[ 10.807501][ T187] ip (187) used greatest stack depth: 23728 bytes left [ 10.807518][ T187] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.807520][ T187] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 187, name: ip [ 10.807521][ T187] preempt_count: 2, expected: 0 [ 10.807522][ T187] RCU nest depth: 0, expected: 0 [ 10.807523][ T187] locks held by ip/187: 5, last CPU#2: [ 10.807525][ T187] #0: ffffffffb6a027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.807538][ T187] #1: ffffffffb6b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.807543][ T187] #2: ffffffffb6b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.807547][ T187] #3: ffffffffb6a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.807551][ T187] #4: ffffffffb6a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.807555][ T187] irq event stamp: 42882 [ 10.807555][ T187] hardirqs last enabled at (42881): [] __down_trylock_console_sem+0x86/0xa0 [ 10.807558][ T187] hardirqs last disabled at (42882): [] console_emit_next_record+0x3d4/0x4c0 [ 10.807560][ T187] softirqs last enabled at (41600): [] netlink_release+0x17b/0xcf0 [ 10.807564][ T187] softirqs last disabled at (41598): [] netlink_release+0xd2/0xcf0 [ 10.807566][ T187] Preemption disabled at: [ 10.807567][ T187] [<0000000000000000>] 0x0 [ 10.807574][ T187] CPU: 2 UID: 0 PID: 187 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.807577][ T187] Tainted: [W]=WARN [ 10.807578][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.807580][ T187] Call Trace: [ 10.807582][ T187] [ 10.807583][ T187] dump_stack_lvl+0x6f/0xa0 [ 10.807590][ T187] __might_resched.cold+0x1fe/0x2c1 [ 10.807594][ T187] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.807598][ T187] ? __kmalloc_noprof+0xdb/0x760 [ 10.807604][ T187] __kmalloc_noprof+0x443/0x760 [ 10.807606][ T187] ? alloc_buf.isra.0+0x4b/0x260 [ 10.807611][ T187] ? do_raw_spin_unlock+0x59/0x250 [ 10.807614][ T187] alloc_buf.isra.0+0x4b/0x260 [ 10.807617][ T187] put_chars+0x1e1/0x2f0 [ 10.807620][ T187] ? __send_to_port+0x420/0x420 [ 10.807621][ T187] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.807626][ T187] ? validate_chain+0x38b/0xc20 [ 10.807631][ T187] hvc_console_print+0x292/0x780 [ 10.807637][ T187] ? hvc_write+0x3a0/0x3a0 [ 10.807639][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.807641][ T187] ? lock_acquire+0x13c/0x160 [ 10.807645][ T187] console_emit_next_record+0x22f/0x4c0 [ 10.807649][ T187] ? devkmsg_read+0x4b0/0x4b0 [ 10.807651][ T187] ? console_flush_one_record+0x106/0x710 [ 10.807654][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.807656][ T187] ? lock_acquire+0x13c/0x160 [ 10.807660][ T187] console_flush_one_record+0x46f/0x710 [ 10.807664][ T187] ? console_emit_next_record+0x4c0/0x4c0 [ 10.807666][ T187] ? __lock_acquire+0x518/0xc20 [ 10.807671][ T187] console_unlock+0xee/0x1f0 [ 10.807673][ T187] ? console_flush_one_record+0x710/0x710 [ 10.807675][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.807678][ T187] ? lock_acquire+0x60/0x160 [ 10.807681][ T187] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.807683][ T187] ? vprintk_emit+0x320/0x3e0 [ 10.807686][ T187] vprintk_emit+0x37c/0x3e0 [ 10.807690][ T187] ? wake_up_klogd_work_func+0x90/0x90 [ 10.807693][ T187] ? __lock_acquire+0x518/0xc20 [ 10.807696][ T187] _printk+0xc7/0x100 [ 10.807700][ T187] ? snapshot_read.cold+0x21/0x21 [ 10.807703][ T187] ? do_raw_spin_lock+0x131/0x280 [ 10.807706][ T187] ? __rwlock_init+0x150/0x150 [ 10.807709][ T187] ? do_raw_spin_lock+0x131/0x280 [ 10.807712][ T187] do_exit.cold+0x82/0x9c [ 10.807715][ T187] ? exit_notify+0x890/0x890 [ 10.807717][ T187] ? __lock_release.isra.0+0x69/0x1a0 [ 10.807720][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.807726][ T187] do_group_exit+0xb8/0x370 [ 10.807728][ T187] __x64_sys_exit_group+0x3c/0x50 [ 10.807730][ T187] x64_sys_call+0x1567/0x1570 [ 10.807732][ T187] do_syscall_64+0xff/0x530 [ 10.807735][ T187] ? exc_page_fault+0xee/0x100 [ 10.807738][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.807741][ T187] RIP: 0033:0x7fb6a3fd91b8 [ 10.807743][ T187] Code: Unable to access opcode bytes at 0x7fb6a3fd918e. [ 10.807744][ T187] RSP: 002b:00007ffc97eb96a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.807746][ T187] RAX: ffffffffffffffda RBX: 00007fb6a4109f88 RCX: 00007fb6a3fd91b8 [ 10.807748][ T187] RDX: 00007fb6a3d23fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.807749][ T187] RBP: 00007ffc97eb9700 R08: 0000000000000000 R09: 0000000000008010 [ 10.807750][ T187] R10: 00007ffc97eb94c0 R11: 0000000000000246 R12: 0000000000000001 [ 10.807750][ T187] R13: 0000000000000000 R14: 00007fb6a4108680 R15: 00007fb6a4109fa0 [ 10.807757][ T187] [ 11.345713][ T213] br0: port 1(veth1) entered blocking state [ 11.346288][ T213] br0: port 1(veth1) entered disabled state [ 11.347268][ T213] veth1: entered allmulticast mode [ 11.348892][ T213] veth1: entered promiscuous mode [ 11.384623][ T215] br0: port 2(veth3) entered blocking state [ 11.384938][ T215] br0: port 2(veth3) entered disabled state [ 11.385230][ T215] veth3: entered allmulticast mode [ 11.386713][ T215] veth3: entered promiscuous mode [ 11.503144][ T92] br0: port 1(veth1) entered blocking state [ 11.503887][ T92] br0: port 1(veth1) entered forwarding state [ 11.570583][ T92] br0: port 2(veth3) entered blocking state [ 11.571150][ T92] br0: port 2(veth3) entered forwarding state [ 17.027155][ T252] br0: port 2(veth3) entered disabled state [ 17.027207][ T252] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.027210][ T252] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 252, name: ip [ 17.027212][ T252] preempt_count: 202, expected: 0 [ 17.027213][ T252] RCU nest depth: 0, expected: 0 [ 17.027214][ T252] locks held by ip/252: 6, last CPU#2: [ 17.027215][ T252] #0: ffffffffb72d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 17.027227][ T252] #1: ff1100000d5b2e58 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [bridge] [ 17.027241][ T252] #2: ffffffffb6b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.027247][ T252] #3: ffffffffb6b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.027251][ T252] #4: ffffffffb6a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.027255][ T252] #5: ffffffffb6a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.027258][ T252] irq event stamp: 16649 [ 17.027259][ T252] hardirqs last enabled at (16648): [] __down_trylock_console_sem+0x86/0xa0 [ 17.027262][ T252] hardirqs last disabled at (16649): [] console_emit_next_record+0x3d4/0x4c0 [ 17.027264][ T252] softirqs last enabled at (16632): [] ipv6_mc_down+0x134/0x2d0 [ 17.027267][ T252] softirqs last disabled at (16644): [] br_device_event+0x1d7/0x8f0 [bridge] [ 17.027275][ T252] Preemption disabled at: [ 17.027276][ T252] [<0000000000000000>] 0x0 [ 17.027282][ T252] CPU: 2 UID: 0 PID: 252 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.027286][ T252] Tainted: [W]=WARN [ 17.027287][ T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.027288][ T252] Call Trace: [ 17.027290][ T252] [ 