[ 8.983143][ T139] netdevsim netdevsim1338 nsim1338: renamed from eth0 [ 8.983202][ T139] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.983205][ T139] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 139, name: ip [ 8.983206][ T139] preempt_count: 1, expected: 0 [ 8.983207][ T139] RCU nest depth: 0, expected: 0 [ 8.983208][ T139] locks held by ip/139: 6, last CPU#3: [ 8.983211][ T139] #0: ffffffff9a4cfcc0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 8.983222][ T139] #1: ff1100000d5fadd0 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: do_setlink.isra.0+0x27a/0x2a60 [ 8.983227][ T139] #2: ffffffff99d69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.983233][ T139] #3: ffffffff99d69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.983236][ T139] #4: ffffffff99c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.983239][ T139] #5: ffffffff99c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 8.983243][ T139] irq event stamp: 15910 [ 8.983244][ T139] hardirqs last enabled at (15909): [] __down_trylock_console_sem+0x86/0xa0 [ 8.983246][ T139] hardirqs last disabled at (15910): [] console_emit_next_record+0x3d4/0x4c0 [ 8.983248][ T139] softirqs last enabled at (15904): [] netif_change_name+0x216/0x8c0 [ 8.983250][ T139] softirqs last disabled at (15902): [] netif_change_name+0x1ad/0x8c0 [ 8.983252][ T139] Preemption disabled at: [ 8.983253][ T139] [] vprintk_emit+0x31b/0x3e0 [ 8.983259][ T139] CPU: 3 UID: 0 PID: 139 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.983262][ T139] Tainted: [W]=WARN [ 8.983263][ T139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.983265][ T139] Call Trace: [ 8.983267][ T139] [ 8.983268][ T139] dump_stack_lvl+0x6f/0xa0 [ 8.983274][ T139] ? vprintk_emit+0x31b/0x3e0 [ 8.983276][ T139] __might_resched.cold+0x1fe/0x2c1 [ 8.983280][ T139] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.983285][ T139] ? __kmalloc_noprof+0xdb/0x760 [ 8.983289][ T139] __kmalloc_noprof+0x443/0x760 [ 8.983292][ T139] ? alloc_buf.isra.0+0x4b/0x260 [ 8.983298][ T139] ? do_raw_spin_unlock+0x59/0x250 [ 8.983301][ T139] alloc_buf.isra.0+0x4b/0x260 [ 8.983304][ T139] put_chars+0x1e1/0x2f0 [ 8.983308][ T139] ? __send_to_port+0x420/0x420 [ 8.983312][ T139] ? validate_chain+0x34a/0xc20 [ 8.983316][ T139] hvc_console_print+0x292/0x780 [ 8.983320][ T139] ? __lock_acquire+0x518/0xc20 [ 8.983321][ T139] ? __lock_acquire+0x518/0xc20 [ 8.983326][ T139] ? hvc_write+0x3a0/0x3a0 [ 8.983330][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.983333][ T139] ? lock_acquire+0x13c/0x160 [ 8.983337][ T139] console_emit_next_record+0x22f/0x4c0 [ 8.983341][ T139] ? devkmsg_read+0x4b0/0x4b0 [ 8.983342][ T139] ? console_flush_one_record+0x106/0x710 [ 8.983345][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.983348][ T139] ? lock_acquire+0x13c/0x160 [ 8.983351][ T139] console_flush_one_record+0x46f/0x710 [ 8.983356][ T139] ? console_emit_next_record+0x4c0/0x4c0 [ 8.983357][ T139] ? __lock_acquire+0x518/0xc20 [ 8.983362][ T139] console_unlock+0xee/0x1f0 [ 8.983365][ T139] ? console_flush_one_record+0x710/0x710 [ 8.983367][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.983369][ T139] ? lock_acquire+0x60/0x160 [ 8.983372][ T139] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.983374][ T139] ? vprintk_emit+0x320/0x3e0 [ 8.983377][ T139] vprintk_emit+0x37c/0x3e0 [ 8.983380][ T139] ? wake_up_klogd_work_func+0x90/0x90 [ 8.983382][ T139] ? __kernel_text_address+0x12/0x30 [ 8.983385][ T139] ? unwind_get_return_address+0x67/0xd0 [ 8.983389][ T139] ? arch_stack_walk+0xed/0x130 [ 8.983395][ T139] dev_vprintk_emit+0x27f/0x2c0 [ 8.983401][ T139] ? device_rename.cold+0xa/0xa [ 8.983409][ T139] dev_printk_emit+0xb9/0xee [ 8.983412][ T139] ? dev_vprintk_emit+0x2c0/0x2c0 [ 8.983416][ T139] ? check_prev_add+0x316/0xe90 [ 8.983421][ T139] __netdev_printk+0x160/0x1d0 [ 8.983426][ T139] netdev_info+0xe2/0x116 [ 8.983428][ T139] ? netdev_notice+0x120/0x120 [ 8.983431][ T139] ? find_held_lock+0x2b/0x80 [ 8.983435][ T139] ? __lock_release.isra.0+0x69/0x1a0 [ 8.983437][ T139] ? mark_held_locks+0x40/0x70 [ 8.983441][ T139] ? do_setlink.isra.0+0x1f7d/0x2a60 [ 8.983443][ T139] netif_change_name.cold+0x4f/0x89 [ 8.983449][ T139] ? netdev_adjacent_rename_links+0x470/0x470 [ 8.983451][ T139] ? __kernel_text_address+0x12/0x30 [ 8.983453][ T139] ? write_profile+0xf0/0xf0 [ 8.983458][ T139] ? __asan_memset+0x27/0x50 [ 8.983463][ T139] do_setlink.isra.0+0x1f7d/0x2a60 [ 8.983467][ T139] ? stack_trace_save+0x93/0xc0 [ 8.983470][ T139] ? rtnl_link_get_size+0x350/0x350 [ 8.983471][ T139] ? rcu_read_lock_any_held+0x66/0x90 [ 8.983474][ T139] ? stack_depot_save_flags+0x38e/0x790 [ 8.983478][ T139] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 8.983480][ T139] ? rcu_read_lock_any_held+0x3c/0x90 [ 8.983482][ T139] ? validate_chain+0x38b/0xc20 [ 8.983484][ T139] ? kasan_save_stack+0x3d/0x50 [ 8.983486][ T139] ? kasan_save_stack+0x2f/0x50 [ 8.983487][ T139] ? kasan_save_track+0x14/0x30 [ 8.983490][ T139] ? __lock_acquire+0x518/0xc20 [ 8.983492][ T139] ? do_one_broadcast+0xc5e/0x1130 [ 8.983495][ T139] ? ___sys_sendmsg+0x100/0x1d0 [ 8.983500][ T139] ? lock_acquire.part.0+0xd4/0x280 [ 8.983502][ T139] ? rtnl_newlink+0x9a8/0x11b0 [ 8.983505][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.983507][ T139] ? lock_acquire+0x13c/0x160 [ 8.983509][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.983510][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.983512][ T139] ? trace_contention_end+0xb3/0x180 [ 8.983515][ T139] ? __mutex_lock+0x1db/0x1ea0 [ 8.983519][ T139] ? __mutex_lock+0x9a3/0x1ea0 [ 8.983522][ T139] ? rtnl_newlink+0x9a8/0x11b0 [ 8.983526][ T139] ? ww_mutex_lock+0x160/0x160 [ 8.983528][ T139] ? nla_get_range_signed+0x3d0/0x3d0 [ 8.983534][ T139] ? __rtnl_newlink+0x3fa/0xa50 [ 8.983540][ T139] rtnl_newlink+0x9f1/0x11b0 [ 8.983545][ T139] ? rtnl_bridge_getlink+0x850/0x850 [ 8.983548][ T139] ? __lock_acquire+0x518/0xc20 [ 8.983552][ T139] ? lock_acquire.part.0+0xd4/0x280 [ 8.983554][ T139] ? find_held_lock+0x2b/0x80 [ 8.983556][ T139] ? rtnl_bridge_getlink+0x850/0x850 [ 8.983558][ T139] ? __lock_release.isra.0+0x69/0x1a0 [ 8.983562][ T139] ? rtnl_bridge_getlink+0x850/0x850 [ 8.983564][ T139] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 8.983568][ T139] ? rtnl_link_fill+0x900/0x900 [ 8.983569][ T139] ? __lock_acquire+0x518/0xc20 [ 8.983574][ T139] ? lock_acquire.part.0+0xd4/0x280 [ 8.983575][ T139] ? find_held_lock+0x2b/0x80 [ 8.983579][ T139] netlink_rcv_skb+0x14e/0x3a0 [ 8.983581][ T139] ? rtnl_link_fill+0x900/0x900 [ 8.983585][ T139] ? netlink_ack+0xcd0/0xcd0 [ 8.983591][ T139] ? netlink_deliver_tap+0xc5/0x330 [ 8.983593][ T139] ? netlink_deliver_tap+0x13c/0x330 [ 8.983598][ T139] netlink_unicast+0x486/0x750 [ 8.983602][ T139] ? netlink_attachskb+0x810/0x810 [ 8.983605][ T139] ? __lock_acquire+0x518/0xc20 [ 8.983609][ T139] netlink_sendmsg+0x735/0xc60 [ 8.983613][ T139] ? netlink_unicast+0x750/0x750 [ 8.983617][ T139] ? __might_fault+0x97/0x140 [ 8.983622][ T139] ____sys_sendmsg+0x415/0x880 [ 8.983625][ T139] ? copy_msghdr_from_user+0x279/0x420 [ 8.983629][ T139] ? get_timestamp.constprop.0+0x3a0/0x3a0 [ 8.983631][ T139] ? move_addr_to_kernel+0x40/0x40 [ 8.983640][ T139] ___sys_sendmsg+0x14e/0x1d0 [ 8.983643][ T139] ? copy_msghdr_from_user+0x420/0x420 [ 8.983660][ T139] __sys_sendmsg+0x12c/0x1d0 [ 8.983663][ T139] ? __sys_sendmsg_sock+0x20/0x20 [ 8.983669][ T139] ? rcu_is_watching+0x16/0xd0 [ 8.983672][ T139] do_syscall_64+0xff/0x530 [ 8.983675][ T139] ? exc_page_fault+0xee/0x100 [ 8.983678][ T139] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.983681][ T139] RIP: 0033:0x7f37d3b4254e [ 8.983684][ 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 [ 8.983686][ T139] RSP: 002b:00007ffcce460b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 8.983689][ T139] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f37d3b4254e [ 8.983690][ T139] RDX: 0000000000000000 RSI: 00007ffcce460bd0 RDI: 0000000000000003 [ 8.983691][ T139] RBP: 00007ffcce460b30 R08: 0000000000000000 R09: 0000000000000000 [ 8.983692][ T139] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a7ac [ 8.983693][ T139] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcce4612a0 [ 8.983700][ T139] [ 9.037948][ T139] ip (139) used greatest stack depth: 22888 bytes left