[ 10.480677][ T184] netdevsim netdevsim23452 eni23452np1: renamed from eth0 [ 10.480772][ T184] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.480774][ T184] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 184, name: (udev-worker) [ 10.480776][ T184] preempt_count: 1, expected: 0 [ 10.480777][ T184] RCU nest depth: 0, expected: 0 [ 10.480778][ T184] locks held by (udev-worker)/184: 6, last CPU#2: [ 10.480780][ T184] #0: ffffffff90f05fc0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_setlink+0x29d/0x920 [ 10.480792][ T184] #1: ff1100001154ade8 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: do_setlink.isra.0+0x27a/0x2a60 [ 10.480797][ T184] #2: ffffffff90799cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.480802][ T184] #3: ffffffff90799d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.480807][ T184] #4: ffffffff90689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.480810][ T184] #5: ffffffff90689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 10.480815][ T184] irq event stamp: 31374 [ 10.480815][ T184] hardirqs last enabled at (31373): [] __down_trylock_console_sem+0x86/0xa0 [ 10.480819][ T184] hardirqs last disabled at (31374): [] console_emit_next_record+0x3f8/0x4f0 [ 10.480821][ T184] softirqs last enabled at (31368): [] netif_change_name+0x216/0x8c0 [ 10.480825][ T184] softirqs last disabled at (31366): [] netif_change_name+0x1ad/0x8c0 [ 10.480827][ T184] Preemption disabled at: [ 10.480828][ T184] [] vprintk_emit+0x31b/0x3e0 [ 10.480833][ T184] CPU: 2 UID: 0 PID: 184 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.480837][ T184] Tainted: [W]=WARN [ 10.480838][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.480840][ T184] Call Trace: [ 10.480841][ T184] [ 10.480843][ T184] dump_stack_lvl+0x6f/0xa0 [ 10.480849][ T184] ? vprintk_emit+0x31b/0x3e0 [ 10.480851][ T184] __might_resched.cold+0x1fe/0x2c1 [ 10.480856][ T184] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.480860][ T184] ? __kmalloc_noprof+0xdb/0x760 [ 10.480866][ T184] __kmalloc_noprof+0x443/0x760 [ 10.480869][ T184] ? alloc_buf.isra.0+0x4b/0x260 [ 10.480876][ T184] ? do_raw_spin_unlock+0x59/0x250 [ 10.480878][ T184] alloc_buf.isra.0+0x4b/0x260 [ 10.480883][ T184] put_chars+0x1e1/0x2f0 [ 10.480886][ T184] ? __send_to_port+0x420/0x420 [ 10.480890][ T184] ? validate_chain+0x34a/0xc20 [ 10.480896][ T184] hvc_console_print+0x292/0x780 [ 10.480902][ T184] ? __lock_acquire+0x518/0xc20 [ 10.480908][ T184] ? hvc_write+0x3a0/0x3a0 [ 10.480911][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.480917][ T184] console_emit_next_record+0x252/0x4f0 [ 10.480921][ T184] ? devkmsg_read+0x4e0/0x4e0 [ 10.480926][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.480928][ T184] ? lock_acquire+0x13c/0x160 [ 10.480933][ T184] console_flush_one_record+0x46f/0x710 [ 10.480937][ T184] ? console_emit_next_record+0x4f0/0x4f0 [ 10.480939][ T184] ? __lock_acquire+0x518/0xc20 [ 10.480945][ T184] console_unlock+0xee/0x1f0 [ 10.480948][ T184] ? console_flush_one_record+0x710/0x710 [ 10.480950][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.480952][ T184] ? lock_acquire+0x60/0x160 [ 