[ 9.537121][ T180] ip (180) used greatest stack depth: 24096 bytes left [ 9.537144][ T180] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.537146][ T180] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 180, name: ip [ 9.537149][ T180] preempt_count: 2, expected: 0 [ 9.537150][ T180] RCU nest depth: 0, expected: 0 [ 9.537151][ T180] locks held by ip/180: 5, last CPU#3: [ 9.537154][ T180] #0: ffffffff906267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.537169][ T180] #1: ffffffff9078dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.537177][ T180] #2: ffffffff9078dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.537183][ T180] #3: ffffffff906ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.537189][ T180] #4: ffffffff906ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.537195][ T180] irq event stamp: 22378 [ 9.537196][ T180] hardirqs last enabled at (22377): [] __down_trylock_console_sem+0x86/0xa0 [ 9.537200][ T180] hardirqs last disabled at (22378): [] console_emit_next_record+0x3d4/0x4c0 [ 9.537202][ T180] softirqs last enabled at (20910): [] handle_softirqs+0x67c/0x900 [ 9.537205][ T180] softirqs last disabled at (19867): [] __irq_exit_rcu+0x145/0x1c0 [ 9.537208][ T180] Preemption disabled at: [ 9.537209][ T180] [<0000000000000000>] 0x0 [ 9.537218][ T180] CPU: 3 UID: 0 PID: 180 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.537222][ T180] Tainted: [W]=WARN [ 9.537224][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.537226][ T180] Call Trace: [ 9.537228][ T180] [ 9.537231][ T180] dump_stack_lvl+0x6f/0xa0 [ 9.537238][ T180] __might_resched.cold+0x1fe/0x2c1 [ 9.537244][ T180] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.537250][ T180] ? __kmalloc_noprof+0xdb/0x760 [ 9.537257][ T180] __kmalloc_noprof+0x443/0x760 [ 9.537261][ T180] ? alloc_buf.isra.0+0x4b/0x260 [ 9.537270][ T180] ? do_raw_spin_unlock+0x59/0x250 [ 9.537274][ T180] alloc_buf.isra.0+0x4b/0x260 [ 9.537280][ T180] put_chars+0x1e1/0x2f0 [ 9.537285][ T180] ? __send_to_port+0x420/0x420 [ 9.537288][ T180] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.537294][ T180] ? validate_chain+0x38b/0xc20 [ 9.537304][ T180] hvc_console_print+0x292/0x780 [ 9.537315][ T180] ? hvc_write+0x3a0/0x3a0 [ 9.537320][ T180] ? rcu_is_watching+0x16/0xd0 [ 9.537323][ T180] ? lock_acquire+0x13c/0x160 [ 9.537330][ T180] console_emit_next_record+0x22f/0x4c0 [ 9.537336][ T180] ? devkmsg_read+0x4b0/0x4b0 [ 9.537338][ T180] ? console_flush_one_record+0x106/0x710 [ 9.537343][ T180] ? rcu_is_watching+0x16/0xd0 [ 9.537347][ T180] ? lock_acquire+0x13c/0x160 [ 9.537354][ T180] console_flush_one_record+0x46f/0x710 [ 9.537361][ T180] ? console_emit_next_record+0x4c0/0x4c0 [ 9.537363][ T180] ? __lock_acquire+0x518/0xc20 [ 9.537372][ T180] console_unlock+0xee/0x1f0 [ 9.537376][ T180] ? console_flush_one_record+0x710/0x710 [ 9.537379][ T180] ? rcu_is_watching+0x16/0xd0 [ 9.537382][ T180] ? lock_acquire+0x60/0x160 [ 9.537389][ T180] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.537391][ T180] ? vprintk_emit+0x320/0x3e0 [ 9.537396][ T180] vprintk_emit+0x37c/0x3e0 [ 9.537402][ T180] ? wake_up_klogd_work_func+0x90/0x90 [ 9.537408][ T180] ? __lock_acquire+0x518/0xc20 [ 9.537414][ T180] _printk+0xc7/0x100 [ 9.537419][ T180] ? snapshot_read.cold+0x21/0x21 [ 9.537424][ T180] ? do_raw_spin_lock+0x131/0x280 [ 9.537428][ T180] ? __rwlock_init+0x150/0x150 [ 9.537434][ T180] ? do_raw_spin_lock+0x131/0x280 [ 9.537438][ T180] do_exit.cold+0x82/0x9c [ 9.537444][ T180] ? exit_notify+0x890/0x890 [ 9.537446][ T180] ? __lock_release.isra.0+0x69/0x1a0 [ 9.537450][ T180] ? rcu_is_watching+0x16/0xd0 [ 9.537457][ T180] do_group_exit+0xb8/0x370 [ 9.537463][ T180] __x64_sys_exit_group+0x3c/0x50 [ 9.537466][ T180] x64_sys_call+0x1567/0x1570 [ 9.537469][ T180] do_syscall_64+0xff/0x530 [ 9.537474][ T180] ? exc_page_fault+0xee/0x100 [ 9.537479][ T180] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.537482][ T180] RIP: 0033:0x7f28114e41b8 [ 9.537486][ T180] Code: Unable to access opcode bytes at 0x7f28114e418e. [ 9.537488][ T180] RSP: 002b:00007fff9d747c98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.537491][ T180] RAX: ffffffffffffffda RBX: 00007f2811614f88 RCX: 00007f28114e41b8 [ 9.537493][ T180] RDX: 00007f281122efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.537494][ T180] RBP: 00007fff9d747cf0 R08: 0000000000000000 R09: 0000000000000050 [ 9.537496][ T180] R10: 00007fff9d747ab0 R11: 0000000000000246 R12: 0000000000000001 [ 9.537498][ T180] R13: 0000000000000000 R14: 00007f2811613680 R15: 00007f2811614fa0 [ 9.537511][ T180] [ 21.671322][ T537] mptcp_connect (537) used greatest stack depth: 23872 bytes left [ 21.671342][ T537] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.671345][ T537] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 537, name: mptcp_connect [ 21.671346][ T537] preempt_count: 2, expected: 0 [ 21.671347][ T537] RCU nest depth: 0, expected: 0 [ 21.671348][ T537] locks held by mptcp_connect/537: 5, last CPU#2: [ 21.671351][ T537] #0: ffffffff906267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 21.671363][ T537] #1: ffffffff9078dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.671369][ T537] #2: ffffffff9078dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.671373][ T537] #3: ffffffff906ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.671377][ T537] #4: ffffffff906ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 21.671381][ T537] irq event stamp: 63844 [ 21.671382][ T537] hardirqs last enabled at (63843): [] __down_trylock_console_sem+0x86/0xa0 [ 21.671384][ T537] hardirqs last disabled at (63844): [] console_emit_next_record+0x3d4/0x4c0 [ 21.671386][ T537] softirqs last enabled at (63466): [] handle_softirqs+0x67c/0x900 [ 21.671388][ T537] softirqs last disabled at (62925): [] __irq_exit_rcu+0x145/0x1c0 [ 21.671390][ T537] Preemption disabled at: [ 21.671391][ T537] [<0000000000000000>] 0x0 [ 21.671397][ T537] CPU: 2 UID: 0 PID: 537 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.671401][ T537] Tainted: [W]=WARN [ 21.671402][ T537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.671403][ T537] Call Trace: [ 21.671405][ T537] [ 21.671407][ T537] dump_stack_lvl+0x6f/0xa0 [ 