[ 9.657739][ T203] sysctl (203) used greatest stack depth: 24608 bytes left [ 9.657755][ T203] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.657757][ T203] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 203, name: sysctl [ 9.657759][ T203] preempt_count: 2, expected: 0 [ 9.657759][ T203] RCU nest depth: 0, expected: 0 [ 9.657760][ T203] locks held by sysctl/203: 5, last CPU#0: [ 9.657762][ T203] #0: ffffffff872267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.657775][ T203] #1: ffffffff8738dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.657780][ T203] #2: ffffffff8738dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.657784][ T203] #3: ffffffff872ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.657787][ T203] #4: ffffffff872ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.657791][ T203] irq event stamp: 26256 [ 9.657792][ T203] hardirqs last enabled at (26255): [] __down_trylock_console_sem+0x86/0xa0 [ 9.657794][ T203] hardirqs last disabled at (26256): [] console_emit_next_record+0x3d4/0x4c0 [ 9.657796][ T203] softirqs last enabled at (22610): [] handle_softirqs+0x67c/0x900 [ 9.657797][ T203] softirqs last disabled at (21363): [] __irq_exit_rcu+0x145/0x1c0 [ 9.657799][ T203] Preemption disabled at: [ 9.657806][ T203] [<0000000000000000>] 0x0 [ 9.657813][ T203] CPU: 0 UID: 0 PID: 203 Comm: sysctl Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.657816][ T203] Tainted: [W]=WARN [ 9.657817][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.657818][ T203] Call Trace: [ 9.657820][ T203] [ 9.657821][ T203] dump_stack_lvl+0x6f/0xa0 [ 9.657828][ T203] __might_resched.cold+0x1fe/0x2c1 [ 9.657832][ T203] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.657836][ T203] ? __kmalloc_noprof+0xdb/0x760 [ 9.657841][ T203] __kmalloc_noprof+0x443/0x760 [ 9.657843][ T203] ? alloc_buf.isra.0+0x4b/0x260 [ 9.657849][ T203] ? do_raw_spin_unlock+0x59/0x250 [ 9.657851][ T203] alloc_buf.isra.0+0x4b/0x260 [ 9.657855][ T203] put_chars+0x1e1/0x2f0 [ 9.657858][ T203] ? __send_to_port+0x420/0x420 [ 9.657860][ T203] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.657864][ T203] ? validate_chain+0x38b/0xc20 [ 9.657870][ T203] hvc_console_print+0x292/0x780 [ 9.657877][ T203] ? hvc_write+0x3a0/0x3a0 [ 9.657879][ T203] ? rcu_is_watching+0x16/0xd0 [ 9.657881][ T203] ? lock_acquire+0x13c/0x160 [ 9.657885][ T203] console_emit_next_record+0x22f/0x4c0 [ 9.657888][ T203] ? devkmsg_read+0x4b0/0x4b0 [ 9.657890][ T203] ? console_flush_one_record+0x106/0x710 [ 9.657893][ T203] ? rcu_is_watching+0x16/0xd0 [ 9.657895][ T203] ? lock_acquire+0x13c/0x160 [ 9.657898][ T203] console_flush_one_record+0x46f/0x710 [ 9.657902][ T203] ? console_emit_next_record+0x4c0/0x4c0 [ 9.657904][ T203] ? __lock_acquire+0x518/0xc20 [ 9.657909][ T203] console_unlock+0xee/0x1f0 [ 9.657911][ T203] ? console_flush_one_record+0x710/0x710 [ 9.657913][ T203] ? rcu_is_watching+0x16/0xd0 [ 9.657915][ T203] ? lock_acquire+0x60/0x160 [ 9.657918][ T203] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.657919][ T203] ? vprintk_emit+0x320/0x3e0 [ 9.657922][ T203] vprintk_emit+0x37c/0x3e0 [ 9.657926][ T203] ? wake_up_klogd_work_func+0x90/0x90 [ 9.657929][ T203] ? __lock_acquire+0x518/0xc20 [ 9.657932][ T203] _printk+0xc7/0x100 [ 9.657936][ T203] ? snapshot_read.cold+0x21/0x21 [ 9.657938][ T203] ? do_raw_spin_lock+0x131/0x280 [ 9.657941][ T203] ? __rwlock_init+0x150/0x150 [ 9.657944][ T203] ? do_raw_spin_lock+0x131/0x280 [ 9.657947][ T203] do_exit.cold+0x82/0x9c [ 9.657950][ T203] ? exit_notify+0x890/0x890 [ 9.657952][ T203] ? __lock_release.isra.0+0x69/0x1a0 [ 9.657954][ T203] ? rcu_is_watching+0x16/0xd0 [ 9.657958][ T203] do_group_exit+0xb8/0x370 [ 9.657961][ T203] __x64_sys_exit_group+0x3c/0x50 [ 9.657964][ T203] x64_sys_call+0x1567/0x1570 [ 9.657965][ T203] do_syscall_64+0xff/0x530 [ 9.657969][ T203] ? exc_page_fault+0xee/0x100 [ 9.657972][ T203] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.657974][ T203] RIP: 0033:0x7fe62c6161b8 [ 9.657976][ T203] Code: Unable to access opcode bytes at 0x7fe62c61618e. [ 9.657978][ T203] RSP: 002b:00007ffcc7291218 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.657980][ T203] RAX: ffffffffffffffda RBX: 00007fe62c746f88 RCX: 00007fe62c6161b8 [ 9.657981][ T203] RDX: 00007fe62c553a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 9.657982][ T203] RBP: 00007ffcc7291270 R08: 0000000000000000 R09: 0000000000000020 [ 9.657983][ T203] R10: 00007ffcc72910b0 R11: 0000000000000246 R12: 0000000000000002 [ 9.657984][ T203] R13: 0000000000000000 R14: 00007fe62c745680 R15: 00007fe62c746fa0 [ 9.657990][ T203] [ 9.893997][ T208] ip (208) used greatest stack depth: 23920 bytes left [ 17.649921][ T499] mptcp_connect (499) used greatest stack depth: 23856 bytes left [ 17.649937][ T499] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.649939][ T499] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 499, name: mptcp_connect [ 17.649941][ T499] preempt_count: 2, expected: 0 [ 17.649941][ T499] RCU nest depth: 0, expected: 0 [ 17.649942][ T499] locks held by mptcp_connect/499: 5, last CPU#0: [ 17.649944][ T499] #0: ffffffff872267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 17.649956][ T499] #1: ffffffff8738dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.649961][ T499] #2: ffffffff8738dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.649965][ T499] #3: ffffffff872ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.649969][ T499] #4: ffffffff872ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.649973][ T499] irq event stamp: 73622 [ 17.649973][ T499] hardirqs last enabled at (73621): [] __down_trylock_console_sem+0x86/0xa0 [ 17.649976][ T499] hardirqs last disabled at (73622): [] console_emit_next_record+0x3d4/0x4c0 [ 17.649978][ T499] softirqs last enabled at (72998): [] handle_softirqs+0x67c/0x900 [ 17.649979][ T499] softirqs last disabled at (72991): [] __irq_exit_rcu+0x145/0x1c0 [ 17.649982][ T499] Preemption disabled at: [ 17.649982][ T499] [<0000000000000000>] 0x0 [ 17.649989][ T499] CPU: 