[ 9.839781][ T181] ip (181) used greatest stack depth: 23584 bytes left [ 9.839797][ T181] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.839799][ T181] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 181, name: ip [ 9.839800][ T181] preempt_count: 2, expected: 0 [ 9.839801][ T181] RCU nest depth: 0, expected: 0 [ 9.839802][ T181] locks held by ip/181: 5, last CPU#3: [ 9.839804][ T181] #0: ffffffff94202f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.839816][ T181] #1: ffffffff9436a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.839821][ T181] #2: ffffffff9436a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.839824][ T181] #3: ffffffff94289de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.839827][ T181] #4: ffffffff94289ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.839831][ T181] irq event stamp: 24932 [ 9.839831][ T181] hardirqs last enabled at (24931): [] __down_trylock_console_sem+0x86/0xa0 [ 9.839835][ T181] hardirqs last disabled at (24932): [] console_emit_next_record+0x3d4/0x4c0 [ 9.839836][ T181] softirqs last enabled at (23376): [] netlink_release+0x17b/0xcf0 [ 9.839840][ T181] softirqs last disabled at (23374): [] netlink_release+0xd2/0xcf0 [ 9.839843][ T181] Preemption disabled at: [ 9.839843][ T181] [<0000000000000000>] 0x0 [ 9.839850][ T181] CPU: 3 UID: 0 PID: 181 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.839853][ T181] Tainted: [W]=WARN [ 9.839854][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.839856][ T181] Call Trace: [ 9.839857][ T181] [ 9.839859][ T181] dump_stack_lvl+0x6f/0xa0 [ 9.839864][ T181] __might_resched.cold+0x1fe/0x2c1 [ 9.839869][ T181] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.839872][ T181] ? __kmalloc_noprof+0xdb/0x760 [ 9.839877][ T181] __kmalloc_noprof+0x443/0x760 [ 9.839879][ T181] ? alloc_buf.isra.0+0x4b/0x260 [ 9.839885][ T181] ? do_raw_spin_unlock+0x59/0x250 [ 9.839888][ T181] alloc_buf.isra.0+0x4b/0x260 [ 9.839891][ T181] put_chars+0x1e1/0x2f0 [ 9.839894][ T181] ? __send_to_port+0x420/0x420 [ 9.839901][ T181] hvc_console_print+0x292/0x780 [ 9.839907][ T181] ? hvc_write+0x3a0/0x3a0 [ 9.839910][ T181] ? lock_acquire+0x13c/0x160 [ 9.839914][ T181] console_emit_next_record+0x22f/0x4c0 [ 9.839918][ T181] ? devkmsg_read+0x4b0/0x4b0 [ 9.839919][ T181] ? console_flush_one_record+0x106/0x710 [ 9.839921][ T181] ? rcu_is_watching+0x16/0xd0 [ 9.839925][ T181] ? lock_acquire+0x13c/0x160 [ 9.839929][ T181] console_flush_one_record+0x46f/0x710 [ 9.839932][ T181] ? console_emit_next_record+0x4c0/0x4c0 [ 9.839933][ T181] ? __lock_acquire+0x518/0xc20 [ 9.839939][ T181] console_unlock+0xee/0x1f0 [ 9.839941][ T181] ? console_flush_one_record+0x710/0x710 [ 9.839942][ T181] ? rcu_is_watching+0x16/0xd0 [ 9.839944][ T181] ? lock_acquire+0x60/0x160 [ 9.839948][ T181] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.839950][ T181] ? vprintk_emit+0x320/0x3e0 [ 9.839952][ T181] vprintk_emit+0x37c/0x3e0 [ 9.839956][ T181] ? wake_up_klogd_work_func+0x90/0x90 [ 9.839958][ T181] ? __lock_acquire+0x518/0xc20 [ 9.839962][ T181] _printk+0xc7/0x100 [ 9.839966][ T181] ? snapshot_read.cold+0x21/0x21 [ 9.839968][ T181] ? do_raw_spin_lock+0x131/0x280 [ 9.839971][ T181] ? __rwlock_init+0x150/0x150 [ 9.839975][ T181] ? do_raw_spin_lock+0x131/0x280 [ 9.839978][ T181] do_exit.cold+0x82/0x9c [ 9.839981][ T181] ? exit_notify+0x890/0x890 [ 9.839983][ T181] ? __lock_release.isra.0+0x69/0x1a0 [ 9.839986][ T181] ? rcu_is_watching+0x16/0xd0 [ 9.839989][ T181] do_group_exit+0xb8/0x370 [ 9.839992][ T181] __x64_sys_exit_group+0x3c/0x50 [ 9.839994][ T181] x64_sys_call+0x1567/0x1570 [ 9.839997][ T181] do_syscall_64+0x10e/0x570 [ 9.840000][ T181] ? exc_page_fault+0xee/0x100 [ 9.840003][ T181] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.840005][ T181] RIP: 0033:0x7fea920931b8 [ 9.840007][ T181] Code: Unable to access opcode bytes at 0x7fea9209318e. [ 9.840008][ T181] RSP: 002b:00007ffff5cacfc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.840011][ T181] RAX: ffffffffffffffda RBX: 00007fea921c3f88 RCX: 00007fea920931b8 [ 9.840012][ T181] RDX: 00007fea91dddfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.840013][ T181] RBP: 00007ffff5cad020 R08: 0000000000000000 R09: 0000000000000050 [ 9.840013][ T181] R10: 00007ffff5cacde0 R11: 0000000000000246 R12: 0000000000000001 [ 9.840014][ T181] R13: 0000000000000000 R14: 00007fea921c2680 R15: 00007fea921c3fa0 [ 9.840021][ T181]