[ 9.444303][ T201] ip (201) used greatest stack depth: 24256 bytes left [ 9.444322][ T201] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.444324][ T201] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 201, name: ip [ 9.444326][ T201] preempt_count: 2, expected: 0 [ 9.444327][ T201] RCU nest depth: 0, expected: 0 [ 9.444328][ T201] locks held by ip/201: 5, last CPU#0: [ 9.444329][ T201] #0: ffffffffa76167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.444341][ T201] #1: ffffffffa777ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.444345][ T201] #2: ffffffffa777de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.444350][ T201] #3: ffffffffa769d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.444354][ T201] #4: ffffffffa769d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.444357][ T201] irq event stamp: 31942 [ 9.444358][ T201] hardirqs last enabled at (31941): [] __down_trylock_console_sem+0x86/0xa0 [ 9.444362][ T201] hardirqs last disabled at (31942): [] console_emit_next_record+0x3d4/0x4c0 [ 9.444364][ T201] softirqs last enabled at (31288): [] handle_softirqs+0x67c/0x900 [ 9.444366][ T201] softirqs last disabled at (31279): [] __irq_exit_rcu+0x145/0x1c0 [ 9.444368][ T201] Preemption disabled at: [ 9.444369][ T201] [<0000000000000000>] 0x0 [ 9.444375][ T201] CPU: 0 UID: 0 PID: 201 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.444379][ T201] Tainted: [W]=WARN [ 9.444380][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.444381][ T201] Call Trace: [ 9.444383][ T201] [ 9.444384][ T201] dump_stack_lvl+0x6f/0xa0 [ 9.444391][ T201] __might_resched.cold+0x1fe/0x2c1 [ 9.444395][ T201] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.444399][ T201] ? __kmalloc_noprof+0xdb/0x760 [ 9.444403][ T201] __kmalloc_noprof+0x443/0x760 [ 9.444405][ T201] ? alloc_buf.isra.0+0x4b/0x260 [ 9.444412][ T201] ? do_raw_spin_unlock+0x59/0x250 [ 9.444415][ T201] alloc_buf.isra.0+0x4b/0x260 [ 9.444419][ T201] put_chars+0x1e1/0x2f0 [ 9.444421][ T201] ? __send_to_port+0x420/0x420 [ 9.444422][ T201] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.444425][ T201] ? validate_chain+0x38b/0xc20 [ 9.444431][ T201] hvc_console_print+0x292/0x780 [ 9.444439][ T201] ? hvc_write+0x3a0/0x3a0 [ 9.444442][ T201] ? rcu_is_watching+0x16/0xd0 [ 9.444444][ T201] ? lock_acquire+0x13c/0x160 [ 9.444448][ T201] console_emit_next_record+0x22f/0x4c0 [ 9.444452][ T201] ? devkmsg_read+0x4b0/0x4b0 [ 9.444454][ T201] ? console_flush_one_record+0x106/0x710 [ 9.444457][ T201] ? rcu_is_watching+0x16/0xd0 [ 9.444459][ T201] ? lock_acquire+0x13c/0x160 [ 9.444462][ T201] console_flush_one_record+0x46f/0x710 [ 9.444466][ T201] ? console_emit_next_record+0x4c0/0x4c0 [ 9.444468][ T201] ? __lock_acquire+0x518/0xc20 [ 9.444473][ T201] console_unlock+0xee/0x1f0 [ 9.444476][ T201] ? console_flush_one_record+0x710/0x710 [ 9.444478][ T201] ? rcu_is_watching+0x16/0xd0 [ 9.444479][ T201] ? lock_acquire+0xe0/0x160 [ 9.444483][ T201] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.444485][ T201] ? vprintk_emit+0x320/0x3e0 [ 9.444487][ T201] vprintk_emit+0x37c/0x3e0 [ 9.444491][ T201] ? wake_up_klogd_work_func+0x90/0x90 [ 9.444494][ T201] ? __lock_acquire+0x518/0xc20 [ 9.444497][ T201] _printk+0xc7/0x100 [ 9.444501][ T201] ? snapshot_read.cold+0x21/0x21 [ 9.444505][ T201] ? do_raw_spin_lock+0x131/0x280 [ 9.444508][ T201] ? __rwlock_init+0x150/0x150 [ 9.444511][ T201] ? do_raw_spin_lock+0x131/0x280 [ 9.444514][ T201] do_exit.cold+0x82/0x9c [ 9.444518][ T201] ? exit_notify+0x890/0x890 [ 9.444519][ T201] ? __lock_release.isra.0+0x69/0x1a0 [ 9.444525][ T201] ? rcu_is_watching+0x16/0xd0 [ 9.444528][ T201] do_group_exit+0xb8/0x370 [ 9.444531][ T201] __x64_sys_exit_group+0x3c/0x50 [ 9.444533][ T201] x64_sys_call+0x1567/0x1570 [ 9.444536][ T201] do_syscall_64+0xff/0x530 [ 9.444539][ T201] ? exc_page_fault+0xee/0x100 [ 9.444542][ T201] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.444544][ T201] RIP: 0033:0x7fe0f614d1b8 [ 9.444546][ T201] Code: Unable to access opcode bytes at 0x7fe0f614d18e. [ 9.444547][ T201] RSP: 002b:00007ffd8201ce28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.444550][ T201] RAX: ffffffffffffffda RBX: 00007fe0f627df88 RCX: 00007fe0f614d1b8 [ 9.444551][ T201] RDX: 00007fe0f5e97fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.444552][ T201] RBP: 00007ffd8201ce80 R08: 0000000000000000 R09: 0000000000000050 [ 9.444553][ T201] R10: 00007ffd8201cc40 R11: 0000000000000246 R12: 0000000000000001 [ 9.444554][ T201] R13: 0000000000000000 R14: 00007fe0f627c680 R15: 00007fe0f627dfa0 [ 9.444560][ T201] [ 9.549157][ T204] ip (204) used greatest stack depth: 23664 bytes left