[ 11.233671][ T221] ip (221) used greatest stack depth: 24184 bytes left [ 11.233688][ T221] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.233691][ T221] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 221, name: ip [ 11.233692][ T221] preempt_count: 2, expected: 0 [ 11.233693][ T221] RCU nest depth: 0, expected: 0 [ 11.233694][ T221] locks held by ip/221: 5, last CPU#0: [ 11.233697][ T221] #0: ffffffffb82027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.233710][ T221] #1: ffffffffb8369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.233716][ T221] #2: ffffffffb8369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.233720][ T221] #3: ffffffffb8289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.233723][ T221] #4: ffffffffb8289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.233727][ T221] irq event stamp: 37968 [ 11.233728][ T221] hardirqs last enabled at (37967): [] __down_trylock_console_sem+0x86/0xa0 [ 11.233731][ T221] hardirqs last disabled at (37968): [] console_emit_next_record+0x3d4/0x4c0 [ 11.233733][ T221] softirqs last enabled at (35692): [] handle_softirqs+0x67c/0x900 [ 11.233735][ T221] softirqs last disabled at (35519): [] __irq_exit_rcu+0x145/0x1c0 [ 11.233738][ T221] Preemption disabled at: [ 11.233739][ T221] [<0000000000000000>] 0x0 [ 11.233746][ T221] CPU: 0 UID: 0 PID: 221 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.233749][ T221] Tainted: [W]=WARN [ 11.233750][ T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.233752][ T221] Call Trace: [ 11.233753][ T221] [ 11.233755][ T221] dump_stack_lvl+0x6f/0xa0 [ 11.233762][ T221] __might_resched.cold+0x1fe/0x2c1 [ 11.233766][ T221] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.233770][ T221] ? __kmalloc_noprof+0xdb/0x760 [ 11.233775][ T221] __kmalloc_noprof+0x443/0x760 [ 11.233778][ T221] ? alloc_buf.isra.0+0x4b/0x260 [ 11.233784][ T221] ? do_raw_spin_unlock+0x59/0x250 [ 11.233786][ T221] alloc_buf.isra.0+0x4b/0x260 [ 11.233790][ T221] put_chars+0x1e1/0x2f0 [ 11.233793][ T221] ? __send_to_port+0x420/0x420 [ 11.233794][ T221] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.233799][ T221] ? validate_chain+0x38b/0xc20 [ 11.233804][ T221] hvc_console_print+0x292/0x780 [ 11.233811][ T221] ? hvc_write+0x3a0/0x3a0 [ 11.233813][ T221] ? rcu_is_watching+0x16/0xd0 [ 11.233815][ T221] ? lock_acquire+0x13c/0x160 [ 11.233820][ T221] console_emit_next_record+0x22f/0x4c0 [ 11.233824][ T221] ? devkmsg_read+0x4b0/0x4b0 [ 11.233825][ T221] ? console_flush_one_record+0x106/0x710 [ 11.233829][ T221] ? rcu_is_watching+0x16/0xd0 [ 11.233831][ T221] ? lock_acquire+0x13c/0x160 [ 11.233835][ T221] console_flush_one_record+0x46f/0x710 [ 11.233839][ T221] ? console_emit_next_record+0x4c0/0x4c0 [ 11.233841][ T221] ? __lock_acquire+0x518/0xc20 [ 11.233847][ T221] console_unlock+0xee/0x1f0 [ 11.233850][ T221] ? console_flush_one_record+0x710/0x710 [ 11.233852][ T221] ? rcu_is_watching+0x16/0xd0 [ 11.233854][ T221] ? lock_acquire+0x60/0x160 [ 11.233858][ T221] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.233859][ T221] ? vprintk_emit+0x320/0x3e0 [ 11.233863][ T221] vprintk_emit+0x37c/0x3e0 [ 11.233867][ T221] ? wake_up_klogd_work_func+0x90/0x90 [ 11.233870][ T221] ? __lock_acquire+0x518/0xc20 [ 11.233874][ T221] _printk+0xc7/0x100 [ 11.233878][ T221] ? snapshot_read.cold+0x21/0x21 [ 11.233881][ T221] ? do_raw_spin_lock+0x131/0x280 [ 11.233883][ T221] ? __rwlock_init+0x150/0x150 [ 11.233887][ T221] ? do_raw_spin_lock+0x131/0x280 [ 