[ 8.612409][ T177] ip (177) used greatest stack depth: 24432 bytes left [ 8.612424][ T177] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.612426][ T177] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 177, name: ip [ 8.612428][ T177] preempt_count: 2, expected: 0 [ 8.612428][ T177] RCU nest depth: 0, expected: 0 [ 8.612429][ T177] locks held by ip/177: 5, last CPU#2: [ 8.612432][ T177] #0: ffffffff958127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 8.612443][ T177] #1: ffffffff95979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.612449][ T177] #2: ffffffff95979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.612452][ T177] #3: ffffffff95899660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.612456][ T177] #4: ffffffff95899560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 8.612459][ T177] irq event stamp: 21762 [ 8.612460][ T177] hardirqs last enabled at (21761): [] __down_trylock_console_sem+0x86/0xa0 [ 8.612463][ T177] hardirqs last disabled at (21762): [] console_emit_next_record+0x3d4/0x4c0 [ 8.612465][ T177] softirqs last enabled at (20764): [] handle_softirqs+0x67c/0x900 [ 8.612467][ T177] softirqs last disabled at (20755): [] __irq_exit_rcu+0x145/0x1c0 [ 8.612469][ T177] Preemption disabled at: [ 8.612469][ T177] [<0000000000000000>] 0x0 [ 8.612476][ T177] CPU: 2 UID: 0 PID: 177 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.612479][ T177] Tainted: [W]=WARN [ 8.612480][ T177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.612481][ T177] Call Trace: [ 8.612483][ T177] [ 8.612484][ T177] dump_stack_lvl+0x6f/0xa0 [ 8.612490][ T177] __might_resched.cold+0x1fe/0x2c1 [ 8.612495][ T177] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.612499][ T177] ? __kmalloc_noprof+0xdb/0x760 [ 8.612503][ T177] __kmalloc_noprof+0x443/0x760 [ 8.612506][ T177] ? alloc_buf.isra.0+0x4b/0x260 [ 8.612511][ T177] ? do_raw_spin_unlock+0x59/0x250 [ 8.612514][ T177] alloc_buf.isra.0+0x4b/0x260 [ 8.612517][ T177] put_chars+0x1e1/0x2f0 [ 8.612520][ T177] ? __send_to_port+0x420/0x420 [ 8.612522][ T177] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 8.612527][ T177] ? validate_chain+0x38b/0xc20 [ 8.612532][ T177] hvc_console_print+0x292/0x780 [ 8.612538][ T177] ? hvc_write+0x3a0/0x3a0 [ 8.612540][ T177] ? rcu_is_watching+0x16/0xd0 [ 8.612543][ T177] ? lock_acquire+0x13c/0x160 [ 8.612547][ T177] console_emit_next_record+0x22f/0x4c0 [ 8.612550][ T177] ? devkmsg_read+0x4b0/0x4b0 [ 8.612552][ T177] ? console_flush_one_record+0x106/0x710 [ 8.612555][ T177] ? rcu_is_watching+0x16/0xd0 [ 8.612557][ T177] ? lock_acquire+0x13c/0x160 [ 8.612561][ T177] console_flush_one_record+0x46f/0x710 [ 8.612565][ T177] ? console_emit_next_record+0x4c0/0x4c0 [ 8.612567][ T177] ? __lock_acquire+0x518/0xc20 [ 8.612572][ T177] console_unlock+0xee/0x1f0 [ 8.612574][ T177] ? console_flush_one_record+0x710/0x710 [ 8.612576][ T177] ? rcu_is_watching+0x16/0xd0 [ 8.612578][ T177] ? lock_acquire+0x60/0x160 [ 8.612582][ T177] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.612583][ T177] ? vprintk_emit+0x320/0x3e0 [ 8.612587][ T177] vprintk_emit+0x37c/0x3e0 [ 8.612590][ T177] ? wake_up_klogd_work_func+0x90/0x90 [ 8.612594][ T177] ? __lock_acquire+0x518/0xc20 [ 8.612597][ T177] _printk+0xc7/0x100 [ 8.612601][ T177] ? snapshot_read.cold+0x21/0x21 [ 8.612603][ T177] ? do_raw_spin_lock+0x131/0x280 [ 8.612606][ T177] ? __rwlock_init+0x150/0x150 [ 8.612609][ T177] ? do_raw_spin_lock+0x131/0x280 [ 8.612612][ T177] do_exit.cold+0x82/0x9c [ 8.612616][ T177] ? exit_notify+0x890/0x890 [ 8.612617][ T177] ? __lock_release.isra.0+0x69/0x1a0 [ 8.612620][ T177] ? rcu_is_watching+0x16/0xd0 [ 8.612623][ T177] do_group_exit+0xb8/0x370 [ 8.612626][ T177] __x64_sys_exit_group+0x3c/0x50 [ 8.612628][ T177] x64_sys_call+0x1567/0x1570 [ 8.612630][ T177] do_syscall_64+0xff/0x530 [ 8.612634][ T177] ? exc_page_fault+0xee/0x100 [ 8.612637][ T177] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.612639][ T177] RIP: 0033:0x7f84fda391b8 [ 8.612641][ T177] Code: Unable to access opcode bytes at 0x7f84fda3918e. [ 8.612642][ T177] RSP: 002b:00007ffe22adb638 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.612645][ T177] RAX: ffffffffffffffda RBX: 00007f84fdb69f88 RCX: 00007f84fda391b8 [ 8.612646][ T177] RDX: 00007f84fd783fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.612647][ T177] RBP: 00007ffe22adb690 R08: 0000000000000000 R09: 0000000000000050 [ 8.612648][ T177] R10: 00007ffe22adb450 R11: 0000000000000246 R12: 0000000000000001 [ 8.612649][ T177] R13: 0000000000000000 R14: 00007f84fdb68680 R15: 00007f84fdb69fa0 [ 8.612655][ T177] [ 8.744586][ T180] PPP generic driver version 2.4.2 [ 12.073255][ T192] PPP BSD Compression module registered [ 12.073270][ T192] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.073272][ T192] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 192, name: modprobe [ 12.073274][ T192] preempt_count: 1, expected: 0 [ 12.073275][ T192] RCU nest depth: 0, expected: 0 [ 12.073276][ T192] locks held by modprobe/192: 4, last CPU#0: [ 12.073278][ T192] #0: ffffffff95979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.073290][ T192] #1: ffffffff95979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.073294][ T192] #2: ffffffff95899660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.073299][ T192] #3: ffffffff95899560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.073303][ T192] irq event stamp: 18130 [ 12.073304][ T192] hardirqs last enabled at (18129): [] __down_trylock_console_sem+0x86/0xa0 [ 12.073306][ T192] hardirqs last disabled at (18130): [] console_emit_next_record+0x3d4/0x4c0 [ 12.073308][ T192] softirqs last enabled at (16110): [] handle_softirqs+0x67c/0x900 [ 12.073311][ T192] softirqs last disabled at (16105): [] __irq_exit_rcu+0x145/0x1c0 [ 12.073314][ T192] Preemption disabled at: [ 12.073314][ T192] [] vprintk_emit+0x31b/0x3e0 [ 12.073319][ T192] CPU: 0 UID: 0 PID: 192 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.073323][ T192] Tainted: [W]=WARN [ 12.073324][ T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.073325][ T192] Call Trace: [ 12.073327][ T192] [ 12.073328][ T192] dump_stack_lvl+0x6f/0xa0 [ 12.073334][ T192] ? vprintk_emit+0x31b/0x3e0 [ 12.073336][ T192] __might_resched.cold+0x1fe/0x2c1 [ 12.073340][ T192] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.073344][ T192] ? __kmalloc_noprof+0xdb/0x760 [ 12.073349][ T192] __kmalloc_noprof+0x443/0x760 [ 12.073351][ T192] ? alloc_buf.isra.0+0x4b/0x260 [ 12.073357][ T192] ? do_raw_spin_unlock+0x59/0x250 [ 12.073359][ T192] alloc_buf.isra.0+0x4b/0x260 [ 12.073363][ T192] put_chars+0x1e1/0x2f0 [ 12.073366][ T192] ? __send_to_port+0x420/0x420 [ 12.073367][ T192] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.073372][ T192] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.073374][ T192] ? validate_chain+0x38b/0xc20 [ 12.073379][ T192] hvc_console_print+0x292/0x780 [ 12.073381][ T192] ? __lock_acquire+0x518/0xc20 [ 12.073386][ T192] ? hvc_write+0x3a0/0x3a0 [ 12.073389][ T192] ? rcu_is_watching+0x16/0xd0 [ 12.073394][ T192] console_emit_next_record+0x22f/0x4c0 [ 12.073398][ T192] ? devkmsg_read+0x4b0/0x4b0 [ 12.073399][ T192] ? console_flush_one_record+0x106/0x710 [ 12.073402][ T192] ? rcu_is_watching+0x16/0xd0 [ 12.073405][ T192] ? lock_acquire+0x13c/0x160 [ 12.073408][ T192] console_flush_one_record+0x46f/0x710 [ 12.073412][ T192] ? console_emit_next_record+0x4c0/0x4c0 [ 12.073414][ T192] ? __lock_acquire+0x518/0xc20 [ 12.073419][ T192] console_unlock+0xee/0x1f0 [ 12.073422][ T192] ? console_flush_one_record+0x710/0x710 [ 12.073424][ T192] ? rcu_is_watching+0x16/0xd0 [ 12.073426][ T192] ? lock_acquire+0x60/0x160 [ 12.073429][ T192] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.073431][ T192] ? vprintk_emit+0x320/0x3e0 [ 12.073434][ T192] vprintk_emit+0x37c/0x3e0 [ 12.073438][ T192] ? wake_up_klogd_work_func+0x90/0x90 [ 12.073443][ T192] ? ppp_cleanup+0x920/0x920 [ppp_generic] [ 12.073447][ T192] _printk+0xc7/0x100 [ 12.073450][ T192] ? snapshot_read.cold+0x21/0x21 [ 12.073454][ T192] ? ppp_cleanup+0x920/0x920 [ppp_generic] [ 12.073457][ T192] ? do_raw_spin_unlock+0x59/0x250 [ 12.073459][ T192] ? ppp_cleanup+0x920/0x920 [ppp_generic] [ 12.073462][ T192] ? do_raw_spin_unlock+0x59/0x250 [ 12.073464][ T192] bsdcomp_init+0x28/0x1000 [bsd_comp] [ 12.073467][ T192] do_one_initcall+0x124/0x4f0 [ 12.073470][ T192] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 12.073474][ T192] ? do_init_module+0xae/0x8a0 [ 12.073477][ T192] ? kasan_unpoison+0x44/0x70 [ 12.073482][ T192] do_init_module+0x2ad/0x8a0 [ 12.073485][ T192] ? lockdep_hardirqs_on+0x91/0x130 [ 12.073489][ T192] ? free_module+0x470/0x470 [ 12.073492][ T192] ? kfree+0x123/0x590 [ 12.073496][ T192] load_module+0x1424/0x1bb0 [ 12.073503][ T192] ? layout_and_allocate.isra.0+0x680/0x680 [ 12.073506][ T192] ? __ia32_sys_fsconfig+0x180/0x180 [ 12.073509][ T192] ? ovl_real_file+0x172/0x1e0 [ 12.073513][ T192] ? backing_file_read_iter+0x541/0x790 [ 12.073516][ T192] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.073519][ T192] init_module_from_file+0x11f/0x1a0 [ 12.073522][ T192] ? __do_sys_init_module+0x220/0x220 [ 12.073530][ T192] ? __rwlock_init+0x150/0x150 [ 12.073533][ T192] ? do_raw_spin_unlock+0x59/0x250 [ 12.073536][ T192] idempotent_init_module+0x37b/0x7c0 [ 12.073540][ T192] ? init_module_from_file+0x1a0/0x1a0 [ 12.073546][ T192] ? rcu_is_watching+0x16/0xd0 [ 12.073548][ T192] ? cap_capable+0x1d7/0x3d0 [ 12.073553][ T192] __x64_sys_finit_module+0xdf/0x190 [ 12.073555][ T192] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 12.073559][ T192] do_syscall_64+0xff/0x530 [ 12.073561][ T192] ? exc_page_fault+0xee/0x100 [ 12.073564][ T192] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.073566][ T192] RIP: 0033:0x7f6302d4137d [ 12.073569][ T192] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 12.073571][ T192] RSP: 002b:00007fff8bd3e7f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.073574][ T192] RAX: ffffffffffffffda RBX: 000055b711ffe810 RCX: 00007f6302d4137d [ 12.073575][ T192] RDX: 0000000000000000 RSI: 000055b6f49baffd RDI: 0000000000000000 [ 12.073576][ T192] RBP: 00007fff8bd3e890 R08: 0000000000000000 R09: 0000000000000000 [ 12.073577][ T192] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b6f49baffd [ 12.073578][ T192] R13: 000055b711ffe9e0 R14: 0000000000040000 R15: 0000000000000000 [ 12.073584][ T192] [ 12.156530][ T193] PPP Deflate Compression module registered [ 16.592271][ T218] iperf3 (218) used greatest stack depth: 23192 bytes left [ 16.592291][ T218] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.592293][ T218] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 218, name: iperf3 [ 16.592295][ T218] preempt_count: 2, expected: 0 [ 16.592296][ T218] RCU nest depth: 0, expected: 0 [ 16.592297][ T218] locks held by iperf3/218: 5, last CPU#1: [ 16.592298][ T218] #0: ffffffff958127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 16.592309][ T218] #1: ffffffff95979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.592315][ T218] #2: ffffffff95979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.592319][ T218] #3: ffffffff95899660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.592323][ T218] #4: ffffffff95899560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.592327][ T218] irq event stamp: 965382 [ 16.592328][ T218] hardirqs last enabled at (965381): [] __down_trylock_console_sem+0x86/0xa0 [ 16.592330][ T218] hardirqs last disabled at (965382): [] console_emit_next_record+0x3d4/0x4c0 [ 16.592332][ T218] softirqs last enabled at (965318): [] handle_softirqs+0x67c/0x900 [ 16.592335][ T218] softirqs last disabled at (965309): [] __irq_exit_rcu+0x145/0x1c0 [ 16.592337][ T218] Preemption disabled at: [ 16.592337][ T218] [<0000000000000000>] 0x0 [ 16.592344][ T218] CPU: 1 UID: 0 PID: 218 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.592348][ T218] Tainted: [W]=WARN [ 16.592348][ T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.592350][ T218] Call Trace: [ 16.592352][ T218] [ 16.592353][ T218] dump_stack_lvl+0x6f/0xa0 [ 16.592359][ T218] __might_resched.cold+0x1fe/0x2c1 [ 16.592364][ T218] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.592368][ T218] ? __kmalloc_noprof+0xdb/0x760 [ 16.592373][ T218] __kmalloc_noprof+0x443/0x760 [ 16.592375][ T218] ? alloc_buf.isra.0+0x4b/0x260 [ 16.592380][ T218] ? do_raw_spin_unlock+0x59/0x250 [ 16.592383][ T218] alloc_buf.isra.0+0x4b/0x260 [ 16.592386][ T218] put_chars+0x1e1/0x2f0 [ 16.592388][ T218] ? prb_final_commit+0x50/0x50 [ 16.592391][ T218] ? __send_to_port+0x420/0x420 [ 16.592394][ T218] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.592398][ T218] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.592401][ T218] ? validate_chain+0x38b/0xc20 [ 16.592405][ T218] hvc_console_print+0x292/0x780 [ 16.592408][ T218] ? mark_usage+0x61/0x170 [ 16.592410][ T218] ? __lock_acquire+0x518/0xc20 [ 16.592412][ T218] ? __lock_acquire+0x518/0xc20 [ 16.592416][ T218] ? hvc_write+0x3a0/0x3a0 [ 16.592418][ T218] ? console_emit_next_record+0x1df/0x4c0 [ 16.592421][ T218] ? rcu_is_watching+0x16/0xd0 [ 16.592423][ T218] ? lock_acquire+0x13c/0x160 [ 16.592427][ T218] console_emit_next_record+0x22f/0x4c0 [ 16.592431][ T218] ? devkmsg_read+0x4b0/0x4b0 [ 16.592432][ T218] ? console_flush_one_record+0x106/0x710 [ 16.592436][ T218] ? rcu_is_watching+0x16/0xd0 [ 16.592438][ T218] ? lock_acquire+0x13c/0x160 [ 16.592442][ T218] console_flush_one_record+0x46f/0x710 [ 16.592446][ T218] ? console_emit_next_record+0x4c0/0x4c0 [ 16.592447][ T218] ? __lock_acquire+0x518/0xc20 [ 16.592452][ T218] console_unlock+0xee/0x1f0 [ 16.592455][ T218] ? console_flush_one_record+0x710/0x710 [ 16.592457][ T218] ? rcu_is_watching+0x16/0xd0 [ 16.592459][ T218] ? lock_acquire+0x60/0x160 [ 16.592463][ T218] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.592464][ T218] ? vprintk_emit+0x320/0x3e0 [ 16.592468][ T218] vprintk_emit+0x37c/0x3e0 [ 16.592471][ T218] ? wake_up_klogd_work_func+0x90/0x90 [ 16.592475][ T218] ? __lock_acquire+0x518/0xc20 [ 16.592478][ T218] _printk+0xc7/0x100 [ 16.592482][ T218] ? snapshot_read.cold+0x21/0x21 [ 16.592484][ T218] ? do_raw_spin_lock+0x131/0x280 [ 16.592487][ T218] ? __rwlock_init+0x150/0x150 [ 16.592490][ T218] ? do_raw_spin_lock+0x131/0x280 [ 16.592493][ T218] do_exit.cold+0x82/0x9c [ 16.592497][ T218] ? exit_notify+0x890/0x890 [ 16.592501][ T218] __x64_sys_exit+0x42/0x50 [ 16.592503][ T218] x64_sys_call+0x156c/0x1570 [ 16.592506][ T218] do_syscall_64+0xff/0x530 [ 16.592509][ T218] ? exc_page_fault+0xee/0x100 [ 16.592512][ T218] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.592515][ T218] RIP: 0033:0x7f2bc7979c49 [ 16.592517][ T218] Code: Unable to access opcode bytes at 0x7f2bc7979c1f. [ 16.592518][ T218] RSP: 002b:00007f2bc7138e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 16.592521][ T218] RAX: ffffffffffffffda RBX: 00007f2bc71396c0 RCX: 00007f2bc7979c49 [ 16.592522][ T218] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 16.592523][ T218] RBP: 00007f2bc7138f70 R08: 0000000000000001 R09: 00007f2bc71396c0 [ 16.592524][ T218] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f2bc6939000 [ 16.592524][ T218] R13: 00007ffd9e586000 R14: 0000000000000002 R15: 00007ffd9e586107 [ 16.592531][ T218]