[ 9.344835][ T198] ip (198) used greatest stack depth: 24096 bytes left [ 9.344850][ T198] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.344852][ T198] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 198, name: ip [ 9.344854][ T198] preempt_count: 2, expected: 0 [ 9.344854][ T198] RCU nest depth: 0, expected: 0 [ 9.344855][ T198] locks held by ip/198: 5, last CPU#3: [ 9.344857][ T198] #0: ffffffff90e167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.344868][ T198] #1: ffffffff90f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.344873][ T198] #2: ffffffff90f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.344877][ T198] #3: ffffffff90e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.344880][ T198] #4: ffffffff90e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.344884][ T198] irq event stamp: 36434 [ 9.344885][ T198] hardirqs last enabled at (36433): [] __down_trylock_console_sem+0x86/0xa0 [ 9.344888][ T198] hardirqs last disabled at (36434): [] console_emit_next_record+0x3d4/0x4c0 [ 9.344890][ T198] softirqs last enabled at (35144): [] netlink_release+0x17b/0xcf0 [ 9.344894][ T198] softirqs last disabled at (35142): [] netlink_release+0xd2/0xcf0 [ 9.344897][ T198] Preemption disabled at: [ 9.344897][ T198] [<0000000000000000>] 0x0 [ 9.344904][ T198] CPU: 3 UID: 0 PID: 198 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.344908][ T198] Tainted: [W]=WARN [ 9.344909][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.344910][ T198] Call Trace: [ 9.344912][ T198] [ 9.344913][ T198] dump_stack_lvl+0x6f/0xa0 [ 9.344920][ T198] __might_resched.cold+0x1fe/0x2c1 [ 9.344924][ T198] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.344928][ T198] ? __kmalloc_noprof+0xdb/0x760 [ 9.344932][ T198] __kmalloc_noprof+0x443/0x760 [ 9.344934][ T198] ? alloc_buf.isra.0+0x4b/0x260 [ 9.344941][ T198] ? do_raw_spin_unlock+0x59/0x250 [ 9.344943][ T198] alloc_buf.isra.0+0x4b/0x260 [ 9.344947][ T198] put_chars+0x1e1/0x2f0 [ 9.344949][ T198] ? __send_to_port+0x420/0x420 [ 9.344950][ T198] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.344954][ T198] ? validate_chain+0x38b/0xc20 [ 9.344959][ T198] hvc_console_print+0x292/0x780 [ 9.344966][ T198] ? hvc_write+0x3a0/0x3a0 [ 9.344969][ T198] ? rcu_is_watching+0x16/0xd0 [ 9.344971][ T198] ? lock_acquire+0x13c/0x160 [ 9.344975][ T198] console_emit_next_record+0x22f/0x4c0 [ 9.344978][ T198] ? devkmsg_read+0x4b0/0x4b0 [ 9.344980][ T198] ? console_flush_one_record+0x106/0x710 [ 9.344983][ T198] ? rcu_is_watching+0x16/0xd0 [ 9.344985][ T198] ? lock_acquire+0x13c/0x160 [ 9.344989][ T198] console_flush_one_record+0x46f/0x710 [ 9.344993][ T198] ? console_emit_next_record+0x4c0/0x4c0 [ 9.344995][ T198] ? __lock_acquire+0x518/0xc20 [ 9.345000][ T198] console_unlock+0xee/0x1f0 [ 9.345002][ T198] ? console_flush_one_record+0x710/0x710 [ 9.345004][ T198] ? rcu_is_watching+0x16/0xd0 [ 9.345006][ T198] ? lock_acquire+0xe0/0x160 [ 9.345009][ T198] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.345011][ T198] ? vprintk_emit+0x320/0x3e0 [ 9.345014][ T198] vprintk_emit+0x37c/0x3e0 [ 9.345017][ T198] ? wake_up_klogd_work_func+0x90/0x90 [ 9.345019][ T198] ? __lock_acquire+0x518/0xc20 [ 9.345023][ T198] _printk+0xc7/0x100 [ 9.345027][ T198] ? snapshot_read.cold+0x21/0x21 [ 9.345029][ T198] ? do_raw_spin_lock+0x131/0x280 [ 9.345032][ T198] ? __rwlock_init+0x150/0x150 [ 9.345036][ T198] ? do_raw_spin_lock+0x131/0x280 [ 9.345038][ T198] do_exit.cold+0x82/0x9c [ 9.345042][ T198] ? exit_notify+0x890/0x890 [ 9.345043][ T198] ? __lock_release.isra.0+0x69/0x1a0 [ 9.345046][ T198] ? rcu_is_watching+0x16/0xd0 [ 9.345049][ T198] do_group_exit+0xb8/0x370 [ 9.345052][ T198] __x64_sys_exit_group+0x3c/0x50 [ 9.345054][ T198] x64_sys_call+0x1567/0x1570 [ 9.345056][ T198] do_syscall_64+0xff/0x530 [ 9.345060][ T198] ? exc_page_fault+0xee/0x100 [ 9.345063][ T198] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.345065][ T198] RIP: 0033:0x7fe9c9a3d1b8 [ 9.345067][ T198] Code: Unable to access opcode bytes at 0x7fe9c9a3d18e. [ 9.345068][ T198] RSP: 002b:00007ffd8af53dd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.345070][ T198] RAX: ffffffffffffffda RBX: 00007fe9c9b6df88 RCX: 00007fe9c9a3d1b8 [ 9.345072][ T198] RDX: 00007fe9c9787fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.345072][ T198] RBP: 00007ffd8af53e30 R08: 0000000000000000 R09: 0000000000000000 [ 9.345073][ T198] R10: 00007ffd8af53bf0 R11: 0000000000000246 R12: 0000000000000001 [ 9.345074][ T198] R13: 0000000000000000 R14: 00007fe9c9b6c680 R15: 00007fe9c9b6dfa0 [ 9.345080][ T198]