11.233890][ T221] do_exit.cold+0x82/0x9c [ 11.233894][ T221] ? exit_notify+0x890/0x890 [ 11.233896][ T221] ? __lock_release.isra.0+0x69/0x1a0 [ 11.233899][ T221] ? rcu_is_watching+0x16/0xd0 [ 11.233903][ T221] do_group_exit+0xb8/0x370 [ 11.233906][ T221] __x64_sys_exit_group+0x3c/0x50 [ 11.233908][ T221] x64_sys_call+0x1567/0x1570 [ 11.233910][ T221] do_syscall_64+0xff/0x530 [ 11.233913][ T221] ? exc_page_fault+0xee/0x100 [ 11.233916][ T221] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.233919][ T221] RIP: 0033:0x7f2720e5f1b8 [ 11.233921][ T221] Code: Unable to access opcode bytes at 0x7f2720e5f18e. [ 11.233922][ T221] RSP: 002b:00007ffc1dded898 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.233925][ T221] RAX: ffffffffffffffda RBX: 00007f2720f8ff88 RCX: 00007f2720e5f1b8 [ 11.233926][ T221] RDX: 00007f2720ba9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.233927][ T221] RBP: 00007ffc1dded8f0 R08: 0000000000000000 R09: 0000000000008010 [ 11.233928][ T221] R10: 00007ffc1dded6b0 R11: 0000000000000246 R12: 0000000000000001 [ 11.233929][ T221] R13: 0000000000000000 R14: 00007f2720f8e680 R15: 00007f2720f8ffa0 [ 11.233936][ T221] [ 12.459048][ T263] gre: GRE over IPv4 demultiplexer driver [ 12.459064][ T263] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.459067][ T263] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 263, name: modprobe [ 12.459069][ T263] preempt_count: 1, expected: 0 [ 12.459070][ T263] RCU nest depth: 0, expected: 0 [ 12.459071][ T263] locks held by modprobe/263: 4, last CPU#3: [ 12.459074][ T263] #0: ffffffffb8369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.459086][ T263] #1: ffffffffb8369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.459091][ T263] #2: ffffffffb8289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.459095][ T263] #3: ffffffffb8289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.459099][ T263] irq event stamp: 23880 [ 12.459100][ T263] hardirqs last enabled at (23879): [] __down_trylock_console_sem+0x86/0xa0 [ 12.459102][ T263] hardirqs last disabled at (23880): [] console_emit_next_record+0x3d4/0x4c0 [ 12.459104][ T263] softirqs last enabled at (22594): [] handle_softirqs+0x67c/0x900 [ 12.459108][ T263] softirqs last disabled at (21987): [] __irq_exit_rcu+0x145/0x1c0 [ 12.459110][ T263] Preemption disabled at: [ 12.459110][ T263] [] vprintk_emit+0x31b/0x3e0 [ 12.459116][ T263] CPU: 3 UID: 0 PID: 263 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.459120][ T263] Tainted: [W]=WARN [ 12.459120][ T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.459122][ T263] Call Trace: [ 12.459124][ T263] [ 12.459125][ T263] dump_stack_lvl+0x6f/0xa0 [ 12.459131][ T263] ? vprintk_emit+0x31b/0x3e0 [ 12.459134][ T263] __might_resched.cold+0x1fe/0x2c1 [ 12.459138][ T263] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.459142][ T263] ? __kmalloc_noprof+0xdb/0x760 [ 12.459147][ T263] __kmalloc_noprof+0x443/0x760 [ 12.459150][ T263] ? alloc_buf.isra.0+0x4b/0x260 [ 12.459155][ T263] ? do_raw_spin_unlock+0x59/0x250 [ 12.459158][ T263] alloc_buf.isra.0+0x4b/0x260 [ 12.459161][ T263] put_chars+0x1e1/0x2f0 [ 12.459163][ T263] ? desc_read_finalized_seq+0x79/0x120 [ 12.459165][ T263] ? __send_to_port+0x420/0x420 [ 12.459168][ T263] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.459172][ T263] ? validate_chain+0x38b/0xc20 [ 12.459176][ T263] hvc_console_print+0x292/0x780 [ 12.459179][ T263] ? __lock_acquire+0x518/0xc20 [ 12.459180][ T263] ? __lock_acquire+0x518/0xc20 [ 12.459185][ T263] ? hvc_write+0x3a0/0x3a0 [ 12.459186][ T263] ? console_emit_next_record+0x1df/0x4c0 [ 12.459189][ T263] ? rcu_is_watching+0x16/0xd0 [ 12.459193][ T263] ? lock_acquire+0x13c/0x160 [ 12.459197][ T263] console_emit_next_record+0x22f/0x4c0 [ 12.459200][ T263] ? devkmsg_read+0x4b0/0x4b0 [ 12.459202][ T263] ? console_flush_one_record+0x106/0x710 [ 12.459205][ T263] ? rcu_is_watching+0x16/0xd0 [ 12.459208][ T263] ? lock_acquire+0x13c/0x160 [ 12.459212][ T263] console_flush_one_record+0x46f/0x710 [ 12.459216][ T263] ? console_emit_next_record+0x4c0/0x4c0 [ 12.459218][ T263] ? __lock_acquire+0x518/0xc20 [ 12.459223][ T263] console_unlock+0xee/0x1f0 [ 12.459226][ T263] ? console_flush_one_record+0x710/0x710 [ 12.459228][ T263] ? rcu_is_watching+0x16/0xd0 [ 12.459230][ T263] ? lock_acquire+0x60/0x160 [ 12.459233][ T263] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.459235][ T263] ? vprintk_emit+0x320/0x3e0 [ 12.459239][ T263] vprintk_emit+0x37c/0x3e0 [ 12.459243][ T263] ? wake_up_klogd_work_func+0x90/0x90 [ 12.459248][ T263] ? gre_exit+0x3f0/0x3f0 [gre] [ 12.459251][ T263] _printk+0xc7/0x100 [ 12.459255][ T263] ? snapshot_read.cold+0x21/0x21 [ 12.459261][ T263] ? do_one_initcall+0x113/0x4f0 [ 12.459264][ T263] gre_init+0x15/0x1000 [gre] [ 12.459267][ T263] do_one_initcall+0x124/0x4f0 [ 12.459269][ T263] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 12.459274][ T263] ? do_init_module+0xae/0x8a0 [ 12.459277][ T263] ? kasan_unpoison+0x44/0x70 [ 12.459282][ T263] do_init_module+0x2ad/0x8a0 [ 12.459285][ T263] ? lockdep_hardirqs_on+0x91/0x130 [ 12.459290][ T263] ? free_module+0x470/0x470 [ 12.459293][ T263] ? kfree+0x123/0x590 [ 12.459297][ T263] load_module+0x1424/0x1bb0 [ 12.459304][ T263] ? layout_and_allocate.isra.0+0x680/0x680 [ 12.459309][ T263] ? backing_file_read_iter+0x541/0x790 [ 12.459313][ T263] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.459317][ T263] init_module_from_file+0x11f/0x1a0 [ 12.459320][ T263] ? __do_sys_init_module+0x220/0x220 [ 12.459328][ T263] ? __rwlock_init+0x150/0x150 [ 12.459332][ T263] ? do_raw_spin_unlock+0x59/0x250 [ 12.459335][ T263] idempotent_init_module+0x37b/0x7c0 [ 12.459338][ T263] ? init_module_from_file+0x1a0/0x1a0 [ 12.459345][ T263] ? rcu_is_watching+0x16/0xd0 [ 12.459347][ T263] ? cap_capable+0x1d7/0x3d0 [ 12.459353][ T263] __x64_sys_finit_module+0xdf/0x190 [ 12.459355][ T263] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 12.459359][ T263] do_syscall_64+0xff/0x530 [ 12.459361][ T263] ? exc_page_fault+0xee/0x100 [ 12.459363][ T263] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.459366][ T263] RIP: 0033:0x7ff2d356837d [ 12.459369][ T263] 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 [ 12.459371][ T263] RSP: 002b:00007ffcab6cfb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.459374][ T263] RAX: ffffffffffffffda RBX: 000055d88539aa40 RCX: 00007ff2d356837d [ 12.459375][ T263] RDX: 0000000000000000 RSI: 000055d881a29ffd RDI: 0000000000000001 [ 12.459376][ T263] RBP: 00007ffcab6cfbc0 R08: 0000000000000000 R09: 0000000000000000 [ 12.459377][ T263] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d881a29ffd [ 12.459378][ T263] R13: 000055d88539aa00 R14: 0000000000040000 R15: 0000000000000000 [ 12.459385][ T263] [ 12.487980][ T263] ip_gre: GRE over IPv4 tunneling driver [ 13.108869][ T287] 8021q: 802.1Q VLAN Support v1.8 [ 14.153118][ T327] GACT probability NOT on [ 14.153135][ T327] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.153137][ T327] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 327, name: modprobe [ 14.153139][ T327] preempt_count: 1, expected: 0 [ 14.153140][ T327] RCU nest depth: 0, expected: 0 [ 14.153141][ T327] locks held by modprobe/327: 4, last CPU#3: [ 14.153143][ T327] #0: ffffffffb8369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.153155][ T327] #1: ffffffffb8369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.153160][ T327] #2: ffffffffb8289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.153164][ T327] #3: ffffffffb8289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.153168][ T327] irq event stamp: 24100 [ 14.153169][ T327] hardirqs last enabled at (24099): [] __down_trylock_console_sem+0x86/0xa0 [ 14.153171][ T327] hardirqs last disabled at (24100): [] console_emit_next_record+0x3d4/0x4c0 [ 14.153174][ T327] softirqs last enabled at (22724): [] handle_softirqs+0x67c/0x900 [ 14.153177][ T327] softirqs last disabled at (22719): [] __irq_exit_rcu+0x145/0x1c0 [ 14.153179][ T327] Preemption disabled at: [ 14.153180][ T327] [] vprintk_emit+0x31b/0x3e0 [ 14.153185][ T327] CPU: 3 UID: 0 PID: 327 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.153189][ T327] Tainted: [W]=WARN [ 14.153190][ T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.153191][ T327] Call Trace: [ 14.153193][ T327] [ 14.153194][ T327] dump_stack_lvl+0x6f/0xa0 [ 14.153200][ T327] ? vprintk_emit+0x31b/0x3e0 [ 14.153202][ T327] __might_resched.cold+0x1fe/0x2c1 [ 14.153207][ T327] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.153211][ T327] ? __kmalloc_noprof+0xdb/0x760 [ 14.153216][ T327] __kmalloc_noprof+0x443/0x760 [ 14.153219][ T327] ? alloc_buf.isra.0+0x4b/0x260 [ 14.153224][ T327] ? do_raw_spin_unlock+0x59/0x250 [ 14.153227][ T327] alloc_buf.isra.0+0x4b/0x260 [ 14.153230][ T327] put_chars+0x1e1/0x2f0 [ 14.153232][ T327] ? desc_read_finalized_seq+0x79/0x120 [ 14.153234][ T327] ? __send_to_port+0x420/0x420 [ 14.153237][ T327] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.153240][ T327] ? validate_chain+0x38b/0xc20 [ 14.153245][ T327] hvc_console_print+0x292/0x780 [ 14.153247][ T327] ? __lock_acquire+0x518/0xc20 [ 14.153249][ T327] ? __lock_acquire+0x518/0xc20 [ 14.153253][ T327] ? hvc_write+0x3a0/0x3a0 [ 14.153255][ T327] ? console_emit_next_record+0x1df/0x4c0 [ 14.153258][ T327] ? rcu_is_watching+0x16/0xd0 [ 14.153261][ T327] ? lock_acquire+0x13c/0x160 [ 14.153265][ T327] console_emit_next_record+0x22f/0x4c0 [ 14.153269][ T327] ? devkmsg_read+0x4b0/0x4b0 [ 14.153270][ T327] ? console_flush_one_record+0x106/0x710 [ 14.153273][ T327] ? rcu_is_watching+0x16/0xd0 [ 14.153276][ T327] ? lock_acquire+0x13c/0x160 [ 14.153280][ T327] console_flush_one_record+0x46f/0x710 [ 14.153284][ T327] ? console_emit_next_record+0x4c0/0x4c0 [ 14.153285][ T327] ? __lock_acquire+0x518/0xc20 [ 14.153290][ T327] console_unlock+0xee/0x1f0 [ 14.153293][ T327] ? console_flush_one_record+0x710/0x710 [ 14.153295][ T327] ? rcu_is_watching+0x16/0xd0 [ 14.153297][ T327] ? lock_acquire+0x60/0x160 [ 14.153301][ T327] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.153303][ T327] ? vprintk_emit+0x320/0x3e0 [ 14.153306][ T327] vprintk_emit+0x37c/0x3e0 [ 14.153310][ T327] ? wake_up_klogd_work_func+0x90/0x90 [ 14.153315][ T327] ? gre_exit+0x3f0/0x3f0 [gre] [ 14.153318][ T327] _printk+0xc7/0x100 [ 14.153322][ T327] ? snapshot_read.cold+0x21/0x21 [ 14.153329][ T327] ? do_one_initcall+0x113/0x4f0 [ 14.153332][ T327] gact_init_module+0x15/0x1000 [act_gact] [ 