[ 10.287873][ T203] ip (203) used greatest stack depth: 24032 bytes left [ 10.287888][ T203] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.287890][ T203] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 203, name: ip [ 10.287892][ T203] preempt_count: 2, expected: 0 [ 10.287893][ T203] RCU nest depth: 0, expected: 0 [ 10.287894][ T203] locks held by ip/203: 5, last CPU#0: [ 10.287896][ T203] #0: ffffffff92a167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.287909][ T203] #1: ffffffff92b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.287914][ T203] #2: ffffffff92b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.287919][ T203] #3: ffffffff92a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.287923][ T203] #4: ffffffff92a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.287927][ T203] irq event stamp: 33366 [ 10.287928][ T203] hardirqs last enabled at (33365): [] __down_trylock_console_sem+0x86/0xa0 [ 10.287931][ T203] hardirqs last disabled at (33366): [] console_emit_next_record+0x3d4/0x4c0 [ 10.287933][ T203] softirqs last enabled at (33360): [] handle_softirqs+0x67c/0x900 [ 10.287936][ T203] softirqs last disabled at (33355): [] __irq_exit_rcu+0x145/0x1c0 [ 10.287938][ T203] Preemption disabled at: [ 10.287939][ T203] [<0000000000000000>] 0x0 [ 10.287945][ T203] CPU: 0 UID: 0 PID: 203 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.287949][ T203] Tainted: [W]=WARN [ 10.287950][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.287952][ T203] Call Trace: [ 10.287953][ T203] [ 10.287955][ T203] dump_stack_lvl+0x6f/0xa0 [ 10.287961][ T203] __might_resched.cold+0x1fe/0x2c1 [ 10.287966][ T203] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.287970][ T203] ? __kmalloc_noprof+0xdb/0x760 [ 10.287974][ T203] __kmalloc_noprof+0x443/0x760 [ 10.287976][ T203] ? alloc_buf.isra.0+0x4b/0x260 [ 10.287983][ T203] ? do_raw_spin_unlock+0x59/0x250 [ 10.287986][ T203] alloc_buf.isra.0+0x4b/0x260 [ 10.287990][ T203] put_chars+0x1e1/0x2f0 [ 10.287992][ T203] ? __send_to_port+0x420/0x420 [ 10.287994][ T203] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.287997][ T203] ? validate_chain+0x38b/0xc20 [ 10.288004][ T203] hvc_console_print+0x292/0x780 [ 10.288012][ T203] ? hvc_write+0x3a0/0x3a0 [ 10.288015][ T203] ? rcu_is_watching+0x16/0xd0 [ 10.288017][ T203] ? lock_acquire+0x13c/0x160 [ 10.288021][ T203] console_emit_next_record+0x22f/0x4c0 [ 10.288025][ T203] ? devkmsg_read+0x4b0/0x4b0 [ 10.288027][ T203] ? console_flush_one_record+0x106/0x710 [ 10.288030][ T203] ? rcu_is_watching+0x16/0xd0 [ 10.288032][ T203] ? lock_acquire+0x13c/0x160 [ 10.288037][ T203] console_flush_one_record+0x46f/0x710 [ 10.288041][ T203] ? console_emit_next_record+0x4c0/0x4c0 [ 10.288043][ T203] ? __lock_acquire+0x518/0xc20 [ 10.288049][ T203] console_unlock+0xee/0x1f0 [ 10.288052][ T203] ? console_flush_one_record+0x710/0x710 [ 10.288054][ T203] ? rcu_is_watching+0x16/0xd0 [ 10.288055][ T203] ? lock_acquire+0xe0/0x160 [ 10.288059][ T203] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.288061][ T203] ? vprintk_emit+0x320/0x3e0 [ 10.288064][ T203] vprintk_emit+0x37c/0x3e0 [ 10.288067][ T203] ? wake_up_klogd_work_func+0x90/0x90 [ 10.288070][ T203] ? __lock_acquire+0x518/0xc20 [ 10.288074][ T203] _printk+0xc7/0x100 [ 10.288077][ T203] ? snapshot_read.cold+0x21/0x21 [ 10.288080][ T203] ? do_raw_spin_lock+0x131/0x280 [ 10.288083][ T203] ? __rwlock_init+0x150/0x150 [ 10.288087][ T203] ? do_raw_spin_lock+0x131/0x280 [ 10.288090][ T203] do_exit.cold+0x82/0x9c [ 10.288094][ T203] ? exit_notify+0x890/0x890 [ 10.288095][ T203] ? __lock_release.isra.0+0x69/0x1a0 [ 10.288098][ T203] ? rcu_is_watching+0x16/0xd0 [ 10.288102][ T203] do_group_exit+0xb8/0x370 [ 10.288105][ T203] __x64_sys_exit_group+0x3c/0x50 [ 10.288107][ T203] x64_sys_call+0x1567/0x1570 [ 10.288109][ T203] do_syscall_64+0xff/0x530 [ 10.288114][ T203] ? exc_page_fault+0xee/0x100 [ 10.288117][ T203] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.288119][ T203] RIP: 0033:0x7f3dd7f411b8 [ 10.288121][ T203] Code: Unable to access opcode bytes at 0x7f3dd7f4118e. [ 10.288122][ T203] RSP: 002b:00007fff6cca80a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.288125][ T203] RAX: ffffffffffffffda RBX: 00007f3dd8071f88 RCX: 00007f3dd7f411b8 [ 10.288127][ T203] RDX: 00007f3dd7c8bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.288128][ T203] RBP: 00007fff6cca8100 R08: 0000000000000000 R09: 0000000000000000 [ 10.288130][ T203] R10: 00007fff6cca7ec0 R11: 0000000000000246 R12: 0000000000000001 [ 10.288131][ T203] R13: 0000000000000000 R14: 00007f3dd8070680 R15: 00007f3dd8071fa0 [ 10.288143][ T203]