[ 10.630862][ T191] ip (191) used greatest stack depth: 23832 bytes left [ 10.630881][ T191] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.630884][ T191] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 191, name: ip [ 10.630885][ T191] preempt_count: 2, expected: 0 [ 10.630886][ T191] RCU nest depth: 0, expected: 0 [ 10.630887][ T191] locks held by ip/191: 5, last CPU#3: [ 10.630889][ T191] #0: ffffffffb16167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.630900][ T191] #1: ffffffffb177ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.630905][ T191] #2: ffffffffb177de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.630910][ T191] #3: ffffffffb169d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.630914][ T191] #4: ffffffffb169d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.630918][ T191] irq event stamp: 42392 [ 10.630919][ T191] hardirqs last enabled at (42391): [] __down_trylock_console_sem+0x86/0xa0 [ 10.630922][ T191] hardirqs last disabled at (42392): [] console_emit_next_record+0x3d4/0x4c0 [ 10.630924][ T191] softirqs last enabled at (39960): [] handle_softirqs+0x67c/0x900 [ 10.630926][ T191] softirqs last disabled at (38631): [] __irq_exit_rcu+0x145/0x1c0 [ 10.630929][ T191] Preemption disabled at: [ 10.630929][ T191] [<0000000000000000>] 0x0 [ 10.630936][ T191] CPU: 3 UID: 0 PID: 191 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.630940][ T191] Tainted: [W]=WARN [ 10.630941][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.630943][ T191] Call Trace: [ 10.630944][ T191] [ 10.630946][ T191] dump_stack_lvl+0x6f/0xa0 [ 10.630952][ T191] __might_resched.cold+0x1fe/0x2c1 [ 10.630957][ T191] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.630961][ T191] ? __kmalloc_noprof+0xdb/0x760 [ 10.630966][ T191] __kmalloc_noprof+0x443/0x760 [ 10.630968][ T191] ? alloc_buf.isra.0+0x4b/0x260 [ 10.630975][ T191] ? do_raw_spin_unlock+0x59/0x250 [ 10.630978][ T191] alloc_buf.isra.0+0x4b/0x260 [ 10.630981][ T191] put_chars+0x1e1/0x2f0 [ 10.630984][ T191] ? __send_to_port+0x420/0x420 [ 10.630985][ T191] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.630989][ T191] ? validate_chain+0x38b/0xc20 [ 10.630994][ T191] hvc_console_print+0x292/0x780 [ 10.631002][ T191] ? hvc_write+0x3a0/0x3a0 [ 10.631005][ T191] ? rcu_is_watching+0x16/0xd0 [ 10.631007][ T191] ? lock_acquire+0x13c/0x160 [ 10.631013][ T191] console_emit_next_record+0x22f/0x4c0 [ 10.631018][ T191] ? devkmsg_read+0x4b0/0x4b0 [ 10.631019][ T191] ? console_flush_one_record+0x106/0x710 [ 10.631023][ T191] ? rcu_is_watching+0x16/0xd0 [ 10.631025][ T191] ? lock_acquire+0x13c/0x160 [ 10.631029][ T191] console_flush_one_record+0x46f/0x710 [ 10.631033][ T191] ? console_emit_next_record+0x4c0/0x4c0 [ 10.631035][ T191] ? __lock_acquire+0x518/0xc20 [ 10.631040][ T191] console_unlock+0xee/0x1f0 [ 10.631043][ T191] ? console_flush_one_record+0x710/0x710 [ 10.631045][ T191] ? rcu_is_watching+0x16/0xd0 [ 10.631047][ T191] ? lock_acquire+0xe0/0x160 [ 10.631051][ T191] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.631052][ T191] ? vprintk_emit+0x320/0x3e0 [ 10.631055][ T191] vprintk_emit+0x37c/0x3e0 [ 10.631058][ T191] ? wake_up_klogd_work_func+0x90/0x90 [ 10.631061][ T191] ? __lock_acquire+0x518/0xc20 [ 10.631065][ T191] _printk+0xc7/0x100 [ 10.631069][ T191] ? snapshot_read.cold+0x21/0x21 [ 10.631072][ T191] ? do_raw_spin_lock+0x131/0x280 [ 10.631074][ T191] ? __rwlock_init+0x150/0x150 [ 10.631078][ T191] ? do_raw_spin_lock+0x131/0x280 [ 10.631081][ T191] do_exit.cold+0x82/0x9c [ 10.631085][ T191] ? exit_notify+0x890/0x890 [ 10.631086][ T191] ? __lock_release.isra.0+0x69/0x1a0 [ 10.631089][ T191] ? rcu_is_watching+0x16/0xd0 [ 10.631093][ T191] do_group_exit+0xb8/0x370 [ 10.631096][ T191] __x64_sys_exit_group+0x3c/0x50 [ 10.631098][ T191] x64_sys_call+0x1567/0x1570 [ 10.631100][ T191] do_syscall_64+0xff/0x530 [ 10.631104][ T191] ? exc_page_fault+0xee/0x100 [ 10.631107][ T191] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.631110][ T191] RIP: 0033:0x7fb4b48871b8 [ 10.631112][ T191] Code: Unable to access opcode bytes at 0x7fb4b488718e. [ 10.631113][ T191] RSP: 002b:00007ffc5d3e7528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.631115][ T191] RAX: ffffffffffffffda RBX: 00007fb4b49b7f88 RCX: 00007fb4b48871b8 [ 10.631117][ T191] RDX: 00007fb4b45d1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.631118][ T191] RBP: 00007ffc5d3e7580 R08: 0000000000000000 R09: 0000000000000050 [ 10.631119][ T191] R10: 00007ffc5d3e7340 R11: 0000000000000246 R12: 0000000000000001 [ 10.631119][ T191] R13: 0000000000000000 R14: 00007fb4b49b6680 R15: 00007fb4b49b7fa0 [ 10.631126][ T191]