[ 9.695391][ T201] ip (201) used greatest stack depth: 24240 bytes left [ 9.695408][ T201] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.695410][ T201] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 201, name: ip [ 9.695411][ T201] preempt_count: 2, expected: 0 [ 9.695412][ T201] RCU nest depth: 0, expected: 0 [ 9.695413][ T201] locks held by ip/201: 5, last CPU#2: [ 9.695415][ T201] #0: ffffffffa32267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.695428][ T201] #1: ffffffffa338dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.695433][ T201] #2: ffffffffa338dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.695437][ T201] #3: ffffffffa32ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.695441][ T201] #4: ffffffffa32ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.695445][ T201] irq event stamp: 21150 [ 9.695445][ T201] hardirqs last enabled at (21149): [] __down_trylock_console_sem+0x86/0xa0 [ 9.695448][ T201] hardirqs last disabled at (21150): [] console_emit_next_record+0x3d4/0x4c0 [ 9.695450][ T201] softirqs last enabled at (19966): [] handle_softirqs+0x67c/0x900 [ 9.695452][ T201] softirqs last disabled at (19961): [] __irq_exit_rcu+0x145/0x1c0 [ 9.695454][ T201] Preemption disabled at: [ 9.695455][ T201] [<0000000000000000>] 0x0 [ 9.695462][ T201] CPU: 2 UID: 0 PID: 201 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.695465][ T201] Tainted: [W]=WARN [ 9.695466][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.695468][ T201] Call Trace: [ 9.695470][ T201] [ 9.695471][ T201] dump_stack_lvl+0x6f/0xa0 [ 9.695478][ T201] __might_resched.cold+0x1fe/0x2c1 [ 9.695482][ T201] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.695486][ T201] ? __kmalloc_noprof+0xdb/0x760 [ 9.695491][ T201] __kmalloc_noprof+0x443/0x760 [ 9.695493][ T201] ? alloc_buf.isra.0+0x4b/0x260 [ 9.695499][ T201] ? do_raw_spin_unlock+0x59/0x250 [ 9.695502][ T201] alloc_buf.isra.0+0x4b/0x260 [ 9.695506][ T201] put_chars+0x1e1/0x2f0 [ 9.695509][ T201] ? __send_to_port+0x420/0x420 [ 9.695511][ T201] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.695515][ T201] ? validate_chain+0x38b/0xc20 [ 9.695521][ T201] hvc_console_print+0x292/0x780 [ 9.695528][ T201] ? hvc_write+0x3a0/0x3a0 [ 9.695531][ T201] ? rcu_is_watching+0x16/0xd0 [ 9.695533][ T201] ? lock_acquire+0x13c/0x160 [ 9.695537][ T201] console_emit_next_record+0x22f/0x4c0 [ 9.695540][ T201] ? devkmsg_read+0x4b0/0x4b0 [ 9.695542][ T201] ? console_flush_one_record+0x106/0x710 [ 9.695545][ T201] ? rcu_is_watching+0x16/0xd0 [ 9.695547][ T201] ? lock_acquire+0x13c/0x160 [ 9.695551][ T201] console_flush_one_record+0x46f/0x710 [ 9.695555][ T201] ? console_emit_next_record+0x4c0/0x4c0 [ 9.695556][ T201] ? __lock_acquire+0x518/0xc20 [ 9.695561][ T201] console_unlock+0xee/0x1f0 [ 9.695564][ T201] ? console_flush_one_record+0x710/0x710 [ 9.695565][ T201] ? rcu_is_watching+0x16/0xd0 [ 9.695572][ T201] ? lock_acquire+0x60/0x160 [ 9.695576][ T201] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.695577][ T201] ? vprintk_emit+0x320/0x3e0 [ 9.695580][ T201] vprintk_emit+0x37c/0x3e0 [ 9.695584][ T201] ? wake_up_klogd_work_func+0x90/0x90 [ 9.695587][ T201] ? __lock_acquire+0x518/0xc20 [ 9.695590][ T201] _printk+0xc7/0x100 [ 9.695594][ T201] ? snapshot_read.cold+0x21/0x21 [ 9.695597][ T201] ? do_raw_spin_lock+0x131/0x280 [ 9.695599][ T201] ? __rwlock_init+0x150/0x150 [ 9.695603][ T201] ? do_raw_spin_lock+0x131/0x280 [ 9.695605][ T201] do_exit.cold+0x82/0x9c [ 9.695609][ T201] ? exit_notify+0x890/0x890 [ 9.695611][ T201] ? __lock_release.isra.0+0x69/0x1a0 [ 9.695614][ T201] ? rcu_is_watching+0x16/0xd0 [ 9.695618][ T201] do_group_exit+0xb8/0x370 [ 9.695621][ T201] __x64_sys_exit_group+0x3c/0x50 [ 9.695623][ T201] x64_sys_call+0x1567/0x1570 [ 9.695625][ T201] do_syscall_64+0xff/0x530 [ 9.695629][ T201] ? exc_page_fault+0xee/0x100 [ 9.695632][ T201] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.695634][ T201] RIP: 0033:0x7f84a77791b8 [ 9.695637][ T201] Code: Unable to access opcode bytes at 0x7f84a777918e. [ 9.695638][ T201] RSP: 002b:00007ffcfd09eb78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.695640][ T201] RAX: ffffffffffffffda RBX: 00007f84a78a9f88 RCX: 00007f84a77791b8 [ 9.695642][ T201] RDX: 00007f84a74c3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.695643][ T201] RBP: 00007ffcfd09ebd0 R08: 0000000000000000 R09: 0000000000000050 [ 9.695643][ T201] R10: 00007ffcfd09e990 R11: 0000000000000246 R12: 0000000000000001 [ 9.695644][ T201] R13: 0000000000000000 R14: 00007f84a78a8680 R15: 00007f84a78a9fa0 [ 9.695651][ T201] [ 19.092699][ T552] mptcp_connect (552) used greatest stack depth: 23712 bytes left [ 19.092717][ T552] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.092719][ T552] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 552, name: mptcp_connect [ 19.092721][ T552] preempt_count: 2, expected: 0 [ 19.092722][ T552] RCU nest depth: 0, expected: 0 [ 19.092723][ T552] locks held by mptcp_connect/552: 5, last CPU#2: [ 19.092725][ T552] #0: ffffffffa32267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 19.092738][ T552] #1: ffffffffa338dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.092744][ T552] #2: ffffffffa338dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.092750][ T552] #3: ffffffffa32ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.092755][ T552] #4: ffffffffa32ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 19.092759][ T552] irq event stamp: 57208 [ 19.092759][ T552] hardirqs last enabled at (57207): [] __down_trylock_console_sem+0x86/0xa0 [ 19.092762][ T552] hardirqs last disabled at (57208): [] console_emit_next_record+0x3d4/0x4c0 [ 19.092764][ T552] softirqs last enabled at (57176): [] handle_softirqs+0x67c/0x900 [ 19.092766][ T552] softirqs last disabled at (57171): [] __irq_exit_rcu+0x145/0x1c0 [ 19.092768][ T552] Preemption disabled at: [ 19.092768][ T552] [<0000000000000000>] 0x0 [ 19.092776][ T552] CPU: 2 UID: 0 PID: 552 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.092780][ T552] Tainted: [W]=WARN [ 19.092780][ T552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.092782][ T552] Call Trace: [ 19.092784][ T552] [ 19.092785][ T552] dump_stack_lvl+0x6f/0xa0 [ 