[ 10.370923][ T206] ip (206) used greatest stack depth: 23888 bytes left [ 10.370943][ T206] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.370945][ T206] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 206, name: ip [ 10.370946][ T206] preempt_count: 2, expected: 0 [ 10.370947][ T206] RCU nest depth: 0, expected: 0 [ 10.370948][ T206] locks held by ip/206: 5, last CPU#2: [ 10.370950][ T206] #0: ffffffffb32167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.370961][ T206] #1: ffffffffb337ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.370966][ T206] #2: ffffffffb337de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.370970][ T206] #3: ffffffffb329d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.370973][ T206] #4: ffffffffb329d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.370977][ T206] irq event stamp: 26650 [ 10.370978][ T206] hardirqs last enabled at (26649): [] __down_trylock_console_sem+0x86/0xa0 [ 10.370981][ T206] hardirqs last disabled at (26650): [] console_emit_next_record+0x3d4/0x4c0 [ 10.370984][ T206] softirqs last enabled at (25368): [] handle_softirqs+0x67c/0x900 [ 10.370986][ T206] softirqs last disabled at (25361): [] __irq_exit_rcu+0x145/0x1c0 [ 10.370988][ T206] Preemption disabled at: [ 10.370989][ T206] [<0000000000000000>] 0x0 [ 10.370996][ T206] CPU: 2 UID: 0 PID: 206 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.370999][ T206] Tainted: [W]=WARN [ 10.371000][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.371001][ T206] Call Trace: [ 10.371003][ T206] [ 10.371004][ T206] dump_stack_lvl+0x6f/0xa0 [ 10.371011][ T206] __might_resched.cold+0x1fe/0x2c1 [ 10.371015][ T206] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.371019][ T206] ? __kmalloc_noprof+0xdb/0x760 [ 10.371024][ T206] __kmalloc_noprof+0x443/0x760 [ 10.371026][ T206] ? alloc_buf.isra.0+0x4b/0x260 [ 10.371032][ T206] ? do_raw_spin_unlock+0x59/0x250 [ 10.371035][ T206] alloc_buf.isra.0+0x4b/0x260 [ 10.371039][ T206] put_chars+0x1e1/0x2f0 [ 10.371041][ T206] ? __send_to_port+0x420/0x420 [ 10.371043][ T206] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.371046][ T206] ? validate_chain+0x38b/0xc20 [ 10.371052][ T206] hvc_console_print+0x292/0x780 [ 10.371059][ T206] ? hvc_write+0x3a0/0x3a0 [ 10.371062][ T206] ? rcu_is_watching+0x16/0xd0 [ 10.371064][ T206] ? lock_acquire+0x13c/0x160 [ 10.371068][ T206] console_emit_next_record+0x22f/0x4c0 [ 10.371072][ T206] ? devkmsg_read+0x4b0/0x4b0 [ 10.371074][ T206] ? console_flush_one_record+0x106/0x710 [ 10.371077][ T206] ? rcu_is_watching+0x16/0xd0 [ 10.371078][ T206] ? lock_acquire+0x13c/0x160 [ 10.371082][ T206] console_flush_one_record+0x46f/0x710 [ 10.371087][ T206] ? console_emit_next_record+0x4c0/0x4c0 [ 10.371088][ T206] ? __lock_acquire+0x518/0xc20 [ 10.371094][ T206] console_unlock+0xee/0x1f0 [ 10.371097][ T206] ? console_flush_one_record+0x710/0x710 [ 10.371098][ T206] ? rcu_is_watching+0x16/0xd0 [ 10.371100][ T206] ? lock_acquire+0xe0/0x160 [ 10.371104][ T206] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.371106][ T206] ? vprintk_emit+0x320/0x3e0 [ 10.371108][ T206] vprintk_emit+0x37c/0x3e0 [ 10.371111][ T206] ? wake_up_klogd_work_func+0x90/0x90 [ 10.371114][ T206] ? __lock_acquire+0x518/0xc20 [ 10.371118][ T206] _printk+0xc7/0x100 [ 10.371122][ T206] ? snapshot_read.cold+0x21/0x21 [ 10.371124][ T206] ? do_raw_spin_lock+0x131/0x280 [ 10.371127][ T206] ? __rwlock_init+0x150/0x150 [ 10.371131][ T206] ? do_raw_spin_lock+0x131/0x280 [ 10.371133][ T206] do_exit.cold+0x82/0x9c [ 10.371137][ T206] ? exit_notify+0x890/0x890 [ 10.371139][ T206] ? __lock_release.isra.0+0x69/0x1a0 [ 10.371141][ T206] ? rcu_is_watching+0x16/0xd0 [ 10.371145][ T206] do_group_exit+0xb8/0x370 [ 10.371148][ T206] __x64_sys_exit_group+0x3c/0x50 [ 10.371149][ T206] x64_sys_call+0x1567/0x1570 [ 10.371152][ T206] do_syscall_64+0xff/0x530 [ 10.371156][ T206] ? exc_page_fault+0xee/0x100 [ 10.371159][ T206] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.371161][ T206] RIP: 0033:0x7f1a9da181b8 [ 10.371163][ T206] Code: Unable to access opcode bytes at 0x7f1a9da1818e. [ 10.371164][ T206] RSP: 002b:00007ffdb8531648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.371166][ T206] RAX: ffffffffffffffda RBX: 00007f1a9db48f88 RCX: 00007f1a9da181b8 [ 10.371168][ T206] RDX: 00007f1a9d762fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.371169][ T206] RBP: 00007ffdb85316a0 R08: 0000000000000000 R09: 0000000000008010 [ 10.371169][ T206] R10: 00007ffdb8531460 R11: 0000000000000246 R12: 0000000000000001 [ 10.371170][ T206] R13: 0000000000000000 R14: 00007f1a9db47680 R15: 00007f1a9db48fa0 [ 10.371177][ T206] [ 11.703320][ T259] ip (259) used greatest stack depth: 23584 bytes left [ 11.703338][ T259] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.703340][ T259] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 259, name: ip [ 11.703342][ T259] preempt_count: 2, expected: 0 [ 11.703343][ T259] RCU nest depth: 0, expected: 0 [ 11.703343][ T259] locks held by ip/259: 5, last CPU#0: [ 11.703345][ T259] #0: ffffffffb32167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.703356][ T259] #1: ffffffffb337ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.703361][ T259] #2: ffffffffb337de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.703366][ T259] #3: ffffffffb329d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.703369][ T259] #4: ffffffffb329d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.703374][ T259] irq event stamp: 30602 [ 11.703374][ T259] hardirqs last enabled at (30601): [] __down_trylock_console_sem+0x86/0xa0 [ 11.703378][ T259] hardirqs last disabled at (30602): [] console_emit_next_record+0x3d4/0x4c0 [ 11.703380][ T259] softirqs last enabled at (27468): [] handle_softirqs+0x67c/0x900 [ 11.703382][ T259] softirqs last disabled at (25837): [] __irq_exit_rcu+0x145/0x1c0 [ 11.703386][ T259] Preemption disabled at: [ 11.703387][ T259] [<0000000000000000>] 0x0 [ 11.703393][ T259] CPU: 0 UID: 0 PID: 259 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.703397][ T259] Tainted: [W]=WARN [ 11.703397][ T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.703399][ T259] Call Trace: [ 11.703401][ T259] [ 11.703402][ T259] dump_stack_lvl+0x6f/0xa0 [ 11.703408][ T259] __might_resched.cold+0x1fe/0x2c1 [ 11.703413][ T259] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.703416][ T259] ? __kmalloc_noprof+0xdb/0x760 [ 11.703421][ T259] __kmalloc_noprof+0x443/0x760 [ 11.703423][ T259] ? alloc_buf.isra.0+0x4b/0x260 [ 11.703430][ T259] ? do_raw_spin_unlock+0x59/0x250 [ 11.703432][ T259] alloc_buf.isra.0+0x4b/0x260 [ 11.703436][ T259] put_chars+0x1e1/0x2f0 [ 11.703439][ T259] ? __send_to_port+0x420/0x420 [ 11.703440][ T259] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.703443][ T259] ? validate_chain+0x38b/0xc20 [ 11.703448][ T259] hvc_console_print+0x292/0x780 [ 11.703456][ T259] ? hvc_write+0x3a0/0x3a0 [ 11.703458][ T259] ? rcu_is_watching+0x16/0xd0 [ 11.703460][ T259] ? lock_acquire+0x13c/0x160 [ 11.703464][ T259] console_emit_next_record+0x22f/0x4c0 [ 11.703468][ T259] ? devkmsg_read+0x4b0/0x4b0 [ 11.703470][ T259] ? console_flush_one_record+0x106/0x710 [ 11.703473][ T259] ? rcu_is_watching+0x16/0xd0 [ 11.703475][ T259] ? lock_acquire+0x13c/0x160 [ 11.703479][ T259] console_flush_one_record+0x46f/0x710 [ 11.703483][ T259] ? console_emit_next_record+0x4c0/0x4c0 [ 11.703485][ T259] ? __lock_acquire+0x518/0xc20 [ 11.703490][ T259] console_unlock+0xee/0x1f0 [ 11.703493][ T259] ? console_flush_one_record+0x710/0x710 [ 11.703495][ T259] ? rcu_is_watching+0x16/0xd0 [ 11.703497][ T259] ? lock_acquire+0xe0/0x160 [ 11.703500][ T259] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.703502][ T259] ? vprintk_emit+0x320/0x3e0 [ 11.703505][ T259] vprintk_emit+0x37c/0x3e0 [ 11.703508][ T259] ? wake_up_klogd_work_func+0x90/0x90 [ 11.703511][ T259] ? __lock_acquire+0x518/0xc20 [ 11.703515][ T259] _printk+0xc7/0x100 [ 11.703518][ T259] ? snapshot_read.cold+0x21/0x21 [ 11.703521][ T259] ? do_raw_spin_lock+0x131/0x280 [ 11.703524][ T259] ? __rwlock_init+0x150/0x150 [ 11.703527][ T259] ? do_raw_spin_lock+0x131/0x280 [ 11.703530][ T259] do_exit.cold+0x82/0x9c [ 11.703534][ T259] ? exit_notify+0x890/0x890 [ 11.703535][ T259] ? __lock_release.isra.0+0x69/0x1a0 [ 11.703538][ T259] ? rcu_is_watching+0x16/0xd0 [ 11.703541][ T259] do_group_exit+0xb8/0x370 [ 11.703544][ T259] __x64_sys_exit_group+0x3c/0x50 [ 11.703546][ T259] x64_sys_call+0x1567/0x1570 [ 11.703548][ T259] do_syscall_64+0xff/0x530 [ 11.703552][ T259] ? exc_page_fault+0xee/0x100 [ 11.703555][ T259] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.703557][ T259] RIP: 0033:0x7fbe038401b8 [ 11.703559][ T259] Code: Unable to access opcode bytes at 0x7fbe0384018e. [ 11.703560][ T259] RSP: 002b:00007ffcda6a8a48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.703562][ T259] RAX: ffffffffffffffda RBX: 00007fbe03970f88 RCX: 00007fbe038401b8 [ 11.703564][ T259] RDX: 00007fbe0358afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.703565][ T259] RBP: 00007ffcda6a8aa0 R08: 0000000000000000 R09: 0000000000000050 [ 11.703565][ T259] R10: 00007ffcda6a8860 R11: 0000000000000246 R12: 0000000000000001 [ 11.703566][ T259] R13: 0000000000000000 R14: 00007fbe0396f680 R15: 00007fbe03970fa0 [ 11.703573][ T259] [ 25.874371][ T555] udpgso_bench_tx (555) used greatest stack depth: 23424 bytes left [ 25.874391][ T555] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 25.874393][ T555] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 555, name: udpgso_bench_tx [ 25.874395][ T555] preempt_count: 2, expected: 0 [ 25.874396][ T555] RCU nest depth: 0, expected: 0 [ 25.874396][ T555] locks held by udpgso_bench_tx/555: 5, last CPU#2: [ 25.874398][ T555] #0: ffffffffb32167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 25.874410][ T555] #1: ffffffffb337ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 25.874415][ T555] #2: ffffffffb337de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 25.874420][ T555] #3: ffffffffb329d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 25.874423][ T555] #4: ffffffffb329d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 25.874428][ T555] irq event stamp: 48354 [ 25.874429][ T555] hardirqs last enabled at (48353): [] __down_trylock_console_sem+0x86/0xa0 [ 25.874432][ T555] hardirqs last disabled at (48354): [] console_emit_next_record+0x3d4/0x4c0 [ 25.874434][ T555] softirqs last enabled at (47956): [] handle_softirqs+0x67c/0x900 [ 25.874436][ T555] softirqs last disabled at (47861): [] __irq_exit_rcu+0x145/0x1c0 [ 25.874438][ T555] Preemption disabled at: [ 25.874439][ T555] [<0000000000000000>] 