[ 72.465918][ T2232] grep (2232) used greatest stack depth: 23712 bytes left [ 72.465934][ T2232] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 72.465936][ T2232] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2232, name: grep [ 72.465937][ T2232] preempt_count: 2, expected: 0 [ 72.465938][ T2232] RCU nest depth: 0, expected: 0 [ 72.465939][ T2232] locks held by grep/2232: 5, last CPU#2: [ 72.465941][ T2232] #0: ffffffff92a267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 72.465955][ T2232] #1: ffffffff92b8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 72.465960][ T2232] #2: ffffffff92b8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 72.465964][ T2232] #3: ffffffff92aad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 72.465968][ T2232] #4: ffffffff92aad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 72.465972][ T2232] irq event stamp: 15224 [ 72.465973][ T2232] hardirqs last enabled at (15223): [] __down_trylock_console_sem+0x86/0xa0 [ 72.465976][ T2232] hardirqs last disabled at (15224): [] console_emit_next_record+0x3d4/0x4c0 [ 72.465977][ T2232] softirqs last enabled at (14934): [] handle_softirqs+0x67c/0x900 [ 72.465979][ T2232] softirqs last disabled at (14929): [] __irq_exit_rcu+0x145/0x1c0 [ 72.465982][ T2232] Preemption disabled at: [ 72.465982][ T2232] [<0000000000000000>] 0x0 [ 72.465988][ T2232] CPU: 2 UID: 0 PID: 2232 Comm: grep Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 72.465992][ T2232] Tainted: [W]=WARN [ 72.465993][ T2232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 72.465995][ T2232] Call Trace: [ 72.465996][ T2232] [ 72.465998][ T2232] dump_stack_lvl+0x6f/0xa0 [ 72.466004][ T2232] __might_resched.cold+0x1fe/0x2c1 [ 72.466009][ T2232] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 72.466013][ T2232] ? __kmalloc_noprof+0xdb/0x760 [ 72.466018][ T2232] __kmalloc_noprof+0x443/0x760 [ 72.466020][ T2232] ? alloc_buf.isra.0+0x4b/0x260 [ 72.466026][ T2232] ? do_raw_spin_unlock+0x59/0x250 [ 72.466029][ T2232] alloc_buf.isra.0+0x4b/0x260 [ 72.466032][ T2232] put_chars+0x1e1/0x2f0 [ 72.466036][ T2232] ? __send_to_port+0x420/0x420 [ 72.466038][ T2232] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 72.466042][ T2232] ? validate_chain+0x38b/0xc20 [ 72.466048][ T2232] hvc_console_print+0x292/0x780 [ 72.466055][ T2232] ? hvc_write+0x3a0/0x3a0 [ 72.466058][ T2232] ? rcu_is_watching+0x16/0xd0 [ 72.466060][ T2232] ? lock_acquire+0x13c/0x160 [ 72.466064][ T2232] console_emit_next_record+0x22f/0x4c0 [ 72.466068][ T2232] ? devkmsg_read+0x4b0/0x4b0 [ 72.466069][ T2232] ? console_flush_one_record+0x106/0x710 [ 72.466072][ T2232] ? rcu_is_watching+0x16/0xd0 [ 72.466074][ T2232] ? lock_acquire+0x13c/0x160 [ 72.466078][ T2232] console_flush_one_record+0x46f/0x710 [ 72.466082][ T2232] ? console_emit_next_record+0x4c0/0x4c0 [ 72.466084][ T2232] ? __lock_acquire+0x518/0xc20 [ 72.466089][ T2232] console_unlock+0xee/0x1f0 [ 72.466092][ T2232] ? console_flush_one_record+0x710/0x710 [ 72.466093][ T2232] ? rcu_is_watching+0x16/0xd0 [ 72.466096][ T2232] ? lock_acquire+0x60/0x160 [ 72.466099][ T2232] ? __down_trylock_console_sem+0x5e/0xa0 [ 72.466101][ T2232] ? vprintk_emit+0x320/0x3e0 [ 72.466104][ T2232] vprintk_emit+0x37c/0x3e0 [ 