[ 25.683928][ T826] mptcp_connect (826) used greatest stack depth: 22912 bytes left [ 25.683948][ T826] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 25.683950][ T826] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 826, name: mptcp_connect [ 25.683952][ T826] preempt_count: 2, expected: 0 [ 25.683953][ T826] RCU nest depth: 0, expected: 0 [ 25.683954][ T826] locks held by mptcp_connect/826: 5, last CPU#0: [ 25.683956][ T826] #0: ffffffff92a267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 25.683968][ T826] #1: ffffffff92b8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 25.683973][ T826] #2: ffffffff92b8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 25.683977][ T826] #3: ffffffff92aad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 25.683980][ T826] #4: ffffffff92aad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 25.683984][ T826] irq event stamp: 141840 [ 25.683985][ T826] hardirqs last enabled at (141839): [] __down_trylock_console_sem+0x86/0xa0 [ 25.683987][ T826] hardirqs last disabled at (141840): [] console_emit_next_record+0x3d4/0x4c0 [ 25.683989][ T826] softirqs last enabled at (141624): [] handle_softirqs+0x67c/0x900 [ 25.683991][ T826] softirqs last disabled at (141619): [] __irq_exit_rcu+0x145/0x1c0 [ 25.683993][ T826] Preemption disabled at: [ 25.683993][ T826] [<0000000000000000>] 0x0 [ 25.684000][ T826] CPU: 0 UID: 0 PID: 826 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.684004][ T826] Tainted: [W]=WARN [ 25.684005][ T826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.684006][ T826] Call Trace: [ 25.684008][ T826] [ 25.684009][ T826] dump_stack_lvl+0x6f/0xa0 [ 25.684015][ T826] __might_resched.cold+0x1fe/0x2c1 [ 25.684022][ T826] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 25.684026][ T826] ? __kmalloc_noprof+0xdb/0x760 [ 25.684030][ T826] __kmalloc_noprof+0x443/0x760 [ 25.684033][ T826] ? alloc_buf.isra.0+0x4b/0x260 [ 25.684039][ T826] ? do_raw_spin_unlock+0x59/0x250 [ 25.684041][ T826] alloc_buf.isra.0+0x4b/0x260 [ 25.684045][ T826] put_chars+0x1e1/0x2f0 [ 25.684048][ T826] ? __send_to_port+0x420/0x420 [ 25.684050][ T826] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.684055][ T826] ? validate_chain+0x38b/0xc20 [ 25.684060][ T826] hvc_console_print+0x292/0x780 [ 25.684067][ T826] ? hvc_write+0x3a0/0x3a0 [ 25.684070][ T826] ? rcu_is_watching+0x16/0xd0 [ 25.684072][ T826] ? lock_acquire+0x13c/0x160 [ 25.684076][ T826] console_emit_next_record+0x22f/0x4c0 [ 25.684079][ T826] ? devkmsg_read+0x4b0/0x4b0 [ 25.684081][ T826] ? console_flush_one_record+0x106/0x710 [ 25.684084][ T826] ? rcu_is_watching+0x16/0xd0 [ 25.684086][ T826] ? lock_acquire+0x13c/0x160 [ 25.684090][ T826] console_flush_one_record+0x46f/0x710 [ 25.684093][ T826] ? console_emit_next_record+0x4c0/0x4c0 [ 25.684095][ T826] ? __lock_acquire+0x518/0xc20 [ 25.684100][ T826] console_unlock+0xee/0x1f0 [ 25.684102][ T826] ? console_flush_one_record+0x710/0x710 [ 25.684104][ T826] ? rcu_is_watching+0x16/0xd0 [ 25.684106][ T826] ? lock_acquire+0x60/0x160 [ 25.684109][ T826] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.684111][ T826] ? vprintk_emit+0x320/0x3e0 [ 25.684114][ T826] vprintk_emit+0x37c/0x3e0 [ 25.684117][ T826] ? wake_up_klogd_work_func+0x90/0x90 [ 25.684119][ T826] ? do_raw_spin_unlock+0x59/0x250 [ 25.684122][ T826] ? __lock_acquire+0x518/0xc20 [ 25.684125][ T826] _printk+0xc7/0x100 [ 25.684128][ T826] ? snapshot_read.cold+0x21/0x21 [ 25.684131][ T826] ? do_raw_spin_lock+0x131/0x280 [ 25.684133][ T826] ? __rwlock_init+0x150/0x150 [ 25.684137][ T826] ? do_raw_spin_lock+0x131/0x280 [ 