664170][ T186] x64_sys_call+0x1567/0x1570 [ 9.664172][ T186] do_syscall_64+0xff/0x530 [ 9.664175][ T186] ? exc_page_fault+0xee/0x100 [ 9.664178][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.664180][ T186] RIP: 0033:0x7facaadbd1b8 [ 9.664183][ T186] Code: Unable to access opcode bytes at 0x7facaadbd18e. [ 9.664184][ T186] RSP: 002b:00007ffd4dfb1e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.664186][ T186] RAX: ffffffffffffffda RBX: 00007facaaeedf88 RCX: 00007facaadbd1b8 [ 9.664188][ T186] RDX: 00007facaab07fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.664189][ T186] RBP: 00007ffd4dfb1ed0 R08: 0000000000000000 R09: 0000000000008010 [ 9.664189][ T186] R10: 00007ffd4dfb1c90 R11: 0000000000000246 R12: 0000000000000001 [ 9.664190][ T186] R13: 0000000000000000 R14: 00007facaaeec680 R15: 00007facaaeedfa0 [ 9.664197][ T186] [ 10.249043][ T211] br0: port 1(veth1) entered blocking state [ 10.249608][ T211] br0: port 1(veth1) entered disabled state [ 10.250197][ T211] veth1: entered allmulticast mode [ 10.251781][ T211] veth1: entered promiscuous mode [ 10.291250][ T213] br0: port 2(veth3) entered blocking state [ 10.291752][ T213] br0: port 2(veth3) entered disabled state [ 10.292396][ T213] veth3: entered allmulticast mode [ 10.294982][ T213] veth3: entered promiscuous mode [ 10.413366][ T38] br0: port 1(veth1) entered blocking state [ 10.414076][ T38] br0: port 1(veth1) entered forwarding state [ 10.480213][ T38] br0: port 2(veth3) entered blocking state [ 10.480586][ T38] br0: port 2(veth3) entered forwarding state [ 15.957211][ T251] br0: port 2(veth3) entered disabled state [ 15.957266][ T251] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.957268][ T251] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 251, name: ip [ 15.957270][ T251] preempt_count: 202, expected: 0 [ 15.957270][ T251] RCU nest depth: 0, expected: 0 [ 15.957271][ T251] locks held by ip/251: 6, last CPU#1: [ 15.957274][ T251] #0: ffffffffa56d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 15.957286][ T251] #1: ff1100000ae1ae58 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [bridge] [ 15.957301][ T251] #2: ffffffffa4f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.957307][ T251] #3: ffffffffa4f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.957310][ T251] #4: ffffffffa4e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.957314][ T251] #5: ffffffffa4e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.957318][ T251] irq event stamp: 14497 [ 15.957319][ T251] hardirqs last enabled at (14496): [] __down_trylock_console_sem+0x86/0xa0 [ 15.957322][ T251] hardirqs last disabled at (14497): [] console_emit_next_record+0x3d4/0x4c0 [ 15.957324][ T251] softirqs last enabled at (14480): [] ipv6_mc_down+0x134/0x2d0 [ 15.957328][ T251] softirqs last disabled at (14492): [] br_device_event+0x1d7/0x8f0 [bridge] [ 15.957336][ T251] Preemption disabled at: [ 15.957336][ T251] [<0000000000000000>] 0x0 [ 15.957343][ T251] CPU: 1 UID: 0 PID: 251 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.957346][ T251] Tainted: [W]=WARN [ 15.957347][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.957348][ T251] Call Trace: [ 15.957350][ T251] [ 15.957351][ T251] dump_stack_lvl+0x6f/0xa0 [ 15.957357][ T251] __might_resched.cold+0x1fe/0x2c1 [ 15.957362][ T251] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.957366][ T251] ? __kmalloc_noprof+0xdb/0x760 [ 15.957372][ T251] __kmalloc_noprof+0x443/0x760 [ 15.957374][ T251] ? alloc_buf.isra.0+0x4b/0x260 [ 15.957380][ T251] ? do_raw_spin_unlock+0x59/0x250 [ 15.957383][ T251] alloc_buf.isra.0+0x4b/0x260 [ 15.957386][ T251] put_chars+0x1e1/0x2f0 [ 15.957389][ T251] ? __send_to_port+0x420/0x420 [ 15.957390][ T251] ? check_prev_add+0xef/0xe90 [ 15.957394][ T251] ? validate_chain+0x34a/0xc20 [ 15.957398][ T251] hvc_console_print+0x292/0x780 [ 15.957401][ T251] ? mark_usage+0x61/0x170 [ 15.957402][ T251] ? __lock_acquire+0x518/0xc20 [ 15.957404][ T251] ? __lock_acquire+0x518/0xc20 [ 15.957408][ T251] ? hvc_write+0x3a0/0x3a0 [ 15.957409][ T251] ? lock_acquire.part.0+0xd4/0x280 [ 15.957414][ T251] ? lock_acquire+0x13c/0x160 [ 15.957418][ T251] console_emit_next_record+0x22f/0x4c0 [ 15.957422][ T251] ? devkmsg_read+0x4b0/0x4b0 [ 15.957423][ T251] ? console_flush_one_record+0x106/0x710 [ 15.957427][ T251] ? rcu_is_watching+0x16/0xd0 [ 15.957431][ T251] ? lock_acquire+0x13c/0x160 [ 15.957435][ T251] console_flush_one_record+0x46f/0x710 [ 15.957439][ T251] ? console_emit_next_record+0x4c0/0x4c0 [ 15.957441][ T251] ? __lock_acquire+0x518/0xc20 [ 15.957446][ T251] console_unlock+0xee/0x1f0 [ 15.957449][ T251] ? console_flush_one_record+0x710/0x710 [ 15.957451][ T251] ? rcu_is_watching+0x16/0xd0 [ 15.957453][ T251] ? lock_acquire+0x60/0x160 [ 15.957457][ T251] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.957459][ T251] ? vprintk_emit+0x320/0x3e0 [ 15.957462][ T251] vprintk_emit+0x37c/0x3e0 [ 15.957466][ T251] ? wake_up_klogd_work_func+0x90/0x90 [ 15.957468][ T251] ? mark_held_locks+0x40/0x70 [ 15.957471][ T251] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.957473][ T251] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.957478][ T251] _printk+0xc7/0x100 [ 15.957481][ T251] ? snapshot_read.cold+0x21/0x21 [ 15.957489][ T251] br_set_state+0x22f/0x430 [bridge] [ 15.957501][ T251] br_stp_disable_port+0x11f/0x390 [bridge] [ 15.957510][ T251] br_device_event+0x7b5/0x8f0 [bridge] [ 15.957518][ T251] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 15.957522][ T251] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 15.957528][ T251] notifier_call_chain+0xae/0x300 [ 15.957534][ T251] __dev_notify_flags+0x23c/0x3c0 [ 15.957539][ T251] ? netif_change_name+0x8c0/0x8c0 [ 15.957543][ T251] ? netif_set_allmulti+0x250/0x250 [ 15.957546][ T251] ? __kernel_text_address+0x12/0x30 [ 15.957548][ T251] ? write_profile+0xf0/0xf0 [ 15.957550][ T251] ? unwind_get_return_address+0x67/0xd0 [ 15.957556][ T251] netif_change_flags+0xfe/0x190 [ 15.957559][ T251] do_setlink.isra.0+0x1cc3/0x2750 [ 15.957563][ T251] ? stack_trace_save+0x93/0xc0 [ 15.957565][ T251] ? rtnl_link_get_size+0x350/0x350 [ 15.957566][ T251] ? rcu_read_lock_any_held+0x66/0x90 [ 15.957568][ T251] ? stack_depot_save_flags+0x38e/0x790 [ 15.957572][ T251] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.957574][ T251] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.957576][ T251] ? validate_chain+0x38b/0xc20 [ 15.957579][ T251] ? kasan_save_stack+0x3d/0x50 [ 15.957582][ T251] ? kasan_save_stack+0x2f/0x50 [ 15.957583][ T251] ? kasan_save_track+0x14/0x30 [ 15.957586][ T251] ? __lock_acquire+0x518/0xc20 [ 15.957588][ T251] ? netlink_seq_next+0xe/0x60 [ 15.957591][ T251] ? ___sys_sendmsg+0xb0/0x1d0 [ 15.957595][ T251] ? lock_acquire.part.0+0xd4/0x280 [ 15.957597][ T251] ? rtnl_newlink+0x9a8/0x11c0 [ 15.957600][ T251] ? rcu_is_watching+0x16/0xd0 [ 15.957602][ T251] ? lock_acquire+0x13c/0x160 [ 15.957604][ T251] ? rcu_is_watching+0x16/0xd0 [ 15.957606][ T251] ? rcu_is_watching+0x16/0xd0 [ 15.957608][ T251] ? trace_contention_end+0xb3/0x180 [ 15.957612][ T251] ? __mutex_lock+0x1db/0x1ea0 [ 15.957614][ T251] ? __mutex_lock+0x9a3/0x1ea0 [ 15.957616][ T251] ? rtnl_newlink+0x9a8/0x11c0 [ 15.957619][ T251] ? ww_mutex_lock+0x160/0x160 [ 15.957625][ T251] ? __rtnl_newlink+0x3fa/0xa50 [ 15.957630][ T251] rtnl_newlink+0x9f1/0x11c0 [ 15.957635][ T251] ? rtnl_bridge_getlink+0x850/0x850 [ 15.957637][ T251] ? __lock_acquire+0x518/0xc20 [ 15.957642][ T251] ? lock_acquire.part.0+0xd4/0x280 [ 15.957644][ T251] ? find_held_lock+0x2b/0x80 [ 15.957646][ T251] ? rtnl_bridge_getlink+0x850/0x850 [ 15.957647][ T251] ? __lock_release.isra.0+0x69/0x1a0 [ 15.957651][ T251] ? rtnl_bridge_getlink+0x850/0x850 [ 15.957653][ T251] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.957656][ T251] ? rtnl_link_fill+0x920/0x920 [ 15.957658][ T251] ? __lock_acquire+0x518/0xc20 [ 15.957662][ T251] ? lock_acquire.part.0+0xd4/0x280 [ 15.957664][ T251] ? find_held_lock+0x2b/0x80 [ 15.957667][ T251] netlink_rcv_skb+0x14e/0x3a0 [ 15.957669][ T251] ? rtnl_link_fill+0x920/0x920 [ 15.957672][ T251] ? netlink_ack+0xcf0/0xcf0 [ 15.957678][ T251] ? netlink_deliver_tap+0xc5/0x330 [ 15.957680][ T251] ? netlink_deliver_tap+0x13c/0x330 [ 15.957684][ T251] netlink_unicast+0x486/0x750 [ 15.957688][ T251] ? netlink_attachskb+0x810/0x810 [ 15.957690][ T251] ? __lock_acquire+0x518/0xc20 [ 15.957695][ T251] netlink_sendmsg+0x735/0xc60 [ 15.957699][ T251] ? netlink_unicast+0x750/0x750 [ 15.957702][ T251] ? __might_fault+0x97/0x140 [ 15.957708][ T251] ____sys_sendmsg+0x415/0x880 [ 15.957710][ T251] ? copy_msghdr_from_user+0x279/0x420 [ 15.957713][ T251] ? get_timestamp.constprop.0+0x390/0x390 [ 15.957714][ T251] ? move_addr_to_kernel+0x40/0x40 [ 15.957722][ T251] ___sys_sendmsg+0x14e/0x1d0 [ 15.957725][ T251] ? copy_msghdr_from_user+0x420/0x420 [ 15.957740][ T251] __sys_sendmsg+0x12c/0x1d0 [ 15.957743][ T251] ? __sys_sendmsg_sock+0x20/0x20 [ 15.957750][ T251] ? rcu_is_watching+0x16/0xd0 [ 15.957753][ T251] do_syscall_64+0xff/0x530 [ 15.957756][ T251] ? exc_page_fault+0xee/0x100 [ 15.957759][ T251] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.957761][ T251] RIP: 0033:0x7f0e2ea1f54e [ 15.957764][ T251] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 15.957765][ T251] RSP: 002b:00007fffe413e940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.957768][ T251] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0e2ea1f54e [ 15.957769][ T251] RDX: 0000000000000000 RSI: 00007fffe413e9f0 RDI: 0000000000000005 [ 15.957770][ T251] RBP: 00007fffe413e950 R08: 0000000000000000 R09: 0000000000000000 [ 15.957771][ T251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af1f [ 15.957772][ T251] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe413f0b0 [ 15.957779][ T251] [ 16.018770][ T251] ip (251) used greatest stack depth: 23016 bytes left [ 16.063922][ T254] br0: port 1(veth1) entered disabled state [ 16.130040][ T256] veth3: left allmulticast mode [ 16.130349][ T256] veth3: left promiscuous mode [ 16.130724][ T256] br0: port 2(veth3) entered disabled state [ 16.132127][ T256] veth1: left allmulticast mode [ 16.133207][ T256] veth1: left promiscuous mode [ 16.133595][ T256] br0: port 1(veth1) entered disabled state