14.153334][ T327] do_one_initcall+0x124/0x4f0 [ 14.153337][ T327] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 14.153341][ T327] ? do_init_module+0xae/0x8a0 [ 14.153345][ T327] ? kasan_unpoison+0x44/0x70 [ 14.153349][ T327] do_init_module+0x2ad/0x8a0 [ 14.153353][ T327] ? lockdep_hardirqs_on+0x91/0x130 [ 14.153357][ T327] ? free_module+0x470/0x470 [ 14.153360][ T327] ? kfree+0x123/0x590 [ 14.153364][ T327] load_module+0x1424/0x1bb0 [ 14.153372][ T327] ? layout_and_allocate.isra.0+0x680/0x680 [ 14.153375][ T327] ? __ia32_sys_fsconfig+0x180/0x180 [ 14.153378][ T327] ? ovl_real_file+0x172/0x1e0 [ 14.153382][ T327] ? backing_file_read_iter+0x541/0x790 [ 14.153385][ T327] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.153389][ T327] init_module_from_file+0x11f/0x1a0 [ 14.153392][ T327] ? __do_sys_init_module+0x220/0x220 [ 14.153400][ T327] ? __rwlock_init+0x150/0x150 [ 14.153404][ T327] ? do_raw_spin_unlock+0x59/0x250 [ 14.153407][ T327] idempotent_init_module+0x37b/0x7c0 [ 14.153411][ T327] ? init_module_from_file+0x1a0/0x1a0 [ 14.153417][ T327] ? rcu_is_watching+0x16/0xd0 [ 14.153419][ T327] ? cap_capable+0x1d7/0x3d0 [ 14.153425][ T327] __x64_sys_finit_module+0xdf/0x190 [ 14.153427][ T327] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 14.153431][ T327] do_syscall_64+0xff/0x530 [ 14.153435][ T327] ? exc_page_fault+0xee/0x100 [ 14.153438][ T327] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.153440][ T327] RIP: 0033:0x7fd5c70c437d [ 14.153443][ T327] 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 [ 14.153445][ T327] RSP: 002b:00007fff5c2f9d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.153448][ T327] RAX: ffffffffffffffda RBX: 000055d2704f3810 RCX: 00007fd5c70c437d [ 14.153449][ T327] RDX: 0000000000000000 RSI: 000055d2547fbffd RDI: 0000000000000000 [ 14.153450][ T327] RBP: 00007fff5c2f9df0 R08: 0000000000000000 R09: 0000000000000000 [ 14.153451][ T327] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d2547fbffd [ 14.153452][ T327] R13: 000055d2704f3960 R14: 0000000000040000 R15: 0000000000000000 [ 14.153459][ T327] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr [ 358.224896][T14686] ip (14686) used greatest stack depth: 24016 bytes left [ 358.224917][T14686] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 358.224920][T14686] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 14686, name: ip [ 358.224921][T14686] preempt_count: 2, expected: 0 [ 358.224922][T14686] RCU nest depth: 0, expected: 0 [ 358.224923][T14686] locks held by ip/14686: 5, last CPU#0: [ 358.224925][T14686] #0: ffffffffb82027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 358.224939][T14686] #1: ffffffffb8369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 358.224945][T14686] #2: ffffffffb8369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 358.224949][T14686] #3: ffffffffb8289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 358.224953][T14686] #4: ffffffffb8289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 358.224957][T14686] irq event stamp: 20840 [ 358.224958][T14686] hardirqs last enabled at (20839): [] __down_trylock_console_sem+0x86/0xa0 [ 358.224961][T14686] hardirqs last disabled at (20840): [] console_emit_next_record+0x3d4/0x4c0 [ 358.224964][T14686] softirqs last enabled at (19562): [] handle_softirqs+0x67c/0x900 [ 358.224966][T14686] softirqs last disabled at (19555): [] __irq_exit_rcu+0x145/0x1c0 [ 358.224968][T14686] Preemption disabled at: [ 358.224969][T14686] [<0000000000000000>] 