0x0 [ 25.874446][ T555] CPU: 2 UID: 0 PID: 555 Comm: udpgso_bench_tx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.874449][ T555] Tainted: [W]=WARN [ 25.874450][ T555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.874452][ T555] Call Trace: [ 25.874454][ T555] [ 25.874455][ T555] dump_stack_lvl+0x6f/0xa0 [ 25.874462][ T555] __might_resched.cold+0x1fe/0x2c1 [ 25.874466][ T555] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 25.874470][ T555] ? __kmalloc_noprof+0xdb/0x760 [ 25.874475][ T555] __kmalloc_noprof+0x443/0x760 [ 25.874476][ T555] ? alloc_buf.isra.0+0x4b/0x260 [ 25.874483][ T555] ? do_raw_spin_unlock+0x59/0x250 [ 25.874486][ T555] alloc_buf.isra.0+0x4b/0x260 [ 25.874490][ T555] put_chars+0x1e1/0x2f0 [ 25.874492][ T555] ? __send_to_port+0x420/0x420 [ 25.874494][ T555] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.874497][ T555] ? validate_chain+0x38b/0xc20 [ 25.874503][ T555] hvc_console_print+0x292/0x780 [ 25.874510][ T555] ? hvc_write+0x3a0/0x3a0 [ 25.874513][ T555] ? rcu_is_watching+0x16/0xd0 [ 25.874515][ T555] ? lock_acquire+0x13c/0x160 [ 25.874519][ T555] console_emit_next_record+0x22f/0x4c0 [ 25.874523][ T555] ? devkmsg_read+0x4b0/0x4b0 [ 25.874525][ T555] ? console_flush_one_record+0x106/0x710 [ 25.874528][ T555] ? rcu_is_watching+0x16/0xd0 [ 25.874530][ T555] ? lock_acquire+0x13c/0x160 [ 25.874534][ T555] console_flush_one_record+0x46f/0x710 [ 25.874538][ T555] ? console_emit_next_record+0x4c0/0x4c0 [ 25.874540][ T555] ? __lock_acquire+0x518/0xc20 [ 25.874546][ T555] console_unlock+0xee/0x1f0 [ 25.874548][ T555] ? console_flush_one_record+0x710/0x710 [ 25.874550][ T555] ? rcu_is_watching+0x16/0xd0 [ 25.874552][ T555] ? lock_acquire+0xe0/0x160 [ 25.874556][ T555] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.874558][ T555] ? vprintk_emit+0x320/0x3e0 [ 25.874560][ T555] vprintk_emit+0x37c/0x3e0 [ 25.874564][ T555] ? wake_up_klogd_work_func+0x90/0x90 [ 25.874565][ T555] ? do_raw_spin_unlock+0x59/0x250 [ 25.874568][ T555] ? __lock_acquire+0x518/0xc20 [ 25.874572][ T555] _printk+0xc7/0x100 [ 25.874575][ T555] ? snapshot_read.cold+0x21/0x21 [ 25.874578][ T555] ? do_raw_spin_lock+0x131/0x280 [ 25.874581][ T555] ? __rwlock_init+0x150/0x150 [ 25.874585][ T555] ? do_raw_spin_lock+0x131/0x280 [ 25.874588][ T555] do_exit.cold+0x82/0x9c [ 25.874591][ T555] ? exit_notify+0x890/0x890 [ 25.874592][ T555] ? __lock_release.isra.0+0x69/0x1a0 [ 25.874595][ T555] ? rcu_is_watching+0x16/0xd0 [ 25.874599][ T555] do_group_exit+0xb8/0x370 [ 25.874602][ T555] __x64_sys_exit_group+0x3c/0x50 [ 25.874604][ T555] x64_sys_call+0x1567/0x1570 [ 25.874606][ T555] do_syscall_64+0xff/0x530 [ 25.874610][ T555] ? exc_page_fault+0xee/0x100 [ 25.874613][ T555] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 25.874615][ T555] RIP: 0033:0x7feacdd2e1b8 [ 25.874618][ T555] Code: Unable to access opcode bytes at 0x7feacdd2e18e. [ 25.874619][ T555] RSP: 002b:00007ffc3e28b0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.874621][ T555] RAX: ffffffffffffffda RBX: 00007feacde5ef88 RCX: 00007feacdd2e1b8 [ 25.874623][ T555] RDX: 00007feacdc6ba48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 25.874623][ T555] RBP: 00007ffc3e28b130 R08: 0000000000000000 R09: 0000000000000000 [ 25.874624][ T555] R10: 00007ffc3e28af70 R11: 0000000000000246 R12: 0000000000000001 [ 25.874625][ T555] R13: 0000000000000000 R14: 00007feacde5d680 R15: 00007feacde5efa0 [ 25.874632][ T555] [ 27.806935][ T624] br0: port 1(veth1) entered blocking state [ 27.807015][ T624] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.807017][ T624] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 624, name: ip [ 27.807019][ T624] preempt_count: 1, expected: 0 [ 27.807020][ T624] RCU nest depth: 0, expected: 0 [ 27.807020][ T624] locks held by ip/624: 5, last CPU#3: [ 27.807022][ T624] #0: ffffffffb3b1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 27.807034][ T624] #1: ffffffffb337ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 27.807039][ T624] #2: ffffffffb337de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 27.807043][ T624] #3: ffffffffb329d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 27.807047][ T624] #4: ffffffffb329d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 27.807051][ T624] irq event stamp: 16034 [ 27.807051][ T624] hardirqs last enabled at (16033): [] __down_trylock_console_sem+0x86/0xa0 [ 27.807055][ T624] hardirqs last disabled at (16034): [] console_emit_next_record+0x3d4/0x4c0 [ 27.807057][ T624] softirqs last enabled at (15944): [] __alloc_skb+0x4c2/0x5f0 [ 27.807060][ T624] softirqs last disabled at (15942): [] __alloc_skb+0x4c2/0x5f0 [ 27.807063][ T624] Preemption disabled at: [ 27.807063][ T624] [] vprintk_emit+0x31b/0x3e0 [ 27.807068][ T624] CPU: 3 UID: 0 PID: 624 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.807072][ T624] Tainted: [W]=WARN [ 27.807073][ T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.807074][ T624] Call Trace: [ 27.807076][ T624] [ 27.807077][ T624] dump_stack_lvl+0x6f/0xa0 [ 27.807083][ T624] ? vprintk_emit+0x31b/0x3e0 [ 27.807085][ T624] __might_resched.cold+0x1fe/0x2c1 [ 27.807089][ T624] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.807093][ T624] ? __kmalloc_noprof+0xdb/0x760 [ 27.807098][ T624] __kmalloc_noprof+0x443/0x760 [ 27.807099][ T624] ? alloc_buf.isra.0+0x4b/0x260 [ 27.807106][ T624] ? do_raw_spin_unlock+0x59/0x250 [ 27.807109][ T624] alloc_buf.isra.0+0x4b/0x260 [ 27.807112][ T624] put_chars+0x1e1/0x2f0 [ 27.807115][ T624] ? __send_to_port+0x420/0x420 [ 27.807118][ T624] ? validate_chain+0x34a/0xc20 [ 27.807123][ T624] hvc_console_print+0x292/0x780 [ 27.807131][ T624] ? hvc_write+0x3a0/0x3a0 [ 27.807133][ T624] ? rcu_is_watching+0x16/0xd0 [ 27.807136][ T624] ? lock_acquire+0x13c/0x160 [ 27.807140][ T624] console_emit_next_record+0x22f/0x4c0 [ 27.807144][ T624] ? devkmsg_read+0x4b0/0x4b0 [ 27.807146][ T624] ? console_flush_one_record+0x106/0x710 [ 27.807149][ T624] ? rcu_is_watching+0x16/0xd0 [ 27.807151][ T624] ? lock_acquire+0x13c/0x160 [ 27.807154][ T624] console_flush_one_record+0x46f/0x710 [ 27.807159][ T624] ? console_emit_next_record+0x4c0/0x4c0 [ 27.807160][ T624] ? __lock_acquire+0x518/0xc20 [ 27.807166][ T624] console_unlock+0xee/0x1f0 [ 27.807168][ T624] ? console_flush_one_record+0x710/0x710 [ 27.807170][ T624] ? rcu_is_watching+0x16/0xd0 [ 27.807172][ T624] ? lock_acquire+0xe0/0x160 [ 27.807176][ T624] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.807177][ T624] ? vprintk_emit+0x320/0x3e0 [ 27.807180][ T624] vprintk_emit+0x37c/0x3e0 [ 27.807183][ T624] ? wake_up_klogd_work_func+0x90/0x90 [ 27.807185][ T624] ? __lock_release.isra.0+0x69/0x1a0 [ 27.807186][ T624] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 27.807191][ T624] ? mark_held_locks+0x40/0x70 [ 27.807194][ T624] _printk+0xc7/0x100 [ 27.807198][ T624] ? snapshot_read.cold+0x21/0x21 [ 27.807201][ T624] ? br_multicast_flood+0x960/0x960 [ 27.807205][ T624] ? do_setlink.isra.0+0x9ec/0x2a60 [ 27.807206][ T624] ? rtnl_newlink+0x9f1/0x11b0 [ 27.807207][ T624] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.807212][ T624] br_set_state+0x22f/0x430 [ 27.807215][ T624] br_init_port+0xc4/0x200 [ 27.807218][ T624] new_nbp+0x3a0/0x650 [ 27.807221][ T624] br_add_if+0x212/0x1320 [ 27.807224][ T624] ? is_bpf_text_address+0x72/0x110 [ 27.807227][ T624] ? kernel_text_address+0x149/0x170 [ 27.807233][ T624] do_set_master+0x3b2/0x780 [ 27.807236][ T624] do_setlink.isra.0+0x9ec/0x2a60 [ 27.807239][ T624] ? stack_trace_save+0x93/0xc0 [ 27.807243][ T624] ? rtnl_link_get_size+0x350/0x350 [ 27.807244][ T624] ? rcu_read_lock_any_held+0x66/0x90 [ 27.807247][ T624] ? stack_depot_save_flags+0x38e/0x790 [ 27.807250][ T624] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.807252][ T624] ? rcu_read_lock_any_held+0x3c/0x90 [ 27.807254][ T624] ? validate_chain+0x38b/0xc20 [ 27.807256][ T624] ? kasan_save_stack+0x3d/0x50 [ 27.807259][ T624] ? kasan_save_stack+0x2f/0x50 [ 27.807260][ T624] ? kasan_save_track+0x14/0x30 [ 27.807261][ T624] ? __kasan_kmalloc+0x7b/0x90 [ 27.807263][ T624] ? __lock_acquire+0x518/0xc20 [ 27.807265][ T624] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 27.807268][ T624] ? ___sys_sendmsg+0xd0/0x1d0 [ 27.807272][ T624] ? lock_acquire.part.0+0xd4/0x280 [ 27.807274][ T624] ? rtnl_newlink+0x9a8/0x11b0 [ 27.807277][ T624] ? rcu_is_watching+0x16/0xd0 [ 27.807278][ T624] ? lock_acquire+0x13c/0x160 [ 27.807280][ T624] ? rcu_is_watching+0x16/0xd0 [ 27.807281][ T624] ? rcu_is_watching+0x16/0xd0 [ 27.807283][ T624] ? trace_contention_end+0xb3/0x180 [ 27.807285][ T624] ? __mutex_lock+0x1db/0x1ea0 [ 27.807286][ T624] ? __mutex_lock+0x9a3/0x1ea0 [ 27.807288][ T624] ? rtnl_newlink+0x9a8/0x11b0 [ 27.807291][ T624] ? ww_mutex_lock+0x160/0x160 [ 27.807293][ T624] ? nla_get_range_signed+0x3d0/0x3d0 [ 27.807298][ T624] ? rcu_is_watching+0x16/0xd0 [ 27.807300][ T624] ? __rtnl_newlink+0x3fa/0xa50 [ 27.807305][ T624] rtnl_newlink+0x9f1/0x11b0 [ 27.807311][ T624] ? rtnl_bridge_getlink+0x850/0x850 [ 27.807312][ T624] ? __lock_acquire+0x518/0xc20 [ 27.807317][ T624] ? lock_acquire.part.0+0xd4/0x280 [ 27.807319][ T624] ? find_held_lock+0x2b/0x80 [ 27.807321][ T624] ? rtnl_bridge_getlink+0x850/0x850 [ 27.807323][ T624] ? __lock_release.isra.0+0x69/0x1a0 [ 27.807326][ T624] ? rtnl_bridge_getlink+0x850/0x850 [ 27.807328][ T624] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.807331][ T624] ? rtnl_link_fill+0x920/0x920 [ 27.807333][ T624] ? __lock_acquire+0x518/0xc20 [ 27.807337][ T624] ? lock_acquire.part.0+0xd4/0x280 [ 27.807339][ T624] ? find_held_lock+0x2b/0x80 [ 27.807343][ T624] netlink_rcv_skb+0x14e/0x3a0 [ 27.807346][ T624] ? rtnl_link_fill+0x920/0x920 [ 27.807348][ T624] ? netlink_ack+0xcf0/0xcf0 [ 27.807355][ T624] ? netlink_deliver_tap+0xc5/0x330 [ 27.807357][ T624] ? netlink_deliver_tap+0x13c/0x330 [ 27.807361][ T624] netlink_unicast+0x486/0x750 [ 27.807365][ T624] ? netlink_attachskb+0x810/0x810 [ 27.807368][ T624] ? find_held_lock+0x2b/0x80 [ 27.807372][ T624] netlink_sendmsg+0x75b/0xc90 [ 27.807376][ T624] ? netlink_unicast+0x750/0x750 [ 27.807380][ T624] ? __lock_release.isra.0+0x69/0x1a0 [ 27.807381][ T624] ? __import_iovec+0x36c/0x620 [ 27.807389][ T624] __sock_sendmsg+0xce/0x190 [ 27.807392][ T624] ____sys_sendmsg+0x61a/0x860 [ 27.807394][ T624] ? copy_msghdr_from_user+0x279/0x420 [ 27.807396][ T624] ? sock_write_iter+0x400/0x400 [ 27.807398][ T624] ? move_addr_to_kernel+0x40/0x40 [ 27.807405][ T624] ___sys_sendmsg+0x14e/0x1d0 [ 27.807408][ T624] ? copy_msghdr_from_user+0x420/0x420 [ 27.807424][ T624] __sys_sendmsg+0x12c/0x1d0 [ 27.807427][ T624] ? __sys_sendmsg_sock+0x20/0x20 [ 27.807433][ T624] ? rcu_is_watching+0x16/0xd0 [ 27.807436][ T624] do_syscall_64+0xff/0x530 [ 27.807439][ T624] ? exc_page_fault+0xee/0x100 [ 27.807442][ T624] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.807444][ T624] RIP: 0033:0x7f54cffff54e [ 27.807448][ T624] 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 [ 27.807450][ T624] RSP: 002b:00007fff274bd2b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 27.807452][ T624] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f54cffff54e [ 27.807454][ T624] RDX: 0000000000000000 RSI: 00007fff274bd360 RDI: 0000000000000005 [ 27.807454][ T624] RBP: 00007fff274bd2c0 R08: 0000000000000000 R09: 0000000000000000 [ 27.807455][ T624] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91075b [ 27.807456][ T624] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff274bda30 [ 27.807463][ T624] [ 27.842301][ T624] br0: port 1(veth1) entered disabled state [ 27.842652][ T624] veth1: entered allmulticast mode [ 27.843817][ T624] veth1: entered promiscuous mode [ 27.865948][ T624] ip (624) used greatest stack depth: 23336 bytes left [ 28.048188][ T629] br0: port 2(veth_segment) entered blocking state [ 28.048479][ T629] br0: port 2(veth_segment) entered disabled state [ 28.048749][ T629] veth_segment: entered allmulticast mode [ 28.049712][ T629] veth_segment: entered promiscuous mode [ 28.075122][ T630] br0: port 2(veth_segment) entered blocking state [ 28.075601][ T630] br0: port 2(veth_segment) entered forwarding state [ 28.076164][ T630] br0: port 1(veth1) entered blocking state [ 28.076447][ T630] br0: port 1(veth1) entered forwarding state [ 30.382133][ T643] iperf3 (643) used greatest stack depth: 22464 bytes left [ 30.382152][ T643] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.382154][ T643] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 643, name: iperf3 [ 30.382156][ T643] preempt_count: 2, expected: 0 [ 30.382157][ T643] RCU nest depth: 0, expected: 0 [ 30.382158][ T643] locks held by iperf3/643: 5, last CPU#1: [ 30.382159][ T643] #0: ffffffffb32167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 30.382172][ T643] #1: ffffffffb337ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 30.382177][ T643] #2: ffffffffb337de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 30.382181][ T643] #3: ffffffffb329d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 30.382185][ T643] #4: ffffffffb329d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 30.382189][ T643] irq event stamp: 1361472 [ 30.382190][ T643] hardirqs last enabled at (1361471): [] __down_trylock_console_sem+0x86/0xa0 [ 30.382193][ T643] hardirqs last disabled at (1361472): [] console_emit_next_record+0x3d4/0x4c0 [ 30.382195][ T643] softirqs last enabled at (1361058): [] fpu__clear_user_states+0x104/0x290 [ 30.382199][ T643] softirqs last disabled at (1361056): [] fpu__clear_user_states+0x6d/0x290 [ 30.382202][ T643] Preemption disabled at: [ 30.382203][ T643] [<0000000000000000>] 0x0 [ 30.382210][ T643] CPU: 1 UID: 0 PID: 643 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.382213][ T643] Tainted: [W]=WARN [ 30.382214][ T643] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.382216][ T643] Call Trace: [ 30.382217][ T643] [ 30.382219][ T643] dump_stack_lvl+0x6f/0xa0 [ 30.382225][ T643] __might_resched.cold+0x1fe/0x2c1 [ 30.382230][ T643] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.382234][ T643] ? __kmalloc_noprof+0xdb/0x760 [ 30.382238][ T643] __kmalloc_noprof+0x443/0x760 [ 30.382240][ T643] ? alloc_buf.isra.0+0x4b/0x260 [ 30.382247][ T643] ? do_raw_spin_unlock+0x59/0x250 [ 30.382250][ T643] alloc_buf.isra.0+0x4b/0x260 [ 30.382254][ T643] put_chars+0x1e1/0x2f0 [ 30.382256][ T643] ? prb_final_commit+0x50/0x50 [ 30.382258][ T643] ? __send_to_port+0x420/0x420 [ 30.382261][ T643] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.382264][ T643] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.382267][ T643] ? validate_chain+0x38b/0xc20 [ 30.382271][ T643] hvc_console_print+0x292/0x780 [ 30.382275][ T643] ? mark_usage+0x61/0x170 [ 30.382278][ T643] ? __lock_acquire+0x518/0xc20 [ 30.382279][ T643] ? __lock_acquire+0x518/0xc20 [ 30.382283][ T643] ? hvc_write+0x3a0/0x3a0 [ 30.382286][ T643] ? console_emit_next_record+0x1df/0x4c0 [ 30.382289][ T643] ? rcu_is_watching+0x16/0xd0 [ 30.382291][ T643] ? lock_acquire+0x13c/0x160 [ 30.382295][ T643] console_emit_next_record+0x22f/0x4c0 [ 30.382299][ T643] ? devkmsg_read+0x4b0/0x4b0 [ 30.382301][ T643] ? console_flush_one_record+0x106/0x710 [ 30.382304][ T643] ? rcu_is_watching+0x16/0xd0 [ 30.382306][ T643] ? lock_acquire+0x13c/0x160 [ 30.382310][ T643] console_flush_one_record+0x46f/0x710 [ 30.382314][ T643] ? console_emit_next_record+0x4c0/0x4c0 [ 30.382316][ T643] ? __lock_acquire+0x518/0xc20 [ 30.382322][ T643] console_unlock+0xee/0x1f0 [ 30.382325][ T643] ? console_flush_one_record+0x710/0x710 [ 30.382327][ T643] ? rcu_is_watching+0x16/0xd0 [ 30.382328][ T643] ? lock_acquire+0xe0/0x160 [ 30.382332][ T643] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.382334][ T643] ? vprintk_emit+0x320/0x3e0 [ 30.382337][ T643] vprintk_emit+0x37c/0x3e0 [ 30.382340][ T643] ? wake_up_klogd_work_func+0x90/0x90 [ 30.382341][ T643] ? do_raw_spin_unlock+0x59/0x250 [ 30.382344][ T643] ? __lock_acquire+0x518/0xc20 [ 30.382348][ T643] _printk+0xc7/0x100 [ 30.382351][ T643] ? snapshot_read.cold+0x21/0x21 [ 30.382354][ T643] ? do_raw_spin_lock+0x131/0x280 [ 30.382357][ T643] ? __rwlock_init+0x150/0x150 [ 30.382361][ T643] ? do_raw_spin_lock+0x131/0x280 [ 30.382364][ T643] do_exit.cold+0x82/0x9c [ 30.382368][ T643] ? exit_notify+0x890/0x890 [ 30.382373][ T643] __x64_sys_exit+0x42/0x50 [ 30.382375][ T643] x64_sys_call+0x156c/0x1570 [ 30.382377][ T643] do_syscall_64+0xff/0x530 [ 30.382381][ T643] ? exc_page_fault+0xee/0x100 [ 30.382388][ T643] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.382390][ T643] RIP: 0033:0x7f2a9f2eec49 [ 30.382392][ T643] Code: Unable to access opcode bytes at 0x7f2a9f2eec1f. [ 30.382393][ T643] RSP: 002b:00007f2a9eaade60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 30.382396][ T643] RAX: ffffffffffffffda RBX: 00007f2a9eaae6c0 RCX: 00007f2a9f2eec49 [ 30.382397][ T643] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 30.382398][ T643] RBP: 00007f2a9eaadf70 R08: 0000000000000001 R09: 00007f2a9eaae6c0 [ 30.382399][ T643] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f2a9e2ae000 [ 30.382400][ T643] R13: 00007ffd77168e20 R14: 0000000000000002 R15: 00007ffd77168f27 [ 30.382407][ T643] [ 30.539382][ T70] br0: port 1(veth1) entered disabled state [ 30.548031][ T70] veth1 (unregistering): left allmulticast mode [ 30.548476][ T70] veth1 (unregistering): left promiscuous mode [ 30.548752][ T70] br0: port 1(veth1) entered disabled state [ 30.588953][ T70] veth_segment: left allmulticast mode [ 30.589203][ T70] veth_segment: left promiscuous mode [ 30.589859][ T70] br0: port 2(veth_segment) entered disabled state [ 48.560411][ T1057] br0: port 1(veth1) entered blocking state [ 48.560428][ T1057] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 48.560430][ T1057] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1057, name: ip [ 48.560432][ T1057] preempt_count: 1, expected: 0 [ 48.560433][ T1057] RCU nest depth: 0, expected: 0 [ 48.560434][ T1057] locks held by ip/1057: 5, last CPU#2: [ 48.560436][ T1057] #0: ffffffffb3b1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 48.560447][ T1057] #1: ffffffffb337ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 48.560453][ T1057] #2: ffffffffb337de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 48.560457][ T1057] #3: ffffffffb329d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 48.560461][ T1057] #4: ffffffffb329d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 48.560466][ T1057] irq event stamp: 16360 [ 48.560467][ T1057] hardirqs last enabled at (16359): [] __down_trylock_console_sem+0x86/0xa0 [ 48.560470][ T1057] hardirqs last disabled at (16360): [] console_emit_next_record+0x3d4/0x4c0 [ 48.560472][ T1057] softirqs last enabled at (16306): [] __alloc_skb+0x4c2/0x5f0 [ 48.560476][ T1057] softirqs last disabled at (16304): [] __alloc_skb+0x4c2/0x5f0 [ 48.560478][ T1057] Preemption disabled at: [ 48.560479][ T1057] [] vprintk_emit+0x31b/0x3e0 [ 48.560484][ T1057] CPU: 2 UID: 0 PID: 1057 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 48.560488][ T1057] Tainted: [W]=WARN [ 48.560488][ T1057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.560490][ T1057] Call Trace: [ 48.560492][ T1057] [ 48.560494][ T1057] dump_stack_lvl+0x6f/0xa0 [ 48.560500][ T1057] ? vprintk_emit+0x31b/0x3e0 [ 48.560501][ T1057] __might_resched.cold+0x1fe/0x2c1 [ 48.560506][ T1057] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 48.560510][ T1057] ? __kmalloc_noprof+0xdb/0x760 [ 48.560515][ T1057] __kmalloc_noprof+0x443/0x760 [ 48.560518][ T1057] ? alloc_buf.isra.0+0x4b/0x260 [ 48.560527][ T1057] ? do_raw_spin_unlock+0x59/0x250 [ 48.560530][ T1057] alloc_buf.isra.0+0x4b/0x260 [ 48.560536][ T1057] put_chars+0x1e1/0x2f0 [ 48.560540][ T1057] ? __send_to_port+0x420/0x420 [ 48.560542][ T1057] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 48.560547][ T1057] ? validate_chain+0x38b/0xc20 [ 48.560555][ T1057] hvc_console_print+0x292/0x780 [ 48.560563][ T1057] ? hvc_write+0x3a0/0x3a0 [ 48.560565][ T1057] ? rcu_is_watching+0x16/0xd0 [ 48.560567][ T1057] ? lock_acquire+0x13c/0x160 [ 48.560572][ T1057] console_emit_next_record+0x22f/0x4c0 [ 48.560576][ T1057] ? devkmsg_read+0x4b0/0x4b0 [ 48.560578][ T1057] ? console_flush_one_record+0x106/0x710 [ 48.560581][ T1057] ? rcu_is_watching+0x16/0xd0 [ 48.560583][ T1057] ? lock_acquire+0x13c/0x160 [ 48.560587][ T1057] console_flush_one_record+0x46f/0x710 [ 48.560591][ T1057] ? console_emit_next_record+0x4c0/0x4c0 [ 48.560593][ T1057] ? __lock_acquire+0x518/0xc20 [ 48.560599][ T1057] console_unlock+0xee/0x1f0 [ 48.560602][ T1057] ? console_flush_one_record+0x710/0x710 [ 48.560604][ T1057] ? rcu_is_watching+0x16/0xd0 [ 48.560605][ T1057] ? lock_acquire+0xe0/0x160 [ 48.560609][ T1057] ? __down_trylock_console_sem+0x5e/0xa0 [ 48.560611][ T1057] ? vprintk_emit+0x320/0x3e0 [ 48.560614][ T1057] vprintk_emit+0x37c/0x3e0 [ 48.560617][ T1057] ? wake_up_klogd_work_func+0x90/0x90 [ 48.560619][ T1057] ? __lock_release.isra.0+0x69/0x1a0 [ 48.560621][ T1057] ? mark_held_locks+0x40/0x70 [ 48.560625][ T1057] _printk+0xc7/0x100 [ 48.560629][ T1057] ? snapshot_read.cold+0x21/0x21 [ 48.560633][ T1057] ? br_multicast_flood+0x960/0x960 [ 48.560636][ T1057] ? do_setlink.isra.0+0x9ec/0x2a60 [ 48.560637][ T1057] ? rtnl_newlink+0x9f1/0x11b0 [ 48.560639][ T1057] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 