17.027291][ T252] dump_stack_lvl+0x6f/0xa0 [ 17.027297][ T252] __might_resched.cold+0x1fe/0x2c1 [ 17.027302][ T252] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.027306][ T252] ? __kmalloc_noprof+0xdb/0x760 [ 17.027311][ T252] __kmalloc_noprof+0x443/0x760 [ 17.027313][ T252] ? alloc_buf.isra.0+0x4b/0x260 [ 17.027319][ T252] ? do_raw_spin_unlock+0x59/0x250 [ 17.027322][ T252] alloc_buf.isra.0+0x4b/0x260 [ 17.027324][ T252] put_chars+0x1e1/0x2f0 [ 17.027327][ T252] ? __send_to_port+0x420/0x420 [ 17.027329][ T252] ? check_prev_add+0xef/0xe90 [ 17.027333][ T252] ? validate_chain+0x34a/0xc20 [ 17.027336][ T252] hvc_console_print+0x292/0x780 [ 17.027339][ T252] ? mark_usage+0x61/0x170 [ 17.027340][ T252] ? __lock_acquire+0x518/0xc20 [ 17.027342][ T252] ? __lock_acquire+0x518/0xc20 [ 17.027346][ T252] ? hvc_write+0x3a0/0x3a0 [ 17.027347][ T252] ? lock_acquire.part.0+0xd4/0x280 [ 17.027351][ T252] ? lock_acquire+0x13c/0x160 [ 17.027355][ T252] console_emit_next_record+0x22f/0x4c0 [ 17.027359][ T252] ? devkmsg_read+0x4b0/0x4b0 [ 17.027361][ T252] ? console_flush_one_record+0x106/0x710 [ 17.027364][ T252] ? rcu_is_watching+0x16/0xd0 [ 17.027368][ T252] ? lock_acquire+0x13c/0x160 [ 17.027372][ T252] console_flush_one_record+0x46f/0x710 [ 17.027376][ T252] ? console_emit_next_record+0x4c0/0x4c0 [ 17.027377][ T252] ? __lock_acquire+0x518/0xc20 [ 17.027382][ T252] console_unlock+0xee/0x1f0 [ 17.027385][ T252] ? console_flush_one_record+0x710/0x710 [ 17.027387][ T252] ? rcu_is_watching+0x16/0xd0 [ 17.027389][ T252] ? lock_acquire+0x60/0x160 [ 17.027393][ T252] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.027394][ T252] ? vprintk_emit+0x320/0x3e0 [ 17.027398][ T252] vprintk_emit+0x37c/0x3e0 [ 17.027406][ T252] ? wake_up_klogd_work_func+0x90/0x90 [ 17.027408][ T252] ? mark_held_locks+0x40/0x70 [ 17.027411][ T252] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.027413][ T252] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.027417][ T252] _printk+0xc7/0x100 [ 17.027421][ T252] ? snapshot_read.cold+0x21/0x21 [ 17.027428][ T252] br_set_state+0x22f/0x430 [bridge] [ 17.027439][ T252] br_stp_disable_port+0x11f/0x390 [bridge] [ 17.027449][ T252] br_device_event+0x7b5/0x8f0 [bridge] [ 17.027456][ T252] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 17.027460][ T252] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 17.027466][ T252] notifier_call_chain+0xae/0x300 [ 17.027471][ T252] __dev_notify_flags+0x23c/0x3c0 [ 17.027476][ T252] ? netif_change_name+0x8c0/0x8c0 [ 17.027480][ T252] ? netif_set_allmulti+0x250/0x250 [ 17.027483][ T252] ? __kernel_text_address+0x12/0x30 [ 17.027485][ T252] ? write_profile+0xf0/0xf0 [ 17.027487][ T252] ? unwind_get_return_address+0x67/0xd0 [ 17.027492][ T252] netif_change_flags+0xfe/0x190 [ 17.027496][ T252] do_setlink.isra.0+0x1cc3/0x2750 [ 17.027499][ T252] ? stack_trace_save+0x93/0xc0 [ 17.027501][ T252] ? rtnl_link_get_size+0x350/0x350 [ 17.027503][ T252] ? rcu_read_lock_any_held+0x66/0x90 [ 17.027504][ T252] ? stack_depot_save_flags+0x38e/0x790 [ 17.027508][ T252] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.027510][ T252] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.027512][ T252] ? validate_chain+0x38b/0xc20 [ 17.027515][ T252] ? kasan_save_stack+0x3d/0x50 [ 17.027518][ T252] ? kasan_save_stack+0x2f/0x50 [ 17.027519][ T252] ? kasan_save_track+0x14/0x30 [ 17.027522][ T252] ? __lock_acquire+0x518/0xc20 [ 17.027524][ T252] ? netlink_seq_next+0xe/0x60 [ 17.027527][ T252] ? ___sys_sendmsg+0xb0/0x1d0 [ 