25.684139][ T826] do_exit.cold+0x82/0x9c [ 25.684143][ T826] ? exit_notify+0x890/0x890 [ 25.684145][ T826] ? __lock_release.isra.0+0x69/0x1a0 [ 25.684147][ T826] ? rcu_is_watching+0x16/0xd0 [ 25.684151][ T826] do_group_exit+0xb8/0x370 [ 25.684154][ T826] __x64_sys_exit_group+0x3c/0x50 [ 25.684157][ T826] x64_sys_call+0x1567/0x1570 [ 25.684158][ T826] do_syscall_64+0xff/0x530 [ 25.684162][ T826] ? exc_page_fault+0xee/0x100 [ 25.684165][ T826] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 25.684168][ T826] RIP: 0033:0x7f5557b1c1b8 [ 25.684170][ T826] Code: Unable to access opcode bytes at 0x7f5557b1c18e. [ 25.684171][ T826] RSP: 002b:00007fff9cd22c38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.684173][ T826] RAX: ffffffffffffffda RBX: 00007f5557c4cf88 RCX: 00007f5557b1c1b8 [ 25.684174][ T826] RDX: 00007f5557a59a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 25.684175][ T826] RBP: 00007fff9cd22c90 R08: 0000000000000000 R09: 0000000000000000 [ 25.684176][ T826] R10: 00007fff9cd22ad0 R11: 0000000000000246 R12: 0000000000000001 [ 25.684177][ T826] R13: 0000000000000000 R14: 00007f5557c4b680 R15: 00007f5557c4cfa0 [ 25.684184][ T826] [ 38.639832][ T1391] mptcp_connect (1391) used greatest stack depth: 22856 bytes left [ 38.639857][ T1391] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 38.639860][ T1391] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1391, name: mptcp_connect [ 38.639862][ T1391] preempt_count: 2, expected: 0 [ 38.639864][ T1391] RCU nest depth: 0, expected: 0 [ 38.639865][ T1391] locks held by mptcp_connect/1391: 5, last CPU#2: [ 38.639867][ T1391] #0: ffffffff92a267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 38.639882][ T1391] #1: ffffffff92b8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 38.639890][ T1391] #2: ffffffff92b8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 38.639896][ T1391] #3: ffffffff92aad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 38.639901][ T1391] #4: ffffffff92aad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 38.639907][ T1391] irq event stamp: 141036 [ 38.639908][ T1391] hardirqs last enabled at (141035): [] __down_trylock_console_sem+0x86/0xa0 [ 38.639912][ T1391] hardirqs last disabled at (141036): [] console_emit_next_record+0x3d4/0x4c0 [ 38.639914][ T1391] softirqs last enabled at (141010): [] handle_softirqs+0x67c/0x900 [ 38.639917][ T1391] softirqs last disabled at (141005): [] __irq_exit_rcu+0x145/0x1c0 [ 38.639920][ T1391] Preemption disabled at: [ 38.639921][ T1391] [<0000000000000000>] 0x0 [ 38.639929][ T1391] CPU: 2 UID: 0 PID: 1391 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 38.639934][ T1391] Tainted: [W]=WARN [ 38.639935][ T1391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.639938][ T1391] Call Trace: [ 38.639940][ T1391] [ 38.639942][ T1391] dump_stack_lvl+0x6f/0xa0 [ 38.639950][ T1391] __might_resched.cold+0x1fe/0x2c1 [ 38.639956][ T1391] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 38.639961][ T1391] ? __kmalloc_noprof+0xdb/0x760 [ 38.639968][ T1391] __kmalloc_noprof+0x443/0x760 [ 38.639971][ T1391] ? alloc_buf.isra.0+0x4b/0x260 [ 38.639980][ T1391] ? do_raw_spin_unlock+0x59/0x250 [ 38.639984][ T1391] alloc_buf.isra.0+0x4b/0x260 [ 38.639990][ T1391] put_chars+0x1e1/0x2f0 [ 38.639994][ T1391] ? __send_to_port+0x420/0x420 [ 38.639997][ T1391] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 38.640003][ T1391] ? validate_chain+0x38b/0xc20 [ 38.640012][ T1391] hvc_console_print+0x292/0x780 [ 38.640023][ T1391] ? hvc_write+0x3a0/0x3a0 [ 38.640027][ T1391] ? rcu_is_watching+0x16/0xd0 [ 38.640031][ T1391] ? lock_acquire+0x13c/0x160 [ 38.640037][ T1391] console_emit_next_record+0x22f/0x4c0 [ 38.640043][ T1391] ? devkmsg_read+0x4b0/0x4b0 [ 38.640046][ T1391] ? console_flush_one_record+0x106/0x710 [ 38.640051][ T1391] ? rcu_is_watching+0x16/0xd0 [ 38.640054][ T1391] ? lock_acquire+0x13c/0x160 [ 38.640060][ T1391] console_flush_one_record+0x46f/0x710 [ 38.640067][ T1391] ? console_emit_next_record+0x4c0/0x4c0 [ 38.640069][ T1391] ? __lock_acquire+0x518/0xc20 [ 38.640078][ T1391] console_unlock+0xee/0x1f0 [ 38.640082][ T1391] ? console_flush_one_record+0x710/0x710 [ 38.640085][ T1391] ? rcu_is_watching+0x16/0xd0 [ 38.640088][ T1391] ? lock_acquire+0x60/0x160 [ 38.640094][ T1391] ? __down_trylock_console_sem+0x5e/0xa0 [ 38.640097][ T1391] ? vprintk_emit+0x320/0x3e0 [ 38.640102][ T1391] vprintk_emit+0x37c/0x3e0 [ 38.640107][ T1391] ? wake_up_klogd_work_func+0x90/0x90 [ 38.640113][ T1391] ? __lock_acquire+0x518/0xc20 [ 38.640119][ T1391] _printk+0xc7/0x100 [ 38.640124][ T1391] ? snapshot_read.cold+0x21/0x21 [ 38.640128][ T1391] ? do_raw_spin_lock+0x131/0x280 [ 38.640132][ T1391] ? __rwlock_init+0x150/0x150 [ 38.640138][ T1391] ? do_raw_spin_lock+0x131/0x280 [ 38.640143][ T1391] do_exit.cold+0x82/0x9c [ 38.640148][ T1391] ? exit_notify+0x890/0x890 [ 38.640150][ T1391] ? __lock_release.isra.0+0x69/0x1a0 [ 38.640155][ T1391] ? rcu_is_watching+0x16/0xd0 [ 38.640162][ T1391] do_group_exit+0xb8/0x370 [ 38.640167][ T1391] __x64_sys_exit_group+0x3c/0x50 [ 38.640170][ T1391] x64_sys_call+0x1567/0x1570 [ 38.640173][ T1391] do_syscall_64+0xff/0x530 [ 38.640177][ T1391] ? exc_page_fault+0xee/0x100 [ 38.640182][ T1391] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.640186][ T1391] RIP: 0033:0x7fc5441771b8 [ 38.640189][ T1391] Code: Unable to access opcode bytes at 0x7fc54417718e. [ 38.640190][ T1391] RSP: 002b:00007fff858b52c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 38.640193][ T1391] RAX: ffffffffffffffda RBX: 00007fc5442a7f88 RCX: 00007fc5441771b8 [ 38.640196][ T1391] RDX: 00007fc5440b4a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 38.640197][ T1391] RBP: 00007fff858b5320 R08: 0000000000000000 R09: 0000000000000000 [ 38.640198][ T1391] R10: 00007fff858b5160 R11: 0000000000000246 R12: 0000000000000001 [ 38.640200][ T1391] R13: 0000000000000000 R14: 00007fc5442a6680 R15: 00007fc5442a7fa0 [ 38.640212][ T1391] [ 42.092974][ T1492] mptcp_connect (1492) used greatest stack depth: 22616 bytes left [ 42.092993][ T1492] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 42.092995][ T1492] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1492, name: mptcp_connect [ 42.092996][ T1492] preempt_count: 2, expected: 0 [ 42.092997][ T1492] RCU nest depth: 0, expected: 0 [ 42.092998][ T1492] locks held by mptcp_connect/1492: 5, last CPU#2: [ 42.093000][ T1492] #0: ffffffff92a267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 42.093013][ T1492] #1: ffffffff92b8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 42.093019][ T1492] #2: ffffffff92b8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 42.093023][ T1492] #3: ffffffff92aad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 42.093026][ T1492] #4: ffffffff92aad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 42.093030][ T1492] irq event stamp: 652832 [ 42.093031][ T1492] hardirqs last enabled at (652831): [] __down_trylock_console_sem+0x86/0xa0 [ 42.093034][ T1492] hardirqs last disabled at (652832): [] console_emit_next_record+0x3d4/0x4c0 [ 42.093035][ T1492] softirqs last enabled at (651944): [] handle_softirqs+0x67c/0x900 [ 42.093037][ T1492] softirqs last disabled at (651817): [] __irq_exit_rcu+0x145/0x1c0 [ 42.093039][ T1492] Preemption disabled at: [ 42.093040][ T1492] [<0000000000000000>] 0x0 [ 42.093047][ T1492] CPU: 2 UID: 0 PID: 1492 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 42.093050][ T1492] Tainted: [W]=WARN [ 42.093051][ T1492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.093053][ T1492] Call Trace: [ 42.093054][ T1492] [ 42.093056][ T1492] dump_stack_lvl+0x6f/0xa0 [ 42.093062][ T1492] __might_resched.cold+0x1fe/0x2c1 [ 42.093066][ T1492] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 42.093070][ T1492] ? __kmalloc_noprof+0xdb/0x760 [ 42.093075][ T1492] __kmalloc_noprof+0x443/0x760 [ 42.093077][ T1492] ? alloc_buf.isra.0+0x4b/0x260 [ 42.093084][ T1492] ? do_raw_spin_unlock+0x59/0x250 [ 42.093086][ T1492] alloc_buf.isra.0+0x4b/0x260 [ 42.093090][ T1492] put_chars+0x1e1/0x2f0 [ 42.093093][ T1492] ? __send_to_port+0x420/0x420 [ 42.093095][ T1492] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 42.093099][ T1492] ? validate_chain+0x38b/0xc20 [ 42.093104][ T1492] hvc_console_print+0x292/0x780 [ 42.093111][ T1492] ? hvc_write+0x3a0/0x3a0 [ 42.093114][ T1492] ? rcu_is_watching+0x16/0xd0 [ 42.093116][ T1492] ? lock_acquire+0x13c/0x160 [ 42.093120][ T1492] console_emit_next_record+0x22f/0x4c0 [ 42.093124][ T1492] ? devkmsg_read+0x4b0/0x4b0 [ 42.093125][ T1492] ? console_flush_one_record+0x106/0x710 [ 42.093128][ T1492] ? rcu_is_watching+0x16/0xd0 [ 42.093130][ T1492] ? lock_acquire+0x13c/0x160 [ 42.093134][ T1492] console_flush_one_record+0x46f/0x710 [ 42.093138][ T1492] ? console_emit_next_record+0x4c0/0x4c0 [ 42.093140][ T1492] ? __lock_acquire+0x518/0xc20 [ 42.093145][ T1492] console_unlock+0xee/0x1f0 [ 42.093147][ T1492] ? console_flush_one_record+0x710/0x710 [ 42.093149][ T1492] ? rcu_is_watching+0x16/0xd0 [ 42.093151][ T1492] ? lock_acquire+0x60/0x160 [ 42.093154][ T1492] ? __down_trylock_console_sem+0x5e/0xa0 [ 42.093156][ T1492] ? vprintk_emit+0x320/0x3e0 [ 42.093159][ T1492] vprintk_emit+0x37c/0x3e0 [ 42.093163][ T1492] ? wake_up_klogd_work_func+0x90/0x90 [ 42.093164][ T1492] ? do_raw_spin_unlock+0x59/0x250 [ 42.093167][ T1492] ? __lock_acquire+0x518/0xc20 [ 42.093171][ T1492] _printk+0xc7/0x100 [ 42.093174][ T1492] ? snapshot_read.cold+0x21/0x21 [ 42.093177][ T1492] ? do_raw_spin_lock+0x131/0x280 [ 42.093179][ T1492] ? __rwlock_init+0x150/0x150 [ 42.093183][ T1492] ? do_raw_spin_lock+0x131/0x280 [ 42.093185][ T1492] do_exit.cold+0x82/0x9c [ 42.093189][ T1492] ? exit_notify+0x890/0x890 [ 42.093191][ T1492] ? __lock_release.isra.0+0x69/0x1a0 [ 42.093193][ T1492] ? rcu_is_watching+0x16/0xd0 [ 42.093197][ T1492] do_group_exit+0xb8/0x370 [ 42.093201][ T1492] __x64_sys_exit_group+0x3c/0x50 [ 42.093203][ T1492] x64_sys_call+0x1567/0x1570 [ 42.093205][ T1492] do_syscall_64+0xff/0x530 [ 42.093208][ T1492] ? exc_page_fault+0xee/0x100 [ 42.093211][ T1492] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.093214][ T1492] RIP: 0033:0x7f54cc7f31b8 [ 42.093217][ T1492] Code: Unable to access opcode bytes at 0x7f54cc7f318e. [ 42.093218][ T1492] RSP: 002b:00007fff36a70278 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 42.093220][ T1492] RAX: ffffffffffffffda RBX: 00007f54cc923f88 RCX: 00007f54cc7f31b8 [ 42.093222][ T1492] RDX: 00007f54cc730a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 42.093223][ T1492] RBP: 00007fff36a702d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.093223][ T1492] R10: 00007fff36a70110 R11: 0000000000000246 R12: 0000000000000001 [ 42.093224][ T1492] R13: 0000000000000000 R14: 00007f54cc922680 R15: 00007f54cc923fa0 [ 42.093231][ T1492]