0x0 [ 358.224976][T14686] CPU: 0 UID: 0 PID: 14686 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 358.224980][T14686] Tainted: [W]=WARN [ 358.224981][T14686] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 358.224982][T14686] Call Trace: [ 358.224984][T14686] [ 358.224986][T14686] dump_stack_lvl+0x6f/0xa0 [ 358.224992][T14686] __might_resched.cold+0x1fe/0x2c1 [ 358.224997][T14686] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 358.225001][T14686] ? __kmalloc_noprof+0xdb/0x760 [ 358.225007][T14686] __kmalloc_noprof+0x443/0x760 [ 358.225009][T14686] ? alloc_buf.isra.0+0x4b/0x260 [ 358.225015][T14686] ? do_raw_spin_unlock+0x59/0x250 [ 358.225018][T14686] alloc_buf.isra.0+0x4b/0x260 [ 358.225021][T14686] put_chars+0x1e1/0x2f0 [ 358.225024][T14686] ? __send_to_port+0x420/0x420 [ 358.225025][T14686] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 358.225030][T14686] ? validate_chain+0x38b/0xc20 [ 358.225035][T14686] hvc_console_print+0x292/0x780 [ 358.225042][T14686] ? hvc_write+0x3a0/0x3a0 [ 358.225044][T14686] ? rcu_is_watching+0x16/0xd0 [ 358.225046][T14686] ? lock_acquire+0x13c/0x160 [ 358.225050][T14686] console_emit_next_record+0x22f/0x4c0 [ 358.225054][T14686] ? devkmsg_read+0x4b0/0x4b0 [ 358.225056][T14686] ? console_flush_one_record+0x106/0x710 [ 358.225059][T14686] ? rcu_is_watching+0x16/0xd0 [ 358.225062][T14686] ? lock_acquire+0x13c/0x160 [ 358.225066][T14686] console_flush_one_record+0x46f/0x710 [ 358.225070][T14686] ? console_emit_next_record+0x4c0/0x4c0 [ 358.225072][T14686] ? __lock_acquire+0x518/0xc20 [ 358.225077][T14686] console_unlock+0xee/0x1f0 [ 358.225080][T14686] ? console_flush_one_record+0x710/0x710 [ 358.225082][T14686] ? rcu_is_watching+0x16/0xd0 [ 358.225084][T14686] ? lock_acquire+0x60/0x160 [ 358.225088][T14686] ? __down_trylock_console_sem+0x5e/0xa0 [ 358.225090][T14686] ? vprintk_emit+0x320/0x3e0 [ 358.225093][T14686] vprintk_emit+0x37c/0x3e0 [ 358.225097][T14686] ? wake_up_klogd_work_func+0x90/0x90 [ 358.225100][T14686] ? __lock_acquire+0x518/0xc20 [ 358.225104][T14686] _printk+0xc7/0x100 [ 358.225108][T14686] ? snapshot_read.cold+0x21/0x21 [ 358.225111][T14686] ? do_raw_spin_lock+0x131/0x280 [ 358.225113][T14686] ? __rwlock_init+0x150/0x150 [ 358.225117][T14686] ? do_raw_spin_lock+0x131/0x280 [ 358.225120][T14686] do_exit.cold+0x82/0x9c [ 358.225124][T14686] ? exit_notify+0x890/0x890 [ 358.225126][T14686] ? __lock_release.isra.0+0x69/0x1a0 [ 358.225129][T14686] ? rcu_is_watching+0x16/0xd0 [ 358.225133][T14686] do_group_exit+0xb8/0x370 [ 358.225136][T14686] __x64_sys_exit_group+0x3c/0x50 [ 358.225138][T14686] x64_sys_call+0x1567/0x1570 [ 358.225140][T14686] do_syscall_64+0xff/0x530 [ 358.225143][T14686] ? exc_page_fault+0xee/0x100 [ 358.225146][T14686] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 358.225148][T14686] RIP: 0033:0x7f85f060c1b8 [ 358.225151][T14686] Code: Unable to access opcode bytes at 0x7f85f060c18e. [ 358.225152][T14686] RSP: 002b:00007ffed0176f28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 358.225154][T14686] RAX: ffffffffffffffda RBX: 00007f85f073cf88 RCX: 00007f85f060c1b8 [ 358.225155][T14686] RDX: 00007f85f0356fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 358.225156][T14686] RBP: 00007ffed0176f80 R08: 0000000000000000 R09: 0000000000000050 [ 358.225157][T14686] R10: 00007ffed0176d40 R11: 0000000000000246 R12: 0000000000000001 [ 358.225158][T14686] R13: 0000000000000000 R14: 00007f85f073b680 R15: 00007f85f073cfa0 [ 358.225165][T14686]