[ 9.737304][ T177] ip (177) used greatest stack depth: 23920 bytes left [ 9.737322][ T177] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.737325][ T177] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 177, name: ip [ 9.737327][ T177] preempt_count: 2, expected: 0 [ 9.737328][ T177] RCU nest depth: 0, expected: 0 [ 9.737330][ T177] locks held by ip/177: 5, last CPU#0: [ 9.737332][ T177] #0: ffffffffb5002f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.737347][ T177] #1: ffffffffb516a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.737353][ T177] #2: ffffffffb516a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.737358][ T177] #3: ffffffffb5089de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.737364][ T177] #4: ffffffffb5089ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.737369][ T177] irq event stamp: 32908 [ 9.737370][ T177] hardirqs last enabled at (32907): [] __down_trylock_console_sem+0x86/0xa0 [ 9.737374][ T177] hardirqs last disabled at (32908): [] console_emit_next_record+0x3d4/0x4c0 [ 9.737377][ T177] softirqs last enabled at (32724): [] handle_softirqs+0x67c/0x900 [ 9.737380][ T177] softirqs last disabled at (32719): [] __irq_exit_rcu+0x145/0x1c0 [ 9.737383][ T177] Preemption disabled at: [ 9.737384][ T177] [<0000000000000000>] 0x0 [ 9.737393][ T177] CPU: 0 UID: 0 PID: 177 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.737398][ T177] Tainted: [W]=WARN [ 9.737399][ T177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.737401][ T177] Call Trace: [ 9.737403][ T177] [ 9.737405][ T177] dump_stack_lvl+0x6f/0xa0 [ 9.737413][ T177] __might_resched.cold+0x1fe/0x2c1 [ 9.737419][ T177] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.737424][ T177] ? __kmalloc_noprof+0xdb/0x760 [ 9.737431][ T177] __kmalloc_noprof+0x443/0x760 [ 9.737435][ T177] ? alloc_buf.isra.0+0x4b/0x260 [ 9.737444][ T177] ? do_raw_spin_unlock+0x59/0x250 [ 9.737447][ T177] alloc_buf.isra.0+0x4b/0x260 [ 9.737453][ T177] put_chars+0x1e1/0x2f0 [ 9.737457][ T177] ? __send_to_port+0x420/0x420 [ 9.737469][ T177] hvc_console_print+0x292/0x780 [ 9.737480][ T177] ? hvc_write+0x3a0/0x3a0 [ 9.737484][ T177] ? lock_acquire+0x13c/0x160 [ 9.737491][ T177] console_emit_next_record+0x22f/0x4c0 [ 9.737497][ T177] ? devkmsg_read+0x4b0/0x4b0 [ 9.737499][ T177] ? console_flush_one_record+0x106/0x710 [ 9.737504][ T177] ? rcu_is_watching+0x16/0xd0 [ 9.737509][ T177] ? lock_acquire+0x13c/0x160 [ 9.737515][ T177] console_flush_one_record+0x46f/0x710 [ 9.737521][ T177] ? console_emit_next_record+0x4c0/0x4c0 [ 9.737524][ T177] ? __lock_acquire+0x518/0xc20 [ 9.737533][ T177] console_unlock+0xee/0x1f0 [ 9.737537][ T177] ? console_flush_one_record+0x710/0x710 [ 9.737539][ T177] ? rcu_is_watching+0x16/0xd0 [ 9.737542][ T177] ? lock_acquire+0x60/0x160 [ 9.737548][ T177] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.737550][ T177] ? vprintk_emit+0x320/0x3e0 [ 9.737555][ T177] vprintk_emit+0x37c/0x3e0 [ 9.737561][ T177] ? wake_up_klogd_work_func+0x90/0x90 [ 9.737566][ T177] ? __lock_acquire+0x518/0xc20 [ 9.737572][ T177] _printk+0xc7/0x100 [ 9.737577][ T177] ? snapshot_read.cold+0x21/0x21 [ 9.737581][ T177] ? do_raw_spin_lock+0x131/0x280 [ 9.737585][ T177] ? __rwlock_init+0x150/0x150 [ 9.737592][ T177] ? do_raw_spin_lock+0x131/0x280 [ 9.737597][ T177] do_exit.cold+0x82/0x9c [ 9.737602][ T177] ? exit_notify+0x890/0x890 [ 9.737604][ T177] ? __lock_release.isra.0+0x69/0x1a0 [ 9.737609][ T177] ? rcu_is_watching+0x16/0xd0 [ 9.737615][ T177] do_group_exit+0xb8/0x370 [ 9.737620][ T177] __x64_sys_exit_group+0x3c/0x50 [ 9.737623][ T177] x64_sys_call+0x1567/0x1570 [ 9.737627][ T177] do_syscall_64+0x10e/0x570 [ 9.737631][ T177] ? exc_page_fault+0xee/0x100 [ 9.737636][ T177] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.737639][ T177] RIP: 0033:0x7f931e8881b8 [ 9.737642][ T177] Code: Unable to access opcode bytes at 0x7f931e88818e. [ 9.737644][ T177] RSP: 002b:00007ffd5686f898 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.737647][ T177] RAX: ffffffffffffffda RBX: 00007f931e9b8f88 RCX: 00007f931e8881b8 [ 9.737649][ T177] RDX: 00007f931e5d2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.737650][ T177] RBP: 00007ffd5686f8f0 R08: 0000000000000000 R09: 0000000000000050 [ 9.737652][ T177] R10: 00007ffd5686f6b0 R11: 0000000000000246 R12: 0000000000000001 [ 9.737659][ T177] R13: 0000000000000000 R14: 00007f931e9b7680 R15: 00007f931e9b8fa0 [ 9.737671][ T177] [ 11.723925][ T230] socat (230) used