72.466108][ T2232] ? wake_up_klogd_work_func+0x90/0x90 [ 72.466111][ T2232] ? __lock_acquire+0x518/0xc20 [ 72.466115][ T2232] _printk+0xc7/0x100 [ 72.466118][ T2232] ? snapshot_read.cold+0x21/0x21 [ 72.466121][ T2232] ? do_raw_spin_lock+0x131/0x280 [ 72.466123][ T2232] ? __rwlock_init+0x150/0x150 [ 72.466127][ T2232] ? do_raw_spin_lock+0x131/0x280 [ 72.466130][ T2232] do_exit.cold+0x82/0x9c [ 72.466134][ T2232] ? exit_notify+0x890/0x890 [ 72.466135][ T2232] ? __lock_release.isra.0+0x69/0x1a0 [ 72.466138][ T2232] ? rcu_is_watching+0x16/0xd0 [ 72.466142][ T2232] do_group_exit+0xb8/0x370 [ 72.466145][ T2232] __x64_sys_exit_group+0x3c/0x50 [ 72.466148][ T2232] x64_sys_call+0x1567/0x1570 [ 72.466150][ T2232] do_syscall_64+0xff/0x530 [ 72.466153][ T2232] ? exc_page_fault+0xee/0x100 [ 72.466157][ T2232] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 72.466159][ T2232] RIP: 0033:0x7fbeb9ac51b8 [ 72.466161][ T2232] Code: Unable to access opcode bytes at 0x7fbeb9ac518e. [ 72.466162][ T2232] RSP: 002b:00007fff589053e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 72.466165][ T2232] RAX: ffffffffffffffda RBX: 00007fbeb9bf5f88 RCX: 00007fbeb9ac51b8 [ 72.466166][ T2232] RDX: 00007fbeb9a03e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 72.466167][ T2232] RBP: 00007fff58905440 R08: 0000000000000000 R09: 0000000000001010 [ 72.466168][ T2232] R10: 00007fff58905280 R11: 0000000000000246 R12: 0000000000000002 [ 72.466169][ T2232] R13: 0000000000000000 R14: 00007fbeb9bf4680 R15: 00007fbeb9bf5fa0 [ 72.466176][ T2232] [ 167.479392][ T5081] sysctl (5081) used greatest stack depth: 23680 bytes left [ 167.479408][ T5081] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 167.479410][ T5081] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 5081, name: sysctl [ 167.479412][ T5081] preempt_count: 2, expected: 0 [ 167.479413][ T5081] RCU nest depth: 0, expected: 0 [ 167.479414][ T5081] locks held by sysctl/5081: 5, last CPU#0: [ 167.479416][ T5081] #0: ffffffff92a267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 167.479435][ T5081] #1: ffffffff92b8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 167.479441][ T5081] #2: ffffffff92b8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 167.479445][ T5081] #3: ffffffff92aad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 167.479448][ T5081] #4: ffffffff92aad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 167.479454][ T5081] irq event stamp: 32062 [ 167.479455][ T5081] hardirqs last enabled at (32061): [] __down_trylock_console_sem+0x86/0xa0 [ 167.479457][ T5081] hardirqs last disabled at (32062): [] console_emit_next_record+0x3d4/0x4c0 [ 167.479459][ T5081] softirqs last enabled at (27280): [] netlink_release+0x17b/0xcf0 [ 167.479463][ T5081] softirqs last disabled at (27278): [] netlink_release+0xd2/0xcf0 [ 167.479466][ T5081] Preemption disabled at: [ 167.479467][ T5081] [<0000000000000000>] 0x0 [ 167.479473][ T5081] CPU: 0 UID: 0 PID: 5081 Comm: sysctl Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 167.479477][ T5081] Tainted: [W]=WARN [ 167.479478][ T5081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 167.479479][ T5081] Call Trace: [ 167.479481][ T5081] [ 167.479482][ T5081] dump_stack_lvl+0x6f/0xa0 [ 