10.480956][ T184] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.480958][ T184] ? vprintk_emit+0x320/0x3e0 [ 10.480961][ T184] vprintk_emit+0x37c/0x3e0 [ 10.480964][ T184] ? wake_up_klogd_work_func+0x90/0x90 [ 10.480966][ T184] ? write_profile+0xf0/0xf0 [ 10.480969][ T184] ? unwind_get_return_address+0x67/0xd0 [ 10.480976][ T184] dev_vprintk_emit+0x27f/0x2c0 [ 10.480981][ T184] ? device_rename.cold+0xa/0xa [ 10.480986][ T184] ? filter_irq_stacks+0xd0/0xd0 [ 10.480992][ T184] dev_printk_emit+0xb9/0xee [ 10.480994][ T184] ? dev_vprintk_emit+0x2c0/0x2c0 [ 10.480998][ T184] ? check_prev_add+0x316/0xe90 [ 10.481004][ T184] __netdev_printk+0x160/0x1d0 [ 10.481010][ T184] netdev_info+0xe2/0x116 [ 10.481012][ T184] ? netdev_notice+0x120/0x120 [ 10.481015][ T184] ? find_held_lock+0x2b/0x80 [ 10.481018][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 10.481021][ T184] ? mark_held_locks+0x40/0x70 [ 10.481025][ T184] ? do_setlink.isra.0+0x1f7d/0x2a60 [ 10.481028][ T184] netif_change_name.cold+0x4f/0x89 [ 10.481031][ T184] ? __lock_acquire+0x518/0xc20 [ 10.481033][ T184] ? mark_lock_irq+0x747/0x9c0 [ 10.481035][ T184] ? find_held_lock+0x2/0x80 [ 10.481038][ T184] ? netdev_adjacent_rename_links+0x470/0x470 [ 10.481040][ T184] ? find_held_lock+0x2b/0x80 [ 10.481043][ T184] ? __asan_memset+0x27/0x50 [ 10.481049][ T184] do_setlink.isra.0+0x1f7d/0x2a60 [ 10.481052][ T184] ? __lock_acquire+0x518/0xc20 [ 10.481055][ T184] ? rtnl_link_get_size+0x350/0x350 [ 10.481057][ T184] ? mark_usage+0x61/0x170 [ 10.481059][ T184] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.481061][ T184] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.481064][ T184] ? validate_chain+0x38b/0xc20 [ 10.481069][ T184] ? __lock_acquire+0x518/0xc20 [ 10.481074][ T184] ? lock_acquire.part.0+0xd4/0x280 [ 10.481076][ T184] ? rtnl_setlink+0x29d/0x920 [ 10.481079][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.481081][ T184] ? lock_acquire+0x13c/0x160 [ 10.481083][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.481084][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.481086][ T184] ? trace_contention_end+0xb3/0x180 [ 10.481088][ T184] ? __mutex_lock+0x1db/0x1ea0 [ 10.481092][ T184] ? __mutex_lock+0x9a3/0x1ea0 [ 10.481094][ T184] ? __lock_acquire+0x518/0xc20 [ 10.481097][ T184] ? rtnl_setlink+0x29d/0x920 [ 10.481099][ T184] ? mark_usage+0x61/0x170 [ 10.481102][ T184] ? ww_mutex_lock+0x160/0x160 [ 10.481105][ T184] ? nla_get_range_signed+0x3d0/0x3d0 [ 10.481110][ T184] ? mark_usage+0x61/0x170 [ 10.481114][ T184] ? cap_capable+0x1d7/0x3d0 [ 10.481122][ T184] rtnl_setlink+0x527/0x920 [ 10.481125][ T184] ? __rtnl_newlink+0xa50/0xa50 [ 10.481127][ T184] ? __lock_acquire+0x518/0xc20 [ 10.481151][ T184] ? lock_acquire.part.0+0xd4/0x280 [ 10.481154][ T184] ? find_held_lock+0x2b/0x80 [ 10.481157][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 10.481159][ T184] ? mark_usage+0x61/0x170 [ 10.481161][ T184] ? __lock_acquire+0x518/0xc20 [ 10.481166][ T184] ? lock_acquire.part.0+0xd4/0x280 [ 10.481168][ T184] ? find_held_lock+0x2b/0x80 [ 10.481170][ T184] ? __rtnl_newlink+0xa50/0xa50 [ 10.481173][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 