[ 11.370225][ T182] netdevsim netdevsim5082 eni5082np1: renamed from eth0 [ 11.370341][ T182] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.370344][ T182] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 182, name: (udev-worker) [ 11.370346][ T182] preempt_count: 1, expected: 0 [ 11.370346][ T182] RCU nest depth: 0, expected: 0 [ 11.370348][ T182] locks held by (udev-worker)/182: 6, last CPU#3: [ 11.370350][ T182] #0: ffffffff95d05fc0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_setlink+0x29d/0x920 [ 11.370362][ T182] #1: ff1100000c47ade8 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: do_setlink.isra.0+0x27a/0x2a60 [ 11.370367][ T182] #2: ffffffff95599cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.370372][ T182] #3: ffffffff95599d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.370377][ T182] #4: ffffffff95489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.370380][ T182] #5: ffffffff95489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 11.370384][ T182] irq event stamp: 24808 [ 11.370385][ T182] hardirqs last enabled at (24807): [] __down_trylock_console_sem+0x86/0xa0 [ 11.370388][ T182] hardirqs last disabled at (24808): [] console_emit_next_record+0x3f8/0x4f0 [ 11.370391][ T182] softirqs last enabled at (24802): [] netif_change_name+0x216/0x8c0 [ 11.370394][ T182] softirqs last disabled at (24800): [] netif_change_name+0x1ad/0x8c0 [ 11.370397][ T182] Preemption disabled at: [ 11.370397][ T182] [] vprintk_emit+0x31b/0x3e0 [ 11.370403][ T182] CPU: 3 UID: 0 PID: 182 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.370406][ T182] Tainted: [W]=WARN [ 11.370407][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.370410][ T182] Call Trace: [ 11.370411][ T182] [ 11.370413][ T182] dump_stack_lvl+0x6f/0xa0 [ 11.370419][ T182] ? vprintk_emit+0x31b/0x3e0 [ 11.370421][ T182] __might_resched.cold+0x1fe/0x2c1 [ 11.370426][ T182] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.370430][ T182] ? __kmalloc_noprof+0xdb/0x760 [ 11.370436][ T182] __kmalloc_noprof+0x443/0x760 [ 11.370439][ T182] ? alloc_buf.isra.0+0x4b/0x260 [ 11.370446][ T182] ? do_raw_spin_unlock+0x59/0x250 [ 11.370449][ T182] alloc_buf.isra.0+0x4b/0x260 [ 11.370453][ T182] put_chars+0x1e1/0x2f0 [ 11.370456][ T182] ? __send_to_port+0x420/0x420 [ 11.370460][ T182] ? validate_chain+0x34a/0xc20 [ 11.370466][ T182] hvc_console_print+0x292/0x780 [ 11.370469][ T182] ? __lock_acquire+0x518/0xc20 [ 11.370475][ T182] ? hvc_write+0x3a0/0x3a0 [ 11.370478][ T182] ? rcu_is_watching+0x16/0xd0 [ 11.370485][ T182] console_emit_next_record+0x252/0x4f0 [ 11.370489][ T182] ? devkmsg_read+0x4e0/0x4e0 [ 11.370494][ T182] ? rcu_is_watching+0x16/0xd0 [ 11.370496][ T182] ? lock_acquire+0x13c/0x160 [ 11.370500][ T182] console_flush_one_record+0x46f/0x710 [ 11.370505][ T182] ? console_emit_next_record+0x4f0/0x4f0 [ 11.370507][ T182] ? __lock_acquire+0x518/0xc20 [ 11.370516][ T182] console_unlock+0xee/0x1f0 [ 11.370519][ T182] ? console_flush_one_record+0x710/0x710 [ 11.370522][ T182] ? rcu_is_watching+0x16/0xd0 [ 11.370524][ T182] ? lock_acquire+0x60/0x160 [ 11.370528][ T182] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.370531][ T182] ? vprintk_emit+0x320/0x3e0 [ 11.370534][ T182] vprintk_emit+0x37c/0x3e0 [ 11.370538][ T182] ? wake_up_klogd_work_func+0x90/0x90 [ 11.370540][ T182] ? write_profile+0xf0/0xf0 [ 11.370543][ T182] ? unwind_get_return_address+0x67/0xd0 [ 11.370551][ T182] dev_vprintk_emit+0x27f/0x2c0 [ 11.370556][ T182] ? device_rename.cold+0xa/0xa [ 11.370561][ T182] ? filter_irq_stacks+0xd0/0xd0 [ 11.370568][ T182] dev_printk_emit+0xb9/0xee [ 11.370571][ T182] ? dev_vprintk_emit+0x2c0/0x2c0 [ 11.370575][ T182] ? check_prev_add+0x316/0xe90 [ 11.370581][ T182] __netdev_printk+0x160/0x1d0 [ 11.370587][ T182] netdev_info+0xe2/0x116 [ 11.370590][ T182] ? netdev_notice+0x120/0x120 [ 11.370594][ T182] ? find_held_lock+0x2b/0x80 [ 11.370597][ T182] ? __lock_release.isra.0+0x69/0x1a0 [ 11.370600][ T182] ? mark_held_locks+0x40/0x70 [ 11.370605][ T182] ? do_setlink.isra.0+0x1f7d/0x2a60 [ 11.370608][ T182] netif_change_name.cold+0x4f/0x89 [ 11.370611][ T182] ? __lock_acquire+0x518/0xc20 [ 11.370614][ T182] ? mark_lock_irq+0x747/0x9c0 [ 11.370616][ T182] ? find_held_lock+0x2/0x80 [ 11.370619][ T182] ? netdev_adjacent_rename_links+0x470/0x470 [ 11.370623][ T182] ? find_held_lock+0x2b/0x80 [ 11.370626][ T182] ? __asan_memset+0x27/0x50 [ 11.370632][ T182] do_setlink.isra.0+0x1f7d/0x2a60 [ 11.370635][ T182] ? __lock_acquire+0x518/0xc20 [ 11.370638][ T182] ? rtnl_link_get_size+0x350/0x350 [ 11.370640][ T182] ? mark_usage+0x61/0x170 [ 11.370642][ T182] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.370645][ T182] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.370647][ T182] ? validate_chain+0x38b/0xc20 [ 11.370652][ T182] ? __lock_acquire+0x518/0xc20 [ 11.370657][ T182] ? lock_acquire.part.0+0xd4/0x280 [ 11.370659][ T182] ? rtnl_setlink+0x29d/0x920 [ 11.370663][ T182] ? rcu_is_watching+0x16/0xd0 [ 11.370665][ T182] ? lock_acquire+0x13c/0x160 [ 11.370667][ T182] ? rcu_is_watching+0x16/0xd0 [ 11.370668][ T182] ? rcu_is_watching+0x16/0xd0 [ 11.370670][ T182] ? trace_contention_end+0xb3/0x180 [ 11.370673][ T182] ? __mutex_lock+0x1db/0x1ea0 [ 11.370677][ T182] ? __mutex_lock+0x9a3/0x1ea0 [ 11.370678][ T182] ? __lock_acquire+0x518/0xc20 [ 11.370681][ T182] ? rtnl_setlink+0x29d/0x920 [ 11.370684][ T182] ? mark_usage+0x61/0x170 [ 11.370687][ T182] ? ww_mutex_lock+0x160/0x160 [ 11.370689][ T182] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.370695][ T182] ? mark_usage+0x61/0x170 [ 11.370699][ T182] ? cap_capable+0x1d7/0x3d0 [ 11.370708][ T182] rtnl_setlink+0x527/0x920 [ 11.370711][ T182] ? __rtnl_newlink+0xa50/0xa50 [ 11.370713][ T182] ? __lock_acquire+0x518/0xc20 [ 11.370741][ T182] ? lock_acquire.part.0+0xd4/0x280 [ 11.370743][ T182] ? find_held_lock+0x2b/0x80 [ 11.370746][ T182] ? __lock_release.isra.0+0x69/0x1a0 [ 11.370749][ T182] ? mark_usage+0x61/0x170 [ 11.370751][ T182] ? __lock_acquire+0x518/0xc20 [ 11.370757][ T182] ? lock_acquire.part.0+0xd4/0x280 [ 11.370759][ T182] ? find_held_lock+0x2b/0x80 [ 11.370761][ T182] ? __rtnl_newlink+0xa50/0xa50 [ 11.370763][ T182] ? __lock_release.isra.0+0x69/0x1a0 [ 11.370768][ T182] ? __rtnl_newlink+0xa50/0xa50 [ 11.370770][ T182] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.370774][ T182] ? rtnl_link_fill+0x900/0x900 [ 11.370776][ T182] ? __lock_acquire+0x518/0xc20 [ 11.370787][ T182] ? lock_acquire.part.0+0xd4/0x280 [ 11.370789][ T182] ? find_held_lock+0x2b/0x80 [ 11.370794][ T182] netlink_rcv_skb+0x14e/0x3a0 [ 11.370797][ T182] ? rtnl_link_fill+0x900/0x900 [ 11.370801][ T182] ? netlink_ack+0xcd0/0xcd0 [ 11.370809][ T182] ? netlink_deliver_tap+0xc5/0x330 [ 11.370811][ T182] ? netlink_deliver_tap+0x13c/0x330 [ 11.370816][ T182] netlink_unicast+0x486/0x750 [ 11.370821][ T182] ? netlink_attachskb+0x810/0x810 [ 11.370823][ T182] ? __lock_acquire+0x518/0xc20 [ 11.370829][ T182] netlink_sendmsg+0x735/0xc60 [ 11.370833][ T182] ? netlink_unicast+0x750/0x750 [ 11.370837][ T182] ? __might_fault+0x97/0x140 [ 11.370841][ T182] ? __might_fault+0x97/0x140 [ 11.370845][ T182] __sys_sendto+0x2aa/0x400 [ 11.370849][ T182] ? __ia32_sys_getpeername+0xd0/0xd0 [ 11.370860][ T182] ? exc_page_fault+0x87/0x100 [ 11.370865][ T182] __x64_sys_sendto+0xe4/0x1f0 [ 11.370867][ T182] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 11.370871][ T182] ? lockdep_hardirqs_on+0x91/0x130 [ 11.370872][ T182] ? do_syscall_64+0xa6/0x530 [ 11.370875][ T182] do_syscall_64+0xff/0x530 [ 11.370877][ T182] ? exc_page_fault+0xee/0x100 [ 11.370879][ T182] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.370882][ T182] RIP: 0033:0x7fdb3cb4754e [ 11.370886][ T182] 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 [ 11.370888][ T182] RSP: 002b:00007ffeae344480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 11.370891][ T182] RAX: ffffffffffffffda RBX: 000055ace0917c40 RCX: 00007fdb3cb4754e [ 11.370893][ T182] RDX: 0000000000000030 RSI: 000055ace0a9a860 RDI: 0000000000000018 [ 11.370894][ T182] RBP: 00007ffeae344490 R08: 00007ffeae3444e0 R09: 0000000000000080 [ 11.370895][ T182] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ace0a9abf0 [ 11.370896][ T182] R13: 00007ffeae3445c4 R14: 0000000000000000 R15: 0000000000000000 [ 11.370904][ T182] [ 11.658305][ T182] netdevsim netdevsim7393 eni7393np1: renamed from eth0 [ 14.516937][ T230] iperf3 (230) used greatest stack depth: 23384 bytes left [ 14.516956][ T230] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.516958][ T230] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 230, name: iperf3 [ 14.516960][ T230] preempt_count: 2, expected: 0 [ 14.516961][ T230] RCU nest depth: 0, expected: 0 [ 14.516962][ T230] locks held by iperf3/230: 5, last CPU#0: [ 14.516964][ T230] #0: ffffffff954027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 14.516976][ T230] #1: ffffffff95599cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.516981][ T230] #2: ffffffff95599d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.516986][ T230] #3: ffffffff95489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.516989][ T230] #4: ffffffff95489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 14.516994][ T230] irq event stamp: 47350 [ 14.516994][ T230] hardirqs last enabled at (47349): [] __down_trylock_console_sem+0x86/0xa0 [ 14.516998][ T230] hardirqs last disabled at (47350): [] console_emit_next_record+0x3f8/0x4f0 [ 14.517000][ T230] softirqs last enabled at (47274): [] fpu__clear_user_states+0x104/0x290 [ 14.517004][ T230] softirqs last disabled at (47272): [] fpu__clear_user_states+0x6d/0x290 [ 14.517007][ T230] Preemption disabled at: [ 14.517008][ T230] [<0000000000000000>] 0x0 [ 14.517014][ T230] CPU: 0 UID: 0 PID: 230 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.517017][ T230] Tainted: [W]=WARN [ 14.517018][ T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.517020][ T230] Call Trace: [ 14.517022][ T230] [ 14.517023][ T230] dump_stack_lvl+0x6f/0xa0 [ 14.517029][ T230] __might_resched.cold+0x1fe/0x2c1 [ 14.517034][ T230] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.517038][ T230] ? __kmalloc_noprof+0xdb/0x760 [ 14.517044][ T230] __kmalloc_noprof+0x443/0x760 [ 14.517046][ T230] ? alloc_buf.isra.0+0x4b/0x260 [ 14.517053][ T230] ? do_raw_spin_unlock+0x59/0x250 [ 14.517056][ T230] alloc_buf.isra.0+0x4b/0x260 [ 14.517059][ T230] put_chars+0x1e1/0x2f0 [ 14.517062][ T230] ? __send_to_port+0x420/0x420 [ 14.517064][ T230] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.517068][ T230] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.517071][ T230] ? validate_chain+0x38b/0xc20 [ 14.517076][ T230] hvc_console_print+0x292/0x780 [ 14.517079][ T230] ? __lock_acquire+0x518/0xc20 [ 14.517084][ T230] ? hvc_write+0x3a0/0x3a0 [ 14.517087][ T230] ? rcu_is_watching+0x16/0xd0 [ 14.517092][ T230] console_emit_next_record+0x252/0x4f0 [ 14.517096][ T230] ? devkmsg_read+0x4e0/0x4e0 [ 14.517100][ T230] ? rcu_is_watching+0x16/0xd0 [ 14.517102][ T230] ? lock_acquire+0x13c/0x160 [ 14.517106][ T230] console_flush_one_record+0x46f/0x710 [ 14.517110][ T230] ? console_emit_next_record+0x4f0/0x4f0 [ 14.517112][ T230] ? __lock_acquire+0x518/0xc20 [ 14.517117][ T230] console_unlock+0xee/0x1f0 [ 14.517120][ T230] ? console_flush_one_record+0x710/0x710 [ 14.517122][ T230] ? rcu_is_watching+0x16/0xd0 [ 14.517124][ T230] ? lock_acquire+0x60/0x160 [ 14.517127][ T230] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.517129][ T230] ? vprintk_emit+0x320/0x3e0 [ 14.517132][ T230] vprintk_emit+0x37c/0x3e0 [ 14.517135][ T230] ? wake_up_klogd_work_func+0x90/0x90 [ 14.517138][ T230] ? __lock_acquire+0x518/0xc20 [ 14.517142][ T230] _printk+0xc7/0x100 [ 14.517145][ T230] ? snapshot_read.cold+0x21/0x21 [ 14.517148][ T230] ? do_raw_spin_lock+0x131/0x280 [ 14.517150][ T230] ? __rwlock_init+0x150/0x150 [ 14.517154][ T230] ? do_raw_spin_lock+0x131/0x280 [ 14.517157][ T230] do_exit.cold+0x82/0x9c [ 14.517161][ T230] ? exit_notify+0x890/0x890 [ 14.517166][ T230] __x64_sys_exit+0x42/0x50 [ 14.517168][ T230] x64_sys_call+0x156c/0x1570 [ 14.517170][ T230] do_syscall_64+0xff/0x530 [ 14.517174][ T230] ? exc_page_fault+0xee/0x100 [ 14.517177][ T230] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.517179][ T230] RIP: 0033:0x7efe6a386c49 [ 14.517181][ T230] Code: Unable to access opcode bytes at 0x7efe6a386c1f. [ 14.517183][ T230] RSP: 002b:00007efe67961e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 14.517185][ T230] RAX: ffffffffffffffda RBX: 00007efe679626c0 RCX: 00007efe6a386c49 [ 14.517186][ T230] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 14.517187][ T230] RBP: 00007efe67961f70 R08: 0000000000000001 R09: 00007efe679626c0 [ 14.517188][ T230] R10: 0000000000000008 R11: 0000000000000246 R12: 00007efe67162000 [ 14.517189][ T230] R13: 00007ffe2a0df5f0 R14: 0000000000000002 R15: 00007ffe2a0df6f7 [ 14.517195][ T230] [ 14.543585][ T243] iperf3 (243) used greatest stack depth: 22760 bytes left [ 16.571771][ T182] (udev-worker) (182) used greatest stack depth: 22696 bytes left [ 16.571790][ T182] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.571792][ T182] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 182, name: (udev-worker) [ 16.571794][ T182] preempt_count: 2, expected: 0 [ 16.571799][ T182] RCU nest depth: 0, expected: 0 [ 16.571800][ T182] locks held by (udev-worker)/182: 5, last CPU#0: [ 16.571802][ T182] #0: ffffffff954027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 16.571815][ T182] #1: ffffffff95599cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.571820][ T182] #2: ffffffff95599d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.571824][ T182] #3: ffffffff95489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.571828][ T182] #4: ffffffff95489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 16.571832][ T182] irq event stamp: 155586 [ 16.571833][ T182] hardirqs last enabled at (155585): [] __down_trylock_console_sem+0x86/0xa0 [ 16.571837][ T182] hardirqs last disabled at (155586): [] console_emit_next_record+0x3f8/0x4f0 [ 16.571839][ T182] softirqs last enabled at (155522): [] netlink_release+0x17b/0xcf0 [ 16.571843][ T182] softirqs last