[ 10.226346][ T183] netdevsim netdevsim8101 eni8101np1: renamed from eth0 [ 10.226408][ T183] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.226411][ T183] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 183, name: (udev-worker) [ 10.226412][ T183] preempt_count: 1, expected: 0 [ 10.226413][ T183] RCU nest depth: 0, expected: 0 [ 10.226414][ T183] locks held by (udev-worker)/183: 6, last CPU#2: [ 10.226416][ T183] #0: ffffffffa7f05fc0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_setlink+0x29d/0x920 [ 10.226428][ T183] #1: ff1100000d61ade8 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: do_setlink.isra.0+0x27a/0x2a60 [ 10.226433][ T183] #2: ffffffffa7799cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.226438][ T183] #3: ffffffffa7799d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.226442][ T183] #4: ffffffffa7689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.226446][ T183] #5: ffffffffa7689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 10.226450][ T183] irq event stamp: 25518 [ 10.226451][ T183] hardirqs last enabled at (25517): [] __down_trylock_console_sem+0x86/0xa0 [ 10.226454][ T183] hardirqs last disabled at (25518): [] console_emit_next_record+0x3f8/0x4f0 [ 10.226456][ T183] softirqs last enabled at (25512): [] netif_change_name+0x216/0x8c0 [ 10.226459][ T183] softirqs last disabled at (25510): [] netif_change_name+0x1ad/0x8c0 [ 10.226461][ T183] Preemption disabled at: [ 10.226462][ T183] [] vprintk_emit+0x31b/0x3e0 [ 10.226467][ T183] CPU: 2 UID: 0 PID: 183 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.226471][ T183] Tainted: [W]=WARN [ 10.226472][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.226474][ T183] Call Trace: [ 10.226475][ T183] [ 10.226477][ T183] dump_stack_lvl+0x6f/0xa0 [ 10.226483][ T183] ? vprintk_emit+0x31b/0x3e0 [ 10.226485][ T183] __might_resched.cold+0x1fe/0x2c1 [ 10.226489][ T183] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.226494][ T183] ? __kmalloc_noprof+0xdb/0x760 [ 10.226499][ T183] __kmalloc_noprof+0x443/0x760 [ 10.226502][ T183] ? alloc_buf.isra.0+0x4b/0x260 [ 10.226508][ T183] ? do_raw_spin_unlock+0x59/0x250 [ 10.226511][ T183] alloc_buf.isra.0+0x4b/0x260 [ 10.226515][ T183] put_chars+0x1e1/0x2f0 [ 10.226518][ T183] ? __send_to_port+0x420/0x420 [ 10.226522][ T183] ? validate_chain+0x34a/0xc20 [ 10.226527][ T183] hvc_console_print+0x292/0x780 [ 10.226530][ T183] ? __lock_acquire+0x518/0xc20 [ 10.226536][ T183] ? hvc_write+0x3a0/0x3a0 [ 10.226539][ T183] ? rcu_is_watching+0x16/0xd0 [ 10.226545][ T183] console_emit_next_record+0x252/0x4f0 [ 10.226549][ T183] ? devkmsg_read+0x4e0/0x4e0 [ 10.226554][ T183] ? rcu_is_watching+0x16/0xd0 [ 10.226555][ T183] ? lock_acquire+0x13c/0x160 [ 10.226560][ T183] console_flush_one_record+0x46f/0x710 [ 10.226564][ T183] ? console_emit_next_record+0x4f0/0x4f0 [ 10.226566][ T183] ? __lock_acquire+0x518/0xc20 [ 10.226572][ T183] console_unlock+0xee/0x1f0 [ 10.226575][ T183] ? console_flush_one_record+0x710/0x710 [ 10.226577][ T183] ? rcu_is_watching+0x16/0xd0 [ 10.226578][ T183] ? lock_acquire+0x60/0x160 [ 10.226582][ T183] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.226584][ T183] ? vprintk_emit+0x320/0x3e0 [ 10.226587][ T183] vprintk_emit+0x37c/0x3e0 [ 10.226590][ T183] ? wake_up_klogd_work_func+0x90/0x90 [ 10.226592][ T183] ? write_profile+0xf0/0xf0 [ 10.226595][ T183] ? unwind_get_return_address+0x67/0xd0 [ 10.226601][ T183] dev_vprintk_emit+0x27f/0x2c0 [ 10.226607][ T183] ? device_rename.cold+0xa/0xa [ 10.226611][ T183] ? filter_irq_stacks+0xd0/0xd0 [ 10.226617][ T183] dev_printk_emit+0xb9/0xee [ 10.226620][ T183] ? dev_vprintk_emit+0x2c0/0x2c0 [ 10.226624][ T183] ? check_prev_add+0x316/0xe90 [ 10.226629][ T183] __netdev_printk+0x160/0x1d0 [ 10.226635][ T183] netdev_info+0xe2/0x116 [ 10.226638][ T183] ? netdev_notice+0x120/0x120 [ 10.226640][ T183] ? find_held_lock+0x2b/0x80 [ 10.226643][ T183] ? __lock_release.isra.0+0x69/0x1a0 [ 10.226646][ T183] ? mark_held_locks+0x40/0x70 [ 10.226650][ T183] ? do_setlink.isra.0+0x1f7d/0x2a60 [ 10.226652][ T183] netif_change_name.cold+0x4f/0x89 [ 10.226655][ T183] ? __lock_acquire+0x518/0xc20 [ 10.226657][ T183] ? mark_lock_irq+0x747/0x9c0 [ 10.226659][ T183] ? find_held_lock+0x2/0x80 [ 10.226663][ T183] ? netdev_adjacent_rename_links+0x470/0x470 [ 10.226665][ T183] ? find_held_lock+0x2b/0x80 [ 10.226668][ T183] ? __asan_memset+0x27/0x50 [ 10.226673][ T183] do_setlink.isra.0+0x1f7d/0x2a60 [ 10.226677][ T183] ? __lock_acquire+0x518/0xc20 [ 10.226680][ T183] ? rtnl_link_get_size+0x350/0x350 [ 10.226681][ T183] ? mark_usage+0x61/0x170 [ 10.226683][ T183] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.226686][ T183] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.226689][ T183] ? validate_chain+0x38b/0xc20 [ 10.226693][ T183] ? __lock_acquire+0x518/0xc20 [ 10.226698][ T183] ? lock_acquire.part.0+0xd4/0x280 [ 10.226700][ T183] ? rtnl_setlink+0x29d/0x920 [ 10.226703][ T183] ? rcu_is_watching+0x16/0xd0 [ 10.226705][ T183] ? lock_acquire+0x13c/0x160 [ 10.226707][ T183] ? rcu_is_watching+0x16/0xd0 [ 10.226708][ T183] ? rcu_is_watching+0x16/0xd0 [ 10.226710][ T183] ? trace_contention_end+0xb3/0x180 [ 10.226713][ T183] ? __mutex_lock+0x1db/0x1ea0 [ 10.226716][ T183] ? __mutex_lock+0x9a3/0x1ea0 [ 10.226718][ T183] ? __lock_acquire+0x518/0xc20 [ 10.226720][ T183] ? rtnl_setlink+0x29d/0x920 [ 10.226723][ T183] ? mark_usage+0x61/0x170 [ 10.226726][ T183] ? ww_mutex_lock+0x160/0x160 [ 10.226728][ T183] ? nla_get_range_signed+0x3d0/0x3d0 [ 10.226734][ T183] ? mark_usage+0x61/0x170 [ 10.226738][ T183] ? cap_capable+0x1d7/0x3d0 [ 10.226745][ T183] rtnl_setlink+0x527/0x920 [ 10.226749][ T183] ? __rtnl_newlink+0xa50/0xa50 [ 10.226750][ T183] ? __lock_acquire+0x518/0xc20 [ 10.226775][ T183] ? lock_acquire.part.0+0xd4/0x280 [ 10.226777][ T183] ? find_held_lock+0x2b/0x80 [ 10.226780][ T183] ? __lock_release.isra.0+0x69/0x1a0 [ 10.226782][ T183] ? mark_usage+0x61/0x170 [ 10.226784][ T183] ? __lock_acquire+0x518/0xc20 [ 10.226789][ T183] ? lock_acquire.part.0+0xd4/0x280 [ 10.226791][ T183] ? find_held_lock+0x2b/0x80 [ 10.226793][ T183] ? __rtnl_newlink+0xa50/0xa50 [ 10.226795][ T183] ? __lock_release.isra.0+0x69/0x1a0 [ 10.226799][ T183] ? __rtnl_newlink+0xa50/0xa50 [ 10.226802][ T183] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.226806][ T183] ? rtnl_link_fill+0x900/0x900 [ 10.226807][ T183] ? __lock_acquire+0x518/0xc20 [ 10.226812][ T183] ? lock_acquire.part.0+0xd4/0x280 [ 10.226814][ T183] ? find_held_lock+0x2b/0x80 [ 10.226818][ T183] netlink_rcv_skb+0x14e/0x3a0 [ 10.226821][ T183] ? rtnl_link_fill+0x900/0x900 [ 10.226825][ T183] ? netlink_ack+0xcd0/0xcd0 [ 10.226832][ T183] ? netlink_deliver_tap+0xc5/0x330 [ 10.226834][ T183] ? netlink_deliver_tap+0x13c/0x330 [ 10.226839][ T183] netlink_unicast+0x486/0x750 [ 10.226843][ T183] ? netlink_attachskb+0x810/0x810 [ 10.226846][ T183] ? __lock_acquire+0x518/0xc20 [ 10.226851][ T183] netlink_sendmsg+0x735/0xc60 [ 10.226855][ T183] ? netlink_unicast+0x750/0x750 [ 10.226859][ T183] ? __might_fault+0x97/0x140 [ 10.226866][ T183] ? __might_fault+0x97/0x140 [ 10.226870][ T183] __sys_sendto+0x2aa/0x400 [ 10.226873][ T183] ? __ia32_sys_getpeername+0xd0/0xd0 [ 10.226887][ T183] __x64_sys_sendto+0xe4/0x1f0 [ 10.226889][ T183] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.226893][ T183] ? lockdep_hardirqs_on+0x91/0x130 [ 10.226895][ T183] ? do_syscall_64+0xa6/0x530 [ 10.226897][ T183] do_syscall_64+0xff/0x530 [ 10.226899][ T183] ? exc_page_fault+0xee/0x100 [ 10.226902][ T183] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.226905][ T183] RIP: 0033:0x7f279243e54e [ 10.226909][ T183] 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 [ 10.226910][ T183] RSP: 002b:00007fff1f9ec3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.226913][ T183] RAX: ffffffffffffffda RBX: 000056021df49600 RCX: 00007f279243e54e [ 10.226915][ T183] RDX: 0000000000000030 RSI: 000056021e0c74e0 RDI: 0000000000000016 [ 10.226915][ T183] RBP: 00007fff1f9ec3b0 R08: 00007fff1f9ec400 R09: 0000000000000080 [ 10.226916][ T183] R10: 0000000000000000 R11: 0000000000000202 R12: 000056021e0b3880 [ 10.226917][ T183] R13: 00007fff1f9ec4e4 R14: 0000000000000000 R15: 0000000000000000 [ 10.226924][ T183] [ 10.439827][ T183] netdevsim netdevsim3316 eni3316np1: renamed from eth0 [ 10.790277][ T201] ip (201) used greatest stack depth: 24360 bytes left [ 13.973269][ T237] iperf3 (237) used greatest stack depth: 24024 bytes left [ 13.973288][ T237] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.973290][ T237] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 237, name: iperf3 [ 13.973291][ T237] preempt_count: 2, expected: 0 [ 13.973292][ T237] RCU nest depth: 0, expected: 0 [ 13.973293][ T237] locks held by iperf3/237: 5, last CPU#2: [ 13.973295][ T237] #0: ffffffffa76027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 13.973312][ T237] #1: ffffffffa7799cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.973317][ T237] #2: ffffffffa7799d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.973321][ T237] #3: ffffffffa7689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.973325][ T237] #4: ffffffffa7689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 13.973329][ T237] irq event stamp: 59772 [ 13.973330][ T237] hardirqs last enabled at (59771): [] __down_trylock_console_sem+0x86/0xa0 [ 13.973333][ T237] hardirqs last disabled at (59772): [] console_emit_next_record+0x3f8/0x4f0 [ 13.973335][ T237] softirqs last enabled at (59696): [] tcp_sendmsg+0x39/0x50 [ 13.973339][ T237] softirqs last disabled at (59694): [] release_sock+0x21/0x240 [ 13.973343][ T237] Preemption disabled at: [ 13.973344][ T237] [<0000000000000000>] 0x0 [ 13.973351][ T237] CPU: 2 UID: 0 PID: 237 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.973355][ T237] Tainted: [W]=WARN [ 13.973355][ T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.973358][ T237] Call Trace: [ 13.973359][ T237] [ 13.973361][ T237] dump_stack_lvl+0x6f/0xa0 [ 13.973367][ T237] __might_resched.cold+0x1fe/0x2c1 [ 13.973372][ T237] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.973377][ T237] ? __kmalloc_noprof+0xdb/0x760 [ 13.973382][ T237] __kmalloc_noprof+0x443/0x760 [ 13.973385][ T237] ? alloc_buf.isra.0+0x4b/0x260 [ 13.973391][ T237] ? do_raw_spin_unlock+0x59/0x250 [ 13.973394][ T237] alloc_buf.isra.0+0x4b/0x260 [ 13.973398][ T237] put_chars+0x1e1/0x2f0 [ 13.973401][ T237] ? __send_to_port+0x420/0x420 [ 13.973404][ T237] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.973407][ T237] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.973410][ T237] ? validate_chain+0x38b/0xc20 [ 13.973415][ T237] hvc_console_print+0x292/0x780 [ 13.973418][ T237] ? mark_usage+0x61/0x170 [ 13.973420][ T237] ? __lock_acquire+0x518/0xc20 [ 13.973421][ T237] ? __lock_acquire+0x518/0xc20 [ 13.973426][ T237] ? hvc_write+0x3a0/0x3a0 [ 13.973427][ T237] ? lock_acquire.part.0+0xd4/0x280 [ 13.973432][ T237] ? lock_acquire+0x13c/0x160 [ 13.973436][ T237] console_emit_next_record+0x252/0x4f0 [ 13.973440][ T237] ? devkmsg_read+0x4e0/0x4e0 [ 13.973445][ T237] ? rcu_is_watching+0x16/0xd0 [ 13.973447][ T237] ? lock_acquire+0x13c/0x160 [ 13.973451][ T237] console_flush_one_record+0x46f/0x710 [ 13.973455][ T237] ? console_emit_next_record+0x4f0/0x4f0 [ 13.973457][ T237] ? __lock_acquire+0x518/0xc20 [ 13.973463][ T237] console_unlock+0xee/0x1f0 [ 13.973466][ T237] ? console_flush_one_record+0x710/0x710 [ 13.973468][ T237] ? rcu_is_watching+0x16/0xd0 [ 13.973469][ T237] ? lock_acquire+0x60/0x160 [ 13.973473][ T237] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.973475][ T237] ? vprintk_emit+0x320/0x3e0 [ 13.973478][ T237] vprintk_emit+0x37c/0x3e0 [ 13.973481][ T237] ? wake_up_klogd_work_func+0x90/0x90 [ 13.973484][ T237] ? __lock_acquire+0x518/0xc20 [ 13.973488][ T237] _printk+0xc7/0x100 [ 13.973492][ T237] ? snapshot_read.cold+0x21/0x21 [ 13.973494][ T237] ? do_raw_spin_lock+0x131/0x280 [ 13.973497][ T237] ? __rwlock_init+0x150/0x150 [ 13.973501][ T237] ? do_raw_spin_lock+0x131/0x280 [ 13.973504][ T237] do_exit.cold+0x82/0x9c [ 13.973508][ T237] ? exit_notify+0x890/0x890 [ 13.973510][ T237] ? find_held_lock+0x2b/0x80 [ 13.973513][ T237] ? __lock_release.isra.0+0x69/0x1a0 [ 13.973515][ T237] ? __rwlock_init+0x150/0x150 [ 13.973518][ T237] do_group_exit+0xb8/0x370 [ 13.973520][ T237] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 13.973522][ T237] ? lockdep_hardirqs_on+0x91/0x130 [ 13.973525][ T237] ? _raw_spin_unlock_irq+0x28/0x50 [ 13.973527][ T237] ? _raw_spin_unlock_irq+0x33/0x50 [ 13.973529][ T237] get_signal+0x1886/0x1980 [ 13.973532][ T237] ? ____sys_recvmsg+0x710/0x710 [ 13.973537][ T237] ? new_sync_read+0x750/0x750 [ 13.973541][ T237] ? ptrace_signal+0x600/0x600 [ 13.973544][ T237] ? __lock_release.isra.0+0x69/0x1a0 [ 13.973548][ T237] arch_do_signal_or_restart+0xc2/0x3a0 [ 13.973552][ T237] ? __fget_files+0x1e3/0x460 [ 13.973556][ T237] ? get_sigframe_size+0x20/0x20 [ 13.973561][ T237] ? rcu_is_watching+0x16/0xd0 [ 13.973563][ T237] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 13.973567][ T237] exit_to_user_mode_loop+0xd5/0x5a0 [ 13.973570][ T237] ? rcu_is_watching+0x16/0xd0 [ 13.973573][ T237] do_syscall_64+0x3e3/0x530 [ 13.973575][ T237] ? exc_page_fault+0xee/0x100 [ 13.973578][ T237] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.973580][ T237] RIP: 0033:0x7f2efa928312 [ 13.973582][ T237] Code: Unable to access opcode bytes at 0x7f2efa9282e8. [ 13.973584][ T237] RSP: 002b:00007f2ef4ef4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 13.973586][ T237] RAX: 000000000001f920 RBX: 0000000000020000 RCX: 00007f2efa928312 [ 13.973588][ T237] RDX: 0000000000020000 RSI: 00007f2ef9fa0000 RDI: 0000000000000019 [ 13.973589][ T237] RBP: 00007f2ef4ef4ca0 R08: 0000000000000000 R09: 0000000000000000 [ 13.973590][ T237] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ef9fa0000 [ 13.973591][ T237] R13: 0000000000000019 R14: 0000000000020000 R15: 0000556562900a50 [ 13.973598][ T237] [ 14.027822][ T244] iperf3 (244) used greatest stack depth: 23384 bytes left [ 14.512221][ T183] (udev-worker) (183) used greatest stack depth: 22696 bytes left