[ 8.483666][ T139] netdevsim netdevsim1337 nsim1337: renamed from eth0 [ 8.483726][ T139] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.483728][ T139] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 139, name: ip [ 8.483729][ T139] preempt_count: 1, expected: 0 [ 8.483730][ T139] RCU nest depth: 0, expected: 0 [ 8.483731][ T139] locks held by ip/139: 6, last CPU#0: [ 8.483734][ T139] #0: ffffffffb22cfcc0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 8.483745][ T139] #1: ff1100000c922dd0 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: do_setlink.isra.0+0x27a/0x2a60 [ 8.483749][ T139] #2: ffffffffb1b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.483754][ T139] #3: ffffffffb1b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.483757][ T139] #4: ffffffffb1a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.483760][ T139] #5: ffffffffb1a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 8.483764][ T139] irq event stamp: 15310 [ 8.483765][ T139] hardirqs last enabled at (15309): [] __down_trylock_console_sem+0x86/0xa0 [ 8.483767][ T139] hardirqs last disabled at (15310): [] console_emit_next_record+0x3d4/0x4c0 [ 8.483769][ T139] softirqs last enabled at (15304): [] netif_change_name+0x216/0x8c0 [ 8.483771][ T139] softirqs last disabled at (15302): [] netif_change_name+0x1ad/0x8c0 [ 8.483773][ T139] Preemption disabled at: [ 8.483774][ T139] [] vprintk_emit+0x31b/0x3e0 [ 8.483779][ T139] CPU: 0 UID: 0 PID: 139 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.483783][ T139] Tainted: [W]=WARN [ 8.483783][ T139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.483785][ T139] Call Trace: [ 8.483786][ T139] [ 8.483788][ T139] dump_stack_lvl+0x6f/0xa0 [ 8.483793][ T139] ? vprintk_emit+0x31b/0x3e0 [ 8.483795][ T139] __might_resched.cold+0x1fe/0x2c1 [ 8.483800][ T139] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.483804][ T139] ? __kmalloc_noprof+0xdb/0x760 [ 8.483808][ T139] __kmalloc_noprof+0x443/0x760 [ 8.483810][ T139] ? alloc_buf.isra.0+0x4b/0x260 [ 8.483816][ T139] ? do_raw_spin_unlock+0x59/0x250 [ 8.483818][ T139] alloc_buf.isra.0+0x4b/0x260 [ 8.483821][ T139] put_chars+0x1e1/0x2f0 [ 8.483824][ T139] ? __send_to_port+0x420/0x420 [ 8.483828][ T139] ? validate_chain+0x34a/0xc20 [ 8.483832][ T139] hvc_console_print+0x292/0x780 [ 8.483836][ T139] ? __lock_acquire+0x518/0xc20 [ 8.483837][ T139] ? __lock_acquire+0x518/0xc20 [ 8.483841][ T139] ? hvc_write+0x3a0/0x3a0 [ 8.483844][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.483848][ T139] ? lock_acquire+0x13c/0x160 [ 8.483851][ T139] console_emit_next_record+0x22f/0x4c0 [ 8.483855][ T139] ? devkmsg_read+0x4b0/0x4b0 [ 8.483856][ T139] ? console_flush_one_record+0x106/0x710 [ 8.483859][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.483861][ T139] ? lock_acquire+0x13c/0x160 [ 8.483864][ T139] console_flush_one_record+0x46f/0x710 [ 8.483868][ T139] ? console_emit_next_record+0x4c0/0x4c0 [ 8.483870][ T139] ? __lock_acquire+0x518/0xc20 [ 8.483874][ T139] console_unlock+0xee/0x1f0 [ 8.483877][ T139] ? console_flush_one_record+0x710/0x710 [ 8.483878][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.483880][ T139] ? lock_acquire+0x60/0x160 [ 8.483884][ T139] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.483885][ T139] ? vprintk_emit+0x320/0x3e0 [ 8.483888][ T139] vprintk_emit+0x37c/0x3e0 [ 8.483891][ T139] ? wake_up_klogd_work_func+0x90/0x90 [ 8.483893][ T139] ? __kernel_text_address+0x12/0x30 [ 8.483896][ T139] ? unwind_get_return_address+0x67/0xd0 [ 8.483900][ T139] ? arch_stack_walk+0xed/0x130 [ 8.483906][ T139] dev_vprintk_emit+0x27f/0x2c0 [ 8.483910][ T139] ? device_rename.cold+0xa/0xa [ 8.483918][ T139] dev_printk_emit+0xb9/0xee [ 8.483920][ T139] ? dev_vprintk_emit+0x2c0/0x2c0 [ 8.483924][ T139] ? check_prev_add+0x316/0xe90 [ 8.483929][ T139] __netdev_printk+0x160/0x1d0 [ 8.483934][ T139] netdev_info+0xe2/0x116 [ 8.483936][ T139] ? netdev_notice+0x120/0x120 [ 8.483938][ T139] ? find_held_lock+0x2b/0x80 [ 8.483942][ T139] ? __lock_release.isra.0+0x69/0x1a0 [ 8.483944][ T139] ? mark_held_locks+0x40/0x70 [ 8.483948][ T139] ? do_setlink.isra.0+0x1f7d/0x2a60 [ 8.483950][ T139] netif_change_name.cold+0x4f/0x89 [ 8.483955][ T139] ? netdev_adjacent_rename_links+0x470/0x470 [ 8.483957][ T139] ? __kernel_text_address+0x12/0x30 [ 8.483959][ T139] ? write_profile+0xf0/0xf0 [ 8.483963][ T139] ? __asan_memset+0x27/0x50 [ 8.483969][ T139] do_setlink.isra.0+0x1f7d/0x2a60 [ 8.483972][ T139] ? stack_trace_save+0x93/0xc0 [ 8.483975][ T139] ? rtnl_link_get_size+0x350/0x350 [ 8.483977][ T139] ? rcu_read_lock_any_held+0x66/0x90 [ 8.483979][ T139] ? stack_depot_save_flags+0x38e/0x790 [ 8.483983][ T139] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 8.483985][ T139] ? rcu_read_lock_any_held+0x3c/0x90 [ 8.483987][ T139] ? validate_chain+0x38b/0xc20 [ 8.483989][ T139] ? kasan_save_stack+0x3d/0x50 [ 8.483991][ T139] ? kasan_save_stack+0x2f/0x50 [ 8.483992][ T139] ? kasan_save_track+0x14/0x30 [ 8.483995][ T139] ? __lock_acquire+0x518/0xc20 [ 8.483996][ T139] ? do_one_broadcast+0xc9e/0x1130 [ 8.483999][ T139] ? ___sys_sendmsg+0x100/0x1d0 [ 8.484004][ T139] ? lock_acquire.part.0+0xd4/0x280 [ 8.484006][ T139] ? rtnl_newlink+0x9a8/0x11b0 [ 8.484009][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.484011][ T139] ? lock_acquire+0x13c/0x160 [ 8.484012][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.484014][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.484016][ T139] ? trace_contention_end+0xb3/0x180 [ 8.484018][ T139] ? __mutex_lock+0x1db/0x1ea0 [ 8.484022][ T139] ? __mutex_lock+0x9a3/0x1ea0 [ 8.484025][ T139] ? rtnl_newlink+0x9a8/0x11b0 [ 8.484028][ T139] ? ww_mutex_lock+0x160/0x160 [ 8.484030][ T139] ? nla_get_range_signed+0x3d0/0x3d0 [ 8.484036][ T139] ? __rtnl_newlink+0x3fa/0xa50 [ 8.484041][ T139] rtnl_newlink+0x9f1/0x11b0 [ 8.484046][ T139] ? rtnl_bridge_getlink+0x850/0x850 [ 8.484048][ T139] ? __lock_acquire+0x518/0xc20 [ 8.484052][ T139] ? lock_acquire.part.0+0xd4/0x280 [ 8.484054][ T139] ? find_held_lock+0x2b/0x80 [ 8.484056][ T139] ? rtnl_bridge_getlink+0x850/0x850 [ 8.484058][ T139] ? __lock_release.isra.0+0x69/0x1a0 [ 8.484061][ T139] ? rtnl_bridge_getlink+0x850/0x850 [ 8.484063][ T139] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 8.484067][ T139] ? rtnl_link_fill+0x900/0x900 [ 8.484068][ T139] ? __lock_acquire+0x518/0xc20 [ 8.484072][ T139] ? lock_acquire.part.0+0xd4/0x280 [ 8.484074][ T139] ? find_held_lock+0x2b/0x80 [ 8.484077][ T139] netlink_rcv_skb+0x14e/0x3a0 [ 8.484079][ T139] ? rtnl_link_fill+0x900/0x900 [ 8.484082][ T139] ? netlink_ack+0xcd0/0xcd0 [ 8.484088][ T139] ? netlink_deliver_tap+0xc5/0x330 [ 8.484090][ T139] ? netlink_deliver_tap+0x13c/0x330 [ 8.484094][ T139] netlink_unicast+0x486/0x750 [ 8.484098][ T139] ? netlink_attachskb+0x810/0x810 [ 8.484100][ T139] ? __lock_acquire+0x518/0xc20 [ 8.484104][ T139] netlink_sendmsg+0x735/0xc60 [ 8.484108][ T139] ? netlink_unicast+0x750/0x750 [ 8.484112][ T139] ? __might_fault+0x97/0x140 [ 8.484116][ T139] ____sys_sendmsg+0x415/0x880 [ 8.484119][ T139] ? copy_msghdr_from_user+0x279/0x420 [ 8.484121][ T139] ? get_timestamp.constprop.0+0x3a0/0x3a0 [ 8.484123][ T139] ? move_addr_to_kernel+0x40/0x40 [ 8.484130][ T139] ___sys_sendmsg+0x14e/0x1d0 [ 8.484133][ T139] ? copy_msghdr_from_user+0x420/0x420 [ 8.484148][ T139] __sys_sendmsg+0x12c/0x1d0 [ 8.484151][ T139] ? __sys_sendmsg_sock+0x20/0x20 [ 8.484157][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.484160][ T139] do_syscall_64+0xff/0x530 [ 8.484163][ T139] ? exc_page_fault+0xee/0x100 [ 8.484165][ T139] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.484167][ T139] RIP: 0033:0x7f6ac591354e [ 8.484171][ T139] 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 [ 8.484173][ T139] RSP: 002b:00007ffd46ea11b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 8.484176][ T139] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6ac591354e [ 8.484177][ T139] RDX: 0000000000000000 RSI: 00007ffd46ea1260 RDI: 0000000000000003 [ 8.484178][ T139] RBP: 00007ffd46ea11c0 R08: 0000000000000000 R09: 0000000000000000 [ 8.484179][ T139] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914f9b [ 8.484179][ T139] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd46ea1930 [ 8.484186][ T139] [ 8.531298][ T139] ip (139) used greatest stack depth: 22888 bytes left