167.479488][ T5081] __might_resched.cold+0x1fe/0x2c1 [ 167.479492][ T5081] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 167.479496][ T5081] ? __kmalloc_noprof+0xdb/0x760 [ 167.479501][ T5081] __kmalloc_noprof+0x443/0x760 [ 167.479503][ T5081] ? alloc_buf.isra.0+0x4b/0x260 [ 167.479509][ T5081] ? do_raw_spin_unlock+0x59/0x250 [ 167.479512][ T5081] alloc_buf.isra.0+0x4b/0x260 [ 167.479515][ T5081] put_chars+0x1e1/0x2f0 [ 167.479519][ T5081] ? __send_to_port+0x420/0x420 [ 167.479520][ T5081] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 167.479525][ T5081] ? validate_chain+0x38b/0xc20 [ 167.479530][ T5081] hvc_console_print+0x292/0x780 [ 167.479537][ T5081] ? hvc_write+0x3a0/0x3a0 [ 167.479540][ T5081] ? rcu_is_watching+0x16/0xd0 [ 167.479542][ T5081] ? lock_acquire+0x13c/0x160 [ 167.479546][ T5081] console_emit_next_record+0x22f/0x4c0 [ 167.479550][ T5081] ? devkmsg_read+0x4b0/0x4b0 [ 167.479551][ T5081] ? console_flush_one_record+0x106/0x710 [ 167.479556][ T5081] ? rcu_is_watching+0x16/0xd0 [ 167.479559][ T5081] ? lock_acquire+0x13c/0x160 [ 167.479564][ T5081] console_flush_one_record+0x46f/0x710 [ 167.479568][ T5081] ? console_emit_next_record+0x4c0/0x4c0 [ 167.479569][ T5081] ? __lock_acquire+0x518/0xc20 [ 167.479574][ T5081] console_unlock+0xee/0x1f0 [ 167.479577][ T5081] ? console_flush_one_record+0x710/0x710 [ 167.479579][ T5081] ? rcu_is_watching+0x16/0xd0 [ 167.479581][ T5081] ? lock_acquire+0x60/0x160 [ 167.479584][ T5081] ? __down_trylock_console_sem+0x5e/0xa0 [ 167.479586][ T5081] ? vprintk_emit+0x320/0x3e0 [ 167.479589][ T5081] vprintk_emit+0x37c/0x3e0 [ 167.479592][ T5081] ? wake_up_klogd_work_func+0x90/0x90 [ 167.479596][ T5081] ? __lock_acquire+0x518/0xc20 [ 167.479599][ T5081] _printk+0xc7/0x100 [ 167.479603][ T5081] ? snapshot_read.cold+0x21/0x21 [ 167.479605][ T5081] ? do_raw_spin_lock+0x131/0x280 [ 167.479608][ T5081] ? __rwlock_init+0x150/0x150 [ 167.479611][ T5081] ? do_raw_spin_lock+0x131/0x280 [ 167.479614][ T5081] do_exit.cold+0x82/0x9c [ 167.479618][ T5081] ? exit_notify+0x890/0x890 [ 167.479620][ T5081] ? __lock_release.isra.0+0x69/0x1a0 [ 167.479622][ T5081] ? rcu_is_watching+0x16/0xd0 [ 167.479626][ T5081] do_group_exit+0xb8/0x370 [ 167.479630][ T5081] __x64_sys_exit_group+0x3c/0x50 [ 167.479632][ T5081] x64_sys_call+0x1567/0x1570 [ 167.479634][ T5081] do_syscall_64+0xff/0x530 [ 167.479637][ T5081] ? exc_page_fault+0xee/0x100 [ 167.479640][ T5081] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 167.479643][ T5081] RIP: 0033:0x7f6b77e0d1b8 [ 167.479645][ T5081] Code: Unable to access opcode bytes at 0x7f6b77e0d18e. [ 167.479646][ T5081] RSP: 002b:00007ffc549fcd68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 167.479648][ T5081] RAX: ffffffffffffffda RBX: 00007f6b77f3df88 RCX: 00007f6b77e0d1b8 [ 167.479650][ T5081] RDX: 00007f6b77d4aa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 167.479650][ T5081] RBP: 00007ffc549fcdc0 R08: 0000000000000000 R09: 0000000000001010 [ 167.479651][ T5081] R10: 00007ffc549fcc00 R11: 0000000000000246 R12: 0000000000000002 [ 167.479652][ T5081] R13: 0000000000000000 R14: 00007f6b77f3c680 R15: 00007f6b77f3dfa0 [ 167.479659][ T5081] [ 368.768168][ T7650] ip (7650) used greatest stack depth: 23408 bytes left [ 