[ 9.185846][ T197] ip (197) used greatest stack depth: 24024 bytes left [ 9.185862][ T197] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.185864][ T197] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 197, name: ip [ 9.185866][ T197] preempt_count: 2, expected: 0 [ 9.185866][ T197] RCU nest depth: 0, expected: 0 [ 9.185867][ T197] locks held by ip/197: 5, last CPU#2: [ 9.185869][ T197] #0: ffffffff878167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.185880][ T197] #1: ffffffff8797ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.185885][ T197] #2: ffffffff8797de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.185889][ T197] #3: ffffffff8789d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.185893][ T197] #4: ffffffff8789d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.185897][ T197] irq event stamp: 28750 [ 9.185897][ T197] hardirqs last enabled at (28749): [] __down_trylock_console_sem+0x86/0xa0 [ 9.185900][ T197] hardirqs last disabled at (28750): [] console_emit_next_record+0x3d4/0x4c0 [ 9.185902][ T197] softirqs last enabled at (23026): [] handle_softirqs+0x67c/0x900 [ 9.185905][ T197] softirqs last disabled at (23021): [] __irq_exit_rcu+0x145/0x1c0 [ 9.185907][ T197] Preemption disabled at: [ 9.185908][ T197] [<0000000000000000>] 0x0 [ 9.185914][ T197] CPU: 2 UID: 0 PID: 197 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.185918][ T197] Tainted: [W]=WARN [ 9.185919][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.185920][ T197] Call Trace: [ 9.185922][ T197] [ 9.185923][ T197] dump_stack_lvl+0x6f/0xa0 [ 9.185929][ T197] __might_resched.cold+0x1fe/0x2c1 [ 9.185934][ T197] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.185939][ T197] ? __kmalloc_noprof+0xdb/0x760 [ 9.185943][ T197] __kmalloc_noprof+0x443/0x760 [ 9.185945][ T197] ? alloc_buf.isra.0+0x4b/0x260 [ 9.185952][ T197] ? do_raw_spin_unlock+0x59/0x250 [ 9.185954][ T197] alloc_buf.isra.0+0x4b/0x260 [ 9.185958][ T197] put_chars+0x1e1/0x2f0 [ 9.185960][ T197] ? __send_to_port+0x420/0x420 [ 9.185962][ T197] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.185965][ T197] ? validate_chain+0x38b/0xc20 [ 9.185970][ T197] hvc_console_print+0x292/0x780 [ 9.185978][ T197] ? hvc_write+0x3a0/0x3a0 [ 9.185980][ T197] ? rcu_is_watching+0x16/0xd0 [ 9.185982][ T197] ? lock_acquire+0x13c/0x160 [ 9.185986][ T197] console_emit_next_record+0x22f/0x4c0 [ 9.185990][ T197] ? devkmsg_read+0x4b0/0x4b0 [ 9.185992][ T197] ? console_flush_one_record+0x106/0x710 [ 9.185995][ T197] ? rcu_is_watching+0x16/0xd0 [ 9.185997][ T197] ? lock_acquire+0x13c/0x160 [ 9.186001][ T197] console_flush_one_record+0x46f/0x710 [ 9.186005][ T197] ? console_emit_next_record+0x4c0/0x4c0 [ 9.186007][ T197] ? __lock_acquire+0x518/0xc20 [ 9.186012][ T197] console_unlock+0xee/0x1f0 [ 9.186015][ T197] ? console_flush_one_record+0x710/0x710 [ 9.186017][ T197] ? rcu_is_watching+0x16/0xd0 [ 9.186018][ T197] ? lock_acquire+0xe0/0x160 [ 9.186022][ T197] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.186024][ T197] ? vprintk_emit+0x320/0x3e0 [ 9.186026][ T197] vprintk_emit+0x37c/0x3e0 [ 9.186029][ T197] ? wake_up_klogd_work_func+0x90/0x90 [ 9.186032][ T197] ? __lock_acquire+0x518/0xc20 [ 9.186036][ T197] _printk+0xc7/0x100 [ 9.186039][ T197] ? snapshot_read.cold+0x21/0x21 [ 9.186042][ T197] ? do_raw_spin_lock+0x131/0x280 [ 9.186044][ T197] ? __rwlock_init+0x150/0x150 [ 9.186048][ T197] ? do_raw_spin_lock+0x131/0x280 [ 9.186051][ T197] do_exit.cold+0x82/0x9c [ 9.186055][ T197] ? exit_notify+0x890/0x890 [ 9.186056][ T197] ? __lock_release.isra.0+0x69/0x1a0 [ 9.186059][ T197] ? rcu_is_watching+0x16/0xd0 [ 9.186062][ T197] do_group_exit+0xb8/0x370 [ 9.186065][ T197] __x64_sys_exit_group+0x3c/0x50 [ 9.186067][ T197] x64_sys_call+0x1567/0x1570 [ 9.186069][ T197] do_syscall_64+0xff/0x530 [ 9.186073][ T197] ? exc_page_fault+0xee/0x100 [ 9.186076][ T197] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.186078][ T197] RIP: 0033:0x7fdae71401b8 [ 9.186080][ T197] Code: Unable to access opcode bytes at 0x7fdae714018e. [ 9.186081][ T197] RSP: 002b:00007fff19f08dd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.186084][ T197] RAX: ffffffffffffffda RBX: 00007fdae7270f88 RCX: 00007fdae71401b8 [ 9.186085][ T197] RDX: 00007fdae6e8afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.186086][ T197] RBP: 00007fff19f08e30 R08: 0000000000000000 R09: 0000000000000050 [ 9.186087][ T197] R10: 00007fff19f08bf0 R11: 0000000000000246 R12: 0000000000000001 [ 9.186087][ T197] R13: 0000000000000000 R14: 00007fdae726f680 R15: 00007fdae7270fa0 [ 9.186094][ T197] [ 9.786638][ T215] GACT probability NOT on [ 17.075645][ T630] cmsg_sender (630) used greatest stack depth: 23936 bytes left [ 17.075661][ T630] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.075663][ T630] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 630, name: cmsg_sender [ 17.075665][ T630] preempt_count: 2, expected: 0 [ 17.075666][ T630] RCU nest depth: 0, expected: 0 [ 17.075666][ T630] locks held by cmsg_sender/630: 5, last CPU#3: [ 17.075668][ T630] #0: ffffffff878167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 17.075680][ T630] #1: ffffffff8797ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.075684][ T630] #2: ffffffff8797de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.075689][ T630] #3: ffffffff8789d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.075692][ T630] #4: ffffffff8789d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.075696][ T630] irq event stamp: 27978 [ 17.075697][ T630] hardirqs last enabled at (27977): [] __down_trylock_console_sem+0x86/0xa0 [ 17.075700][ T630] hardirqs last disabled at (27978): [] console_emit_next_record+0x3d4/0x4c0 [ 17.075702][ T630] softirqs last enabled at (27696): [] handle_softirqs+0x67c/0x900 [ 17.075704][ T630] softirqs last disabled at (26167): [] __irq_exit_rcu+0x145/0x1c0 [ 17.075710][ T630] Preemption disabled at: [ 17.075711][ T630] [<0000000000000000>] 0x0 [ 17.075717][ T630] CPU: 3 UID: 0 PID: 630 Comm: cmsg_sender Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.075721][ T630] Tainted: [W]=WARN [ 17.075722][ T630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.075724][ T630] Call Trace: [ 17.075725][ T630] [ 17.075727][ T630] dump_stack_lvl+0x6f/0xa0 [ 17.075733][ T630] __might_resched.cold+0x1fe/0x2c1 [ 17.075738][ T630] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.075742][ T630] ? __kmalloc_noprof+0xdb/0x760 [ 17.075747][ T630] __kmalloc_noprof+0x443/0x760 [ 17.075749][ T630] ? alloc_buf.isra.0+0x4b/0x260 [ 17.075755][ T630] ? do_raw_spin_unlock+0x59/0x250 [ 17.075758][ T630] alloc_buf.isra.0+0x4b/0x260 [ 17.075762][ T630] put_chars+0x1e1/0x2f0 [ 17.075764][ T630] ? __send_to_port+0x420/0x420 [ 17.075765][ T630] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.075769][ T630] ? validate_chain+0x38b/0xc20 [ 17.075774][ T630] hvc_console_print+0x292/0x780 [ 17.075781][ T630] ? hvc_write+0x3a0/0x3a0 [ 17.075784][ T630] ? rcu_is_watching+0x16/0xd0 [ 17.075786][ T630] ? lock_acquire+0x13c/0x160 [ 17.075790][ T630] console_emit_next_record+0x22f/0x4c0 [ 17.075794][ T630] ? devkmsg_read+0x4b0/0x4b0 [ 17.075796][ T630] ? console_flush_one_record+0x106/0x710 [ 17.075799][ T630] ? rcu_is_watching+0x16/0xd0 [ 17.075801][ T630] ? lock_acquire+0x13c/0x160 [ 17.075806][ T630] console_flush_one_record+0x46f/0x710 [ 17.075811][ T630] ? console_emit_next_record+0x4c0/0x4c0 [ 17.075813][ T630] ? __lock_acquire+0x518/0xc20 [ 17.075818][ T630] console_unlock+0xee/0x1f0 [ 17.075821][ T630] ? console_flush_one_record+0x710/0x710 [ 17.075822][ T630] ? rcu_is_watching+0x16/0xd0 [ 17.075824][ T630] ? lock_acquire+0xe0/0x160 [ 17.075828][ T630] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.075829][ T630] ? vprintk_emit+0x320/0x3e0 [ 17.075832][ T630] vprintk_emit+0x37c/0x3e0 [ 17.075835][ T630] ? wake_up_klogd_work_func+0x90/0x90 [ 17.075838][ T630] ? __lock_acquire+0x518/0xc20 [ 17.075842][ T630] _printk+0xc7/0x100 [ 17.075845][ T630] ? snapshot_read.cold+0x21/0x21 [ 17.075848][ T630] ? do_raw_spin_lock+0x131/0x280 [ 17.075851][ T630] ? __rwlock_init+0x150/0x150 [ 17.075854][ T630] ? do_raw_spin_lock+0x131/0x280 [ 17.075857][ T630] do_exit.cold+0x82/0x9c [ 17.075861][ T630] ? exit_notify+0x890/0x890 [ 17.075862][ T630] ? __lock_release.isra.0+0x69/0x1a0 [ 17.075865][ T630] ? rcu_is_watching+0x16/0xd0 [ 17.075869][ T630] do_group_exit+0xb8/0x370 [ 17.075871][ T630] __x64_sys_exit_group+0x3c/0x50 [ 17.075873][ T630] x64_sys_call+0x1567/0x1570 [ 17.075876][ T630] do_syscall_64+0xff/0x530 [ 17.075880][ T630] ? exc_page_fault+0xee/0x100 [ 17.075883][ T630] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.075885][ T630] RIP: 0033:0x7f540d7661b8 [ 17.075887][ T630] Code: Unable to access opcode bytes at 0x7f540d76618e. [ 17.075888][ T630] RSP: 002b:00007ffcb7fef8b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.075891][ T630] RAX: ffffffffffffffda RBX: 00007f540d896f88 RCX: 00007f540d7661b8 [ 17.075892][ T630] RDX: 00007f540d6a3a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 17.075893][ T630] RBP: 00007ffcb7fef910 R08: 0000000000000000 R09: 0000000000000020 [ 17.075894][ T630] R10: 00007ffcb7fef750 R11: 0000000000000246 R12: 0000000000000001 [ 17.075894][ T630] R13: 0000000000000000 R14: 00007f540d895680 R15: 00007f540d896fa0 [ 17.075901][ T630]