10.481182][ T184] ? __rtnl_newlink+0xa50/0xa50 [ 10.481185][ T184] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.481189][ T184] ? rtnl_link_fill+0x900/0x900 [ 10.481191][ T184] ? __lock_acquire+0x518/0xc20 [ 10.481195][ T184] ? lock_acquire.part.0+0xd4/0x280 [ 10.481198][ T184] ? find_held_lock+0x2b/0x80 [ 10.481201][ T184] netlink_rcv_skb+0x14e/0x3a0 [ 10.481205][ T184] ? rtnl_link_fill+0x900/0x900 [ 10.481208][ T184] ? netlink_ack+0xcd0/0xcd0 [ 10.481215][ T184] ? netlink_deliver_tap+0xc5/0x330 [ 10.481217][ T184] ? netlink_deliver_tap+0x13c/0x330 [ 10.481222][ T184] netlink_unicast+0x486/0x750 [ 10.481226][ T184] ? netlink_attachskb+0x810/0x810 [ 10.481229][ T184] ? __lock_acquire+0x518/0xc20 [ 10.481234][ T184] netlink_sendmsg+0x735/0xc60 [ 10.481239][ T184] ? netlink_unicast+0x750/0x750 [ 10.481242][ T184] ? __might_fault+0x97/0x140 [ 10.481247][ T184] ? __might_fault+0x97/0x140 [ 10.481251][ T184] __sys_sendto+0x2aa/0x400 [ 10.481254][ T184] ? __ia32_sys_getpeername+0xd0/0xd0 [ 10.481265][ T184] ? exc_page_fault+0x87/0x100 [ 10.481270][ T184] __x64_sys_sendto+0xe4/0x1f0 [ 10.481272][ T184] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.481276][ T184] ? lockdep_hardirqs_on+0x91/0x130 [ 10.481277][ T184] ? do_syscall_64+0xa6/0x530 [ 10.481280][ T184] do_syscall_64+0xff/0x530 [ 10.481282][ T184] ? exc_page_fault+0xee/0x100 [ 10.481284][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.481287][ T184] RIP: 0033:0x7fc1faf3554e [ 10.481291][ T184] 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 [ 10.481292][ T184] RSP: 002b:00007fff561d2e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.481295][ T184] RAX: ffffffffffffffda RBX: 0000561eb7c57dd0 RCX: 00007fc1faf3554e [ 10.481297][ T184] RDX: 0000000000000030 RSI: 0000561eb7acf6d0 RDI: 0000000000000018 [ 10.481298][ T184] RBP: 00007fff561d2e80 R08: 00007fff561d2ed0 R09: 0000000000000080 [ 10.481298][ T184] R10: 0000000000000000 R11: 0000000000000202 R12: 0000561eb7ad0770 [ 10.481299][ T184] R13: 00007fff561d2fb4 R14: 0000000000000000 R15: 0000000000000000 [ 10.481306][ T184] [ 10.749119][ T184] netdevsim netdevsim10321 eni10321np1: renamed from eth0 [ 13.610751][ T217] iperf3 (217) used greatest stack depth: 23600 bytes left [ 13.610771][ T217] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.610774][ T217] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 217, name: iperf3 [ 13.610776][ T217] preempt_count: 2, expected: 0 [ 13.610776][ T217] RCU nest depth: 0, expected: 0 [ 13.610778][ T217] locks held by iperf3/217: 5, last CPU#3: [ 13.610780][ T217] #0: ffffffff906027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 13.610792][ T217] #1: ffffffff90799cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.610798][ T217] #2: ffffffff90799d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.610803][ T217] #3: ffffffff90689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.610807][ T217] #4: ffffffff90689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 13.610811][ T217] irq event stamp: 22292 [ 13.610812][ T217] hardirqs last enabled at (22291): [] __down_trylock_console_sem+0x86/0xa0 [ 13.610815][ T217] hardirqs last disabled at (22292): [] console_emit_next_record+0x3f8/0x4f0 [ 13.610817][ T217] softirqs last enabled at (22122): [] handle_softirqs+0x67c/0x900 [ 13.610820][ T217] softirqs last disabled at (22113): [] __irq_exit_rcu+0x145/0x1c0 [ 13.610823][ T217] Preemption disabled at: [ 13.610823][ T217] [<0000000000000000>] 0x0 [ 13.610831][ T217] CPU: 3 UID: 0 PID: 217 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.610835][ T217] Tainted: [W]=WARN [ 13.610836][ T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.610838][ T217] Call Trace: [ 13.610840][ T217] [ 13.610841][ T217] dump_stack_lvl+0x6f/0xa0 [ 13.610848][ T217] __might_resched.cold+0x1fe/0x2c1 [ 13.610854][ T217] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.610860][ T217] ? __kmalloc_noprof+0xdb/0x760 [ 13.610866][ T217] __kmalloc_noprof+0x443/0x760 [ 13.610869][ T217] ? alloc_buf.isra.0+0x4b/0x260 [ 13.610876][ T217] ? do_raw_spin_unlock+0x59/0x250 [ 13.610879][ T217] alloc_buf.isra.0+0x4b/0x260 [ 13.610883][ T217] put_chars+0x1e1/0x2f0 [ 13.610887][ T217] ? __send_to_port+0x420/0x420 [ 13.610890][ T217] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.610893][ T217] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.610896][ T217] ? validate_chain+0x38b/0xc20 [ 13.610903][ T217] hvc_console_print+0x292/0x780 [ 13.610906][ T217] ? mark_usage+0x61/0x170 [ 13.610908][ T217] ? __lock_acquire+0x518/0xc20 [ 13.610910][ T217] ? __lock_acquire+0x518/0xc20 [ 13.610915][ T217] ? hvc_write+0x3a0/0x3a0 [ 13.610917][ T217] ? lock_acquire.part.0+0xd4/0x280 [ 13.610922][ T217] ? lock_acquire+0x13c/0x160 [ 13.610926][ T217] console_emit_next_record+0x252/0x4f0 [ 13.610931][ T217] ? devkmsg_read+0x4e0/0x4e0 [ 13.610936][ T217] ? rcu_is_watching+0x16/0xd0 [ 13.610939][ T217] ? lock_acquire+0x13c/0x160 [ 13.610943][ T217] console_flush_one_record+0x46f/0x710 [ 13.610948][ T217] ? console_emit_next_record+0x4f0/0x4f0 [ 13.610950][ T217] ? __lock_acquire+0x518/0xc20 [ 13.610956][ T217] console_unlock+0xee/0x1f0 [ 13.610959][ T217] ? console_flush_one_record+0x710/0x710 [ 13.610961][ T217] ? rcu_is_watching+0x16/0xd0 [ 13.610964][ T217] ? lock_acquire+0x60/0x160 [ 13.610968][ T217] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.610970][ T217] ? vprintk_emit+0x320/0x3e0 [ 13.610974][ T217] vprintk_emit+0x37c/0x3e0 [ 13.610978][ T217] ? wake_up_klogd_work_func+0x90/0x90 [ 13.610981][ T217] ? __lock_acquire+0x518/0xc20 [ 13.610985][ T217] _printk+0xc7/0x100 [ 13.610989][ T217] ? snapshot_read.cold+0x21/0x21 [ 13.610992][ T217] ? do_raw_spin_lock+0x131/0x280 [ 13.610995][ T217] ? __rwlock_init+0x150/0x150 [ 13.611000][ T217] ? do_raw_spin_lock+0x131/0x280 [ 13.611003][ T217] do_exit.cold+0x82/0x9c [ 13.611007][ T217] ? exit_notify+0x890/0x890 [ 13.611009][ T217] ? find_held_lock+0x2b/0x80 [ 13.611012][ T217] ? __lock_release.isra.0+0x69/0x1a0 [ 13.611014][ T217] ? __rwlock_init+0x150/0x150 [ 13.611018][ T217] do_group_exit+0xb8/0x370 [ 13.611020][ T217] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 13.611022][ T217] ? lockdep_hardirqs_on+0x91/0x130 [ 13.611026][ T217] ? _raw_spin_unlock_irq+0x28/0x50 [ 13.611028][ T217] ? _raw_spin_unlock_irq+0x33/0x50 [ 13.611030][ T217] get_signal+0x1886/0x1980 [ 13.611033][ T217] ? ____sys_recvmsg+0x710/0x710 [ 13.611040][ T217] ? new_sync_read+0x750/0x750 [ 13.611044][ T217] ? ptrace_signal+0x600/0x600 [ 13.611048][ T217] ? __lock_release.isra.0+0x69/0x1a0 [ 13.611052][ T217] arch_do_signal_or_restart+0xc2/0x3a0 [ 13.611057][ T217] ? __fget_files+0x1e3/0x460 [ 13.611060][ T217] ? get_sigframe_size+0x20/0x20 [ 13.611067][ T217] ? rcu_is_watching+0x16/0xd0 [ 13.611069][ T217] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 13.611073][ T217] exit_to_user_mode_loop+0xd5/0x5a0 [ 13.611076][ T217] ? rcu_is_watching+0x16/0xd0 [ 13.611079][ T217] do_syscall_64+0x3e3/0x530 [ 13.611082][ T217] ? exc_page_fault+0xee/0x100 [ 13.611084][ T217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.611087][ T217] RIP: 0033:0x7f8d7d126312 [ 13.611089][ T217] Code: Unable to access opcode bytes at 0x7f8d7d1262e8. [ 13.611091][ T217] RSP: 002b:00007f8d7c6fcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 13.611093][ T217] RAX: 0000000000014310 RBX: 0000000000020000 RCX: 00007f8d7d126312 [ 13.611095][ T217] RDX: 0000000000020000 RSI: 00007f8d7c8de000 RDI: 0000000000000005 [ 13.611096][ T217] RBP: 00007f8d7c6fcca0 R08: 0000000000000000 R09: 0000000000000000 [ 13.611097][ T217] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8d7c8de000 [ 13.611097][ T217] R13: 0000000000000005 R14: 0000000000020000 R15: 000055918f323aa0 [ 13.611105][ T217] [ 15.478232][ T184] (udev-worker) (184) used greatest stack depth: 22696 bytes left [ 15.478252][ T184] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.478254][ T184] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 184, name: (udev-worker) [ 15.478256][ T184] preempt_count: 2, expected: 0 [ 15.478256][ T184] RCU nest depth: 0, expected: 0 [ 15.478257][ T184] locks held by (udev-worker)/184: 5, last CPU#1: [ 15.478260][ T184] #0: ffffffff906027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 15.478272][ T184] #1: ffffffff90799cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.478277][ T184] #2: ffffffff90799d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.478282][ T184] #3: ffffffff90689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.478285][ T184] #4: ffffffff90689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 15.478290][ T184] irq event stamp: 156298 [ 15.478291][ T184] hardirqs last enabled at (156297): [] __down_trylock_console_sem+0x86/0xa0 [ 15.478294][ T184] hardirqs last disabled at (156298): [] console_emit_next_record+0x3f8/0x4f0 [ 15.478296][ T184] softirqs last enabled at (156234): [] netlink_release+0x17b/0xcf0 [ 15.478301][ T184] softirqs last disabled at (156232): [] netlink_release+0xd2/0xcf0 [ 15.478304][ T184] Preemption disabled at: [ 15.478305][ T184] [<0000000000000000>] 0x0 [ 15.478311][ T184] CPU: 1 UID: 0 PID: 184 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.478315][ T184] Tainted: [W]=WARN [ 15.478316][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.478317][ T184] Call Trace: [ 15.478319][ T184] [ 15.478321][ T184] dump_stack_lvl+0x6f/0xa0 [ 15.478327][ T184] __might_resched.cold+0x1fe/0x2c1 [ 15.478332][ T184] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.478336][ T184] ? __kmalloc_noprof+0xdb/0x760 [ 15.478342][ T184] __kmalloc_noprof+0x443/0x760 [ 15.478344][ T184] ? alloc_buf.isra.0+0x4b/0x260 [ 15.478350][ T184] ? do_raw_spin_unlock+0x59/0x250 [ 15.478353][ T184] alloc_buf.isra.0+0x4b/0x260 [ 15.478357][ T184] put_chars+0x1e1/0x2f0 [ 15.478360][ T184] ? __send_to_port+0x420/0x420 [ 15.478362][ T184] ? printk_get_next_message+0x2fe/0x7d0 [ 15.478365][ T184] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.478369][ T184] ? validate_chain+0x38b/0xc20 [ 15.478374][ T184] hvc_console_print+0x292/0x780 [ 15.478377][ T184] ? __lock_acquire+0x518/0xc20 [ 15.478379][ T184] ? __lock_acquire+0x518/0xc20 [ 15.478383][ T184] ? hvc_write+0x3a0/0x3a0 [ 15.478387][ T184] ? rcu_is_watching+0x16/0xd0 [ 15.478389][ T184] ? lock_acquire+0x13c/0x160 [ 15.478394][ T184] console_emit_next_record+0x252/0x4f0 [ 15.478398][ T184] ? devkmsg_read+0x4e0/0x4e0 [ 15.478402][ T184] ? rcu_is_watching+0x16/0xd0 [ 15.478404][ T184] ? lock_acquire+0x13c/0x160 [ 15.478408][ T184] console_flush_one_record+0x46f/0x710 [ 15.478413][ T184] ? console_emit_next_record+0x4f0/0x4f0 [ 15.478415][ T184] ? __lock_acquire+0x518/0xc20 [ 15.478421][ T184] console_unlock+0xee/0x1f0 [ 15.478424][ T184] ? console_flush_one_record+0x710/0x710 [ 15.478426][ T184] ? rcu_is_watching+0x16/0xd0 [ 15.478427][ T184] ? lock_acquire+0x60/0x160 [ 15.478431][ T184] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.478433][ T184] ? vprintk_emit+0x320/0x3e0 [ 15.478436][ T184] vprintk_emit+0x37c/0x3e0 [ 15.478439][ T184] ? wake_up_klogd_work_func+0x90/0x90 [ 15.478442][ T184] ? __lock_acquire+0x518/0xc20 [ 15.478446][ T184] _printk+0xc7/0x100 [ 15.478450][ T184] ? snapshot_read.cold+0x21/0x21 [ 15.478453][ T184] ? do_raw_spin_lock+0x131/0x280 [ 15.478455][ T184] ? __rwlock_init+0x150/0x150 [ 15.478459][ T184] ? do_raw_spin_lock+0x131/0x280 [ 15.478462][ T184] do_exit.cold+0x82/0x9c [ 15.478466][ T184] ? exit_notify+0x890/0x890 [ 15.478468][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 15.478471][ T184] ? rcu_is_watching+0x16/0xd0 [ 15.478474][ T184] do_group_exit+0xb8/0x370 [ 15.478477][ T184] __x64_sys_exit_group+0x3c/0x50 [ 15.478479][ T184] x64_sys_call+0x1567/0x1570 [ 15.478482][ T184] do_syscall_64+0xff/0x530 [ 15.478485][ T184] ? exc_page_fault+0xee/0x100 [ 15.478488][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.478491][ T184] RIP: 0033:0x7fc1faf861b8 [ 15.478493][ T184] Code: Unable to access opcode bytes at 0x7fc1faf8618e. [ 15.478494][ T184] RSP: 002b:00007fff561d33c8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 15.478497][ T184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc1faf861b8 [ 15.478498][ T184] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 15.478499][ T184] RBP: 00007fff561d3550 R08: 0000561eb7c5b6d8 R09: 0000000000000000 [ 15.478500][ T184] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 15.478501][ T184] R13: 00007fc1fa7e4050 R14: 00007fc1fb4b7d9e R15: 0000561eb7ada4a0 [ 15.478508][ T184]