[ 9.945912][ T174] ss (174) used greatest stack depth: 23904 bytes left [ 9.945936][ T174] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.945940][ T174] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 174, name: ss [ 9.945942][ T174] preempt_count: 2, expected: 0 [ 9.945943][ T174] RCU nest depth: 0, expected: 0 [ 9.945944][ T174] locks held by ss/174: 5, last CPU#1: [ 9.945947][ T174] #0: ffffffff8c6267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.945964][ T174] #1: ffffffff8c78dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.945971][ T174] #2: ffffffff8c78dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.945977][ T174] #3: ffffffff8c6ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.945982][ T174] #4: ffffffff8c6ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.945988][ T174] irq event stamp: 22526 [ 9.945989][ T174] hardirqs last enabled at (22525): [] __down_trylock_console_sem+0x86/0xa0 [ 9.945992][ T174] hardirqs last disabled at (22526): [] console_emit_next_record+0x3d4/0x4c0 [ 9.945995][ T174] softirqs last enabled at (21564): [] handle_softirqs+0x67c/0x900 [ 9.945997][ T174] softirqs last disabled at (21559): [] __irq_exit_rcu+0x145/0x1c0 [ 9.946000][ T174] Preemption disabled at: [ 9.946001][ T174] [<0000000000000000>] 0x0 [ 9.946010][ T174] CPU: 1 UID: 0 PID: 174 Comm: ss Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.946014][ T174] Tainted: [W]=WARN [ 9.946016][ T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.946018][ T174] Call Trace: [ 9.946020][ T174] [ 9.946022][ T174] dump_stack_lvl+0x6f/0xa0 [ 9.946030][ T174] __might_resched.cold+0x1fe/0x2c1 [ 9.946036][ T174] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.946042][ T174] ? __kmalloc_noprof+0xdb/0x760 [ 9.946048][ T174] __kmalloc_noprof+0x443/0x760 [ 9.946052][ T174] ? alloc_buf.isra.0+0x4b/0x260 [ 9.946061][ T174] ? do_raw_spin_unlock+0x59/0x250 [ 9.946064][ T174] alloc_buf.isra.0+0x4b/0x260 [ 9.946069][ T174] put_chars+0x1e1/0x2f0 [ 9.946074][ T174] ? __send_to_port+0x420/0x420 [ 9.946077][ T174] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.946083][ T174] ? validate_chain+0x38b/0xc20 [ 9.946092][ T174] hvc_console_print+0x292/0x780 [ 9.946103][ T174] ? hvc_write+0x3a0/0x3a0 [ 9.946107][ T174] ? rcu_is_watching+0x16/0xd0 [ 9.946111][ T174] ? lock_acquire+0x13c/0x160 [ 9.946117][ T174] console_emit_next_record+0x22f/0x4c0 [ 9.946123][ T174] ? devkmsg_read+0x4b0/0x4b0 [ 9.946125][ T174] ? console_flush_one_record+0x106/0x710 [ 9.946129][ T174] ? rcu_is_watching+0x16/0xd0 [ 9.946133][ T174] ? lock_acquire+0x13c/0x160 [ 9.946139][ T174] console_flush_one_record+0x46f/0x710 [ 9.946145][ T174] ? console_emit_next_record+0x4c0/0x4c0 [ 9.946147][ T174] ? __lock_acquire+0x518/0xc20 [ 9.946155][ T174] console_unlock+0xee/0x1f0 [ 9.946159][ T174] ? console_flush_one_record+0x710/0x710 [ 9.946161][ T174] ? rcu_is_watching+0x16/0xd0 [ 9.946164][ T174] ? lock_acquire+0x60/0x160 [ 9.946169][ T174] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.946171][ T174] ? vprintk_emit+0x320/0x3e0 [ 9.946176][ T174] vprintk_emit+0x37c/0x3e0 [ 