48.560643][ T1057] br_set_state+0x22f/0x430 [ 48.560648][ T1057] br_init_port+0xc4/0x200 [ 48.560650][ T1057] new_nbp+0x3a0/0x650 [ 48.560654][ T1057] br_add_if+0x212/0x1320 [ 48.560657][ T1057] ? is_bpf_text_address+0x72/0x110 [ 48.560660][ T1057] ? kernel_text_address+0x149/0x170 [ 48.560666][ T1057] do_set_master+0x3b2/0x780 [ 48.560669][ T1057] do_setlink.isra.0+0x9ec/0x2a60 [ 48.560673][ T1057] ? stack_trace_save+0x93/0xc0 [ 48.560676][ T1057] ? rtnl_link_get_size+0x350/0x350 [ 48.560678][ T1057] ? rcu_read_lock_any_held+0x66/0x90 [ 48.560680][ T1057] ? stack_depot_save_flags+0x38e/0x790 [ 48.560684][ T1057] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 48.560686][ T1057] ? rcu_read_lock_any_held+0x3c/0x90 [ 48.560688][ T1057] ? validate_chain+0x38b/0xc20 [ 48.560690][ T1057] ? kasan_save_stack+0x3d/0x50 [ 48.560693][ T1057] ? kasan_save_stack+0x2f/0x50 [ 48.560694][ T1057] ? kasan_save_track+0x14/0x30 [ 48.560695][ T1057] ? __kasan_kmalloc+0x7b/0x90 [ 48.560698][ T1057] ? __lock_acquire+0x518/0xc20 [ 48.560700][ T1057] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 48.560703][ T1057] ? ___sys_sendmsg+0xd0/0x1d0 [ 48.560707][ T1057] ? lock_acquire.part.0+0xd4/0x280 [ 48.560709][ T1057] ? rtnl_newlink+0x9a8/0x11b0 [ 48.560711][ T1057] ? rcu_is_watching+0x16/0xd0 [ 48.560713][ T1057] ? lock_acquire+0x13c/0x160 [ 48.560715][ T1057] ? rcu_is_watching+0x16/0xd0 [ 48.560716][ T1057] ? rcu_is_watching+0x16/0xd0 [ 48.560718][ T1057] ? trace_contention_end+0xb3/0x180 [ 48.560720][ T1057] ? __mutex_lock+0x1db/0x1ea0 [ 48.560722][ T1057] ? __mutex_lock+0x9a3/0x1ea0 [ 48.560724][ T1057] ? rtnl_newlink+0x9a8/0x11b0 [ 48.560728][ T1057] ? ww_mutex_lock+0x160/0x160 [ 48.560729][ T1057] ? nla_get_range_signed+0x3d0/0x3d0 [ 48.560734][ T1057] ? rcu_is_watching+0x16/0xd0 [ 48.560737][ T1057] ? __rtnl_newlink+0x3fa/0xa50 [ 48.560742][ T1057] rtnl_newlink+0x9f1/0x11b0 [ 48.560747][ T1057] ? rtnl_bridge_getlink+0x850/0x850 [ 48.560749][ T1057] ? __lock_acquire+0x518/0xc20 [ 48.560754][ T1057] ? lock_acquire.part.0+0xd4/0x280 [ 48.560756][ T1057] ? find_held_lock+0x2b/0x80 [ 48.560758][ T1057] ? rtnl_bridge_getlink+0x850/0x850 [ 48.560760][ T1057] ? __lock_release.isra.0+0x69/0x1a0 [ 48.560764][ T1057] ? rtnl_bridge_getlink+0x850/0x850 [ 48.560766][ T1057] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 48.560769][ T1057] ? rtnl_link_fill+0x920/0x920 [ 48.560771][ T1057] ? __lock_acquire+0x518/0xc20 [ 48.560775][ T1057] ? lock_acquire.part.0+0xd4/0x280 [ 48.560777][ T1057] ? find_held_lock+0x2b/0x80 [ 48.560781][ T1057] netlink_rcv_skb+0x14e/0x3a0 [ 48.560784][ T1057] ? rtnl_link_fill+0x920/0x920 [ 48.560787][ T1057] ? netlink_ack+0xcf0/0xcf0 [ 48.560793][ T1057] ? netlink_deliver_tap+0xc5/0x330 [ 48.560795][ T1057] ? netlink_deliver_tap+0x13c/0x330 [ 48.560800][ T1057] netlink_unicast+0x486/0x750 [ 48.560804][ T1057] ? netlink_attachskb+0x810/0x810 [ 48.560807][ T1057] ? find_held_lock+0x2b/0x80 [ 48.560811][ T1057] netlink_sendmsg+0x75b/0xc90 [ 48.560815][ T1057] ? netlink_unicast+0x750/0x750 [ 48.560819][ T1057] ? __lock_release.isra.0+0x69/0x1a0 [ 48.560821][ T1057] ? __import_iovec+0x36c/0x620 [ 48.560826][ T1057] __sock_sendmsg+0xce/0x190 [ 48.560829][ T1057] ____sys_sendmsg+0x61a/0x860 [ 48.560831][ T1057] ? copy_msghdr_from_user+0x279/0x420 [ 48.560834][ T1057] ? sock_write_iter+0x400/0x400 [ 48.560835][ T1057] ? move_addr_to_kernel+0x40/0x40 [ 48.560843][ T1057] ___sys_sendmsg+0x14e/0x1d0 [ 48.560846][ T1057] ? copy_msghdr_from_user+0x420/0x420 [ 48.560862][ T1057] __sys_sendmsg+0x12c/0x1d0 [ 48.560865][ T1057] ? __sys_sendmsg_sock+0x20/0x20 [ 48.560871][ T1057] ? rcu_is_watching+0x16/0xd0 [ 48.560874][ T1057] do_syscall_64+0xff/0x530 [ 48.560877][ T1057] ? exc_page_fault+0xee/0x100 [ 48.560880][ T1057] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 48.560883][ T1057] RIP: 0033:0x7f9e6589654e [ 48.560887][ T1057] 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 [ 48.560888][ T1057] RSP: 002b:00007ffd44adcce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 48.560891][ T1057] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9e6589654e [ 48.560892][ T1057] RDX: 0000000000000000 RSI: 00007ffd44adcd90 RDI: 0000000000000005 [ 48.560893][ T1057] RBP: 00007ffd44adccf0 R08: 0000000000000000 R09: 0000000000000000 [ 48.560894][ T1057] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910770 [ 48.560895][ T1057] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd44add460 [ 48.560902][ T1057] [ 48.603625][ T1057] br0: port 1(veth1) entered disabled state [ 48.604054][ T1057] veth1: entered allmulticast mode [ 48.605153][ T1057] veth1: entered promiscuous mode [ 48.812715][ T1062] br0: port 2(veth_segment) entered blocking state [ 48.813012][ T1062] br0: port 2(veth_segment) entered disabled state [ 48.813294][ T1062] veth_segment: entered allmulticast mode [ 48.814292][ T1062] veth_segment: entered promiscuous mode [ 48.855518][ T1063] br0: port 2(veth_segment) entered blocking state [ 48.855858][ T1063] br0: port 2(veth_segment) entered forwarding state [ 48.856376][ T1063] br0: port 1(veth1) entered blocking state [ 48.856731][ T1063] br0: port 1(veth1) entered forwarding state [ 51.145016][ T1076] iperf3 (1076) used greatest stack depth: 21240 bytes left [ 51.145034][ T1076] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 