disabled at (155520): [] netlink_release+0xd2/0xcf0 [ 16.571846][ T182] Preemption disabled at: [ 16.571846][ T182] [<0000000000000000>] 0x0 [ 16.571853][ T182] CPU: 0 UID: 0 PID: 182 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.571857][ T182] Tainted: [W]=WARN [ 16.571858][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.571859][ T182] Call Trace: [ 16.571861][ T182] [ 16.571863][ T182] dump_stack_lvl+0x6f/0xa0 [ 16.571869][ T182] __might_resched.cold+0x1fe/0x2c1 [ 16.571874][ T182] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.571878][ T182] ? __kmalloc_noprof+0xdb/0x760 [ 16.571884][ T182] __kmalloc_noprof+0x443/0x760 [ 16.571887][ T182] ? alloc_buf.isra.0+0x4b/0x260 [ 16.571893][ T182] ? do_raw_spin_unlock+0x59/0x250 [ 16.571896][ T182] alloc_buf.isra.0+0x4b/0x260 [ 16.571900][ T182] put_chars+0x1e1/0x2f0 [ 16.571903][ T182] ? __send_to_port+0x420/0x420 [ 16.571905][ T182] ? printk_get_next_message+0x2fe/0x7d0 [ 16.571908][ T182] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.571912][ T182] ? validate_chain+0x38b/0xc20 [ 16.571917][ T182] hvc_console_print+0x292/0x780 [ 16.571920][ T182] ? __lock_acquire+0x518/0xc20 [ 16.571922][ T182] ? __lock_acquire+0x518/0xc20 [ 16.571926][ T182] ? hvc_write+0x3a0/0x3a0 [ 16.571930][ T182] ? rcu_is_watching+0x16/0xd0 [ 16.571932][ T182] ? lock_acquire+0x13c/0x160 [ 16.571936][ T182] console_emit_next_record+0x252/0x4f0 [ 16.571940][ T182] ? devkmsg_read+0x4e0/0x4e0 [ 16.571945][ T182] ? rcu_is_watching+0x16/0xd0 [ 16.571947][ T182] ? lock_acquire+0x13c/0x160 [ 16.571951][ T182] console_flush_one_record+0x46f/0x710 [ 16.571956][ T182] ? console_emit_next_record+0x4f0/0x4f0 [ 16.571958][ T182] ? __lock_acquire+0x518/0xc20 [ 16.571963][ T182] console_unlock+0xee/0x1f0 [ 16.571966][ T182] ? console_flush_one_record+0x710/0x710 [ 16.571968][ T182] ? rcu_is_watching+0x16/0xd0 [ 16.571970][ T182] ? lock_acquire+0x60/0x160 [ 16.571974][ T182] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.571976][ T182] ? vprintk_emit+0x320/0x3e0 [ 16.571978][ T182] vprintk_emit+0x37c/0x3e0 [ 16.571982][ T182] ? wake_up_klogd_work_func+0x90/0x90 [ 16.571985][ T182] ? __lock_acquire+0x518/0xc20 [ 16.571989][ T182] _printk+0xc7/0x100 [ 16.571992][ T182] ? snapshot_read.cold+0x21/0x21 [ 16.571995][ T182] ? do_raw_spin_lock+0x131/0x280 [ 16.571998][ T182] ? __rwlock_init+0x150/0x150 [ 16.572002][ T182] ? do_raw_spin_lock+0x131/0x280 [ 16.572005][ T182] do_exit.cold+0x82/0x9c [ 16.572009][ T182] ? exit_notify+0x890/0x890 [ 16.572010][ T182] ? __lock_release.isra.0+0x69/0x1a0 [ 16.572013][ T182] ? rcu_is_watching+0x16/0xd0 [ 16.572016][ T182] do_group_exit+0xb8/0x370 [ 16.572019][ T182] __x64_sys_exit_group+0x3c/0x50 [ 16.572021][ T182] x64_sys_call+0x1567/0x1570 [ 16.572024][ T182] do_syscall_64+0xff/0x530 [ 16.572027][ T182] ? exc_page_fault+0xee/0x100 [ 16.572030][ T182] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.572033][ T182] RIP: 0033:0x7fdb3cb981b8 [ 16.572035][ T182] Code: Unable to access opcode bytes at 0x7fdb3cb9818e. [ 16.572036][ T182] RSP: 002b:00007ffeae3449d8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 16.572039][ T182] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdb3cb981b8 [ 16.572040][ T182] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 16.572041][ T182] RBP: 00007ffeae344b60 R08: 000055ace0a78a58 R09: 0000000000000000 [ 16.572042][ T182] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 16.572043][ T182] R13: 00007fdb3c3f6050 R14: 00007fdb3d0c9d9e R15: 000055ace09290b0 [ 16.572049][ T182]