[ 8.738403][ T140] netdevsim netdevsim1337 nsim1337: renamed from eth0 [ 8.738477][ T140] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.738479][ T140] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 140, name: ip [ 8.738481][ T140] preempt_count: 1, expected: 0 [ 8.738482][ T140] RCU nest depth: 0, expected: 0 [ 8.738483][ T140] locks held by ip/140: 6, last CPU#3: [ 8.738485][ T140] #0: ffffffffae4cfcc0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 8.738497][ T140] #1: ff1100000503add0 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: do_setlink.isra.0+0x27a/0x2a60 [ 8.738502][ T140] #2: ffffffffadd69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.738507][ T140] #3: ffffffffadd69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.738511][ T140] #4: ffffffffadc89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.738514][ T140] #5: ffffffffadc89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 8.738517][ T140] irq event stamp: 16928 [ 8.738518][ T140] hardirqs last enabled at (16927): [] __down_trylock_console_sem+0x86/0xa0 [ 8.738521][ T140] hardirqs last disabled at (16928): [] console_emit_next_record+0x3d4/0x4c0 [ 8.738522][ T140] softirqs last enabled at (16922): [] netif_change_name+0x216/0x8c0 [ 8.738525][ T140] softirqs last disabled at (16920): [] netif_change_name+0x1ad/0x8c0 [ 8.738527][ T140] Preemption disabled at: [ 8.738528][ T140] [] vprintk_emit+0x31b/0x3e0 [ 8.738533][ T140] CPU: 3 UID: 0 PID: 140 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.738537][ T140] Tainted: [W]=WARN [ 8.738538][ T140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.738539][ T140] Call Trace: [ 8.738541][ T140] [ 8.738543][ T140] dump_stack_lvl+0x6f/0xa0 [ 8.738548][ T140] ? vprintk_emit+0x31b/0x3e0 [ 8.738550][ T140] __might_resched.cold+0x1fe/0x2c1 [ 8.738555][ T140] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.738559][ T140] ? __kmalloc_noprof+0xdb/0x760 [ 8.738564][ T140] __kmalloc_noprof+0x443/0x760 [ 8.738566][ T140] ? alloc_buf.isra.0+0x4b/0x260 [ 8.738572][ T140] ? do_raw_spin_unlock+0x59/0x250 [ 8.738575][ T140] alloc_buf.isra.0+0x4b/0x260 [ 8.738579][ T140] put_chars+0x1e1/0x2f0 [ 8.738582][ T140] ? __send_to_port+0x420/0x420 [ 8.738586][ T140] ? validate_chain+0x34a/0xc20 [ 8.738590][ T140] hvc_console_print+0x292/0x780 [ 8.738594][ T140] ? __lock_acquire+0x518/0xc20 [ 8.738595][ T140] ? __lock_acquire+0x518/0xc20 [ 8.738600][ T140] ? hvc_write+0x3a0/0x3a0 [ 8.738603][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.738607][ T140] ? lock_acquire+0x13c/0x160 [ 8.738611][ T140] console_emit_next_record+0x22f/0x4c0 [ 8.738614][ T140] ? devkmsg_read+0x4b0/0x4b0 [ 8.738616][ T140] ? console_flush_one_record+0x106/0x710 [ 8.738619][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.738621][ T140] ? lock_acquire+0x13c/0x160 [ 8.738625][ T140] console_flush_one_record+0x46f/0x710 [ 8.738629][ T140] ? console_emit_next_record+0x4c0/0x4c0 [ 8.738630][ T140] ? __lock_acquire+0x518/0xc20 [ 8.738636][ T140] console_unlock+0xee/0x1f0 [ 8.738638][ T140] ? console_flush_one_record+0x710/0x710 [ 8.738640][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.738642][ T140] ? lock_acquire+0x60/0x160 [ 8.738645][ T140] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.738647][ T140] ? vprintk_emit+0x320/0x3e0 [ 8.738650][ T140] vprintk_emit+0x37c/0x3e0 [ 8.738654][ T140] ? wake_up_klogd_work_func+0x90/0x90 [ 8.738655][ T140] ? __kernel_text_address+0x12/0x30 [ 8.738659][ T140] ? unwind_get_return_address+0x67/0xd0 [ 8.738662][ T140] ? arch_stack_walk+0xed/0x130 [ 8.738669][ T140] dev_vprintk_emit+0x27f/0x2c0 [ 8.738674][ T140] ? device_rename.cold+0xa/0xa [ 8.738682][ T140] dev_printk_emit+0xb9/0xee [ 8.738684][ T140] ? dev_vprintk_emit+0x2c0/0x2c0 [ 8.738688][ T140] ? check_prev_add+0x316/0xe90 [ 8.738693][ T140] __netdev_printk+0x160/0x1d0 [ 8.738699][ T140] netdev_info+0xe2/0x116 [ 8.738701][ T140] ? netdev_notice+0x120/0x120 [ 8.738703][ T140] ? find_held_lock+0x2b/0x80 [ 8.738713][ T140] ? __lock_release.isra.0+0x69/0x1a0 [ 8.738715][ T140] ? mark_held_locks+0x40/0x70 [ 8.738719][ T140] ? do_setlink.isra.0+0x1f7d/0x2a60 [ 8.738721][ T140] netif_change_name.cold+0x4f/0x89 [ 8.738727][ T140] ? netdev_adjacent_rename_links+0x470/0x470 [ 8.738729][ T140] ? __kernel_text_address+0x12/0x30 [ 8.738731][ T140] ? write_profile+0xf0/0xf0 [ 8.738735][ T140] ? __asan_memset+0x27/0x50 [ 8.738740][ T140] do_setlink.isra.0+0x1f7d/0x2a60 [ 8.738744][ T140] ? stack_trace_save+0x93/0xc0 [ 8.738746][ T140] ? rtnl_link_get_size+0x350/0x350 [ 8.738748][ T140] ? rcu_read_lock_any_held+0x66/0x90 [ 8.738750][ T140] ? stack_depot_save_flags+0x38e/0x790 [ 8.738756][ T140] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 8.738759][ T140] ? rcu_read_lock_any_held+0x3c/0x90 [ 8.738761][ T140] ? validate_chain+0x38b/0xc20 [ 8.738764][ T140] ? kasan_save_stack+0x3d/0x50 [ 8.738765][ T140] ? kasan_save_stack+0x2f/0x50 [ 8.738767][ T140] ? kasan_save_track+0x14/0x30 [ 8.738769][ T140] ? __lock_acquire+0x518/0xc20 [ 8.738771][ T140] ? do_one_broadcast+0xc5e/0x1130 [ 8.738774][ T140] ? ___sys_sendmsg+0x100/0x1d0 [ 8.738779][ T140] ? lock_acquire.part.0+0xd4/0x280 [ 8.738781][ T140] ? rtnl_newlink+0x9a8/0x11b0 [ 8.738784][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.738786][ T140] ? lock_acquire+0x13c/0x160 [ 8.738787][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.738789][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.738791][ T140] ? trace_contention_end+0xb3/0x180 [ 8.738794][ T140] ? __mutex_lock+0x1db/0x1ea0 [ 8.738798][ T140] ? __mutex_lock+0x9a3/0x1ea0 [ 8.738800][ T140] ? rtnl_newlink+0x9a8/0x11b0 [ 8.738804][ T140] ? ww_mutex_lock+0x160/0x160 [ 8.738806][ T140] ? nla_get_range_signed+0x3d0/0x3d0 [ 8.738812][ T140] ? __rtnl_newlink+0x3fa/0xa50 [ 8.738817][ T140] rtnl_newlink+0x9f1/0x11b0 [ 8.738823][ T140] ? rtnl_bridge_getlink+0x850/0x850 [ 8.738825][ T140] ? __lock_acquire+0x518/0xc20 [ 8.738829][ T140] ? lock_acquire.part.0+0xd4/0x280 [ 8.738831][ T140] ? find_held_lock+0x2b/0x80 [ 8.738833][ T140] ? rtnl_bridge_getlink+0x850/0x850 [ 8.738835][ T140] ? __lock_release.isra.0+0x69/0x1a0 [ 8.738839][ T140] ? rtnl_bridge_getlink+0x850/0x850 [ 8.738841][ T140] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 8.738844][ T140] ? rtnl_link_fill+0x900/0x900 [ 8.738846][ T140] ? __lock_acquire+0x518/0xc20 [ 8.738850][ T140] ? lock_acquire.part.0+0xd4/0x280 [ 8.738852][ T140] ? find_held_lock+0x2b/0x80 [ 8.738856][ T140] netlink_rcv_skb+0x14e/0x3a0 [ 8.738857][ T140] ? rtnl_link_fill+0x900/0x900 [ 8.738861][ T140] ? netlink_ack+0xcd0/0xcd0 [ 8.738867][ T140] ? netlink_deliver_tap+0xc5/0x330 [ 8.738869][ T140] ? netlink_deliver_tap+0x13c/0x330 [ 8.738873][ T140] netlink_unicast+0x486/0x750 [ 8.738877][ T140] ? netlink_attachskb+0x810/0x810 [ 8.738879][ T140] ? __lock_acquire+0x518/0xc20 [ 8.738883][ T140] netlink_sendmsg+0x735/0xc60 [ 8.738887][ T140] ? netlink_unicast+0x750/0x750 [ 8.738891][ T140] ? __might_fault+0x97/0x140 [ 8.738896][ T140] ____sys_sendmsg+0x415/0x880 [ 8.738899][ T140] ? copy_msghdr_from_user+0x279/0x420 [ 8.738901][ T140] ? get_timestamp.constprop.0+0x3a0/0x3a0 [ 8.738903][ T140] ? move_addr_to_kernel+0x40/0x40 [ 8.738911][ T140] ___sys_sendmsg+0x14e/0x1d0 [ 8.738914][ T140] ? copy_msghdr_from_user+0x420/0x420 [ 8.738930][ T140] __sys_sendmsg+0x12c/0x1d0 [ 8.738933][ T140] ? __sys_sendmsg_sock+0x20/0x20 [ 8.738939][ T140] ? rcu_is_watching+0x16/0xd0 [ 8.738942][ T140] do_syscall_64+0xff/0x530 [ 8.738945][ T140] ? exc_page_fault+0xee/0x100 [ 8.738948][ T140] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.738950][ T140] RIP: 0033:0x7f7da991a54e [ 8.738954][ 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 [ 8.738956][ T140] RSP: 002b:00007fff8345a310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 8.738959][ T140] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7da991a54e [ 8.738960][ T140] RDX: 0000000000000000 RSI: 00007fff8345a3c0 RDI: 0000000000000003 [ 8.738961][ T140] RBP: 00007fff8345a320 R08: 0000000000000000 R09: 0000000000000000 [ 8.738962][ T140] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a463 [ 8.738963][ T140] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8345aa90 [ 8.738970][ T140] [ 8.789415][ T140] ip (140) used greatest stack depth: 22888 bytes left