17.027531][ T252] ? lock_acquire.part.0+0xd4/0x280 [ 17.027533][ T252] ? rtnl_newlink+0x9a8/0x11c0 [ 17.027536][ T252] ? rcu_is_watching+0x16/0xd0 [ 17.027538][ T252] ? lock_acquire+0x13c/0x160 [ 17.027539][ T252] ? rcu_is_watching+0x16/0xd0 [ 17.027541][ T252] ? rcu_is_watching+0x16/0xd0 [ 17.027544][ T252] ? trace_contention_end+0xb3/0x180 [ 17.027548][ T252] ? __mutex_lock+0x1db/0x1ea0 [ 17.027549][ T252] ? __mutex_lock+0x9a3/0x1ea0 [ 17.027551][ T252] ? rtnl_newlink+0x9a8/0x11c0 [ 17.027555][ T252] ? ww_mutex_lock+0x160/0x160 [ 17.027560][ T252] ? __rtnl_newlink+0x3fa/0xa50 [ 17.027565][ T252] rtnl_newlink+0x9f1/0x11c0 [ 17.027570][ T252] ? rtnl_bridge_getlink+0x850/0x850 [ 17.027572][ T252] ? __lock_acquire+0x518/0xc20 [ 17.027576][ T252] ? lock_acquire.part.0+0xd4/0x280 [ 17.027578][ T252] ? find_held_lock+0x2b/0x80 [ 17.027580][ T252] ? rtnl_bridge_getlink+0x850/0x850 [ 17.027581][ T252] ? __lock_release.isra.0+0x69/0x1a0 [ 17.027585][ T252] ? rtnl_bridge_getlink+0x850/0x850 [ 17.027587][ T252] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.027590][ T252] ? rtnl_link_fill+0x920/0x920 [ 17.027591][ T252] ? __lock_acquire+0x518/0xc20 [ 17.027595][ T252] ? lock_acquire.part.0+0xd4/0x280 [ 17.027597][ T252] ? find_held_lock+0x2b/0x80 [ 17.027601][ T252] netlink_rcv_skb+0x14e/0x3a0 [ 17.027602][ T252] ? rtnl_link_fill+0x920/0x920 [ 17.027605][ T252] ? netlink_ack+0xcf0/0xcf0 [ 17.027611][ T252] ? netlink_deliver_tap+0xc5/0x330 [ 17.027613][ T252] ? netlink_deliver_tap+0x13c/0x330 [ 17.027617][ T252] netlink_unicast+0x486/0x750 [ 17.027621][ T252] ? netlink_attachskb+0x810/0x810 [ 17.027623][ T252] ? __lock_acquire+0x518/0xc20 [ 17.027627][ T252] netlink_sendmsg+0x735/0xc60 [ 17.027631][ T252] ? netlink_unicast+0x750/0x750 [ 17.027635][ T252] ? __might_fault+0x97/0x140 [ 17.027640][ T252] ____sys_sendmsg+0x415/0x880 [ 17.027642][ T252] ? copy_msghdr_from_user+0x279/0x420 [ 17.027645][ T252] ? get_timestamp.constprop.0+0x390/0x390 [ 17.027646][ T252] ? move_addr_to_kernel+0x40/0x40 [ 17.027653][ T252] ___sys_sendmsg+0x14e/0x1d0 [ 17.027656][ T252] ? copy_msghdr_from_user+0x420/0x420 [ 17.027671][ T252] __sys_sendmsg+0x12c/0x1d0 [ 17.027674][ T252] ? __sys_sendmsg_sock+0x20/0x20 [ 17.027680][ T252] ? rcu_is_watching+0x16/0xd0 [ 17.027684][ T252] do_syscall_64+0xff/0x530 [ 17.027686][ T252] ? exc_page_fault+0xee/0x100 [ 17.027689][ T252] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.027692][ T252] RIP: 0033:0x7fe599e3a54e [ 17.027694][ T252] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 17.027696][ T252] RSP: 002b:00007ffd4af763b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.027698][ T252] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe599e3a54e [ 17.027700][ T252] RDX: 0000000000000000 RSI: 00007ffd4af76460 RDI: 0000000000000005 [ 17.027701][ T252] RBP: 00007ffd4af763c0 R08: 0000000000000000 R09: 0000000000000000 [ 17.027702][ T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918525 [ 17.027702][ T252] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4af76b20 [ 17.027709][ T252] [ 17.087349][ T252] ip (252) used greatest stack depth: 23016 bytes left [ 17.137043][ T254] br0: port 1(veth1) entered disabled state [ 17.190534][ T256] veth3: left allmulticast mode [ 17.191303][ T256] veth3: left promiscuous mode [ 17.191674][ T256] br0: port 2(veth3) entered disabled state [ 17.193063][ T256] veth1: left allmulticast mode [ 17.193751][ T256] veth1: left promiscuous mode [ 17.194103][ T256] br0: port 1(veth1) entered disabled state