[ 9.146348][ T139] netdevsim netdevsim1337 nsim1337: renamed from eth0 [ 9.146419][ T139] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.146421][ T139] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 139, name: ip [ 9.146423][ T139] preempt_count: 1, expected: 0 [ 9.146424][ T139] RCU nest depth: 0, expected: 0 [ 9.146425][ T139] locks held by ip/139: 6, last CPU#2: [ 9.146427][ T139] #0: ffffffffb6ecfcc0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 9.146439][ T139] #1: ff1100000c742dd0 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: do_setlink.isra.0+0x27a/0x2a60 [ 9.146444][ T139] #2: ffffffffb6769cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.146450][ T139] #3: ffffffffb6769d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.146453][ T139] #4: ffffffffb6689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.146456][ T139] #5: ffffffffb6689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.146460][ T139] irq event stamp: 21576 [ 9.146461][ T139] hardirqs last enabled at (21575): [] __down_trylock_console_sem+0x86/0xa0 [ 9.146463][ T139] hardirqs last disabled at (21576): [] console_emit_next_record+0x3d4/0x4c0 [ 9.146465][ T139] softirqs last enabled at (21570): [] netif_change_name+0x216/0x8c0 [ 9.146468][ T139] softirqs last disabled at (21568): [] netif_change_name+0x1ad/0x8c0 [ 9.146470][ T139] Preemption disabled at: [ 9.146471][ T139] [] vprintk_emit+0x31b/0x3e0 [ 9.146476][ T139] CPU: 2 UID: 0 PID: 139 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.146480][ T139] Tainted: [W]=WARN [ 9.146481][ T139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.146483][ T139] Call Trace: [ 9.146485][ T139] [ 9.146486][ T139] dump_stack_lvl+0x6f/0xa0 [ 9.146492][ T139] ? vprintk_emit+0x31b/0x3e0 [ 9.146494][ T139] __might_resched.cold+0x1fe/0x2c1 [ 9.146499][ T139] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.146503][ T139] ? __kmalloc_noprof+0xdb/0x760 [ 9.146508][ T139] __kmalloc_noprof+0x443/0x760 [ 9.146510][ T139] ? alloc_buf.isra.0+0x4b/0x260 [ 9.146516][ T139] ? do_raw_spin_unlock+0x59/0x250 [ 9.146519][ T139] alloc_buf.isra.0+0x4b/0x260 [ 9.146522][ T139] put_chars+0x1e1/0x2f0 [ 9.146525][ T139] ? __send_to_port+0x420/0x420 [ 9.146530][ T139] ? validate_chain+0x34a/0xc20 [ 9.146534][ T139] hvc_console_print+0x292/0x780 [ 9.146538][ T139] ? __lock_acquire+0x518/0xc20 [ 9.146539][ T139] ? __lock_acquire+0x518/0xc20 [ 9.146544][ T139] ? hvc_write+0x3a0/0x3a0 [ 9.146547][ T139] ? rcu_is_watching+0x16/0xd0 [ 9.146551][ T139] ? lock_acquire+0x13c/0x160 [ 9.146555][ T139] console_emit_next_record+0x22f/0x4c0 [ 9.146558][ T139] ? devkmsg_read+0x4b0/0x4b0 [ 9.146560][ T139] ? console_flush_one_record+0x106/0x710 [ 9.146563][ T139] ? rcu_is_watching+0x16/0xd0 [ 9.146565][ T139] ? lock_acquire+0x13c/0x160 [ 9.146569][ T139] console_flush_one_record+0x46f/0x710 [ 9.146573][ T139] ? console_emit_next_record+0x4c0/0x4c0 [ 9.146574][ T139] ? __lock_acquire+0x518/0xc20 [ 9.146580][ T139] console_unlock+0xee/0x1f0 [ 9.146582][ T139] ? console_flush_one_record+0x710/0x710 [ 9.146584][ T139] ? rcu_is_watching+0x16/0xd0 [ 9.146586][ T139] ? lock_acquire+0x60/0x160 [ 9.146589][ T139] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.146591][ T139] ? vprintk_emit+0x320/0x3e0 [ 9.146594][ T139] vprintk_emit+0x37c/0x3e0 [ 9.146597][ T139] ? wake_up_klogd_work_func+0x90/0x90 [ 9.146599][ T139] ? __kernel_text_address+0x12/0x30 [ 9.146603][ T139] ? unwind_get_return_address+0x67/0xd0 [ 9.146607][ T139] ? arch_stack_walk+0xed/0x130 [ 9.146613][ T139] dev_vprintk_emit+0x27f/0x2c0 [ 9.146617][ T139] ? device_rename.cold+0xa/0xa [ 9.146626][ T139] dev_printk_emit+0xb9/0xee [ 9.146628][ T139] ? dev_vprintk_emit+0x2c0/0x2c0 [ 9.146632][ T139] ? check_prev_add+0x316/0xe90 [ 9.146637][ T139] __netdev_printk+0x160/0x1d0 [ 9.146643][ T139] netdev_info+0xe2/0x116 [ 9.146645][ T139] ? netdev_notice+0x120/0x120 [ 9.146647][ T139] ? find_held_lock+0x2b/0x80 [ 9.146652][ T139] ? __lock_release.isra.0+0x69/0x1a0 [ 9.146654][ T139] ? mark_held_locks+0x40/0x70 [ 9.146657][ T139] ? do_setlink.isra.0+0x1f7d/0x2a60 [ 9.146660][ T139] netif_change_name.cold+0x4f/0x89 [ 9.146666][ T139] ? netdev_adjacent_rename_links+0x470/0x470 [ 9.146668][ T139] ? __kernel_text_address+0x12/0x30 [ 9.146670][ T139] ? write_profile+0xf0/0xf0 [ 9.146674][ T139] ? __asan_memset+0x27/0x50 [ 9.146680][ T139] do_setlink.isra.0+0x1f7d/0x2a60 [ 9.146684][ T139] ? stack_trace_save+0x93/0xc0 [ 9.146686][ T139] ? rtnl_link_get_size+0x350/0x350 [ 9.146688][ T139] ? rcu_read_lock_any_held+0x66/0x90 [ 9.146690][ T139] ? stack_depot_save_flags+0x38e/0x790 [ 9.146694][ T139] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.146697][ T139] ? rcu_read_lock_any_held+0x3c/0x90 [ 9.146699][ T139] ? validate_chain+0x38b/0xc20 [ 9.146701][ T139] ? kasan_save_stack+0x3d/0x50 [ 9.146703][ T139] ? kasan_save_stack+0x2f/0x50 [ 9.146705][ T139] ? kasan_save_track+0x14/0x30 [ 9.146707][ T139] ? __lock_acquire+0x518/0xc20 [ 9.146709][ T139] ? do_one_broadcast+0xc5e/0x1130 [ 9.146712][ T139] ? ___sys_sendmsg+0x100/0x1d0 [ 9.146717][ T139] ? lock_acquire.part.0+0xd4/0x280 [ 9.146719][ T139] ? rtnl_newlink+0x9a8/0x11b0 [ 9.146722][ T139] ? rcu_is_watching+0x16/0xd0 [ 9.146724][ T139] ? lock_acquire+0x13c/0x160 [ 9.146726][ T139] ? rcu_is_watching+0x16/0xd0 [ 9.146727][ T139] ? rcu_is_watching+0x16/0xd0 [ 9.146729][ T139] ? trace_contention_end+0xb3/0x180 [ 9.146732][ T139] ? __mutex_lock+0x1db/0x1ea0 [ 9.146736][ T139] ? __mutex_lock+0x9a3/0x1ea0 [ 9.146739][ T139] ? rtnl_newlink+0x9a8/0x11b0 [ 9.146743][ T139] ? ww_mutex_lock+0x160/0x160 [ 9.146745][ T139] ? nla_get_range_signed+0x3d0/0x3d0 [ 9.146751][ T139] ? __rtnl_newlink+0x3fa/0xa50 [ 9.146756][ T139] rtnl_newlink+0x9f1/0x11b0 [ 9.146762][ T139] ? rtnl_bridge_getlink+0x850/0x850 [ 9.146764][ T139] ? __lock_acquire+0x518/0xc20 [ 9.146769][ T139] ? lock_acquire.part.0+0xd4/0x280 [ 9.146770][ T139] ? find_held_lock+0x2b/0x80 [ 9.146773][ T139] ? rtnl_bridge_getlink+0x850/0x850 [ 9.146775][ T139] ? __lock_release.isra.0+0x69/0x1a0 [ 9.146778][ T139] ? rtnl_bridge_getlink+0x850/0x850 [ 9.146781][ T139] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 9.146784][ T139] ? rtnl_link_fill+0x900/0x900 [ 9.146786][ T139] ? __lock_acquire+0x518/0xc20 [ 9.146790][ T139] ? lock_acquire.part.0+0xd4/0x280 [ 9.146792][ T139] ? find_held_lock+0x2b/0x80 [ 9.146796][ T139] netlink_rcv_skb+0x14e/0x3a0 [ 9.146798][ T139] ? rtnl_link_fill+0x900/0x900 [ 9.146801][ T139] ? netlink_ack+0xcd0/0xcd0 [ 9.146807][ T139] ? netlink_deliver_tap+0xc5/0x330 [ 9.146809][ T139] ? netlink_deliver_tap+0x13c/0x330 [ 9.146813][ T139] netlink_unicast+0x486/0x750 [ 9.146817][ T139] ? netlink_attachskb+0x810/0x810 [ 9.146820][ T139] ? __lock_acquire+0x518/0xc20 [ 9.146824][ T139] netlink_sendmsg+0x735/0xc60 [ 9.146828][ T139] ? netlink_unicast+0x750/0x750 [ 9.146832][ T139] ? __might_fault+0x97/0x140 [ 9.146837][ T139] ____sys_sendmsg+0x415/0x880 [ 9.146840][ T139] ? copy_msghdr_from_user+0x279/0x420 [ 9.146843][ T139] ? get_timestamp.constprop.0+0x3a0/0x3a0 [ 9.146845][ T139] ? move_addr_to_kernel+0x40/0x40 [ 9.146852][ T139] ___sys_sendmsg+0x14e/0x1d0 [ 9.146856][ T139] ? copy_msghdr_from_user+0x420/0x420 [ 9.146872][ T139] __sys_sendmsg+0x12c/0x1d0 [ 9.146875][ T139] ? __sys_sendmsg_sock+0x20/0x20 [ 9.146881][ T139] ? rcu_is_watching+0x16/0xd0 [ 9.146884][ T139] do_syscall_64+0xff/0x530 [ 9.146888][ T139] ? exc_page_fault+0xee/0x100 [ 9.146890][ T139] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.146893][ T139] RIP: 0033:0x7f88556b254e [ 9.146897][ 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 [ 9.146898][ T139] RSP: 002b:00007ffe9e5ed2b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.146901][ T139] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f88556b254e [ 9.146903][ T139] RDX: 0000000000000000 RSI: 00007ffe9e5ed360 RDI: 0000000000000003 [ 9.146904][ T139] RBP: 00007ffe9e5ed2c0 R08: 0000000000000000 R09: 0000000000000000 [ 9.146904][ T139] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917e69 [ 9.146905][ T139] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9e5eda30 [ 9.146912][ T139] [ 9.199152][ T139] ip (139) used greatest stack depth: 22888 bytes left