[ 10.492748][ T203] ip (203) used greatest stack depth: 24256 bytes left [ 10.492764][ T203] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.492766][ T203] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 203, name: ip [ 10.492768][ T203] preempt_count: 2, expected: 0 [ 10.492769][ T203] RCU nest depth: 0, expected: 0 [ 10.492770][ T203] locks held by ip/203: 5, last CPU#3: [ 10.492772][ T203] #0: ffffffff9b8167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.492783][ T203] #1: ffffffff9b97ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.492788][ T203] #2: ffffffff9b97de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.492793][ T203] #3: ffffffff9b89d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.492797][ T203] #4: ffffffff9b89d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.492801][ T203] irq event stamp: 39576 [ 10.492802][ T203] hardirqs last enabled at (39575): [] __down_trylock_console_sem+0x86/0xa0 [ 10.492805][ T203] hardirqs last disabled at (39576): [] console_emit_next_record+0x3d4/0x4c0 [ 10.492808][ T203] softirqs last enabled at (39284): [] handle_softirqs+0x67c/0x900 [ 10.492810][ T203] softirqs last disabled at (39275): [] __irq_exit_rcu+0x145/0x1c0 [ 10.492813][ T203] Preemption disabled at: [ 10.492813][ T203] [<0000000000000000>] 0x0 [ 10.492820][ T203] CPU: 3 UID: 0 PID: 203 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.492824][ T203] Tainted: [W]=WARN [ 10.492825][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.492827][ T203] Call Trace: [ 10.492828][ T203] [ 10.492830][ T203] dump_stack_lvl+0x6f/0xa0 [ 10.492837][ T203] __might_resched.cold+0x1fe/0x2c1 [ 10.492842][ T203] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.492846][ T203] ? __kmalloc_noprof+0xdb/0x760 [ 10.492850][ T203] __kmalloc_noprof+0x443/0x760 [ 10.492852][ T203] ? alloc_buf.isra.0+0x4b/0x260 [ 10.492859][ T203] ? do_raw_spin_unlock+0x59/0x250 [ 10.492862][ T203] alloc_buf.isra.0+0x4b/0x260 [ 10.492866][ T203] put_chars+0x1e1/0x2f0 [ 10.492869][ T203] ? __send_to_port+0x420/0x420 [ 10.492870][ T203] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.492874][ T203] ? validate_chain+0x38b/0xc20 [ 10.492880][ T203] hvc_console_print+0x292/0x780 [ 10.492888][ T203] ? hvc_write+0x3a0/0x3a0 [ 10.492891][ T203] ? rcu_is_watching+0x16/0xd0 [ 10.492893][ T203] ? lock_acquire+0x13c/0x160 [ 10.492898][ T203] console_emit_next_record+0x22f/0x4c0 [ 10.492902][ T203] ? devkmsg_read+0x4b0/0x4b0 [ 10.492904][ T203] ? console_flush_one_record+0x106/0x710 [ 10.492907][ T203] ? rcu_is_watching+0x16/0xd0 [ 10.492909][ T203] ? lock_acquire+0x13c/0x160 [ 10.492913][ T203] console_flush_one_record+0x46f/0x710 [ 10.492918][ T203] ? console_emit_next_record+0x4c0/0x4c0 [ 10.492920][ T203] ? __lock_acquire+0x518/0xc20 [ 10.492926][ T203] console_unlock+0xee/0x1f0 [ 10.492929][ T203] ? console_flush_one_record+0x710/0x710 [ 10.492931][ T203] ? rcu_is_watching+0x16/0xd0 [ 10.492933][ T203] ? lock_acquire+0xe0/0x160 [ 10.492937][ T203] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.492939][ T203] ? vprintk_emit+0x320/0x3e0 [ 10.492942][ T203] vprintk_emit+0x37c/0x3e0 [ 10.492945][ T203] ? wake_up_klogd_work_func+0x90/0x90 [ 10.492948][ T203] ? __lock_acquire+0x518/0xc20 [ 10.492952][ T203] _printk+0xc7/0x100 [ 10.492956][ T203] ? snapshot_read.cold+0x21/0x21 [ 10.492959][ T203] ? do_raw_spin_lock+0x131/0x280 [ 10.492962][ T203] ? __rwlock_init+0x150/0x150 [ 10.492966][ T203] ? do_raw_spin_lock+0x131/0x280 [ 10.492969][ T203] do_exit.cold+0x82/0x9c [ 10.492973][ T203] ? exit_notify+0x890/0x890 [ 10.492975][ T203] ? __lock_release.isra.0+0x69/0x1a0 [ 10.492978][ T203] ? rcu_is_watching+0x16/0xd0 [ 10.492982][ T203] do_group_exit+0xb8/0x370 [ 10.492985][ T203] __x64_sys_exit_group+0x3c/0x50 [ 10.492987][ T203] x64_sys_call+0x1567/0x1570 [ 10.492990][ T203] do_syscall_64+0xff/0x530 [ 10.492994][ T203] ? exc_page_fault+0xee/0x100 [ 10.492997][ T203] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.492999][ T203] RIP: 0033:0x7f200946c1b8 [ 10.493002][ T203] Code: Unable to access opcode bytes at 0x7f200946c18e. [ 10.493003][ T203] RSP: 002b:00007ffdda545d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.493005][ T203] RAX: ffffffffffffffda RBX: 00007f200959cf88 RCX: 00007f200946c1b8 [ 10.493007][ T203] RDX: 00007f20091b6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.493008][ T203] RBP: 00007ffdda545d80 R08: 0000000000000000 R09: 0000000000008010 [ 10.493009][ T203] R10: 00007ffdda545b40 R11: 0000000000000246 R12: 0000000000000001 [ 10.493009][ T203] R13: 0000000000000000 R14: 00007f200959b680 R15: 00007f200959cfa0 [ 10.493017][ T203] [ 10.788532][ T219] veth0: renamed from veth-rt-1 [ 11.236651][ T229] veth0: renamed from veth-rt-2 [ 11.373403][ T232] ip (232) used greatest stack depth: 23648 bytes left