0 UID: 0 PID: 499 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.649993][ T499] Tainted: [W]=WARN [ 17.649993][ T499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.649995][ T499] Call Trace: [ 17.649996][ T499] [ 17.649998][ T499] dump_stack_lvl+0x6f/0xa0 [ 17.650004][ T499] __might_resched.cold+0x1fe/0x2c1 [ 17.650009][ T499] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.650013][ T499] ? __kmalloc_noprof+0xdb/0x760 [ 17.650017][ T499] __kmalloc_noprof+0x443/0x760 [ 17.650019][ T499] ? alloc_buf.isra.0+0x4b/0x260 [ 17.650026][ T499] ? do_raw_spin_unlock+0x59/0x250 [ 17.650028][ T499] alloc_buf.isra.0+0x4b/0x260 [ 17.650032][ T499] put_chars+0x1e1/0x2f0 [ 17.650035][ T499] ? __send_to_port+0x420/0x420 [ 17.650037][ T499] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.650042][ T499] ? validate_chain+0x38b/0xc20 [ 17.650047][ T499] hvc_console_print+0x292/0x780 [ 17.650054][ T499] ? hvc_write+0x3a0/0x3a0 [ 17.650056][ T499] ? rcu_is_watching+0x16/0xd0 [ 17.650059][ T499] ? lock_acquire+0x13c/0x160 [ 17.650062][ T499] console_emit_next_record+0x22f/0x4c0 [ 17.650066][ T499] ? devkmsg_read+0x4b0/0x4b0 [ 17.650067][ T499] ? console_flush_one_record+0x106/0x710 [ 17.650070][ T499] ? rcu_is_watching+0x16/0xd0 [ 17.650072][ T499] ? lock_acquire+0x13c/0x160 [ 17.650076][ T499] console_flush_one_record+0x46f/0x710 [ 17.650080][ T499] ? console_emit_next_record+0x4c0/0x4c0 [ 17.650081][ T499] ? __lock_acquire+0x518/0xc20 [ 17.650086][ T499] console_unlock+0xee/0x1f0 [ 17.650089][ T499] ? console_flush_one_record+0x710/0x710 [ 17.650090][ T499] ? rcu_is_watching+0x16/0xd0 [ 17.650092][ T499] ? lock_acquire+0x60/0x160 [ 17.650096][ T499] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.650097][ T499] ? vprintk_emit+0x320/0x3e0 [ 17.650100][ T499] vprintk_emit+0x37c/0x3e0 [ 17.650104][ T499] ? wake_up_klogd_work_func+0x90/0x90 [ 17.650107][ T499] ? __lock_acquire+0x518/0xc20 [ 17.650110][ T499] _printk+0xc7/0x100 [ 17.650115][ T499] ? snapshot_read.cold+0x21/0x21 [ 17.650118][ T499] ? do_raw_spin_lock+0x131/0x280 [ 17.650120][ T499] ? __rwlock_init+0x150/0x150 [ 17.650124][ T499] ? do_raw_spin_lock+0x131/0x280 [ 17.650126][ T499] do_exit.cold+0x82/0x9c [ 17.650130][ T499] ? exit_notify+0x890/0x890 [ 17.650131][ T499] ? __lock_release.isra.0+0x69/0x1a0 [ 17.650134][ T499] ? rcu_is_watching+0x16/0xd0 [ 17.650138][ T499] do_group_exit+0xb8/0x370 [ 17.650141][ T499] __x64_sys_exit_group+0x3c/0x50 [ 17.650143][ T499] x64_sys_call+0x1567/0x1570 [ 17.650145][ T499] do_syscall_64+0xff/0x530 [ 17.650148][ T499] ? exc_page_fault+0xee/0x100 [ 17.650152][ T499] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.650154][ T499] RIP: 0033:0x7f3460a321b8 [ 17.650156][ T499] Code: Unable to access opcode bytes at 0x7f3460a3218e. [ 17.650157][ T499] RSP: 002b:00007fff18841b08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.650159][ T499] RAX: ffffffffffffffda RBX: 00007f3460b62f88 RCX: 00007f3460a321b8 [ 17.650161][ T499] RDX: 00007f346096fa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 