368.768184][ T7650] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 368.768187][ T7650] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 7650, name: ip [ 368.768188][ T7650] preempt_count: 2, expected: 0 [ 368.768189][ T7650] RCU nest depth: 0, expected: 0 [ 368.768190][ T7650] locks held by ip/7650: 5, last CPU#2: [ 368.768192][ T7650] #0: ffffffff92a267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 368.768206][ T7650] #1: ffffffff92b8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 368.768212][ T7650] #2: ffffffff92b8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 368.768216][ T7650] #3: ffffffff92aad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 368.768219][ T7650] #4: ffffffff92aad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 368.768223][ T7650] irq event stamp: 36152 [ 368.768224][ T7650] hardirqs last enabled at (36151): [] __down_trylock_console_sem+0x86/0xa0 [ 368.768226][ T7650] hardirqs last disabled at (36152): [] console_emit_next_record+0x3d4/0x4c0 [ 368.768228][ T7650] softirqs last enabled at (35136): [] handle_softirqs+0x67c/0x900 [ 368.768230][ T7650] softirqs last disabled at (35129): [] __irq_exit_rcu+0x145/0x1c0 [ 368.768232][ T7650] Preemption disabled at: [ 368.768233][ T7650] [<0000000000000000>] 0x0 [ 368.768240][ T7650] CPU: 2 UID: 0 PID: 7650 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 368.768243][ T7650] Tainted: [W]=WARN [ 368.768244][ T7650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 368.768246][ T7650] Call Trace: [ 368.768248][ T7650] [ 368.768250][ T7650] dump_stack_lvl+0x6f/0xa0 [ 368.768256][ T7650] __might_resched.cold+0x1fe/0x2c1 [ 368.768261][ T7650] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 368.768265][ T7650] ? __kmalloc_noprof+0xdb/0x760 [ 368.768270][ T7650] __kmalloc_noprof+0x443/0x760 [ 368.768272][ T7650] ? alloc_buf.isra.0+0x4b/0x260 [ 368.768278][ T7650] ? do_raw_spin_unlock+0x59/0x250 [ 368.768281][ T7650] alloc_buf.isra.0+0x4b/0x260 [ 368.768285][ T7650] put_chars+0x1e1/0x2f0 [ 368.768288][ T7650] ? __send_to_port+0x420/0x420 [ 368.768290][ T7650] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 368.768295][ T7650] ? validate_chain+0x38b/0xc20 [ 368.768300][ T7650] hvc_console_print+0x292/0x780 [ 368.768307][ T7650] ? hvc_write+0x3a0/0x3a0 [ 368.768317][ T7650] ? rcu_is_watching+0x16/0xd0 [ 368.768320][ T7650] ? lock_acquire+0x13c/0x160 [ 368.768324][ T7650] console_emit_next_record+0x22f/0x4c0 [ 368.768328][ T7650] ? devkmsg_read+0x4b0/0x4b0 [ 368.768329][ T7650] ? console_flush_one_record+0x106/0x710 [ 368.768333][ T7650] ? rcu_is_watching+0x16/0xd0 [ 368.768335][ T7650] ? lock_acquire+0x13c/0x160 [ 368.768339][ T7650] console_flush_one_record+0x46f/0x710 [ 368.768343][ T7650] ? console_emit_next_record+0x4c0/0x4c0 [ 368.768345][ T7650] ? __lock_acquire+0x518/0xc20 [ 368.768350][ T7650] console_unlock+0xee/0x1f0 [ 368.768353][ T7650] ? console_flush_one_record+0x710/0x710 [ 368.768355][ T7650] ? rcu_is_watching+0x16/0xd0 [ 368.768357][ T7650] ? lock_acquire+0x60/0x160 [ 368.768360][ T7650] ? __down_trylock_console_sem+0x5e/0xa0 [ 368.768362][ T7650] ? vprintk_emit+0x320/0x3e0 [ 368.768365][ T7650] vprintk_emit+0x37c/0x3e0 [ 368.768369][ T7650] ? wake_up_klogd_work_func+0x90/0x90 [ 368.768372][ T7650] ? __lock_acquire+0x518/0xc20 [ 368.768376][ T7650] _printk+0xc7/0x100 [ 368.768380][ T7650] ? snapshot_read.cold+0x21/0x21 [ 368.768383][ T7650] ? do_raw_spin_lock+0x131/0x280 [ 368.768385][ T7650] ? __rwlock_init+0x150/0x150 [ 368.768389][ T7650] ? do_raw_spin_lock+0x131/0x280 [ 368.768391][ T7650] do_exit.cold+0x82/0x9c [ 368.768395][ T7650] ? exit_notify+0x890/0x890 [ 368.768397][ T7650] ? __lock_release.isra.0+0x69/0x1a0 [ 368.768400][ T7650] ? rcu_is_watching+0x16/0xd0 [ 368.768404][ T7650] do_group_exit+0xb8/0x370 [ 368.768408][ T7650] __x64_sys_exit_group+0x3c/0x50 [ 368.768410][ T7650] x64_sys_call+0x1567/0x1570 [ 368.768412][ T7650] do_syscall_64+0xff/0x530 [ 368.768416][ T7650] ? exc_page_fault+0xee/0x100 [ 368.768419][ T7650] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 368.768422][ T7650] RIP: 0033:0x7fcf852641b8 [ 368.768424][ T7650] Code: Unable to access opcode bytes at 0x7fcf8526418e. [ 368.768425][ T7650] RSP: 002b:00007fffc1c21db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 368.768428][ T7650] RAX: ffffffffffffffda RBX: 00007fcf85394f88 RCX: 00007fcf852641b8 [ 368.768429][ T7650] RDX: 00007fcf84faefc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 368.768430][ T7650] RBP: 00007fffc1c21e10 R08: 0000000000000000 R09: 0000000000000000 [ 368.768431][ T7650] R10: 00007fffc1c21bd0 R11: 0000000000000246 R12: 0000000000000001 [ 368.768432][ T7650] R13: 0000000000000000 R14: 00007fcf85393680 R15: 00007fcf85394fa0 [ 368.768439][ T7650] [ 1087.658375][T27727] pm_nl_ctl (27727) used greatest stack depth: 22080 bytes left [ 1087.658393][T27727] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 1087.658395][T27727] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 27727, name: pm_nl_ctl [ 1087.658396][T27727] preempt_count: 2, expected: 0 [ 1087.658397][T27727] RCU nest depth: 0, expected: 0 [ 1087.658398][T27727] locks held by pm_nl_ctl/27727: 5, last CPU#0: [ 1087.658400][T27727] #0: ffffffff92a267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 1087.658414][T27727] #1: ffffffff92b8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 1087.658420][T27727] #2: ffffffff92b8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 1087.658424][T27727] #3: ffffffff92aad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 1087.658428][T27727] #4: ffffffff92aad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 1087.658432][T27727] irq event stamp: 39836 [ 1087.658433][T27727] hardirqs last enabled at (39835): [] __down_trylock_console_sem+0x86/0xa0 [ 1087.658435][T27727] hardirqs last disabled at (39836): [] console_emit_next_record+0x3d4/0x4c0 [ 1087.658437][T27727] softirqs last enabled at (39480): [] handle_softirqs+0x67c/0x900 [ 1087.658439][T27727] softirqs last disabled at (38561): [] __irq_exit_rcu+0x145/0x1c0 [ 1087.658441][T27727] Preemption disabled at: [ 1087.658442][T27727] [<0000000000000000>] 0x0 [ 1087.658448][T27727] CPU: 0 UID: 0 PID: 27727 Comm: pm_nl_ctl Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 1087.658455][T27727] Tainted: [W]=WARN [ 1087.658456][T27727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1087.658457][T27727] Call Trace: [ 1087.658459][T27727] [ 1087.658460][T27727] dump_stack_lvl+0x6f/0xa0 [ 1087.658467][T27727] __might_resched.cold+0x1fe/0x2c1 [ 1087.658472][T27727] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 1087.658475][T27727] ? __kmalloc_noprof+0xdb/0x760 [ 1087.658480][T27727] __kmalloc_noprof+0x443/0x760 [ 1087.658483][T27727] ? alloc_buf.isra.0+0x4b/0x260 [ 1087.658489][T27727] ? do_raw_spin_unlock+0x59/0x250 [ 1087.658492][T27727] alloc_buf.isra.0+0x4b/0x260 [ 1087.658496][T27727] put_chars+0x1e1/0x2f0 [ 1087.658499][T27727] ? __send_to_port+0x420/0x420 [ 1087.658501][T27727] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 1087.658506][T27727] ? validate_chain+0x38b/0xc20 [ 1087.658512][T27727] hvc_console_print+0x292/0x780 [ 1087.658519][T27727] ? hvc_write+0x3a0/0x3a0 [ 1087.658522][T27727] ? rcu_is_watching+0x16/0xd0 [ 1087.658524][T27727] ? lock_acquire+0x13c/0x160 [ 1087.658528][T27727] console_emit_next_record+0x22f/0x4c0 [ 1087.658532][T27727] ? devkmsg_read+0x4b0/0x4b0 [ 1087.658533][T27727] ? console_flush_one_record+0x106/0x710 [ 1087.658537][T27727] ? rcu_is_watching+0x16/0xd0 [ 1087.658539][T27727] ? lock_acquire+0x13c/0x160 [ 1087.658543][T27727] console_flush_one_record+0x46f/0x710 [ 1087.658547][T27727] ? console_emit_next_record+0x4c0/0x4c0 [ 1087.658549][T27727] ? __lock_acquire+0x518/0xc20 [ 1087.658554][T27727] console_unlock+0xee/0x1f0 [ 1087.658557][T27727] ? console_flush_one_record+0x710/0x710 [ 1087.658558][T27727] ? rcu_is_watching+0x16/0xd0 [ 1087.658561][T27727] ? lock_acquire+0x60/0x160 [ 1087.658564][T27727] ? __down_trylock_console_sem+0x5e/0xa0 [ 1087.658566][T27727] ? vprintk_emit+0x320/0x3e0 [ 1087.658569][T27727] vprintk_emit+0x37c/0x3e0 [ 1087.658573][T27727] ? wake_up_klogd_work_func+0x90/0x90 [ 1087.658576][T27727] ? __lock_acquire+0x518/0xc20 [ 1087.658580][T27727] _printk+0xc7/0x100 [ 1087.658584][T27727] ? snapshot_read.cold+0x21/0x21 [ 1087.658587][T27727] ? do_raw_spin_lock+0x131/0x280 [ 1087.658589][T27727] ? __rwlock_init+0x150/0x150 [ 1087.658593][T27727] ? do_raw_spin_lock+0x131/0x280 [ 1087.658595][T27727] do_exit.cold+0x82/0x9c [ 1087.658599][T27727] ? exit_notify+0x890/0x890 [ 1087.658601][T27727] ? __lock_release.isra.0+0x69/0x1a0 [ 1087.658604][T27727] ? rcu_is_watching+0x16/0xd0 [ 1087.658608][T27727] do_group_exit+0xb8/0x370 [ 1087.658612][T27727] __x64_sys_exit_group+0x3c/0x50 [ 1087.658614][T27727] x64_sys_call+0x1567/0x1570 [ 1087.658616][T27727] do_syscall_64+0xff/0x530 [ 1087.658620][T27727] ? exc_page_fault+0xee/0x100 [ 1087.658623][T27727] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1087.658625][T27727] RIP: 0033:0x7f83685281b8 [ 1087.658628][T27727] Code: Unable to access opcode bytes at 0x7f836852818e. [ 1087.658629][T27727] RSP: 002b:00007ffc458d3528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 1087.658632][T27727] RAX: ffffffffffffffda RBX: 00007f8368658f88 RCX: 00007f83685281b8 [ 1087.658633][T27727] RDX: 00007f8368465a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 1087.658634][T27727] RBP: 00007ffc458d3580 R08: 0000000000000000 R09: 0000000000000000 [ 1087.658635][T27727] R10: 00007ffc458d33c0 R11: 0000000000000246 R12: 0000000000000001 [ 1087.658636][T27727] R13: 0000000000000000 R14: 00007f8368657680 R15: 00007f8368658fa0 [ 1087.658647][T27727]