[ 10.532583][ T208] ip (208) used greatest stack depth: 23776 bytes left [ 10.532602][ T208] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.532605][ T208] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 208, name: ip [ 10.532607][ T208] preempt_count: 2, expected: 0 [ 10.532607][ T208] RCU nest depth: 0, expected: 0 [ 10.532608][ T208] locks held by ip/208: 5, last CPU#2: [ 10.532610][ T208] #0: ffffffff9b0027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.532623][ T208] #1: ffffffff9b169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.532629][ T208] #2: ffffffff9b169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.532632][ T208] #3: ffffffff9b089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.532636][ T208] #4: ffffffff9b089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.532639][ T208] irq event stamp: 48074 [ 10.532640][ T208] hardirqs last enabled at (48073): [] __down_trylock_console_sem+0x86/0xa0 [ 10.532644][ T208] hardirqs last disabled at (48074): [] console_emit_next_record+0x3d4/0x4c0 [ 10.532645][ T208] softirqs last enabled at (47684): [] handle_softirqs+0x67c/0x900 [ 10.532648][ T208] softirqs last disabled at (47677): [] __irq_exit_rcu+0x145/0x1c0 [ 10.532650][ T208] Preemption disabled at: [ 10.532651][ T208] [<0000000000000000>] 0x0 [ 10.532659][ T208] CPU: 2 UID: 0 PID: 208 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.532662][ T208] Tainted: [W]=WARN [ 10.532663][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.532665][ T208] Call Trace: [ 10.532667][ T208] [ 10.532668][ T208] dump_stack_lvl+0x6f/0xa0 [ 10.532674][ T208] __might_resched.cold+0x1fe/0x2c1 [ 10.532679][ T208] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.532682][ T208] ? __kmalloc_noprof+0xdb/0x760 [ 10.532687][ T208] __kmalloc_noprof+0x443/0x760 [ 10.532690][ T208] ? alloc_buf.isra.0+0x4b/0x260 [ 10.532696][ T208] ? do_raw_spin_unlock+0x59/0x250 [ 10.532700][ T208] alloc_buf.isra.0+0x4b/0x260 [ 10.532703][ T208] put_chars+0x1e1/0x2f0 [ 10.532706][ T208] ? __send_to_port+0x420/0x420 [ 10.532708][ T208] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.532712][ T208] ? validate_chain+0x38b/0xc20 [ 10.532718][ T208] hvc_console_print+0x292/0x780 [ 10.532725][ T208] ? hvc_write+0x3a0/0x3a0 [ 10.532728][ T208] ? rcu_is_watching+0x16/0xd0 [ 10.532730][ T208] ? lock_acquire+0x13c/0x160 [ 10.532734][ T208] console_emit_next_record+0x22f/0x4c0 [ 10.532737][ T208] ? devkmsg_read+0x4b0/0x4b0 [ 10.532739][ T208] ? console_flush_one_record+0x106/0x710 [ 10.532742][ T208] ? rcu_is_watching+0x16/0xd0 [ 10.532744][ T208] ? lock_acquire+0x13c/0x160 [ 10.532748][ T208] console_flush_one_record+0x46f/0x710 [ 10.532751][ T208] ? console_emit_next_record+0x4c0/0x4c0 [ 10.532753][ T208] ? __lock_acquire+0x518/0xc20 [ 10.532758][ T208] console_unlock+0xee/0x1f0 [ 10.532761][ T208] ? console_flush_one_record+0x710/0x710 [ 10.532762][ T208] ? rcu_is_watching+0x16/0xd0 [ 10.532764][ T208] ? lock_acquire+0x60/0x160 [ 10.532768][ T208] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.532770][ T208] ? vprintk_emit+0x320/0x3e0 [ 10.532773][ T208] vprintk_emit+0x37c/0x3e0 [ 10.532776][ T208] ? wake_up_klogd_work_func+0x90/0x90 [ 10.532779][ T208] ? __lock_acquire+0x518/0xc20 [ 10.532783][ T208] _printk+0xc7/0x100 [ 10.532788][ T208] ? snapshot_read.cold+0x21/0x21 [ 10.532791][ T208] ? do_raw_spin_lock+0x131/0x280 [ 10.532794][ T208] ? __rwlock_init+0x150/0x150 [ 10.532798][ T208] ? do_raw_spin_lock+0x131/0x280 [ 10.532801][ T208] do_exit.cold+0x82/0x9c [ 10.532804][ T208] ? exit_notify+0x890/0x890 [ 10.532806][ T208] ? __lock_release.isra.0+0x69/0x1a0 [ 10.532809][ T208] ? rcu_is_watching+0x16/0xd0 [ 10.532813][ T208] do_group_exit+0xb8/0x370 [ 10.532816][ T208] __x64_sys_exit_group+0x3c/0x50 [ 10.532818][ T208] x64_sys_call+0x1567/0x1570 [ 10.532821][ T208] do_syscall_64+0xff/0x530 [ 10.532825][ T208] ? exc_page_fault+0xee/0x100 [ 10.532828][ T208] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.532831][ T208] RIP: 0033:0x7fcf1a86a1b8 [ 10.532833][ T208] Code: Unable to access opcode bytes at 0x7fcf1a86a18e. [ 10.532834][ T208] RSP: 002b:00007ffc5d48c248 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.532836][ T208] RAX: ffffffffffffffda RBX: 00007fcf1a99af88 RCX: 00007fcf1a86a1b8 [ 10.532838][ T208] RDX: 00007fcf1a5b4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.532839][ T208] RBP: 00007ffc5d48c2a0 R08: 0000000000000000 R09: 0000000000008010 [ 10.532840][ T208] R10: 00007ffc5d48c060 R11: 0000000000000246 R12: 0000000000000001 [ 10.532840][ T208] R13: 0000000000000000 R14: 00007fcf1a999680 R15: 00007fcf1a99afa0 [ 10.532847][ T208]