[ 8.711437][ T88] netdevsim netdevsim750 eni750np1: renamed from eth1 [ 8.711494][ T88] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.711496][ T88] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 88, name: (udev-worker) [ 8.711498][ T88] preempt_count: 1, expected: 0 [ 8.711499][ T88] RCU nest depth: 0, expected: 0 [ 8.711500][ T88] locks held by (udev-worker)/88: 6, last CPU#3: [ 8.711502][ T88] #0: ffffffff854fe280 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_setlink+0x29d/0x920 [ 8.711514][ T88] #1: ff1100000c7cadd8 (&dev_instance_lock_key#3){+.+.}-{4:4}, at: do_setlink.isra.0+0x27a/0x2a60 [ 8.711518][ T88] #2: ffffffff84d99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.711524][ T88] #3: ffffffff84d99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.711527][ T88] #4: ffffffff84c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.711531][ T88] #5: ffffffff84c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 8.711534][ T88] irq event stamp: 363816 [ 8.711535][ T88] hardirqs last enabled at (363815): [] __down_trylock_console_sem+0x86/0xa0 [ 8.711537][ T88] hardirqs last disabled at (363816): [] console_emit_next_record+0x3f8/0x4f0 [ 8.711539][ T88] softirqs last enabled at (363810): [] netif_change_name+0x216/0x8c0 [ 8.711541][ T88] softirqs last disabled at (363808): [] netif_change_name+0x1ad/0x8c0 [ 8.711543][ T88] Preemption disabled at: [ 8.711544][ T88] [] vprintk_emit+0x31b/0x3e0 [ 8.711549][ T88] CPU: 3 UID: 0 PID: 88 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.711553][ T88] Tainted: [W]=WARN [ 8.711554][ T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.711556][ T88] Call Trace: [ 8.711557][ T88] [ 8.711559][ T88] dump_stack_lvl+0x6f/0xa0 [ 8.711564][ T88] ? vprintk_emit+0x31b/0x3e0 [ 8.711566][ T88] __might_resched.cold+0x1fe/0x2c1 [ 8.711571][ T88] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.711575][ T88] ? __kmalloc_noprof+0xdb/0x760 [ 8.711579][ T88] __kmalloc_noprof+0x443/0x760 [ 8.711582][ T88] ? alloc_buf.isra.0+0x4b/0x260 [ 8.711587][ T88] ? do_raw_spin_unlock+0x59/0x250 [ 8.711589][ T88] alloc_buf.isra.0+0x4b/0x260 [ 8.711592][ T88] put_chars+0x1e1/0x2f0 [ 8.711595][ T88] ? __send_to_port+0x420/0x420 [ 8.711599][ T88] ? validate_chain+0x34a/0xc20 [ 8.711603][ T88] hvc_console_print+0x292/0x780 [ 8.711606][ T88] ? __lock_acquire+0x518/0xc20 [ 8.711611][ T88] ? hvc_write+0x3a0/0x3a0 [ 8.711613][ T88] ? rcu_is_watching+0x16/0xd0 [ 8.711620][ T88] console_emit_next_record+0x252/0x4f0 [ 8.711623][ T88] ? devkmsg_read+0x4e0/0x4e0 [ 8.711627][ T88] ? rcu_is_watching+0x16/0xd0 [ 8.711632][ T88] ? lock_acquire+0x13c/0x160 [ 8.711636][ T88] console_flush_one_record+0x46f/0x710 [ 8.711640][ T88] ? console_emit_next_record+0x4f0/0x4f0 [ 8.711641][ T88] ? __lock_acquire+0x518/0xc20 [ 8.711647][ T88] console_unlock+0xee/0x1f0 [ 8.711650][ T88] ? console_flush_one_record+0x710/0x710 [ 8.711651][ T88] ? rcu_is_watching+0x16/0xd0 [ 8.711654][ T88] ? lock_acquire+0x60/0x160 [ 8.711657][ T88] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.711659][ T88] ? vprintk_emit+0x320/0x3e0 [ 8.711662][ T88] vprintk_emit+0x37c/0x3e0 [ 8.711666][ T88] ? wake_up_klogd_work_func+0x90/0x90 [ 8.711668][ T88] ? write_profile+0xf0/0xf0 [ 8.711671][ T88] ? unwind_get_return_address+0x67/0xd0 [ 8.711678][ T88] dev_vprintk_emit+0x27f/0x2c0 [ 8.711683][ T88] ? device_rename.cold+0xa/0xa [ 8.711688][ T88] ? filter_irq_stacks+0xd0/0xd0 [ 8.711694][ T88] dev_printk_emit+0xb9/0xee [ 8.711697][ T88] ? dev_vprintk_emit+0x2c0/0x2c0 [ 8.711701][ T88] ? check_prev_add+0x316/0xe90 [ 8.711706][ T88] __netdev_printk+0x160/0x1d0 [ 8.711712][ T88] netdev_info+0xe2/0x116 [ 8.711714][ T88] ? netdev_notice+0x120/0x120 [ 8.711717][ T88] ? find_held_lock+0x2b/0x80 [ 8.711721][ T88] ? __lock_release.isra.0+0x69/0x1a0 [ 8.711723][ T88] ? mark_held_locks+0x40/0x70 [ 8.711727][ T88] ? do_setlink.isra.0+0x1f7d/0x2a60 [ 8.711729][ T88] netif_change_name.cold+0x4f/0x89 [ 8.711732][ T88] ? __lock_acquire+0x518/0xc20 [ 8.711734][ T88] ? rwsem_optimistic_spin+0x3c7/0x480 [ 8.711736][ T88] ? find_held_lock+0x2/0x80 [ 8.711740][ T88] ? netdev_adjacent_rename_links+0x470/0x470 [ 8.711742][ T88] ? find_held_lock+0x2b/0x80 [ 8.711745][ T88] ? __asan_memset+0x27/0x50 [ 8.711751][ T88] do_setlink.isra.0+0x1f7d/0x2a60 [ 8.711754][ T88] ? __lock_acquire+0x518/0xc20 [ 8.711757][ T88] ? rtnl_link_get_size+0x350/0x350 [ 8.711758][ T88] ? mark_usage+0x61/0x170 [ 8.711760][ T88] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 8.711762][ T88] ? rcu_read_lock_any_held+0x3c/0x90 [ 8.711764][ T88] ? validate_chain+0x38b/0xc20 [ 8.711768][ T88] ? __lock_acquire+0x518/0xc20 [ 8.711773][ T88] ? lock_acquire.part.0+0xd4/0x280 [ 8.711774][ T88] ? rtnl_setlink+0x29d/0x920 [ 8.711777][ T88] ? rcu_is_watching+0x16/0xd0 [ 8.711779][ T88] ? lock_acquire+0x13c/0x160 [ 8.711781][ T88] ? rcu_is_watching+0x16/0xd0 [ 8.711782][ T88] ? rcu_is_watching+0x16/0xd0 [ 8.711784][ T88] ? trace_contention_end+0xb3/0x180 [ 8.711787][ T88] ? __mutex_lock+0x1db/0x1ea0 [ 8.711790][ T88] ? __mutex_lock+0x9a3/0x1ea0 [ 8.711791][ T88] ? __lock_acquire+0x518/0xc20 [ 8.711793][ T88] ? rtnl_setlink+0x29d/0x920 [ 8.711795][ T88] ? mark_usage+0x61/0x170 [ 8.711797][ T88] ? ww_mutex_lock+0x160/0x160 [ 8.711799][ T88] ? nla_get_range_signed+0x3d0/0x3d0 [ 8.711805][ T88] ? mark_usage+0x61/0x170 [ 8.711808][ T88] ? cap_capable+0x1d7/0x3d0 [ 8.711816][ T88] rtnl_setlink+0x527/0x920 [ 8.711819][ T88] ? __rtnl_newlink+0xa50/0xa50 [ 8.711821][ T88] ? __lock_acquire+0x518/0xc20 [ 8.711843][ T88] ? lock_acquire.part.0+0xd4/0x280 [ 8.711844][ T88] ? find_held_lock+0x2b/0x80 [ 8.711848][ T88] ? __lock_release.isra.0+0x69/0x1a0 [ 8.711849][ T88] ? mark_usage+0x61/0x170 [ 8.711851][ T88] ? __lock_acquire+0x518/0xc20 [ 8.711855][ T88] ? lock_acquire.part.0+0xd4/0x280 [ 8.711857][ T88] ? find_held_lock+0x2b/0x80 [ 8.711859][ T88] ? __rtnl_newlink+0xa50/0xa50 [ 8.711861][ T88] ? __lock_release.isra.0+0x69/0x1a0 [ 8.711864][ T88] ? __rtnl_newlink+0xa50/0xa50 [ 8.711867][ T88] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 8.711870][ T88] ? rtnl_link_fill+0x900/0x900 [ 8.711871][ T88] ? __lock_acquire+0x518/0xc20 [ 8.711876][ T88] ? lock_acquire.part.0+0xd4/0x280 [ 8.711877][ T88] ? find_held_lock+0x2b/0x80 [ 8.711881][ T88] netlink_rcv_skb+0x14e/0x3a0 [ 8.711884][ T88] ? rtnl_link_fill+0x900/0x900 [ 8.711887][ T88] ? netlink_ack+0xcd0/0xcd0 [ 8.711894][ T88] ? netlink_deliver_tap+0xc5/0x330 [ 8.711896][ T88] ? netlink_deliver_tap+0x13c/0x330 [ 8.711900][ T88] netlink_unicast+0x486/0x750 [ 8.711904][ T88] ? netlink_attachskb+0x810/0x810 [ 8.711907][ T88] ? __lock_acquire+0x518/0xc20 [ 8.711911][ T88] netlink_sendmsg+0x735/0xc60 [ 8.711915][ T88] ? netlink_unicast+0x750/0x750 [ 8.711919][ T88] ? __might_fault+0x97/0x140 [ 8.711922][ T88] ? __might_fault+0x97/0x140 [ 8.711926][ T88] __sys_sendto+0x2aa/0x400 [ 8.711929][ T88] ? __ia32_sys_getpeername+0xd0/0xd0 [ 8.711940][ T88] ? exc_page_fault+0x87/0x100 [ 8.711945][ T88] __x64_sys_sendto+0xe4/0x1f0 [ 8.711947][ T88] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 8.711951][ T88] ? lockdep_hardirqs_on+0x91/0x130 [ 8.711952][ T88] ? do_syscall_64+0xa6/0x530 [ 8.711954][ T88] do_syscall_64+0xff/0x530 [ 8.711955][ T88] ? exc_page_fault+0xee/0x100 [ 8.711958][ T88] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.711960][ T88] RIP: 0033:0x7f1be9e2b54e [ 8.711964][ T88] 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 [ 8.711966][ T88] RSP: 002b:00007ffff1b795a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 8.711968][ T88] RAX: ffffffffffffffda RBX: 000056041fd28f70 RCX: 00007f1be9e2b54e [ 8.711970][ T88] RDX: 0000000000000030 RSI: 000056041fe84e70 RDI: 000000000000001e [ 8.711971][ T88] RBP: 00007ffff1b795b0 R08: 00007ffff1b79600 R09: 0000000000000080 [ 8.711971][ T88] R10: 0000000000000000 R11: 0000000000000202 R12: 000056041fe849b0 [ 8.711972][ T88] R13: 00007ffff1b796e4 R14: 0000000000000000 R15: 0000000000000000 [ 8.711979][ T88] [ 8.749451][ T90] netdevsim netdevsim379 eni379np1: renamed from eth0 [ 9.342807][ T166] Could not find device with ifindex 2000 in netnsfd 11 [ 9.343435][ T166] Could not find netns with fd: 2000 [ 9.343957][ T166] Cannot link a netdevsim to itself [ 9.344488][ T166] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint). [ 10.099186][ T222] awk (222) used greatest stack depth: 23344 bytes left [ 10.099203][ T222] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.099205][ T222] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 222, name: awk [ 10.099206][ T222] preempt_count: 2, expected: 0 [ 10.099207][ T222] RCU nest depth: 0, expected: 0 [ 10.099208][ T222] locks held by awk/222: 5, last CPU#3: [ 10.099210][ T222] #0: ffffffff84c027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.099223][ T222] #1: ffffffff84d99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.099229][ T222] #2: ffffffff84d99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.099232][ T222] #3: ffffffff84c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.099236][ T222] #4: ffffffff84c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 10.099240][ T222] irq event stamp: 57844 [ 10.099241][ T222] hardirqs last enabled at (57843): [] __down_trylock_console_sem+0x86/0xa0 [ 10.099243][ T222] hardirqs last disabled at (57844): [] console_emit_next_record+0x3f8/0x4f0 [ 10.099244][ T222] softirqs last enabled at (57386): [] handle_softirqs+0x67c/0x900 [ 10.099247][ T222] softirqs last disabled at (57377): [] __irq_exit_rcu+0x145/0x1c0 [ 10.099250][ T222] Preemption disabled at: [ 10.099250][ T222] [<0000000000000000>] 0x0 [ 10.099257][ T222] CPU: 3 UID: 0 PID: 222 Comm: awk Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.099261][ T222] Tainted: [W]=WARN [ 10.099262][ T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.099263][ T222] Call Trace: [ 10.099265][ T222] [ 10.099267][ T222] dump_stack_lvl+0x6f/0xa0 [ 10.099273][ T222] __might_resched.cold+0x1fe/0x2c1 [ 10.099277][ T222] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.099281][ T222] ? __kmalloc_noprof+0xdb/0x760 [ 10.099286][ T222] __kmalloc_noprof+0x443/0x760 [ 10.099288][ T222] ? alloc_buf.isra.0+0x4b/0x260 [ 10.099293][ T222] ? do_raw_spin_unlock+0x59/0x250 [ 10.099296][ T222] alloc_buf.isra.0+0x4b/0x260 [ 10.099298][ T222] put_chars+0x1e1/0x2f0 [ 10.099301][ T222] ? __send_to_port+0x420/0x420 [ 10.099303][ T222] ? printk_get_next_message+0x2fe/0x7d0 [ 10.099306][ T222] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.099308][ T222] ? validate_chain+0x38b/0xc20 [ 10.099313][ T222] hvc_console_print+0x292/0x780 [ 10.099315][ T222] ? __lock_acquire+0x518/0xc20 [ 10.099316][ T222] ? __lock_acquire+0x518/0xc20 [ 10.099320][ T222] ? hvc_write+0x3a0/0x3a0 [ 10.099323][ T222] ? rcu_is_watching+0x16/0xd0 [ 10.099327][ T222] ? lock_acquire+0x13c/0x160 [ 10.099330][ T222] console_emit_next_record+0x252/0x4f0 [ 10.099334][ T222] ? devkmsg_read+0x4e0/0x4e0 [ 10.099338][ T222] ? rcu_is_watching+0x16/0xd0 [ 10.099340][ T222] ? lock_acquire+0x13c/0x160 [ 10.099343][ T222] console_flush_one_record+0x46f/0x710 [ 10.099347][ T222] ? console_emit_next_record+0x4f0/0x4f0 [ 10.099348][ T222] ? __lock_acquire+0x518/0xc20 [ 10.099353][ T222] console_unlock+0xee/0x1f0 [ 10.099356][ T222] ? console_flush_one_record+0x710/0x710 [ 10.099357][ T222] ? rcu_is_watching+0x16/0xd0 [ 10.099359][ T222] ? lock_acquire+0x60/0x160 [ 10.099362][ T222] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.099364][ T222] ? vprintk_emit+0x320/0x3e0 [ 10.099367][ T222] vprintk_emit+0x37c/0x3e0 [ 10.099370][ T222] ? wake_up_klogd_work_func+0x90/0x90 [ 10.099373][ T222] ? __lock_acquire+0x518/0xc20 [ 10.099376][ T222] _printk+0xc7/0x100 [ 10.099380][ T222] ? snapshot_read.cold+0x21/0x21 [ 10.099383][ T222] ? do_raw_spin_lock+0x131/0x280 [ 10.099385][ T222] ? __rwlock_init+0x150/0x150 [ 10.099388][ T222] ? do_raw_spin_lock+0x131/0x280 [ 10.099390][ T222] do_exit.cold+0x82/0x9c [ 10.099394][ T222] ? exit_notify+0x890/0x890 [ 10.099396][ T222] ? __lock_release.isra.0+0x69/0x1a0 [ 10.099398][ T222] ? rcu_is_watching+0x16/0xd0 [ 10.099402][ T222] do_group_exit+0xb8/0x370 [ 10.099405][ T222] __x64_sys_exit_group+0x3c/0x50 [ 10.099407][ T222] x64_sys_call+0x1567/0x1570 [ 10.099409][ T222] do_syscall_64+0xff/0x530 [ 10.099412][ T222] ? exc_page_fault+0xee/0x100 [ 10.099416][ T222] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.099418][ T222] RIP: 0033:0x7fdc80e881b8 [ 10.099420][ T222] Code: Unable to access opcode bytes at 0x7fdc80e8818e. [ 10.099421][ T222] RSP: 002b:00007ffc6c627ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.099423][ T222] RAX: ffffffffffffffda RBX: 00007fdc80fb8f88 RCX: 00007fdc80e881b8 [ 10.099425][ T222] RDX: 00007fdc80d98dc8 RSI: fffffffffffffc30 RDI: 0000000000000000 [ 10.099425][ T222] RBP: 00007ffc6c627b10 R08: 0000000000000000 R09: 0000000000000030 [ 10.099426][ T222] R10: 00007ffc6c627910 R11: 0000000000000246 R12: 0000000000000002 [ 10.099427][ T222] R13: 0000000000000000 R14: 00007fdc80fb7680 R15: 00007fdc80fb8fa0 [ 10.099434][ T222]