21.671413][ T537] __might_resched.cold+0x1fe/0x2c1 [ 21.671418][ T537] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.671422][ T537] ? __kmalloc_noprof+0xdb/0x760 [ 21.671427][ T537] __kmalloc_noprof+0x443/0x760 [ 21.671429][ T537] ? alloc_buf.isra.0+0x4b/0x260 [ 21.671435][ T537] ? do_raw_spin_unlock+0x59/0x250 [ 21.671438][ T537] alloc_buf.isra.0+0x4b/0x260 [ 21.671441][ T537] put_chars+0x1e1/0x2f0 [ 21.671445][ T537] ? __send_to_port+0x420/0x420 [ 21.671447][ T537] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.671451][ T537] ? validate_chain+0x38b/0xc20 [ 21.671457][ T537] hvc_console_print+0x292/0x780 [ 21.671464][ T537] ? hvc_write+0x3a0/0x3a0 [ 21.671467][ T537] ? rcu_is_watching+0x16/0xd0 [ 21.671469][ T537] ? lock_acquire+0x13c/0x160 [ 21.671473][ T537] console_emit_next_record+0x22f/0x4c0 [ 21.671477][ T537] ? devkmsg_read+0x4b0/0x4b0 [ 21.671478][ T537] ? console_flush_one_record+0x106/0x710 [ 21.671481][ T537] ? rcu_is_watching+0x16/0xd0 [ 21.671484][ T537] ? lock_acquire+0x13c/0x160 [ 21.671487][ T537] console_flush_one_record+0x46f/0x710 [ 21.671491][ T537] ? console_emit_next_record+0x4c0/0x4c0 [ 21.671493][ T537] ? __lock_acquire+0x518/0xc20 [ 21.671498][ T537] console_unlock+0xee/0x1f0 [ 21.671501][ T537] ? console_flush_one_record+0x710/0x710 [ 21.671503][ T537] ? rcu_is_watching+0x16/0xd0 [ 21.671505][ T537] ? lock_acquire+0x60/0x160 [ 21.671508][ T537] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.671510][ T537] ? vprintk_emit+0x320/0x3e0 [ 21.671513][ T537] vprintk_emit+0x37c/0x3e0 [ 21.671517][ T537] ? wake_up_klogd_work_func+0x90/0x90 [ 21.671518][ T537] ? do_raw_spin_unlock+0x59/0x250 [ 21.671521][ T537] ? __lock_acquire+0x518/0xc20 [ 21.671525][ T537] _printk+0xc7/0x100 [ 21.671529][ T537] ? snapshot_read.cold+0x21/0x21 [ 21.671531][ T537] ? do_raw_spin_lock+0x131/0x280 [ 21.671534][ T537] ? __rwlock_init+0x150/0x150 [ 21.671538][ T537] ? do_raw_spin_lock+0x131/0x280 [ 21.671540][ T537] do_exit.cold+0x82/0x9c [ 21.671544][ T537] ? exit_notify+0x890/0x890 [ 21.671546][ T537] ? __lock_release.isra.0+0x69/0x1a0 [ 21.671548][ T537] ? rcu_is_watching+0x16/0xd0 [ 21.671552][ T537] do_group_exit+0xb8/0x370 [ 21.671556][ T537] __x64_sys_exit_group+0x3c/0x50 [ 21.671558][ T537] x64_sys_call+0x1567/0x1570 [ 21.671560][ T537] do_syscall_64+0xff/0x530 [ 21.671564][ T537] ? exc_page_fault+0xee/0x100 [ 21.671567][ T537] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 21.671570][ T537] RIP: 0033:0x7f8a0c9201b8 [ 21.671572][ T537] Code: Unable to access opcode bytes at 0x7f8a0c92018e. [ 21.671573][ T537] RSP: 002b:00007ffe06ed5ef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 21.671576][ T537] RAX: ffffffffffffffda RBX: 00007f8a0ca50f88 RCX: 00007f8a0c9201b8 [ 21.671577][ T537] RDX: 00007f8a0c85da48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 21.671578][ T537] RBP: 00007ffe06ed5f50 R08: 0000000000000000 R09: 0000000000000000 [ 21.671579][ T537] R10: 00007ffe06ed5d90 R11: 0000000000000246 R12: 0000000000000001 [ 21.671579][ T537] R13: 0000000000000000 R14: 00007f8a0ca4f680 R15: 00007f8a0ca50fa0 [ 21.671586][ T537]