greatest stack depth: 23760 bytes left [ 11.723946][ T230] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.723948][ T230] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 230, name: socat [ 11.723951][ T230] preempt_count: 2, expected: 0 [ 11.723952][ T230] RCU nest depth: 0, expected: 0 [ 11.723954][ T230] locks held by socat/230: 5, last CPU#1: [ 11.723957][ T230] #0: ffffffffb5002f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 11.723972][ T230] #1: ffffffffb516a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.723979][ T230] #2: ffffffffb516a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.723985][ T230] #3: ffffffffb5089de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.723990][ T230] #4: ffffffffb5089ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.723996][ T230] irq event stamp: 49612 [ 11.723997][ T230] hardirqs last enabled at (49611): [] __down_trylock_console_sem+0x86/0xa0 [ 11.724003][ T230] hardirqs last disabled at (49612): [] console_emit_next_record+0x3d4/0x4c0 [ 11.724005][ T230] softirqs last enabled at (49308): [] handle_softirqs+0x67c/0x900 [ 11.724009][ T230] softirqs last disabled at (49303): [] __irq_exit_rcu+0x145/0x1c0 [ 11.724012][ T230] Preemption disabled at: [ 11.724013][ T230] [<0000000000000000>] 0x0 [ 11.724023][ T230] CPU: 1 UID: 0 PID: 230 Comm: socat Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.724027][ T230] Tainted: [W]=WARN [ 11.724029][ T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.724031][ T230] Call Trace: [ 11.724033][ T230] [ 11.724035][ T230] dump_stack_lvl+0x6f/0xa0 [ 11.724043][ T230] __might_resched.cold+0x1fe/0x2c1 [ 11.724050][ T230] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.724055][ T230] ? __kmalloc_noprof+0xdb/0x760 [ 11.724063][ T230] __kmalloc_noprof+0x443/0x760 [ 11.724068][ T230] ? alloc_buf.isra.0+0x4b/0x260 [ 11.724078][ T230] ? do_raw_spin_unlock+0x59/0x250 [ 11.724082][ T230] alloc_buf.isra.0+0x4b/0x260 [ 11.724088][ T230] put_chars+0x1e1/0x2f0 [ 11.724093][ T230] ? __send_to_port+0x420/0x420 [ 11.724106][ T230] hvc_console_print+0x292/0x780 [ 11.724118][ T230] ? hvc_write+0x3a0/0x3a0 [ 11.724123][ T230] ? lock_acquire+0x13c/0x160 [ 11.724135][ T230] console_emit_next_record+0x22f/0x4c0 [ 11.724141][ T230] ? devkmsg_read+0x4b0/0x4b0 [ 11.724143][ T230] ? console_flush_one_record+0x106/0x710 [ 11.724149][ T230] ? rcu_is_watching+0x16/0xd0 [ 11.724154][ T230] ? lock_acquire+0x13c/0x160 [ 11.724161][ T230] console_flush_one_record+0x46f/0x710 [ 11.724167][ T230] ? console_emit_next_record+0x4c0/0x4c0 [ 11.724169][ T230] ? __lock_acquire+0x518/0xc20 [ 11.724178][ T230] console_unlock+0xee/0x1f0 [ 11.724182][ T230] ? console_flush_one_record+0x710/0x710 [ 11.724185][ T230] ? rcu_is_watching+0x16/0xd0 [ 11.724188][ T230] ? lock_acquire+0x60/0x160 [ 11.724194][ T230] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.724197][ T230] ? vprintk_emit+0x320/0x3e0 [ 11.724202][ T230] vprintk_emit+0x37c/0x3e0 [ 11.724208][ T230] ? wake_up_klogd_work_func+0x90/0x90 [ 11.724213][ T230] ? __lock_acquire+0x518/0xc20 [ 11.724219][ T230] _printk+0xc7/0x100 [ 11.724224][ T230] ? snapshot_read.cold+0x21/0x21 [ 11.724228][ T230] ? do_raw_spin_lock+0x131/0x280 [ 11.724233][ T230] ? __rwlock_init+0x150/0x150 [ 11.724239][ T230] ? do_raw_spin_lock+0x131/0x280 [ 11.724244][ T230] do_exit.cold+0x82/0x9c [ 11.724250][ T230] ? exit_notify+0x890/0x890 [ 11.724252][ T230] ? __lock_release.isra.0+0x69/0x1a0 [ 11.724257][ T230] ? rcu_is_watching+0x16/0xd0 [ 11.724263][ T230] do_group_exit+0xb8/0x370 [ 11.724268][ T230] __x64_sys_exit_group+0x3c/0x50 [ 11.724272][ T230] x64_sys_call+0x1567/0x1570 [ 11.724275][ T230] do_syscall_64+0x10e/0x570 [ 11.724280][ T230] ? exc_page_fault+0xee/0x100 [ 11.724285][ T230] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.724289][ T230] RIP: 0033:0x7fd0e45741b8 [ 11.724292][ T230] Code: Unable to access opcode bytes at 0x7fd0e457418e. [ 11.724294][ T230] RSP: 002b:00007ffda74dee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.724297][ T230] RAX: ffffffffffffffda RBX: 00007fd0e46a4f88 RCX: 00007fd0e45741b8 [ 11.724299][ T230] RDX: 00007fd0e4459e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.724300][ T230] RBP: 00007ffda74deeb0 R08: 0000000000000000 R09: 0000000000004010 [ 11.724302][ T230] R10: 00007ffda74decb0 R11: 0000000000000246 R12: 0000000000000003 [ 11.724303][ T230] R13: 0000000000000000 R14: 00007fd0e46a3680 R15: 00007fd0e46a4fa0 [ 11.724316][ T230]