19.092792][ T552] __might_resched.cold+0x1fe/0x2c1 [ 19.092796][ T552] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.092800][ T552] ? __kmalloc_noprof+0xdb/0x760 [ 19.092805][ T552] __kmalloc_noprof+0x443/0x760 [ 19.092807][ T552] ? alloc_buf.isra.0+0x4b/0x260 [ 19.092814][ T552] ? do_raw_spin_unlock+0x59/0x250 [ 19.092817][ T552] alloc_buf.isra.0+0x4b/0x260 [ 19.092820][ T552] put_chars+0x1e1/0x2f0 [ 19.092824][ T552] ? __send_to_port+0x420/0x420 [ 19.092826][ T552] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.092830][ T552] ? validate_chain+0x38b/0xc20 [ 19.092835][ T552] hvc_console_print+0x292/0x780 [ 19.092843][ T552] ? hvc_write+0x3a0/0x3a0 [ 19.092845][ T552] ? rcu_is_watching+0x16/0xd0 [ 19.092848][ T552] ? lock_acquire+0x13c/0x160 [ 19.092851][ T552] console_emit_next_record+0x22f/0x4c0 [ 19.092855][ T552] ? devkmsg_read+0x4b0/0x4b0 [ 19.092857][ T552] ? console_flush_one_record+0x106/0x710 [ 19.092860][ T552] ? rcu_is_watching+0x16/0xd0 [ 19.092862][ T552] ? lock_acquire+0x13c/0x160 [ 19.092866][ T552] console_flush_one_record+0x46f/0x710 [ 19.092870][ T552] ? console_emit_next_record+0x4c0/0x4c0 [ 19.092871][ T552] ? __lock_acquire+0x518/0xc20 [ 19.092876][ T552] console_unlock+0xee/0x1f0 [ 19.092879][ T552] ? console_flush_one_record+0x710/0x710 [ 19.092880][ T552] ? rcu_is_watching+0x16/0xd0 [ 19.092882][ T552] ? lock_acquire+0x60/0x160 [ 19.092886][ T552] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.092887][ T552] ? vprintk_emit+0x320/0x3e0 [ 19.092890][ T552] vprintk_emit+0x37c/0x3e0 [ 19.092894][ T552] ? wake_up_klogd_work_func+0x90/0x90 [ 19.092896][ T552] ? do_raw_spin_unlock+0x59/0x250 [ 19.092898][ T552] ? __lock_acquire+0x518/0xc20 [ 19.092902][ T552] _printk+0xc7/0x100 [ 19.092906][ T552] ? snapshot_read.cold+0x21/0x21 [ 19.092909][ T552] ? do_raw_spin_lock+0x131/0x280 [ 19.092911][ T552] ? __rwlock_init+0x150/0x150 [ 19.092915][ T552] ? do_raw_spin_lock+0x131/0x280 [ 19.092917][ T552] do_exit.cold+0x82/0x9c [ 19.092921][ T552] ? exit_notify+0x890/0x890 [ 19.092923][ T552] ? __lock_release.isra.0+0x69/0x1a0 [ 19.092926][ T552] ? rcu_is_watching+0x16/0xd0 [ 19.092929][ T552] do_group_exit+0xb8/0x370 [ 19.092933][ T552] __x64_sys_exit_group+0x3c/0x50 [ 19.092935][ T552] x64_sys_call+0x1567/0x1570 [ 19.092937][ T552] do_syscall_64+0xff/0x530 [ 19.092940][ T552] ? exc_page_fault+0xee/0x100 [ 19.092944][ T552] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.092946][ T552] RIP: 0033:0x7f6a49c611b8 [ 19.092948][ T552] Code: Unable to access opcode bytes at 0x7f6a49c6118e. [ 19.092950][ T552] RSP: 002b:00007ffe920013e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.092952][ T552] RAX: ffffffffffffffda RBX: 00007f6a49d91f88 RCX: 00007f6a49c611b8 [ 19.092954][ T552] RDX: 00007f6a49b9ea48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 19.092954][ T552] RBP: 00007ffe92001440 R08: 0000000000000000 R09: 0000000000000000 [ 19.092955][ T552] R10: 00007ffe92001280 R11: 0000000000000246 R12: 0000000000000001 [ 19.092956][ T552] R13: 0000000000000000 R14: 00007f6a49d90680 R15: 00007f6a49d91fa0 [ 19.092963][ T552]