[ 34.936667][ T1012] mptcp_connect (1012) used greatest stack depth: 23328 bytes left [ 34.936687][ T1012] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 34.936689][ T1012] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1012, name: mptcp_connect [ 34.936690][ T1012] preempt_count: 2, expected: 0 [ 34.936691][ T1012] RCU nest depth: 0, expected: 0 [ 34.936692][ T1012] locks held by mptcp_connect/1012: 5, last CPU#3: [ 34.936694][ T1012] #0: ffffffff8d8267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 34.936707][ T1012] #1: ffffffff8d98dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 34.936712][ T1012] #2: ffffffff8d98dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 34.936716][ T1012] #3: ffffffff8d8ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 34.936720][ T1012] #4: ffffffff8d8ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 34.936724][ T1012] irq event stamp: 750558 [ 34.936725][ T1012] hardirqs last enabled at (750557): [] __down_trylock_console_sem+0x86/0xa0 [ 34.936727][ T1012] hardirqs last disabled at (750558): [] console_emit_next_record+0x3d4/0x4c0 [ 34.936729][ T1012] softirqs last enabled at (748636): [] handle_softirqs+0x67c/0x900 [ 34.936731][ T1012] softirqs last disabled at (748467): [] __irq_exit_rcu+0x145/0x1c0 [ 34.936733][ T1012] Preemption disabled at: [ 34.936734][ T1012] [<0000000000000000>] 0x0 [ 34.936740][ T1012] CPU: 3 UID: 0 PID: 1012 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 34.936744][ T1012] Tainted: [W]=WARN [ 34.936745][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.936747][ T1012] Call Trace: [ 34.936748][ T1012] [ 34.936750][ T1012] dump_stack_lvl+0x6f/0xa0 [ 34.936756][ T1012] __might_resched.cold+0x1fe/0x2c1 [ 34.936760][ T1012] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 34.936764][ T1012] ? __kmalloc_noprof+0xdb/0x760 [ 34.936769][ T1012] __kmalloc_noprof+0x443/0x760 [ 34.936771][ T1012] ? alloc_buf.isra.0+0x4b/0x260 [ 34.936777][ T1012] ? do_raw_spin_unlock+0x59/0x250 [ 34.936779][ T1012] alloc_buf.isra.0+0x4b/0x260 [ 34.936783][ T1012] put_chars+0x1e1/0x2f0 [ 34.936786][ T1012] ? __send_to_port+0x420/0x420 [ 34.936788][ T1012] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.936792][ T1012] ? validate_chain+0x38b/0xc20 [ 34.936797][ T1012] hvc_console_print+0x292/0x780 [ 34.936804][ T1012] ? hvc_write+0x3a0/0x3a0 [ 34.936811][ T1012] ? rcu_is_watching+0x16/0xd0 [ 34.936814][ T1012] ? lock_acquire+0x13c/0x160 [ 34.936817][ T1012] console_emit_next_record+0x22f/0x4c0 [ 34.936821][ T1012] ? devkmsg_read+0x4b0/0x4b0 [ 34.936822][ T1012] ? console_flush_one_record+0x106/0x710 [ 34.936825][ T1012] ? rcu_is_watching+0x16/0xd0 [ 34.936828][ T1012] ? lock_acquire+0x13c/0x160 [ 34.936831][ T1012] console_flush_one_record+0x46f/0x710 [ 34.936835][ T1012] ? console_emit_next_record+0x4c0/0x4c0 [ 34.936836][ T1012] ? __lock_acquire+0x518/0xc20 [ 34.936841][ T1012] console_unlock+0xee/0x1f0 [ 34.936844][ T1012] ? console_flush_one_record+0x710/0x710 [ 34.936845][ T1012] ? rcu_is_watching+0x16/0xd0 [ 34.936848][ T1012] ? lock_acquire+0x60/0x160 [ 34.936851][ T1012] ? __down_trylock_console_sem+0x5e/0xa0 [ 34.936852][ T1012] ? vprintk_emit+0x320/0x3e0 [ 34.936855][ T1012] vprintk_emit+0x37c/0x3e0 [ 34.936859][ T1012] ? wake_up_klogd_work_func+0x90/0x90 [ 34.936862][ T1012] ? __lock_acquire+0x518/0xc20 [ 34.936865][ T1012] _printk+0xc7/0x100 [ 34.936869][ T1012] ? snapshot_read.cold+0x21/0x21 [ 34.936872][ T1012] ? do_raw_spin_lock+0x131/0x280 [ 34.936874][ T1012] ? __rwlock_init+0x150/0x150 [ 34.936878][ T1012] ? do_raw_spin_lock+0x131/0x280 [ 34.936880][ T1012] do_exit.cold+0x82/0x9c [ 34.936884][ T1012] ? exit_notify+0x890/0x890 [ 34.936885][ T1012] ? __lock_release.isra.0+0x69/0x1a0 [ 34.936888][ T1012] ? rcu_is_watching+0x16/0xd0 [ 34.936892][ T1012] do_group_exit+0xb8/0x370 [ 34.936895][ T1012] __x64_sys_exit_group+0x3c/0x50 [ 34.936897][ T1012] x64_sys_call+0x1567/0x1570 [ 34.936899][ T1012] do_syscall_64+0xff/0x530 [ 34.936902][ T1012] ? exc_page_fault+0xee/0x100 [ 34.936906][ T1012] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.936908][ T1012] RIP: 0033:0x7effe0f171b8 [ 34.936911][ T1012] Code: Unable to access opcode bytes at 0x7effe0f1718e. [ 34.936912][ T1012] RSP: 002b:00007ffd04718698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 34.936914][ T1012] RAX: ffffffffffffffda RBX: 00007effe1047f88 RCX: 00007effe0f171b8 [ 34.936915][ T1012] RDX: 00007effe0e54a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 34.936916][ T1012] RBP: 00007ffd047186f0 R08: 0000000000000000 R09: 0000000000000000 [ 34.936917][ T1012] R10: 00007ffd04718530 R11: 0000000000000246 R12: 0000000000000001 [ 34.936918][ T1012] R13: 0000000000000000 R14: 00007effe1046680 R15: 00007effe1047fa0 [ 34.936925][ T1012] [ 50.722100][ T1389] mptcp_connect (1389) used greatest stack depth: 23304 bytes left [ 50.722120][ T1389] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 50.722123][ T1389] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1389, name: mptcp_connect [ 50.722125][ T1389] preempt_count: 2, expected: 0 [ 50.722125][ T1389] RCU nest depth: 0, expected: 0 [ 50.722126][ T1389] locks held by mptcp_connect/1389: 5, last CPU#1: [ 50.722128][ T1389] #0: ffffffff8d8267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 50.722141][ T1389] #1: ffffffff8d98dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 50.722146][ T1389] #2: ffffffff8d98dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 50.722150][ T1389] #3: ffffffff8d8ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 50.722154][ T1389] #4: ffffffff8d8ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 50.722158][ T1389] irq event stamp: 681592 [ 50.722159][ T1389] hardirqs last enabled at (681591): [] __down_trylock_console_sem+0x86/0xa0 [ 50.722161][ T1389] hardirqs last disabled at (681592): [] console_emit_next_record+0x3d4/0x4c0 [ 50.722163][ T1389] softirqs last enabled at (681414): [] handle_softirqs+0x67c/0x900 [ 50.722165][ T1389] softirqs last disabled at (681357): [] __irq_exit_rcu+0x145/0x1c0 [ 50.722167][ T1389] Preemption disabled at: [ 50.722167][ T1389] [<0000000000000000>] 0x0 [ 50.722175][ T1389] CPU: 1 UID: 0 PID: 1389 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 50.722178][ T1389] Tainted: [W]=WARN [ 50.722179][ T1389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.722181][ T1389] Call Trace: [ 50.722183][ T1389] [ 50.722184][ T1389] dump_stack_lvl+0x6f/0xa0 [ 50.722190][ T1389] __might_resched.cold+0x1fe/0x2c1 [ 50.722195][ T1389] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 50.722199][ T1389] ? __kmalloc_noprof+0xdb/0x760 [ 50.722203][ T1389] __kmalloc_noprof+0x443/0x760 [ 50.722205][ T1389] ? alloc_buf.isra.0+0x4b/0x260 [ 50.722211][ T1389] ? do_raw_spin_unlock+0x59/0x250 [ 50.722214][ T1389] alloc_buf.isra.0+0x4b/0x260 [ 50.722218][ T1389] put_chars+0x1e1/0x2f0 [ 50.722221][ T1389] ? __send_to_port+0x420/0x420 [ 50.722223][ T1389] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 50.722227][ T1389] ? validate_chain+0x38b/0xc20 [ 50.722233][ T1389] hvc_console_print+0x292/0x780 [ 50.722240][ T1389] ? hvc_write+0x3a0/0x3a0 [ 50.722243][ T1389] ? rcu_is_watching+0x16/0xd0 [ 50.722245][ T1389] ? lock_acquire+0x13c/0x160 [ 50.722249][ T1389] console_emit_next_record+0x22f/0x4c0 [ 50.722252][ T1389] ? devkmsg_read+0x4b0/0x4b0 [ 50.722254][ T1389] ? console_flush_one_record+0x106/0x710 [ 50.722257][ T1389] ? rcu_is_watching+0x16/0xd0 [ 50.722259][ T1389] ? lock_acquire+0x13c/0x160 [ 50.722263][ T1389] console_flush_one_record+0x46f/0x710 [ 50.722267][ T1389] ? console_emit_next_record+0x4c0/0x4c0 [ 50.722269][ T1389] ? __lock_acquire+0x518/0xc20 [ 50.722274][ T1389] console_unlock+0xee/0x1f0 [ 50.722276][ T1389] ? console_flush_one_record+0x710/0x710 [ 50.722278][ T1389] ? rcu_is_watching+0x16/0xd0 [ 50.722280][ T1389] ? lock_acquire+0x60/0x160 [ 50.722283][ T1389] ? __down_trylock_console_sem+0x5e/0xa0 [ 50.722285][ T1389] ? vprintk_emit+0x320/0x3e0 [ 50.722289][ T1389] vprintk_emit+0x37c/0x3e0 [ 50.722292][ T1389] ? wake_up_klogd_work_func+0x90/0x90 [ 50.722296][ T1389] ? __lock_acquire+0x518/0xc20 [ 50.722299][ T1389] _printk+0xc7/0x100 [ 50.722303][ T1389] ? snapshot_read.cold+0x21/0x21 [ 50.722306][ T1389] ? do_raw_spin_lock+0x131/0x280 [ 50.722308][ T1389] ? __rwlock_init+0x150/0x150 [ 50.722312][ T1389] ? do_raw_spin_lock+0x131/0x280 [ 50.722314][ T1389] do_exit.cold+0x82/0x9c [ 50.722318][ T1389] ? exit_notify+0x890/0x890 [ 50.722320][ T1389] ? __lock_release.isra.0+0x69/0x1a0 [ 50.722322][ T1389] ? rcu_is_watching+0x16/0xd0 [ 50.722326][ T1389] do_group_exit+0xb8/0x370 [ 50.722329][ T1389] __x64_sys_exit_group+0x3c/0x50 [ 50.722332][ T1389] x64_sys_call+0x1567/0x1570 [ 50.722334][ T1389] do_syscall_64+0xff/0x530 [ 50.722337][ T1389] ? exc_page_fault+0xee/0x100 [ 50.722340][ T1389] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 50.722343][ T1389] RIP: 0033:0x7f6f900da1b8 [ 50.722345][ T1389] Code: Unable to access opcode bytes at 0x7f6f900da18e. [ 50.722347][ T1389] RSP: 002b:00007ffc3117d4d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 50.722349][ T1389] RAX: ffffffffffffffda RBX: 00007f6f9020af88 RCX: 00007f6f900da1b8 [ 50.722351][ T1389] RDX: 00007f6f90017a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 50.722351][ T1389] RBP: 00007ffc3117d530 R08: 0000000000000000 R09: 0000000000000000 [ 50.722352][ T1389] R10: 00007ffc3117d370 R11: 0000000000000246 R12: 0000000000000001 [ 50.722353][ T1389] R13: 0000000000000000 R14: 00007f6f90209680 R15: 00007f6f9020afa0 [ 50.722360][ T1389]