[ 9.406453][ T183] ip (183) used greatest stack depth: 24040 bytes left [ 9.406469][ T183] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.406470][ T183] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 183, name: ip [ 9.406472][ T183] preempt_count: 2, expected: 0 [ 9.406473][ T183] RCU nest depth: 0, expected: 0 [ 9.406474][ T183] locks held by ip/183: 5, last CPU#2: [ 9.406476][ T183] #0: ffffffffb78267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.406487][ T183] #1: ffffffffb798dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.406493][ T183] #2: ffffffffb798dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.406497][ T183] #3: ffffffffb78ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.406500][ T183] #4: ffffffffb78ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.406504][ T183] irq event stamp: 29236 [ 9.406505][ T183] hardirqs last enabled at (29235): [] __down_trylock_console_sem+0x86/0xa0 [ 9.406507][ T183] hardirqs last disabled at (29236): [] console_emit_next_record+0x3d4/0x4c0 [ 9.406509][ T183] softirqs last enabled at (27778): [] handle_softirqs+0x67c/0x900 [ 9.406510][ T183] softirqs last disabled at (26967): [] __irq_exit_rcu+0x145/0x1c0 [ 9.406512][ T183] Preemption disabled at: [ 9.406513][ T183] [<0000000000000000>] 0x0 [ 9.406520][ T183] CPU: 2 UID: 0 PID: 183 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.406523][ T183] Tainted: [W]=WARN [ 9.406524][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.406526][ T183] Call Trace: [ 9.406527][ T183] [ 9.406529][ T183] dump_stack_lvl+0x6f/0xa0 [ 9.406535][ T183] __might_resched.cold+0x1fe/0x2c1 [ 9.406540][ T183] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.406544][ T183] ? __kmalloc_noprof+0xdb/0x760 [ 9.406548][ T183] __kmalloc_noprof+0x443/0x760 [ 9.406550][ T183] ? alloc_buf.isra.0+0x4b/0x260 [ 9.406557][ T183] ? do_raw_spin_unlock+0x59/0x250 [ 9.406560][ T183] alloc_buf.isra.0+0x4b/0x260 [ 9.406563][ T183] put_chars+0x1e1/0x2f0 [ 9.406566][ T183] ? __send_to_port+0x420/0x420 [ 9.406568][ T183] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.406573][ T183] ? validate_chain+0x38b/0xc20 [ 9.406578][ T183] hvc_console_print+0x292/0x780 [ 9.406585][ T183] ? hvc_write+0x3a0/0x3a0 [ 9.406588][ T183] ? rcu_is_watching+0x16/0xd0 [ 9.406590][ T183] ? lock_acquire+0x13c/0x160 [ 9.406594][ T183] console_emit_next_record+0x22f/0x4c0 [ 9.406598][ T183] ? devkmsg_read+0x4b0/0x4b0 [ 9.406599][ T183] ? console_flush_one_record+0x106/0x710 [ 9.406602][ T183] ? rcu_is_watching+0x16/0xd0 [ 9.406604][ T183] ? lock_acquire+0x13c/0x160 [ 9.406608][ T183] console_flush_one_record+0x46f/0x710 [ 9.406612][ T183] ? console_emit_next_record+0x4c0/0x4c0 [ 9.406614][ T183] ? __lock_acquire+0x518/0xc20 [ 9.406618][ T183] console_unlock+0xee/0x1f0 [ 9.406621][ T183] ? console_flush_one_record+0x710/0x710 [ 9.406623][ T183] ? rcu_is_watching+0x16/0xd0 [ 9.406625][ T183] ? lock_acquire+0x60/0x160 [ 9.406628][ T183] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.406630][ T183] ? vprintk_emit+0x320/0x3e0 [ 9.406633][ T183] vprintk_emit+0x37c/0x3e0 [ 9.406636][ T183] ? wake_up_klogd_work_func+0x90/0x90 [ 9.406640][ T183] ? __lock_acquire+0x518/0xc20 [ 9.406643][ T183] _printk+0xc7/0x100 [ 9.406647][ T183] ? snapshot_read.cold+0x21/0x21 [ 9.406649][ T183] ? do_raw_spin_lock+0x131/0x280 [ 9.406652][ T183] ? __rwlock_init+0x150/0x150 [ 9.406655][ T183] ? do_raw_spin_lock+0x131/0x280 [ 9.406658][ T183] do_exit.cold+0x82/0x9c [ 9.406661][ T183] ? exit_notify+0x890/0x890 [ 9.406663][ T183] ? __lock_release.isra.0+0x69/0x1a0 [ 9.406666][ T183] ? rcu_is_watching+0x16/0xd0 [ 9.406670][ T183] do_group_exit+0xb8/0x370 [ 9.406673][ T183] __x64_sys_exit_group+0x3c/0x50 [ 9.406675][ T183] x64_sys_call+0x1567/0x1570 [ 9.406677][ T183] do_syscall_64+0xff/0x530 [ 9.406681][ T183] ? exc_page_fault+0xee/0x100 [ 9.406684][ T183] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.406686][ T183] RIP: 0033:0x7f5a46ce31b8 [ 9.406689][ T183] Code: Unable to access opcode bytes at 0x7f5a46ce318e. [ 9.406690][ T183] RSP: 002b:00007ffccb9b40c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.406692][ T183] RAX: ffffffffffffffda RBX: 00007f5a46e13f88 RCX: 00007f5a46ce31b8 [ 9.406693][ T183] RDX: 00007f5a46a2dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.406694][ T183] RBP: 00007ffccb9b4120 R08: 0000000000000000 R09: 0000000000000050 [ 9.406695][ T183] R10: 00007ffccb9b3ee0 R11: 0000000000000246 R12: 0000000000000001 [ 9.406696][ T183] R13: 0000000000000000 R14: 00007f5a46e12680 R15: 00007f5a46e13fa0 [ 9.406703][ T183] [ 9.731098][ T193] ip (193) used greatest stack depth: 23920 bytes left [ 9.877791][ T198] ip (198) used greatest stack depth: 23880 bytes left [ 26.500614][ T824] mptcp_connect (824) used greatest stack depth: 22848 bytes left [ 26.500635][ T824] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.500637][ T824] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 824, name: mptcp_connect [ 26.500638][ T824] preempt_count: 2, expected: 0 [ 26.500639][ T824] RCU nest depth: 0, expected: 0 [ 26.500640][ T824] locks held by mptcp_connect/824: 5, last CPU#1: [ 26.500642][ T824] #0: ffffffffb78267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 26.500655][ T824] #1: ffffffffb798dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 26.500661][ T824] #2: ffffffffb798dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 26.500665][ T824] #3: ffffffffb78ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 26.500668][ T824] #4: ffffffffb78ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 26.500673][ T824] irq event stamp: 608082 [ 26.500673][ T824] hardirqs last enabled at (608081): [] __down_trylock_console_sem+0x86/0xa0 [ 26.500676][ T824] hardirqs last disabled at (608082): [] console_emit_next_record+0x3d4/0x4c0 [ 26.500678][ T824] softirqs last enabled at (607350): [] handle_softirqs+0x67c/0x900 [ 26.500680][ T824] softirqs last disabled at (606441): [] __irq_exit_rcu+0x145/0x1c0 [ 26.500682][ T824] Preemption disabled at: [ 26.500683][ T824] [<0000000000000000>] 0x0 [ 26.500689][ T824] CPU: 1 UID: 0 PID: 824 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.500693][ T824] Tainted: [W]=WARN [ 26.500694][ T824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.500696][ T824] Call Trace: [ 26.500697][ T824] [ 26.500699][ T824] dump_stack_lvl+0x6f/0xa0 [ 26.500705][ T824] __might_resched.cold+0x1fe/0x2c1 [ 26.500710][ T824] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.500714][ T824] ? __kmalloc_noprof+0xdb/0x760 [ 26.500719][ T824] __kmalloc_noprof+0x443/0x760 [ 26.500721][ T824] ? alloc_buf.isra.0+0x4b/0x260 [ 26.500728][ T824] ? do_raw_spin_unlock+0x59/0x250 [ 26.500730][ T824] alloc_buf.isra.0+0x4b/0x260 [ 26.500734][ T824] put_chars+0x1e1/0x2f0 [ 26.500738][ T824] ? __send_to_port+0x420/0x420 [ 26.500739][ T824] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.500744][ T824] ? validate_chain+0x38b/0xc20 [ 26.500750][ T824] hvc_console_print+0x292/0x780 [ 26.500757][ T824] ? hvc_write+0x3a0/0x3a0 [ 26.500760][ T824] ? rcu_is_watching+0x16/0xd0 [ 26.500762][ T824] ? lock_acquire+0x13c/0x160 [ 26.500766][ T824] console_emit_next_record+0x22f/0x4c0 [ 26.500770][ T824] ? devkmsg_read+0x4b0/0x4b0 [ 26.500771][ T824] ? console_flush_one_record+0x106/0x710 [ 26.500775][ T824] ? rcu_is_watching+0x16/0xd0 [ 26.500777][ T824] ? lock_acquire+0x13c/0x160 [ 26.500780][ T824] console_flush_one_record+0x46f/0x710 [ 26.500784][ T824] ? console_emit_next_record+0x4c0/0x4c0 [ 26.500786][ T824] ? __lock_acquire+0x518/0xc20 [ 26.500791][ T824] console_unlock+0xee/0x1f0 [ 26.500794][ T824] ? console_flush_one_record+0x710/0x710 [ 26.500795][ T824] ? rcu_is_watching+0x16/0xd0 [ 26.500798][ T824] ? lock_acquire+0x60/0x160 [ 26.500801][ T824] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.500803][ T824] ? vprintk_emit+0x320/0x3e0 [ 26.500806][ T824] vprintk_emit+0x37c/0x3e0 [ 26.500809][ T824] ? wake_up_klogd_work_func+0x90/0x90 [ 26.500813][ T824] ? __lock_acquire+0x518/0xc20 [ 26.500816][ T824] _printk+0xc7/0x100 [ 26.500820][ T824] ? snapshot_read.cold+0x21/0x21 [ 26.500823][ T824] ? do_raw_spin_lock+0x131/0x280 [ 26.500826][ T824] ? __rwlock_init+0x150/0x150 [ 26.500829][ T824] ? do_raw_spin_lock+0x131/0x280 [ 26.500832][ T824] do_exit.cold+0x82/0x9c [ 26.500836][ T824] ? exit_notify+0x890/0x890 [ 26.500838][ T824] ? __lock_release.isra.0+0x69/0x1a0 [ 26.500840][ T824] ? rcu_is_watching+0x16/0xd0 [ 26.500844][ T824] do_group_exit+0xb8/0x370 [ 26.500848][ T824] __x64_sys_exit_group+0x3c/0x50 [ 26.500850][ T824] x64_sys_call+0x1567/0x1570 [ 26.500852][ T824] do_syscall_64+0xff/0x530 [ 26.500856][ T824] ? exc_page_fault+0xee/0x100 [ 26.500859][ T824] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.500861][ T824] RIP: 0033:0x7fc41d13b1b8 [ 26.500863][ T824] Code: Unable to access opcode bytes at 0x7fc41d13b18e. [ 26.500864][ T824] RSP: 002b:00007ffd52a692b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 26.500867][ T824] RAX: ffffffffffffffda RBX: 00007fc41d26bf88 RCX: 00007fc41d13b1b8 [ 26.500868][ T824] RDX: 00007fc41d078a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 26.500869][ T824] RBP: 00007ffd52a69310 R08: 0000000000000000 R09: 0000000000000000 [ 26.500870][ T824] R10: 00007ffd52a69150 R11: 0000000000000246 R12: 0000000000000001 [ 26.500871][ T824] R13: 0000000000000000 R14: 00007fc41d26a680 R15: 00007fc41d26bfa0 [ 26.500878][ T824]