17.650162][ T499] RBP: 00007fff18841b60 R08: 0000000000000000 R09: 0000000000000000 [ 17.650162][ T499] R10: 00007fff188419a0 R11: 0000000000000246 R12: 0000000000000001 [ 17.650163][ T499] R13: 0000000000000000 R14: 00007f3460b61680 R15: 00007f3460b62fa0 [ 17.650170][ T499] [ 17.724217][ T509] ps (509) used greatest stack depth: 23808 bytes left [ 171.344885][ T1838] grep (1838) used greatest stack depth: 23712 bytes left [ 171.344900][ T1838] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 171.344902][ T1838] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1838, name: grep [ 171.344904][ T1838] preempt_count: 2, expected: 0 [ 171.344904][ T1838] RCU nest depth: 0, expected: 0 [ 171.344905][ T1838] locks held by grep/1838: 5, last CPU#0: [ 171.344907][ T1838] #0: ffffffff872267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 171.344919][ T1838] #1: ffffffff8738dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 171.344925][ T1838] #2: ffffffff8738dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 171.344929][ T1838] #3: ffffffff872ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 171.344932][ T1838] #4: ffffffff872ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 171.344936][ T1838] irq event stamp: 11586 [ 171.344937][ T1838] hardirqs last enabled at (11585): [] __down_trylock_console_sem+0x86/0xa0 [ 171.344939][ T1838] hardirqs last disabled at (11586): [] console_emit_next_record+0x3d4/0x4c0 [ 171.344941][ T1838] softirqs last enabled at (9624): [] handle_softirqs+0x67c/0x900 [ 171.344944][ T1838] softirqs last disabled at (9617): [] __irq_exit_rcu+0x145/0x1c0 [ 171.344946][ T1838] Preemption disabled at: [ 171.344946][ T1838] [<0000000000000000>] 0x0 [ 171.344953][ T1838] CPU: 0 UID: 0 PID: 1838 Comm: grep Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 171.344957][ T1838] Tainted: [W]=WARN [ 171.344958][ T1838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 171.344960][ T1838] Call Trace: [ 171.344961][ T1838] [ 171.344963][ T1838] dump_stack_lvl+0x6f/0xa0 [ 171.344969][ T1838] __might_resched.cold+0x1fe/0x2c1 [ 171.344974][ T1838] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 171.344978][ T1838] ? __kmalloc_noprof+0xdb/0x760 [ 171.344983][ T1838] __kmalloc_noprof+0x443/0x760 [ 171.344985][ T1838] ? alloc_buf.isra.0+0x4b/0x260 [ 171.344991][ T1838] ? do_raw_spin_unlock+0x59/0x250 [ 171.344994][ T1838] alloc_buf.isra.0+0x4b/0x260 [ 171.344998][ T1838] put_chars+0x1e1/0x2f0 [ 171.345001][ T1838] ? __send_to_port+0x420/0x420 [ 171.345003][ T1838] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 171.345007][ T1838] ? validate_chain+0x38b/0xc20 [ 171.345013][ T1838] hvc_console_print+0x292/0x780 [ 171.345020][ T1838] ? hvc_write+0x3a0/0x3a0 [ 171.345022][ T1838] ? rcu_is_watching+0x16/0xd0 [ 171.345024][ T1838] ? lock_acquire+0x13c/0x160 [ 171.345028][ T1838] console_emit_next_record+0x22f/0x4c0 [ 171.345032][ T1838] ? devkmsg_read+0x4b0/0x4b0 [ 171.345033][ T1838] ? console_flush_one_record+0x106/0x710 [ 171.345036][ T1838] ? rcu_is_watching+0x16/0xd0 [ 171.345038][ T1838] ? lock_acquire+0x13c/0x160 [ 171.345042][ T1838] console_flush_one_record+0x46f/0x710 [ 171.345046][ T1838] ? console_emit_next_record+0x4c0/0x4c0 [ 171.345048][ T1838] ? __lock_acquire+0x518/0xc20 [ 171.345052][ T1838] console_unlock+0xee/0x1f0 [ 171.345055][ T1838] ? console_flush_one_record+0x710/0x710 [ 171.345056][ T1838] ? rcu_is_watching+0x16/0xd0 [ 171.345059][ T1838] ? lock_acquire+0x60/0x160 [ 171.345062][ T1838] ? __down_trylock_console_sem+0x5e/0xa0 [ 171.345064][ T1838] ? vprintk_emit+0x320/0x3e0 [ 171.345067][ T1838] vprintk_emit+0x37c/0x3e0 [ 171.345070][ T1838] ? wake_up_klogd_work_func+0x90/0x90 [ 171.345073][ T1838] ? __lock_acquire+0x518/0xc20 [ 171.345077][ T1838] _printk+0xc7/0x100 [ 171.345080][ T1838] ? snapshot_read.cold+0x21/0x21 [ 171.345083][ T1838] ? do_raw_spin_lock+0x131/0x280 [ 171.345086][ T1838] ? __rwlock_init+0x150/0x150 [ 171.345089][ T1838] ? do_raw_spin_lock+0x131/0x280 [ 171.345092][ T1838] do_exit.cold+0x82/0x9c [ 171.345095][ T1838] ? exit_notify+0x890/0x890 [ 171.345097][ T1838] ? __lock_release.isra.0+0x69/0x1a0 [ 171.345100][ T1838] ? rcu_is_watching+0x16/0xd0 [ 171.345103][ T1838] do_group_exit+0xb8/0x370 [ 171.345107][ T1838] __x64_sys_exit_group+0x3c/0x50 [ 171.345109][ T1838] x64_sys_call+0x1567/0x1570 [ 171.345111][ T1838] do_syscall_64+0xff/0x530 [ 171.345114][ T1838] ? exc_page_fault+0xee/0x100 [ 171.345118][ T1838] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 171.345120][ T1838] RIP: 0033:0x7f44263781b8 [ 171.345122][ T1838] Code: Unable to access opcode bytes at 0x7f442637818e. [ 171.345123][ T1838] RSP: 002b:00007ffd5643ec98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 171.345126][ T1838] RAX: ffffffffffffffda RBX: 00007f44264a8f88 RCX: 00007f44263781b8 [ 171.345127][ T1838] RDX: 00007f44262b6e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 171.345128][ T1838] RBP: 00007ffd5643ecf0 R08: 0000000000000000 R09: 0000000000001010 [ 171.345129][ T1838] R10: 00007ffd5643eb30 R11: 0000000000000246 R12: 0000000000000002 [ 171.345129][ T1838] R13: 0000000000000000 R14: 00007f44264a7680 R15: 00007f44264a8fa0 [ 171.345136][ T1838] [ 183.788100][ T1962] mptcp_connect (1962) used greatest stack depth: 23352 bytes left [ 183.788120][ T1962] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 183.788123][ T1962] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1962, name: mptcp_connect [ 183.788125][ T1962] preempt_count: 2, expected: 0 [ 183.788126][ T1962] RCU nest depth: 0, expected: 0 [ 183.788126][ T1962] locks held by mptcp_connect/1962: 5, last CPU#2: [ 183.788128][ T1962] #0: ffffffff872267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 183.788141][ T1962] #1: ffffffff8738dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 183.788147][ T1962] #2: ffffffff8738dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 183.788150][ T1962] #3: ffffffff872ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 183.788154][ T1962] #4: ffffffff872ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 183.788158][ T1962] irq event stamp: 601162 [ 183.788158][ T1962] hardirqs last enabled at (601161): [] __down_trylock_console_sem+0x86/0xa0 [ 183.788161][ T1962] hardirqs last disabled at (601162): [] console_emit_next_record+0x3d4/0x4c0 [ 183.788162][ T1962] softirqs last enabled at (599172): [] handle_softirqs+0x67c/0x900 [ 183.788164][ T1962] softirqs last disabled at (599163): [] __irq_exit_rcu+0x145/0x1c0 [ 183.788166][ T1962] Preemption disabled at: [ 183.788167][ T1962] [<0000000000000000>] 0x0 [ 183.788174][ T1962] CPU: 2 UID: 0 PID: 1962 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 183.788178][ T1962] Tainted: [W]=WARN [ 183.788179][ T1962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 183.788180][ T1962] Call Trace: [ 183.788182][ T1962] [ 183.788183][ T1962] dump_stack_lvl+0x6f/0xa0 [ 183.788189][ T1962] __might_resched.cold+0x1fe/0x2c1 [ 183.788193][ T1962] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 183.788197][ T1962] ? __kmalloc_noprof+0xdb/0x760 [ 183.788206][ T1962] __kmalloc_noprof+0x443/0x760 [ 183.788208][ T1962] ? alloc_buf.isra.0+0x4b/0x260 [ 183.788214][ T1962] ? do_raw_spin_unlock+0x59/0x250 [ 183.788217][ T1962] alloc_buf.isra.0+0x4b/0x260 [ 183.788220][ T1962] put_chars+0x1e1/0x2f0 [ 183.788223][ T1962] ? __send_to_port+0x420/0x420 [ 183.788225][ T1962] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 183.788230][ T1962] ? validate_chain+0x38b/0xc20 [ 183.788235][ T1962] hvc_console_print+0x292/0x780 [ 183.788242][ T1962] ? hvc_write+0x3a0/0x3a0 [ 183.788245][ T1962] ? rcu_is_watching+0x16/0xd0 [ 183.788247][ T1962] ? lock_acquire+0x13c/0x160 [ 183.788251][ T1962] console_emit_next_record+0x22f/0x4c0 [ 183.788254][ T1962] ? devkmsg_read+0x4b0/0x4b0 [ 183.788256][ T1962] ? console_flush_one_record+0x106/0x710 [ 183.788259][ T1962] ? rcu_is_watching+0x16/0xd0 [ 183.788261][ T1962] ? lock_acquire+0x13c/0x160 [ 183.788264][ T1962] console_flush_one_record+0x46f/0x710 [ 183.788268][ T1962] ? console_emit_next_record+0x4c0/0x4c0 [ 183.788270][ T1962] ? __lock_acquire+0x518/0xc20 [ 183.788274][ T1962] console_unlock+0xee/0x1f0 [ 183.788277][ T1962] ? console_flush_one_record+0x710/0x710 [ 183.788278][ T1962] ? rcu_is_watching+0x16/0xd0 [ 183.788281][ T1962] ? lock_acquire+0x60/0x160 [ 183.788284][ T1962] ? __down_trylock_console_sem+0x5e/0xa0 [ 183.788285][ T1962] ? vprintk_emit+0x320/0x3e0 [ 183.788288][ T1962] vprintk_emit+0x37c/0x3e0 [ 183.788292][ T1962] ? wake_up_klogd_work_func+0x90/0x90 [ 183.788294][ T1962] ? do_raw_spin_unlock+0x59/0x250 [ 183.788296][ T1962] ? __lock_acquire+0x518/0xc20 [ 183.788300][ T1962] _printk+0xc7/0x100 [ 183.788303][ T1962] ? snapshot_read.cold+0x21/0x21 [ 183.788306][ T1962] ? do_raw_spin_lock+0x131/0x280 [ 183.788308][ T1962] ? __rwlock_init+0x150/0x150 [ 183.788312][ T1962] ? do_raw_spin_lock+0x131/0x280 [ 183.788314][ T1962] do_exit.cold+0x82/0x9c [ 183.788318][ T1962] ? exit_notify+0x890/0x890 [ 183.788320][ T1962] ? __lock_release.isra.0+0x69/0x1a0 [ 183.788322][ T1962] ? rcu_is_watching+0x16/0xd0 [ 183.788326][ T1962] do_group_exit+0xb8/0x370 [ 183.788329][ T1962] __x64_sys_exit_group+0x3c/0x50 [ 183.788332][ T1962] x64_sys_call+0x1567/0x1570 [ 183.788334][ T1962] do_syscall_64+0xff/0x530 [ 183.788337][ T1962] ? exc_page_fault+0xee/0x100 [ 183.788340][ T1962] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 183.788343][ T1962] RIP: 0033:0x7fea2cb221b8 [ 183.788345][ T1962] Code: Unable to access opcode bytes at 0x7fea2cb2218e. [ 183.788346][ T1962] RSP: 002b:00007fff7f9ac948 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 183.788348][ T1962] RAX: ffffffffffffffda RBX: 00007fea2cc52f88 RCX: 00007fea2cb221b8 [ 183.788350][ T1962] RDX: 00007fea2ca5fa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 183.788351][ T1962] RBP: 00007fff7f9ac9a0 R08: 0000000000000000 R09: 0000000000000000 [ 183.788351][ T1962] R10: 00007fff7f9ac7e0 R11: 0000000000000246 R12: 0000000000000001 [ 183.788352][ T1962] R13: 0000000000000000 R14: 00007fea2cc51680 R15: 00007fea2cc52fa0 [ 183.788359][ T1962] [ 192.633258][ T2056] mptcp_connect (2056) used greatest stack depth: 23336 bytes left [ 192.633277][ T2056] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 192.633280][ T2056] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2056, name: mptcp_connect [ 192.633281][ T2056] preempt_count: 2, expected: 0 [ 192.633282][ T2056] RCU nest depth: 0, expected: 0 [ 192.633283][ T2056] locks held by mptcp_connect/2056: 5, last CPU#1: [ 192.633285][ T2056] #0: ffffffff872267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 192.633297][ T2056] #1: ffffffff8738dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 192.633303][ T2056] #2: ffffffff8738dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 192.633307][ T2056] #3: ffffffff872ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 192.633310][ T2056] #4: ffffffff872ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 192.633314][ T2056] irq event stamp: 553712 [ 192.633315][ T2056] hardirqs last enabled at (553711): [] __down_trylock_console_sem+0x86/0xa0 [ 192.633317][ T2056] hardirqs last disabled at (553712): [] console_emit_next_record+0x3d4/0x4c0 [ 192.633319][ T2056] softirqs last enabled at (553642): [] handle_softirqs+0x67c/0x900 [ 192.633321][ T2056] softirqs last disabled at (553637): [] __irq_exit_rcu+0x145/0x1c0 [ 192.633323][ T2056] Preemption disabled at: [ 192.633323][ T2056] [<0000000000000000>] 0x0 [ 192.633330][ T2056] CPU: 1 UID: 0 PID: 2056 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 192.633334][ T2056] Tainted: [W]=WARN [ 192.633335][ T2056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 192.633336][ T2056] Call Trace: [ 192.633338][ T2056] [ 192.633339][ T2056] dump_stack_lvl+0x6f/0xa0 [ 192.633345][ T2056] __might_resched.cold+0x1fe/0x2c1 [ 192.633350][ T2056] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 192.633354][ T2056] ? __kmalloc_noprof+0xdb/0x760 [ 192.633358][ T2056] __kmalloc_noprof+0x443/0x760 [ 192.633361][ T2056] ? alloc_buf.isra.0+0x4b/0x260 [ 192.633367][ T2056] ? do_raw_spin_unlock+0x59/0x250 [ 192.633369][ T2056] alloc_buf.isra.0+0x4b/0x260 [ 192.633373][ T2056] put_chars+0x1e1/0x2f0 [ 192.633376][ T2056] ? __send_to_port+0x420/0x420 [ 192.633378][ T2056] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 192.633383][ T2056] ? validate_chain+0x38b/0xc20 [ 192.633388][ T2056] hvc_console_print+0x292/0x780 [ 192.633395][ T2056] ? hvc_write+0x3a0/0x3a0 [ 192.633397][ T2056] ? rcu_is_watching+0x16/0xd0 [ 192.633400][ T2056] ? lock_acquire+0x13c/0x160 [ 192.633410][ T2056] console_emit_next_record+0x22f/0x4c0 [ 192.633414][ T2056] ? devkmsg_read+0x4b0/0x4b0 [ 192.633415][ T2056] ? console_flush_one_record+0x106/0x710 [ 192.633418][ T2056] ? rcu_is_watching+0x16/0xd0 [ 192.633420][ T2056] ? lock_acquire+0x13c/0x160 [ 192.633424][ T2056] console_flush_one_record+0x46f/0x710 [ 192.633427][ T2056] ? console_emit_next_record+0x4c0/0x4c0 [ 192.633429][ T2056] ? __lock_acquire+0x518/0xc20 [ 192.633434][ T2056] console_unlock+0xee/0x1f0 [ 192.633436][ T2056] ? console_flush_one_record+0x710/0x710 [ 192.633438][ T2056] ? rcu_is_watching+0x16/0xd0 [ 192.633440][ T2056] ? lock_acquire+0x60/0x160 [ 192.633443][ T2056] ? __down_trylock_console_sem+0x5e/0xa0 [ 192.633445][ T2056] ? vprintk_emit+0x320/0x3e0 [ 192.633448][ T2056] vprintk_emit+0x37c/0x3e0 [ 192.633451][ T2056] ? wake_up_klogd_work_func+0x90/0x90 [ 192.633453][ T2056] ? do_raw_spin_unlock+0x59/0x250 [ 192.633456][ T2056] ? __lock_acquire+0x518/0xc20 [ 192.633459][ T2056] _printk+0xc7/0x100 [ 192.633462][ T2056] ? snapshot_read.cold+0x21/0x21 [ 192.633465][ T2056] ? do_raw_spin_lock+0x131/0x280 [ 192.633467][ T2056] ? __rwlock_init+0x150/0x150 [ 192.633471][ T2056] ? do_raw_spin_lock+0x131/0x280 [ 192.633473][ T2056] do_exit.cold+0x82/0x9c [ 192.633477][ T2056] ? exit_notify+0x890/0x890 [ 192.633479][ T2056] ? __lock_release.isra.0+0x69/0x1a0 [ 192.633481][ T2056] ? rcu_is_watching+0x16/0xd0 [ 192.633485][ T2056] do_group_exit+0xb8/0x370 [ 192.633488][ T2056] __x64_sys_exit_group+0x3c/0x50 [ 192.633490][ T2056] x64_sys_call+0x1567/0x1570 [ 192.633492][ T2056] do_syscall_64+0xff/0x530 [ 192.633495][ T2056] ? exc_page_fault+0xee/0x100 [ 192.633499][ T2056] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 192.633501][ T2056] RIP: 0033:0x7f0c62fa01b8 [ 192.633503][ T2056] Code: Unable to access opcode bytes at 0x7f0c62fa018e. [ 192.633505][ T2056] RSP: 002b:00007ffdf709f0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 192.633507][ T2056] RAX: ffffffffffffffda RBX: 00007f0c630d0f88 RCX: 00007f0c62fa01b8 [ 192.633508][ T2056] RDX: 00007f0c62edda48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 192.633509][ T2056] RBP: 00007ffdf709f140 R08: 0000000000000000 R09: 0000000000000000 [ 192.633510][ T2056] R10: 00007ffdf709ef80 R11: 0000000000000246 R12: 0000000000000001 [ 192.633511][ T2056] R13: 0000000000000000 R14: 00007f0c630cf680 R15: 00007f0c630d0fa0 [ 192.633517][ T2056]