9.946182][ T174] ? wake_up_klogd_work_func+0x90/0x90 [ 9.946187][ T174] ? __lock_acquire+0x518/0xc20 [ 9.946193][ T174] _printk+0xc7/0x100 [ 9.946197][ T174] ? snapshot_read.cold+0x21/0x21 [ 9.946201][ T174] ? do_raw_spin_lock+0x131/0x280 [ 9.946205][ T174] ? __rwlock_init+0x150/0x150 [ 9.946215][ T174] ? do_raw_spin_lock+0x131/0x280 [ 9.946219][ T174] do_exit.cold+0x82/0x9c [ 9.946225][ T174] ? exit_notify+0x890/0x890 [ 9.946227][ T174] ? __lock_release.isra.0+0x69/0x1a0 [ 9.946231][ T174] ? rcu_is_watching+0x16/0xd0 [ 9.946238][ T174] do_group_exit+0xb8/0x370 [ 9.946243][ T174] __x64_sys_exit_group+0x3c/0x50 [ 9.946247][ T174] x64_sys_call+0x1567/0x1570 [ 9.946250][ T174] do_syscall_64+0xff/0x530 [ 9.946254][ T174] ? exc_page_fault+0xee/0x100 [ 9.946259][ T174] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.946262][ T174] RIP: 0033:0x7f47acc621b8 [ 9.946265][ T174] Code: Unable to access opcode bytes at 0x7f47acc6218e. [ 9.946267][ T174] RSP: 002b:00007ffc5a851cd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.946270][ T174] RAX: ffffffffffffffda RBX: 00007f47acd92f88 RCX: 00007f47acc621b8 [ 9.946272][ T174] RDX: 00007f47ac9abb48 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.946274][ T174] RBP: 00007ffc5a851d30 R08: 0000000000000000 R09: 0000000000000d15 [ 9.946275][ T174] R10: 00007ffc5a851af0 R11: 0000000000000246 R12: 0000000000000001 [ 9.946276][ T174] R13: 0000000000000000 R14: 00007f47acd91680 R15: 00007f47acd92fa0 [ 9.946291][ T174] [ 22.286009][ T463] mptcp_connect (463) used greatest stack depth: 23744 bytes left [ 22.286028][ T463] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.286030][ T463] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 463, name: mptcp_connect [ 22.286032][ T463] preempt_count: 2, expected: 0 [ 22.286033][ T463] RCU nest depth: 0, expected: 0 [ 22.286034][ T463] locks held by mptcp_connect/463: 5, last CPU#0: [ 22.286036][ T463] #0: ffffffff8c6267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 22.286050][ T463] #1: ffffffff8c78dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.286055][ T463] #2: ffffffff8c78dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.286058][ T463] #3: ffffffff8c6ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.286062][ T463] #4: ffffffff8c6ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 22.286066][ T463] irq event stamp: 33256 [ 22.286067][ T463] hardirqs last enabled at (33255): [] __down_trylock_console_sem+0x86/0xa0 [ 22.286070][ T463] hardirqs last disabled at (33256): [] console_emit_next_record+0x3d4/0x4c0 [ 22.286071][ T463] softirqs last enabled at (32562): [] mptcp_close+0x2d/0x90 [ 22.286075][ T463] softirqs last disabled at (32560): [] release_sock+0x21/0x240 [ 22.286080][ T463] Preemption disabled at: [ 22.286080][ T463] [<0000000000000000>] 0x0 [ 22.286087][ T463] CPU: 0 UID: 0 PID: 463 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.286091][ T463] Tainted: [W]=WARN [ 22.286092][ T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.286093][ T463] Call Trace: [ 22.286095][ T463] [ 22.286097][ T463] dump_stack_lvl+0x6f/0xa0 [ 22.286103][ T463] __might_resched.cold+0x1fe/0x2c1 [ 22.286108][ T463] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.286112][ T463] ? __kmalloc_noprof+0xdb/0x760 [ 22.286117][ T463] __kmalloc_noprof+0x443/0x760 [ 22.286119][ T463] ? alloc_buf.isra.0+0x4b/0x260 [ 22.286125][ T463] ? do_raw_spin_unlock+0x59/0x250 [ 22.286128][ T463] alloc_buf.isra.0+0x4b/0x260 [ 22.286131][ T463] put_chars+0x1e1/0x2f0 [ 22.286135][ T463] ? __send_to_port+0x420/0x420 [ 22.286137][ T463] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.286141][ T463] ? validate_chain+0x38b/0xc20 [ 22.286147][ T463] hvc_console_print+0x292/0x780 [ 22.286154][ T463] ? hvc_write+0x3a0/0x3a0 [ 22.286157][ T463] ? rcu_is_watching+0x16/0xd0 [ 22.286159][ T463] ? lock_acquire+0x13c/0x160 [ 22.286163][ T463] console_emit_next_record+0x22f/0x4c0 [ 22.286167][ T463] ? devkmsg_read+0x4b0/0x4b0 [ 22.286169][ T463] ? console_flush_one_record+0x106/0x710 [ 22.286172][ T463] ? rcu_is_watching+0x16/0xd0 [ 22.286174][ T463] ? lock_acquire+0x13c/0x160 [ 22.286178][ T463] console_flush_one_record+0x46f/0x710 [ 22.286182][ T463] ? console_emit_next_record+0x4c0/0x4c0 [ 22.286183][ T463] ? __lock_acquire+0x518/0xc20 [ 22.286189][ T463] console_unlock+0xee/0x1f0 [ 22.286191][ T463] ? console_flush_one_record+0x710/0x710 [ 22.286193][ T463] ? rcu_is_watching+0x16/0xd0 [ 22.286195][ T463] ? lock_acquire+0x60/0x160 [ 22.286199][ T463] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.286200][ T463] ? vprintk_emit+0x320/0x3e0 [ 22.286204][ T463] vprintk_emit+0x37c/0x3e0 [ 22.286210][ T463] ? wake_up_klogd_work_func+0x90/0x90 [ 22.286212][ T463] ? do_raw_spin_unlock+0x59/0x250 [ 22.286215][ T463] ? __lock_acquire+0x518/0xc20 [ 22.286218][ T463] _printk+0xc7/0x100 [ 22.286222][ T463] ? snapshot_read.cold+0x21/0x21 [ 22.286225][ T463] ? do_raw_spin_lock+0x131/0x280 [ 22.286227][ T463] ? __rwlock_init+0x150/0x150 [ 22.286231][ T463] ? do_raw_spin_lock+0x131/0x280 [ 22.286234][ T463] do_exit.cold+0x82/0x9c [ 22.286237][ T463] ? exit_notify+0x890/0x890 [ 22.286239][ T463] ? __lock_release.isra.0+0x69/0x1a0 [ 22.286242][ T463] ? rcu_is_watching+0x16/0xd0 [ 22.286246][ T463] do_group_exit+0xb8/0x370 [ 22.286249][ T463] __x64_sys_exit_group+0x3c/0x50 [ 22.286252][ T463] x64_sys_call+0x1567/0x1570 [ 22.286254][ T463] do_syscall_64+0xff/0x530 [ 22.286256][ T463] ? exc_page_fault+0xee/0x100 [ 22.286260][ T463] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.286262][ T463] RIP: 0033:0x7f95527791b8 [ 22.286264][ T463] Code: Unable to access opcode bytes at 0x7f955277918e. [ 22.286266][ T463] RSP: 002b:00007ffd5fa43208 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.286268][ T463] RAX: ffffffffffffffda RBX: 00007f95528a9f88 RCX: 00007f95527791b8 [ 22.286269][ T463] RDX: 00007f95526b6a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 22.286271][ T463] RBP: 00007ffd5fa43260 R08: 0000000000000000 R09: 0000000000000000 [ 22.286271][ T463] R10: 00007ffd5fa430a0 R11: 0000000000000246 R12: 0000000000000001 [ 22.286272][ T463] R13: 0000000000000000 R14: 00007f95528a8680 R15: 00007f95528a9fa0 [ 22.286280][ T463]