[ 10.150779][ T198] ip (198) used greatest stack depth: 24232 bytes left [ 10.150796][ T198] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.150798][ T198] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 198, name: ip [ 10.150800][ T198] preempt_count: 2, expected: 0 [ 10.150800][ T198] RCU nest depth: 0, expected: 0 [ 10.150801][ T198] locks held by ip/198: 5, last CPU#0: [ 10.150803][ T198] #0: ffffffffb14167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.150814][ T198] #1: ffffffffb157ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.150819][ T198] #2: ffffffffb157de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.150824][ T198] #3: ffffffffb149d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.150827][ T198] #4: ffffffffb149d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.150831][ T198] irq event stamp: 30594 [ 10.150832][ T198] hardirqs last enabled at (30593): [] __down_trylock_console_sem+0x86/0xa0 [ 10.150835][ T198] hardirqs last disabled at (30594): [] console_emit_next_record+0x3d4/0x4c0 [ 10.150837][ T198] softirqs last enabled at (30214): [] handle_softirqs+0x67c/0x900 [ 10.150839][ T198] softirqs last disabled at (30209): [] __irq_exit_rcu+0x145/0x1c0 [ 10.150842][ T198] Preemption disabled at: [ 10.150842][ T198] [<0000000000000000>] 0x0 [ 10.150849][ T198] CPU: 0 UID: 0 PID: 198 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.150852][ T198] Tainted: [W]=WARN [ 10.150853][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.150855][ T198] Call Trace: [ 10.150856][ T198] [ 10.150858][ T198] dump_stack_lvl+0x6f/0xa0 [ 10.150864][ T198] __might_resched.cold+0x1fe/0x2c1 [ 10.150869][ T198] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.150873][ T198] ? __kmalloc_noprof+0xdb/0x760 [ 10.150877][ T198] __kmalloc_noprof+0x443/0x760 [ 10.150879][ T198] ? alloc_buf.isra.0+0x4b/0x260 [ 10.150886][ T198] ? do_raw_spin_unlock+0x59/0x250 [ 10.150888][ T198] alloc_buf.isra.0+0x4b/0x260 [ 10.150892][ T198] put_chars+0x1e1/0x2f0 [ 10.150895][ T198] ? __send_to_port+0x420/0x420 [ 10.150896][ T198] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.150899][ T198] ? validate_chain+0x38b/0xc20 [ 10.150905][ T198] hvc_console_print+0x292/0x780 [ 10.150912][ T198] ? hvc_write+0x3a0/0x3a0 [ 10.150915][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.150917][ T198] ? lock_acquire+0x13c/0x160 [ 10.150921][ T198] console_emit_next_record+0x22f/0x4c0 [ 10.150925][ T198] ? devkmsg_read+0x4b0/0x4b0 [ 10.150926][ T198] ? console_flush_one_record+0x106/0x710 [ 10.150930][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.150931][ T198] ? lock_acquire+0x13c/0x160 [ 10.150935][ T198] console_flush_one_record+0x46f/0x710 [ 10.150939][ T198] ? console_emit_next_record+0x4c0/0x4c0 [ 10.150941][ T198] ? __lock_acquire+0x518/0xc20 [ 10.150946][ T198] console_unlock+0xee/0x1f0 [ 10.150949][ T198] ? console_flush_one_record+0x710/0x710 [ 10.150951][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.150952][ T198] ? lock_acquire+0xe0/0x160 [ 10.150956][ T198] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.150958][ T198] ? vprintk_emit+0x320/0x3e0 [ 10.150960][ T198] vprintk_emit+0x37c/0x3e0 [ 10.150963][ T198] ? wake_up_klogd_work_func+0x90/0x90 [ 10.150966][ T198] ? __lock_acquire+0x518/0xc20 [ 10.150970][ T198] _printk+0xc7/0x100 [ 10.150974][ T198] ? snapshot_read.cold+0x21/0x21 [ 10.150976][ T198] ? do_raw_spin_lock+0x131/0x280 [ 10.150979][ T198] ? __rwlock_init+0x150/0x150 [ 10.150983][ T198] ? do_raw_spin_lock+0x131/0x280 [ 10.150986][ T198] do_exit.cold+0x82/0x9c [ 10.150989][ T198] ? exit_notify+0x890/0x890 [ 10.150991][ T198] ? __lock_release.isra.0+0x69/0x1a0 [ 10.150993][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.150997][ T198] do_group_exit+0xb8/0x370 [ 10.151000][ T198] __x64_sys_exit_group+0x3c/0x50 [ 10.151001][ T198] x64_sys_call+0x1567/0x1570 [ 10.151004][ T198] do_syscall_64+0xff/0x530 [ 10.151008][ T198] ? exc_page_fault+0xee/0x100 [ 10.151011][ T198] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.151013][ T198] RIP: 0033:0x7fb00aac91b8 [ 10.151015][ T198] Code: Unable to access opcode bytes at 0x7fb00aac918e. [ 10.151016][ T198] RSP: 002b:00007ffc08e556e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.151019][ T198] RAX: ffffffffffffffda RBX: 00007fb00abf9f88 RCX: 00007fb00aac91b8 [ 10.151020][ T198] RDX: 00007fb00a813fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.151021][ T198] RBP: 00007ffc08e55740 R08: 0000000000000000 R09: 0000000000000050 [ 10.151022][ T198] R10: 00007ffc08e55500 R11: 0000000000000246 R12: 0000000000000001 [ 10.151023][ T198] R13: 0000000000000000 R14: 00007fb00abf8680 R15: 00007fb00abf9fa0 [ 10.151029][ T198] [ 10.352320][ T203] ip (203) used greatest stack depth: 24032 bytes left