[ 11.090618][ T202] ip (202) used greatest stack depth: 23960 bytes left [ 11.090641][ T202] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.090644][ T202] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 202, name: ip [ 11.090645][ T202] preempt_count: 2, expected: 0 [ 11.090646][ T202] RCU nest depth: 0, expected: 0 [ 11.090647][ T202] locks held by ip/202: 5, last CPU#3: [ 11.090649][ T202] #0: ffffffffb94167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.090660][ T202] #1: ffffffffb957ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.090665][ T202] #2: ffffffffb957de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.090669][ T202] #3: ffffffffb949d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.090673][ T202] #4: ffffffffb949d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.090677][ T202] irq event stamp: 23508 [ 11.090678][ T202] hardirqs last enabled at (23507): [] __down_trylock_console_sem+0x86/0xa0 [ 11.090681][ T202] hardirqs last disabled at (23508): [] console_emit_next_record+0x3d4/0x4c0 [ 11.090683][ T202] softirqs last enabled at (21946): [] handle_softirqs+0x67c/0x900 [ 11.090685][ T202] softirqs last disabled at (20679): [] __irq_exit_rcu+0x145/0x1c0 [ 11.090688][ T202] Preemption disabled at: [ 11.090689][ T202] [<0000000000000000>] 0x0 [ 11.090695][ T202] CPU: 3 UID: 0 PID: 202 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.090699][ T202] Tainted: [W]=WARN [ 11.090699][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.090701][ T202] Call Trace: [ 11.090703][ T202] [ 11.090704][ T202] dump_stack_lvl+0x6f/0xa0 [ 11.090710][ T202] __might_resched.cold+0x1fe/0x2c1 [ 11.090715][ T202] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.090719][ T202] ? __kmalloc_noprof+0xdb/0x760 [ 11.090723][ T202] __kmalloc_noprof+0x443/0x760 [ 11.090725][ T202] ? alloc_buf.isra.0+0x4b/0x260 [ 11.090732][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 11.090734][ T202] alloc_buf.isra.0+0x4b/0x260 [ 11.090738][ T202] put_chars+0x1e1/0x2f0 [ 11.090741][ T202] ? __send_to_port+0x420/0x420 [ 11.090742][ T202] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.090745][ T202] ? validate_chain+0x38b/0xc20 [ 11.090751][ T202] hvc_console_print+0x292/0x780 [ 11.090758][ T202] ? hvc_write+0x3a0/0x3a0 [ 11.090761][ T202] ? rcu_is_watching+0x16/0xd0 [ 11.090763][ T202] ? lock_acquire+0x13c/0x160 [ 11.090767][ T202] console_emit_next_record+0x22f/0x4c0 [ 11.090771][ T202] ? devkmsg_read+0x4b0/0x4b0 [ 11.090772][ T202] ? console_flush_one_record+0x106/0x710 [ 11.090776][ T202] ? rcu_is_watching+0x16/0xd0 [ 11.090777][ T202] ? lock_acquire+0x13c/0x160 [ 11.090781][ T202] console_flush_one_record+0x46f/0x710 [ 11.090785][ T202] ? console_emit_next_record+0x4c0/0x4c0 [ 11.090787][ T202] ? __lock_acquire+0x518/0xc20 [ 11.090792][ T202] console_unlock+0xee/0x1f0 [ 11.090795][ T202] ? console_flush_one_record+0x710/0x710 [ 11.090797][ T202] ? rcu_is_watching+0x16/0xd0 [ 11.090799][ T202] ? lock_acquire+0xe0/0x160 [ 11.090802][ T202] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.090804][ T202] ? vprintk_emit+0x320/0x3e0 [ 11.090807][ T202] vprintk_emit+0x37c/0x3e0 [ 11.090810][ T202] ? wake_up_klogd_work_func+0x90/0x90 [ 11.090812][ T202] ? __lock_acquire+0x518/0xc20 [ 11.090816][ T202] _printk+0xc7/0x100 [ 11.090820][ T202] ? snapshot_read.cold+0x21/0x21 [ 11.090822][ T202] ? do_raw_spin_lock+0x131/0x280 [ 11.090825][ T202] ? __rwlock_init+0x150/0x150 [ 11.090829][ T202] ? do_raw_spin_lock+0x131/0x280 [ 11.090832][ T202] do_exit.cold+0x82/0x9c [ 11.090835][ T202] ? exit_notify+0x890/0x890 [ 11.090837][ T202] ? __lock_release.isra.0+0x69/0x1a0 [ 11.090839][ T202] ? rcu_is_watching+0x16/0xd0 [ 11.090843][ T202] do_group_exit+0xb8/0x370 [ 11.090846][ T202] __x64_sys_exit_group+0x3c/0x50 [ 11.090847][ T202] x64_sys_call+0x1567/0x1570 [ 11.090850][ T202] do_syscall_64+0xff/0x530 [ 11.090854][ T202] ? exc_page_fault+0xee/0x100 [ 11.090857][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.090859][ T202] RIP: 0033:0x7f090b1a11b8 [ 11.090861][ T202] Code: Unable to access opcode bytes at 0x7f090b1a118e. [ 11.090862][ T202] RSP: 002b:00007ffc027e2f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.090865][ T202] RAX: ffffffffffffffda RBX: 00007f090b2d1f88 RCX: 00007f090b1a11b8 [ 11.090866][ T202] RDX: 00007f090aeebfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.090867][ T202] RBP: 00007ffc027e2fb0 R08: 0000000000000000 R09: 0000000000000050 [ 11.090868][ T202] R10: 00007ffc027e2d70 R11: 0000000000000246 R12: 0000000000000001 [ 11.090869][ T202] R13: 0000000000000000 R14: 00007f090b2d0680 R15: 00007f090b2d1fa0 [ 11.090875][ T202]