51.145037][ T1076] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1076, name: iperf3 [ 51.145038][ T1076] preempt_count: 2, expected: 0 [ 51.145039][ T1076] RCU nest depth: 0, expected: 0 [ 51.145040][ T1076] locks held by iperf3/1076: 5, last CPU#1: [ 51.145042][ T1076] #0: ffffffffb32167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 51.145053][ T1076] #1: ffffffffb337ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 51.145058][ T1076] #2: ffffffffb337de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 51.145063][ T1076] #3: ffffffffb329d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 51.145066][ T1076] #4: ffffffffb329d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 51.145070][ T1076] irq event stamp: 1291558 [ 51.145071][ T1076] hardirqs last enabled at (1291557): [] __down_trylock_console_sem+0x86/0xa0 [ 51.145075][ T1076] hardirqs last disabled at (1291558): [] console_emit_next_record+0x3d4/0x4c0 [ 51.145077][ T1076] softirqs last enabled at (1291472): [] tcp_sendmsg+0x39/0x50 [ 51.145080][ T1076] softirqs last disabled at (1291470): [] __release_sock+0x205/0x3a0 [ 51.145084][ T1076] Preemption disabled at: [ 51.145085][ T1076] [<0000000000000000>] 0x0 [ 51.145092][ T1076] CPU: 1 UID: 0 PID: 1076 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 51.145095][ T1076] Tainted: [W]=WARN [ 51.145096][ T1076] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.145098][ T1076] Call Trace: [ 51.145099][ T1076] [ 51.145101][ T1076] dump_stack_lvl+0x6f/0xa0 [ 51.145107][ T1076] __might_resched.cold+0x1fe/0x2c1 [ 51.145112][ T1076] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 51.145116][ T1076] ? __kmalloc_noprof+0xdb/0x760 [ 51.145120][ T1076] __kmalloc_noprof+0x443/0x760 [ 51.145122][ T1076] ? alloc_buf.isra.0+0x4b/0x260 [ 51.145128][ T1076] ? do_raw_spin_unlock+0x59/0x250 [ 51.145131][ T1076] alloc_buf.isra.0+0x4b/0x260 [ 51.145135][ T1076] put_chars+0x1e1/0x2f0 [ 51.145137][ T1076] ? prb_final_commit+0x50/0x50 [ 51.145139][ T1076] ? __send_to_port+0x420/0x420 [ 51.145142][ T1076] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 51.145145][ T1076] ? rcu_read_lock_any_held+0x3c/0x90 [ 51.145148][ T1076] ? validate_chain+0x38b/0xc20 [ 51.145152][ T1076] hvc_console_print+0x292/0x780 [ 51.145156][ T1076] ? mark_usage+0x61/0x170 [ 51.145158][ T1076] ? __lock_acquire+0x518/0xc20 [ 51.145159][ T1076] ? __lock_acquire+0x518/0xc20 [ 51.145163][ T1076] ? hvc_write+0x3a0/0x3a0 [ 51.145166][ T1076] ? console_emit_next_record+0x1df/0x4c0 [ 51.145169][ T1076] ? rcu_is_watching+0x16/0xd0 [ 51.145171][ T1076] ? lock_acquire+0x13c/0x160 [ 51.145175][ T1076] console_emit_next_record+0x22f/0x4c0 [ 51.145179][ T1076] ? devkmsg_read+0x4b0/0x4b0 [ 51.145181][ T1076] ? console_flush_one_record+0x106/0x710 [ 51.145184][ T1076] ? rcu_is_watching+0x16/0xd0 [ 51.145185][ T1076] ? lock_acquire+0x13c/0x160 [ 51.145189][ T1076] console_flush_one_record+0x46f/0x710 [ 51.145193][ T1076] ? console_emit_next_record+0x4c0/0x4c0 [ 51.145195][ T1076] ? __lock_acquire+0x518/0xc20 [ 51.145200][ T1076] console_unlock+0xee/0x1f0 [ 51.145203][ T1076] ? console_flush_one_record+0x710/0x710 [ 51.145205][ T1076] ? rcu_is_watching+0x16/0xd0 [ 51.145207][ T1076] ? lock_acquire+0xe0/0x160 [ 51.145211][ T1076] ? __down_trylock_console_sem+0x5e/0xa0 [ 51.145212][ T1076] ? vprintk_emit+0x320/0x3e0 [ 51.145215][ T1076] vprintk_emit+0x37c/0x3e0 [ 51.145218][ T1076] ? wake_up_klogd_work_func+0x90/0x90 [ 51.145219][ T1076] ? do_raw_spin_unlock+0x59/0x250 [ 51.145222][ T1076] ? __lock_acquire+0x518/0xc20 [ 51.145226][ T1076] _printk+0xc7/0x100 [ 51.145229][ T1076] ? snapshot_read.cold+0x21/0x21 [ 51.145232][ T1076] ? do_raw_spin_lock+0x131/0x280 [ 51.145235][ T1076] ? __rwlock_init+0x150/0x150 [ 51.145238][ T1076] ? do_raw_spin_lock+0x131/0x280 [ 51.145241][ T1076] do_exit.cold+0x82/0x9c [ 51.145245][ T1076] ? exit_notify+0x890/0x890 [ 51.145247][ T1076] ? restore_fpregs_from_fpstate+0x44/0x130 [ 51.145253][ T1076] __x64_sys_exit+0x42/0x50 [ 51.145255][ T1076] x64_sys_call+0x156c/0x1570 [ 51.145257][ T1076] do_syscall_64+0xff/0x530 [ 51.145261][ T1076] ? exc_page_fault+0xee/0x100 [ 51.145264][ T1076] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 51.145265][ T1076] RIP: 0033:0x7fdea0338c49 [ 51.145268][ T1076] Code: Unable to access opcode bytes at 0x7fdea0338c1f. [ 51.145269][ T1076] RSP: 002b:00007fde9faf7e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 51.145271][ T1076] RAX: ffffffffffffffda RBX: 00007fde9faf86c0 RCX: 00007fdea0338c49 [ 51.145272][ T1076] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 51.145273][ T1076] RBP: 00007fde9faf7f70 R08: 0000000000000001 R09: 00007fde9faf86c0 [ 51.145274][ T1076] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fde9f2f8000 [ 51.145275][ T1076] R13: 00007ffc63a5f750 R14: 0000000000000002 R15: 00007ffc63a5f857 [ 51.145282][ T1076] [ 51.286231][ T70] br0: port 1(veth1) entered disabled state [ 51.300178][ T70] veth1 (unregistering): left allmulticast mode [ 51.300489][ T70] veth1 (unregistering): left promiscuous mode [ 51.300759][ T70] br0: port 1(veth1) entered disabled state [ 51.331231][ T70] veth_segment: left allmulticast mode [ 51.331692][ T70] veth_segment: left promiscuous mode [ 51.331974][ T70] br0: port 2(veth_segment) entered disabled state