[ 9.525998][ T195] ip (195) used greatest stack depth: 23872 bytes left [ 9.526014][ T195] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.526016][ T195] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 195, name: ip [ 9.526018][ T195] preempt_count: 2, expected: 0 [ 9.526018][ T195] RCU nest depth: 0, expected: 0 [ 9.526019][ T195] locks held by ip/195: 5, last CPU#0: [ 9.526022][ T195] #0: ffffffffb0c267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.526034][ T195] #1: ffffffffb0d8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.526040][ T195] #2: ffffffffb0d8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.526044][ T195] #3: ffffffffb0cad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.526047][ T195] #4: ffffffffb0cad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.526051][ T195] irq event stamp: 28154 [ 9.526052][ T195] hardirqs last enabled at (28153): [] __down_trylock_console_sem+0x86/0xa0 [ 9.526054][ T195] hardirqs last disabled at (28154): [] console_emit_next_record+0x3d4/0x4c0 [ 9.526056][ T195] softirqs last enabled at (26714): [] handle_softirqs+0x67c/0x900 [ 9.526058][ T195] softirqs last disabled at (26029): [] __irq_exit_rcu+0x145/0x1c0 [ 9.526060][ T195] Preemption disabled at: [ 9.526061][ T195] [<0000000000000000>] 0x0 [ 9.526067][ T195] CPU: 0 UID: 0 PID: 195 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.526071][ T195] Tainted: [W]=WARN [ 9.526072][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.526073][ T195] Call Trace: [ 9.526075][ T195] [ 9.526077][ T195] dump_stack_lvl+0x6f/0xa0 [ 9.526083][ T195] __might_resched.cold+0x1fe/0x2c1 [ 9.526088][ T195] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.526092][ T195] ? __kmalloc_noprof+0xdb/0x760 [ 9.526097][ T195] __kmalloc_noprof+0x443/0x760 [ 9.526099][ T195] ? alloc_buf.isra.0+0x4b/0x260 [ 9.526106][ T195] ? do_raw_spin_unlock+0x59/0x250 [ 9.526109][ T195] alloc_buf.isra.0+0x4b/0x260 [ 9.526112][ T195] put_chars+0x1e1/0x2f0 [ 9.526116][ T195] ? __send_to_port+0x420/0x420 [ 9.526118][ T195] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.526122][ T195] ? validate_chain+0x38b/0xc20 [ 9.526128][ T195] hvc_console_print+0x292/0x780 [ 9.526136][ T195] ? hvc_write+0x3a0/0x3a0 [ 9.526138][ T195] ? rcu_is_watching+0x16/0xd0 [ 9.526141][ T195] ? lock_acquire+0x13c/0x160 [ 9.526145][ T195] console_emit_next_record+0x22f/0x4c0 [ 9.526148][ T195] ? devkmsg_read+0x4b0/0x4b0 [ 9.526150][ T195] ? console_flush_one_record+0x106/0x710 [ 9.526153][ T195] ? rcu_is_watching+0x16/0xd0 [ 9.526155][ T195] ? lock_acquire+0x13c/0x160 [ 9.526159][ T195] console_flush_one_record+0x46f/0x710 [ 9.526163][ T195] ? console_emit_next_record+0x4c0/0x4c0 [ 9.526165][ T195] ? __lock_acquire+0x518/0xc20 [ 9.526170][ T195] console_unlock+0xee/0x1f0 [ 9.526173][ T195] ? console_flush_one_record+0x710/0x710 [ 9.526174][ T195] ? rcu_is_watching+0x16/0xd0 [ 9.526176][ T195] ? lock_acquire+0x60/0x160 [ 9.526180][ T195] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.526182][ T195] ? vprintk_emit+0x320/0x3e0 [ 9.526185][ T195] vprintk_emit+0x37c/0x3e0 [ 9.526188][ T195] ? wake_up_klogd_work_func+0x90/0x90 [ 9.526192][ T195] ? __lock_acquire+0x518/0xc20 [ 9.526195][ T195] _printk+0xc7/0x100 [ 9.526199][ T195] ? snapshot_read.cold+0x21/0x21 [ 9.526202][ T195] ? do_raw_spin_lock+0x131/0x280 [ 9.526204][ T195] ? __rwlock_init+0x150/0x150 [ 9.526208][ T195] ? do_raw_spin_lock+0x131/0x280 [ 9.526211][ T195] do_exit.cold+0x82/0x9c [ 9.526215][ T195] ? exit_notify+0x890/0x890 [ 9.526216][ T195] ? __lock_release.isra.0+0x69/0x1a0 [ 9.526219][ T195] ? rcu_is_watching+0x16/0xd0 [ 9.526223][ T195] do_group_exit+0xb8/0x370 [ 9.526227][ T195] __x64_sys_exit_group+0x3c/0x50 [ 9.526229][ T195] x64_sys_call+0x1567/0x1570 [ 9.526231][ T195] do_syscall_64+0xff/0x530 [ 9.526235][ T195] ? exc_page_fault+0xee/0x100 [ 9.526238][ T195] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.526241][ T195] RIP: 0033:0x7f2755f2d1b8 [ 9.526243][ T195] Code: Unable to access opcode bytes at 0x7f2755f2d18e. [ 9.526244][ T195] RSP: 002b:00007fff609c2888 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.526253][ T195] RAX: ffffffffffffffda RBX: 00007f275605df88 RCX: 00007f2755f2d1b8 [ 9.526254][ T195] RDX: 00007f2755c77fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.526255][ T195] RBP: 00007fff609c28e0 R08: 0000000000000000 R09: 0000000000000050 [ 9.526256][ T195] R10: 00007fff609c26a0 R11: 0000000000000246 R12: 0000000000000001 [ 9.526257][ T195] R13: 0000000000000000 R14: 00007f275605c680 R15: 00007f275605dfa0 [ 9.526264][ T195] [ 11.385364][ T252] ip (252) used greatest stack depth: 23632 bytes left [ 11.385380][ T252] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.385383][ T252] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 252, name: ip [ 11.385384][ T252] preempt_count: 2, expected: 0 [ 11.385385][ T252] RCU nest depth: 0, expected: 0 [ 11.385386][ T252] locks held by ip/252: 5, last CPU#2: [ 11.385388][ T252] #0: ffffffffb0c267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.385400][ T252] #1: ffffffffb0d8dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.385406][ T252] #2: ffffffffb0d8dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.385410][ T252] #3: ffffffffb0cad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.385414][ T252] #4: ffffffffb0cad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.385418][ T252] irq event stamp: 23212 [ 11.385419][ T252] hardirqs last enabled at (23211): [] __down_trylock_console_sem+0x86/0xa0 [ 11.385421][ T252] hardirqs last disabled at (23212): [] console_emit_next_record+0x3d4/0x4c0 [ 11.385423][ T252] softirqs last enabled at (22580): [] handle_softirqs+0x67c/0x900 [ 11.385425][ T252] softirqs last disabled at (22575): [] __irq_exit_rcu+0x145/0x1c0 [ 11.385427][ T252] Preemption disabled at: [ 11.385428][ T252] [<0000000000000000>] 0x0 [ 11.385435][ T252] CPU: 2 UID: 0 PID: 252 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.385438][ T252] Tainted: [W]=WARN [ 11.385439][ T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.385441][ T252] Call Trace: [ 11.385443][ T252] [ 11.385444][ T252] dump_stack_lvl+0x6f/0xa0 [ 11.385450][ T252] __might_resched.cold+0x1fe/0x2c1 [ 11.385455][ T252] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.385459][ T252] ? __kmalloc_noprof+0xdb/0x760 [ 11.385464][ T252] __kmalloc_noprof+0x443/0x760 [ 11.385467][ T252] ? alloc_buf.isra.0+0x4b/0x260 [ 11.385474][ T252] ? do_raw_spin_unlock+0x59/0x250 [ 11.385476][ T252] alloc_buf.isra.0+0x4b/0x260 [ 11.385480][ T252] put_chars+0x1e1/0x2f0 [ 11.385483][ T252] ? __send_to_port+0x420/0x420 [ 11.385485][ T252] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.385490][ T252] ? validate_chain+0x38b/0xc20 [ 11.385495][ T252] hvc_console_print+0x292/0x780 [ 11.385503][ T252] ? hvc_write+0x3a0/0x3a0 [ 11.385505][ T252] ? rcu_is_watching+0x16/0xd0 [ 11.385508][ T252] ? lock_acquire+0x13c/0x160 [ 11.385512][ T252] console_emit_next_record+0x22f/0x4c0 [ 11.385515][ T252] ? devkmsg_read+0x4b0/0x4b0 [ 11.385517][ T252] ? console_flush_one_record+0x106/0x710 [ 11.385520][ T252] ? rcu_is_watching+0x16/0xd0 [ 11.385523][ T252] ? lock_acquire+0x13c/0x160 [ 11.385526][ T252] console_flush_one_record+0x46f/0x710 [ 11.385530][ T252] ? console_emit_next_record+0x4c0/0x4c0 [ 11.385532][ T252] ? __lock_acquire+0x518/0xc20 [ 11.385537][ T252] console_unlock+0xee/0x1f0 [ 11.385540][ T252] ? console_flush_one_record+0x710/0x710 [ 11.385542][ T252] ? rcu_is_watching+0x16/0xd0 [ 11.385544][ T252] ? lock_acquire+0x60/0x160 [ 11.385547][ T252] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.385549][ T252] ? vprintk_emit+0x320/0x3e0 [ 11.385552][ T252] vprintk_emit+0x37c/0x3e0 [ 11.385556][ T252] ? wake_up_klogd_work_func+0x90/0x90 [ 11.385559][ T252] ? __lock_acquire+0x518/0xc20 [ 11.385563][ T252] _printk+0xc7/0x100 [ 11.385567][ T252] ? snapshot_read.cold+0x21/0x21 [ 11.385569][ T252] ? do_raw_spin_lock+0x131/0x280 [ 11.385572][ T252] ? __rwlock_init+0x150/0x150 [ 11.385576][ T252] ? do_raw_spin_lock+0x131/0x280 [ 11.385578][ T252] do_exit.cold+0x82/0x9c [ 11.385584][ T252] ? exit_notify+0x890/0x890 [ 11.385586][ T252] ? __lock_release.isra.0+0x69/0x1a0 [ 11.385591][ T252] ? rcu_is_watching+0x16/0xd0 [ 11.385596][ T252] do_group_exit+0xb8/0x370 [ 11.385599][ T252] __x64_sys_exit_group+0x3c/0x50 [ 11.385602][ T252] x64_sys_call+0x1567/0x1570 [ 11.385604][ T252] do_syscall_64+0xff/0x530 [ 11.385607][ T252] ? exc_page_fault+0xee/0x100 [ 11.385610][ T252] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.385613][ T252] RIP: 0033:0x7f9ca03871b8 [ 11.385615][ T252] Code: Unable to access opcode bytes at 0x7f9ca038718e. [ 11.385616][ T252] RSP: 002b:00007ffc48c12dd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.385619][ T252] RAX: ffffffffffffffda RBX: 00007f9ca04b7f88 RCX: 00007f9ca03871b8 [ 11.385620][ T252] RDX: 00007f9ca00d1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.385621][ T252] RBP: 00007ffc48c12e30 R08: 0000000000000000 R09: 0000000000000050 [ 11.385622][ T252] R10: 00007ffc48c12bf0 R11: 0000000000000246 R12: 0000000000000001 [ 11.385623][ T252] R13: 0000000000000000 R14: 00007f9ca04b6680 R15: 00007f9ca04b7fa0 [ 11.385629][ T252]