[ 16.389268][ T244] ip (244) used greatest stack depth: 24096 bytes left [ 16.389284][ T244] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.389286][ T244] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 244, name: ip [ 16.389288][ T244] preempt_count: 2, expected: 0 [ 16.389288][ T244] RCU nest depth: 0, expected: 0 [ 16.389289][ T244] locks held by ip/244: 5, last CPU#0: [ 16.389291][ T244] #0: ffffffffbb8167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 16.389302][ T244] #1: ffffffffbb97ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.389307][ T244] #2: ffffffffbb97de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.389312][ T244] #3: ffffffffbb89d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.389316][ T244] #4: ffffffffbb89d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.389320][ T244] irq event stamp: 36032 [ 16.389320][ T244] hardirqs last enabled at (36031): [] __down_trylock_console_sem+0x86/0xa0 [ 16.389324][ T244] hardirqs last disabled at (36032): [] console_emit_next_record+0x3d4/0x4c0 [ 16.389326][ T244] softirqs last enabled at (34742): [] netlink_release+0x17b/0xcf0 [ 16.389330][ T244] softirqs last disabled at (34740): [] netlink_release+0xd2/0xcf0 [ 16.389333][ T244] Preemption disabled at: [ 16.389333][ T244] [<0000000000000000>] 0x0 [ 16.389340][ T244] CPU: 0 UID: 0 PID: 244 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.389343][ T244] Tainted: [W]=WARN [ 16.389344][ T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.389345][ T244] Call Trace: [ 16.389347][ T244] [ 16.389348][ T244] dump_stack_lvl+0x6f/0xa0 [ 16.389355][ T244] __might_resched.cold+0x1fe/0x2c1 [ 16.389359][ T244] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.389363][ T244] ? __kmalloc_noprof+0xdb/0x760 [ 16.389367][ T244] __kmalloc_noprof+0x443/0x760 [ 16.389369][ T244] ? alloc_buf.isra.0+0x4b/0x260 [ 16.389377][ T244] ? do_raw_spin_unlock+0x59/0x250 [ 16.389380][ T244] alloc_buf.isra.0+0x4b/0x260 [ 16.389384][ T244] put_chars+0x1e1/0x2f0 [ 16.389386][ T244] ? __send_to_port+0x420/0x420 [ 16.389388][ T244] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.389391][ T244] ? validate_chain+0x38b/0xc20 [ 16.389396][ T244] hvc_console_print+0x292/0x780 [ 16.389404][ T244] ? hvc_write+0x3a0/0x3a0 [ 16.389406][ T244] ? rcu_is_watching+0x16/0xd0 [ 16.389408][ T244] ? lock_acquire+0x13c/0x160 [ 16.389412][ T244] console_emit_next_record+0x22f/0x4c0 [ 16.389416][ T244] ? devkmsg_read+0x4b0/0x4b0 [ 16.389418][ T244] ? console_flush_one_record+0x106/0x710 [ 16.389421][ T244] ? rcu_is_watching+0x16/0xd0 [ 16.389423][ T244] ? lock_acquire+0x13c/0x160 [ 16.389426][ T244] console_flush_one_record+0x46f/0x710 [ 16.389431][ T244] ? console_emit_next_record+0x4c0/0x4c0 [ 16.389432][ T244] ? __lock_acquire+0x518/0xc20 [ 16.389438][ T244] console_unlock+0xee/0x1f0 [ 16.389440][ T244] ? console_flush_one_record+0x710/0x710 [ 16.389442][ T244] ? rcu_is_watching+0x16/0xd0 [ 16.389444][ T244] ? lock_acquire+0xe0/0x160 [ 16.389447][ T244] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.389449][ T244] ? vprintk_emit+0x320/0x3e0 [ 16.389452][ T244] vprintk_emit+0x37c/0x3e0 [ 16.389455][ T244] ? wake_up_klogd_work_func+0x90/0x90 [ 16.389458][ T244] ? __lock_acquire+0x518/0xc20 [ 16.389461][ T244] _printk+0xc7/0x100 [ 16.389465][ T244] ? snapshot_read.cold+0x21/0x21 [ 16.389467][ T244] ? do_raw_spin_lock+0x131/0x280 [ 16.389470][ T244] ? __rwlock_init+0x150/0x150 [ 16.389474][ T244] ? do_raw_spin_lock+0x131/0x280 [ 16.389476][ T244] do_exit.cold+0x82/0x9c [ 16.389480][ T244] ? exit_notify+0x890/0x890 [ 16.389481][ T244] ? __lock_release.isra.0+0x69/0x1a0 [ 16.389484][ T244] ? rcu_is_watching+0x16/0xd0 [ 16.389487][ T244] do_group_exit+0xb8/0x370 [ 16.389490][ T244] __x64_sys_exit_group+0x3c/0x50 [ 16.389492][ T244] x64_sys_call+0x1567/0x1570 [ 16.389494][ T244] do_syscall_64+0xff/0x530 [ 16.389498][ T244] ? exc_page_fault+0xee/0x100 [ 16.389501][ T244] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.389503][ T244] RIP: 0033:0x7f350cadf1b8 [ 16.389505][ T244] Code: Unable to access opcode bytes at 0x7f350cadf18e. [ 16.389506][ T244] RSP: 002b:00007ffeb96fd818 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.389509][ T244] RAX: ffffffffffffffda RBX: 00007f350cc0ff88 RCX: 00007f350cadf1b8 [ 16.389510][ T244] RDX: 00007f350c829fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 16.389511][ T244] RBP: 00007ffeb96fd870 R08: 0000000000000000 R09: 0000000000000000 [ 16.389512][ T244] R10: 00007ffeb96fd630 R11: 0000000000000246 R12: 0000000000000001 [ 16.389512][ T244] R13: 0000000000000000 R14: 00007f350cc0e680 R15: 00007f350cc0ffa0 [ 16.389519][ T244] [ 40.944219][ T400] ip (400) used greatest stack depth: 23360 bytes left [ 40.944235][ T400] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 40.944237][ T400] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 400, name: ip [ 40.944238][ T400] preempt_count: 2, expected: 0 [ 40.944239][ T400] RCU nest depth: 0, expected: 0 [ 40.944240][ T400] locks held by ip/400: 5, last CPU#1: [ 40.944242][ T400] #0: ffffffffbb8167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 40.944253][ T400] #1: ffffffffbb97ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 40.944258][ T400] #2: ffffffffbb97de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 40.944262][ T400] #3: ffffffffbb89d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 40.944266][ T400] #4: ffffffffbb89d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 40.944270][ T400] irq event stamp: 31566 [ 40.944271][ T400] hardirqs last enabled at (31565): [] __down_trylock_console_sem+0x86/0xa0 [ 40.944274][ T400] hardirqs last disabled at (31566): [] console_emit_next_record+0x3d4/0x4c0 [ 40.944276][ T400] softirqs last enabled at (31078): [] handle_softirqs+0x67c/0x900 [ 40.944278][ T400] softirqs last disabled at (31069): [] __irq_exit_rcu+0x145/0x1c0 [ 40.944280][ T400] Preemption disabled at: [ 40.944281][ T400] [<0000000000000000>] 0x0 [ 40.944287][ T400] CPU: 1 UID: 0 PID: 400 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 40.944290][ T400] Tainted: [W]=WARN [ 40.944291][ T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.944293][ T400] Call Trace: [ 40.944294][ T400] [ 40.944296][ T400] dump_stack_lvl+0x6f/0xa0 [ 40.944302][ T400] __might_resched.cold+0x1fe/0x2c1 [ 40.944306][ T400] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 40.944310][ T400] ? __kmalloc_noprof+0xdb/0x760 [ 40.944315][ T400] __kmalloc_noprof+0x443/0x760 [ 40.944317][ T400] ? alloc_buf.isra.0+0x4b/0x260 [ 40.944323][ T400] ? do_raw_spin_unlock+0x59/0x250 [ 40.944326][ T400] alloc_buf.isra.0+0x4b/0x260 [ 40.944329][ T400] put_chars+0x1e1/0x2f0 [ 40.944331][ T400] ? __send_to_port+0x420/0x420 [ 40.944333][ T400] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 40.944336][ T400] ? validate_chain+0x38b/0xc20 [ 40.944341][ T400] hvc_console_print+0x292/0x780 [ 40.944348][ T400] ? hvc_write+0x3a0/0x3a0 [ 40.944351][ T400] ? rcu_is_watching+0x16/0xd0 [ 40.944353][ T400] ? lock_acquire+0x13c/0x160 [ 40.944357][ T400] console_emit_next_record+0x22f/0x4c0 [ 40.944361][ T400] ? devkmsg_read+0x4b0/0x4b0 [ 40.944362][ T400] ? console_flush_one_record+0x106/0x710 [ 40.944366][ T400] ? rcu_is_watching+0x16/0xd0 [ 40.944367][ T400] ? lock_acquire+0x13c/0x160 [ 40.944374][ T400] console_flush_one_record+0x46f/0x710 [ 40.944378][ T400] ? console_emit_next_record+0x4c0/0x4c0 [ 40.944380][ T400] ? __lock_acquire+0x518/0xc20 [ 40.944385][ T400] console_unlock+0xee/0x1f0 [ 40.944388][ T400] ? console_flush_one_record+0x710/0x710 [ 40.944390][ T400] ? rcu_is_watching+0x16/0xd0 [ 40.944392][ T400] ? lock_acquire+0xe0/0x160 [ 40.944395][ T400] ? __down_trylock_console_sem+0x5e/0xa0 [ 40.944397][ T400] ? vprintk_emit+0x320/0x3e0 [ 40.944400][ T400] vprintk_emit+0x37c/0x3e0 [ 40.944403][ T400] ? wake_up_klogd_work_func+0x90/0x90 [ 40.944405][ T400] ? __lock_acquire+0x518/0xc20 [ 40.944409][ T400] _printk+0xc7/0x100 [ 40.944412][ T400] ? snapshot_read.cold+0x21/0x21 [ 40.944415][ T400] ? do_raw_spin_lock+0x131/0x280 [ 40.944418][ T400] ? __rwlock_init+0x150/0x150 [ 40.944421][ T400] ? do_raw_spin_lock+0x131/0x280 [ 40.944424][ T400] do_exit.cold+0x82/0x9c [ 40.944427][ T400] ? exit_notify+0x890/0x890 [ 40.944429][ T400] ? __lock_release.isra.0+0x69/0x1a0 [ 40.944431][ T400] ? rcu_is_watching+0x16/0xd0 [ 40.944435][ T400] do_group_exit+0xb8/0x370 [ 40.944437][ T400] __x64_sys_exit_group+0x3c/0x50 [ 40.944439][ T400] x64_sys_call+0x1567/0x1570 [ 40.944442][ T400] do_syscall_64+0xff/0x530 [ 40.944446][ T400] ? exc_page_fault+0xee/0x100 [ 40.944449][ T400] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 40.944451][ T400] RIP: 0033:0x7f2cf20291b8 [ 40.944453][ T400] Code: Unable to access opcode bytes at 0x7f2cf202918e. [ 40.944454][ T400] RSP: 002b:00007ffcc42ae938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 40.944456][ T400] RAX: ffffffffffffffda RBX: 00007f2cf2159f88 RCX: 00007f2cf20291b8 [ 40.944458][ T400] RDX: 00007f2cf1d73fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 40.944459][ T400] RBP: 00007ffcc42ae990 R08: 0000000000000000 R09: 0000000000000000 [ 40.944459][ T400] R10: 00007ffcc42ae750 R11: 0000000000000246 R12: 0000000000000001 [ 40.944460][ T400] R13: 0000000000000000 R14: 00007f2cf2158680 R15: 00007f2cf2159fa0 [ 40.944467][ T400]