[ 8.706988][ T140] netdevsim netdevsim1338 nsim1338: renamed from eth0 [ 8.707046][ T140] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.707048][ T140] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 140, name: ip [ 8.707050][ T140] preempt_count: 1, expected: 0 [ 8.707051][ T140] RCU nest depth: 0, expected: 0 [ 8.707052][ T140] locks held by ip/140: 6, last CPU#0: [ 8.707054][ T140] #0: ffffffff8f8cfcc0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 8.707065][ T140] #1: ff1100000da32dd0 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: do_setlink.isra.0+0x27a/0x2a60 [ 8.707069][ T140] #2: ffffffff8f169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.707075][ T140] #3: ffffffff8f169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.707078][ T140] #4: ffffffff8f089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.707081][ T140] #5: ffffffff8f089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 8.707087][ T140] irq event stamp: 22412 [ 8.707088][ T140] hardirqs last enabled at (22411): [] __down_trylock_console_sem+0x86/0xa0 [ 8.707091][ T140] hardirqs last disabled at (22412): [] console_emit_next_record+0x3d4/0x4c0 [ 8.707093][ T140] softirqs last enabled at (22406): [] netif_change_name+0x216/0x8c0 [ 8.707096][ T140] softirqs last disabled at (22404): [] netif_change_name+0x1ad/0x8c0 [ 8.707098][ T140] Preemption disabled at: [ 8.707099][ T140] [] vprintk_emit+0x31b/0x3e0 [ 8.707104][ T140] CPU: 0 UID: 0 PID: 140 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.707107][ T140] Tainted: [W]=WARN [ 8.707108][ T140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.707110][ T140] Call Trace: [ 8.707111][ T140] [ 8.707113][ T140] dump_stack_lvl+0x6f/0xa0 [ 8.707118][ T140] ? vprintk_emit+0x31b/0x3e0 [ 8.707120][ T140] __might_resched.cold+0x1fe/0x2c1 [ 8.707125][ T140] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.707129][ T140] ? __kmalloc_noprof+0xdb/0x760 [ 8.707133][ T140] __kmalloc_noprof+0x443/0x760 [ 8.707136][ T140] ? alloc_buf.isra.0+0x4b/0x260 [ 8.707142][ T140] ? do_raw_spin_unlock+0x59/0x250 [ 8.707144][ T140] alloc_buf.isra.0+0x4b/0x260 [ 8.707147][ T140] put_chars+0x1e1/0x2f0 [ 8.707150][ T140] ? __send_to_port+0x420/0x420 [ 8.707155][ T140] ? validate_chain+0x34a/0xc20 [ 8.707158][ T140] hvc_console_print+0x292/0x780 [ 8.707162][ T140] ? __lock_acquire+0x518/0xc20 [ 8.707163][ T140] ? __lock_acquire+0x518/0xc20 [ 8.707167][ T140] ? hvc_write+0x3a0/0x3a0 [ 8.707171][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.707175][ T140] ? lock_acquire+0x13c/0x160 [ 8.707178][ T140] console_emit_next_record+0x22f/0x4c0 [ 8.707181][ T140] ? devkmsg_read+0x4b0/0x4b0 [ 8.707183][ T140] ? console_flush_one_record+0x106/0x710 [ 8.707186][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.707188][ T140] ? lock_acquire+0x13c/0x160 [ 8.707192][ T140] console_flush_one_record+0x46f/0x710 [ 8.707195][ T140] ? console_emit_next_record+0x4c0/0x4c0 [ 8.707197][ T140] ? __lock_acquire+0x518/0xc20 [ 8.707202][ T140] console_unlock+0xee/0x1f0 [ 8.707204][ T140] ? console_flush_one_record+0x710/0x710 [ 8.707206][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.707208][ T140] ? lock_acquire+0x60/0x160 [ 8.707212][ T140] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.707213][ T140] ? vprintk_emit+0x320/0x3e0 [ 8.707216][ T140] vprintk_emit+0x37c/0x3e0 [ 8.707219][ T140] ? wake_up_klogd_work_func+0x90/0x90 [ 8.707221][ T140] ? __kernel_text_address+0x12/0x30 [ 8.707224][ T140] ? unwind_get_return_address+0x67/0xd0 [ 8.707228][ T140] ? arch_stack_walk+0xed/0x130 [ 8.707236][ T140] dev_vprintk_emit+0x27f/0x2c0 [ 8.707241][ T140] ? device_rename.cold+0xa/0xa [ 8.707249][ T140] dev_printk_emit+0xb9/0xee [ 8.707251][ T140] ? dev_vprintk_emit+0x2c0/0x2c0 [ 8.707255][ T140] ? check_prev_add+0x316/0xe90 [ 8.707260][ T140] __netdev_printk+0x160/0x1d0 [ 8.707265][ T140] netdev_info+0xe2/0x116 [ 8.707267][ T140] ? netdev_notice+0x120/0x120 [ 8.707269][ T140] ? find_held_lock+0x2b/0x80 [ 8.707273][ T140] ? __lock_release.isra.0+0x69/0x1a0 [ 8.707276][ T140] ? mark_held_locks+0x40/0x70 [ 8.707279][ T140] ? do_setlink.isra.0+0x1f7d/0x2a60 [ 8.707281][ T140] netif_change_name.cold+0x4f/0x89 [ 8.707287][ T140] ? netdev_adjacent_rename_links+0x470/0x470 [ 8.707289][ T140] ? __kernel_text_address+0x12/0x30 [ 8.707291][ T140] ? write_profile+0xf0/0xf0 [ 8.707295][ T140] ? __asan_memset+0x27/0x50 [ 8.707301][ T140] do_setlink.isra.0+0x1f7d/0x2a60 [ 8.707304][ T140] ? stack_trace_save+0x93/0xc0 [ 8.707307][ T140] ? rtnl_link_get_size+0x350/0x350 [ 8.707308][ T140] ? rcu_read_lock_any_held+0x66/0x90 [ 8.707311][ T140] ? stack_depot_save_flags+0x38e/0x790 [ 8.707315][ T140] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 8.707318][ T140] ? rcu_read_lock_any_held+0x3c/0x90 [ 8.707319][ T140] ? validate_chain+0x38b/0xc20 [ 8.707321][ T140] ? kasan_save_stack+0x3d/0x50 [ 8.707323][ T140] ? kasan_save_stack+0x2f/0x50 [ 8.707325][ T140] ? kasan_save_track+0x14/0x30 [ 8.707327][ T140] ? __lock_acquire+0x518/0xc20 [ 8.707329][ T140] ? do_one_broadcast+0xc9e/0x1130 [ 8.707332][ T140] ? ___sys_sendmsg+0x100/0x1d0 [ 8.707337][ T140] ? lock_acquire.part.0+0xd4/0x280 [ 8.707338][ T140] ? rtnl_newlink+0x9a8/0x11b0 [ 8.707341][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.707343][ T140] ? lock_acquire+0x13c/0x160 [ 8.707345][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.707346][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.707348][ T140] ? trace_contention_end+0xb3/0x180 [ 8.707351][ T140] ? __mutex_lock+0x1db/0x1ea0 [ 8.707355][ T140] ? __mutex_lock+0x9a3/0x1ea0 [ 8.707358][ T140] ? rtnl_newlink+0x9a8/0x11b0 [ 8.707361][ T140] ? ww_mutex_lock+0x160/0x160 [ 8.707363][ T140] ? nla_get_range_signed+0x3d0/0x3d0 [ 8.707369][ T140] ? __rtnl_newlink+0x3fa/0xa50 [ 8.707374][ T140] rtnl_newlink+0x9f1/0x11b0 [ 8.707380][ T140] ? rtnl_bridge_getlink+0x850/0x850 [ 8.707382][ T140] ? __lock_acquire+0x518/0xc20 [ 8.707386][ T140] ? lock_acquire.part.0+0xd4/0x280 [ 8.707388][ T140] ? find_held_lock+0x2b/0x80 [ 8.707390][ T140] ? rtnl_bridge_getlink+0x850/0x850 [ 8.707392][ T140] ? __lock_release.isra.0+0x69/0x1a0 [ 8.707395][ T140] ? rtnl_bridge_getlink+0x850/0x850 [ 8.707398][ T140] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 8.707401][ T140] ? rtnl_link_fill+0x900/0x900 [ 8.707402][ T140] ? __lock_acquire+0x518/0xc20 [ 8.707406][ T140] ? lock_acquire.part.0+0xd4/0x280 [ 8.707408][ T140] ? find_held_lock+0x2b/0x80 [ 8.707412][ T140] netlink_rcv_skb+0x14e/0x3a0 [ 8.707414][ T140] ? rtnl_link_fill+0x900/0x900 [ 8.707417][ T140] ? netlink_ack+0xcd0/0xcd0 [ 8.707423][ T140] ? netlink_deliver_tap+0xc5/0x330 [ 8.707425][ T140] ? netlink_deliver_tap+0x13c/0x330 [ 8.707429][ T140] netlink_unicast+0x486/0x750 [ 8.707433][ T140] ? netlink_attachskb+0x810/0x810 [ 8.707435][ T140] ? __lock_acquire+0x518/0xc20 [ 8.707439][ T140] netlink_sendmsg+0x735/0xc60 [ 8.707443][ T140] ? netlink_unicast+0x750/0x750 [ 8.707447][ T140] ? __might_fault+0x97/0x140 [ 8.707452][ T140] ____sys_sendmsg+0x415/0x880 [ 8.707454][ T140] ? copy_msghdr_from_user+0x279/0x420 [ 8.707457][ T140] ? get_timestamp.constprop.0+0x3a0/0x3a0 [ 8.707459][ T140] ? move_addr_to_kernel+0x40/0x40 [ 8.707466][ T140] ___sys_sendmsg+0x14e/0x1d0 [ 8.707469][ T140] ? copy_msghdr_from_user+0x420/0x420 [ 8.707485][ T140] __sys_sendmsg+0x12c/0x1d0 [ 8.707488][ T140] ? __sys_sendmsg_sock+0x20/0x20 [ 8.707494][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.707497][ T140] do_syscall_64+0xff/0x530 [ 8.707500][ T140] ? exc_page_fault+0xee/0x100 [ 8.707503][ T140] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.707505][ T140] RIP: 0033:0x7f16e61e754e [ 8.707509][ T140] 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 [ 8.707511][ T140] RSP: 002b:00007ffc0ccd9de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 8.707513][ T140] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f16e61e754e [ 8.707515][ T140] RDX: 0000000000000000 RSI: 00007ffc0ccd9e90 RDI: 0000000000000003 [ 8.707516][ T140] RBP: 00007ffc0ccd9df0 R08: 0000000000000000 R09: 0000000000000000 [ 8.707516][ T140] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d2d0 [ 8.707517][ T140] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0ccda560 [ 8.707524][ T140] [ 8.749535][ T140] ip (140) used greatest stack depth: 22888 bytes left