[ 9.761321][ T217] ip (217) used greatest stack depth: 23728 bytes left [ 9.761339][ T217] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.761341][ T217] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 217, name: ip [ 9.761342][ T217] preempt_count: 2, expected: 0 [ 9.761343][ T217] RCU nest depth: 0, expected: 0 [ 9.761344][ T217] locks held by ip/217: 5, last CPU#0: [ 9.761346][ T217] #0: ffffffff86c167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.761359][ T217] #1: ffffffff86d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.761364][ T217] #2: ffffffff86d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.761368][ T217] #3: ffffffff86c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.761372][ T217] #4: ffffffff86c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.761377][ T217] irq event stamp: 21176 [ 9.761378][ T217] hardirqs last enabled at (21175): [] __down_trylock_console_sem+0x86/0xa0 [ 9.761381][ T217] hardirqs last disabled at (21176): [] console_emit_next_record+0x3d4/0x4c0 [ 9.761384][ T217] softirqs last enabled at (19468): [] netlink_release+0x17b/0xcf0 [ 9.761388][ T217] softirqs last disabled at (19466): [] netlink_release+0xd2/0xcf0 [ 9.761391][ T217] Preemption disabled at: [ 9.761391][ T217] [<0000000000000000>] 0x0 [ 9.761398][ T217] CPU: 0 UID: 0 PID: 217 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.761402][ T217] Tainted: [W]=WARN [ 9.761403][ T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.761405][ T217] Call Trace: [ 9.761407][ T217] [ 9.761408][ T217] dump_stack_lvl+0x6f/0xa0 [ 9.761415][ T217] __might_resched.cold+0x1fe/0x2c1 [ 9.761420][ T217] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.761425][ T217] ? __kmalloc_noprof+0xdb/0x760 [ 9.761430][ T217] __kmalloc_noprof+0x443/0x760 [ 9.761432][ T217] ? alloc_buf.isra.0+0x4b/0x260 [ 9.761439][ T217] ? do_raw_spin_unlock+0x59/0x250 [ 9.761442][ T217] alloc_buf.isra.0+0x4b/0x260 [ 9.761446][ T217] put_chars+0x1e1/0x2f0 [ 9.761449][ T217] ? __send_to_port+0x420/0x420 [ 9.761450][ T217] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.761454][ T217] ? validate_chain+0x38b/0xc20 [ 9.761460][ T217] hvc_console_print+0x292/0x780 [ 9.761468][ T217] ? hvc_write+0x3a0/0x3a0 [ 9.761470][ T217] ? rcu_is_watching+0x16/0xd0 [ 9.761473][ T217] ? lock_acquire+0x13c/0x160 [ 9.761477][ T217] console_emit_next_record+0x22f/0x4c0 [ 9.761481][ T217] ? devkmsg_read+0x4b0/0x4b0 [ 9.761483][ T217] ? console_flush_one_record+0x106/0x710 [ 9.761487][ T217] ? rcu_is_watching+0x16/0xd0 [ 9.761489][ T217] ? lock_acquire+0x13c/0x160 [ 9.761493][ T217] console_flush_one_record+0x46f/0x710 [ 9.761497][ T217] ? console_emit_next_record+0x4c0/0x4c0 [ 9.761499][ T217] ? __lock_acquire+0x518/0xc20 [ 9.761505][ T217] console_unlock+0xee/0x1f0 [ 9.761508][ T217] ? console_flush_one_record+0x710/0x710 [ 9.761510][ T217] ? rcu_is_watching+0x16/0xd0 [ 9.761511][ T217] ? lock_acquire+0xe0/0x160 [ 9.761515][ T217] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.761517][ T217] ? vprintk_emit+0x320/0x3e0 [ 9.761520][ T217] vprintk_emit+0x37c/0x3e0 [ 9.761524][ T217] ? wake_up_klogd_work_func+0x90/0x90 [ 9.761527][ T217] ? __lock_acquire+0x518/0xc20 [ 9.761532][ T217] _printk+0xc7/0x100 [ 9.761536][ T217] ? snapshot_read.cold+0x21/0x21 [ 9.761539][ T217] ? do_raw_spin_lock+0x131/0x280 [ 9.761542][ T217] ? __rwlock_init+0x150/0x150 [ 9.761546][ T217] ? do_raw_spin_lock+0x131/0x280 [ 9.761552][ T217] do_exit.cold+0x82/0x9c [ 9.761557][ T217] ? exit_notify+0x890/0x890 [ 9.761558][ T217] ? __lock_release.isra.0+0x69/0x1a0 [ 9.761562][ T217] ? rcu_is_watching+0x16/0xd0 [ 9.761567][ T217] do_group_exit+0xb8/0x370 [ 9.761570][ T217] __x64_sys_exit_group+0x3c/0x50 [ 9.761572][ T217] x64_sys_call+0x1567/0x1570 [ 9.761575][ T217] do_syscall_64+0xff/0x530 [ 9.761580][ T217] ? exc_page_fault+0xee/0x100 [ 9.761583][ T217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.761585][ T217] RIP: 0033:0x7f1e0298c1b8 [ 9.761588][ T217] Code: Unable to access opcode bytes at 0x7f1e0298c18e. [ 9.761589][ T217] RSP: 002b:00007ffc01731d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.761592][ T217] RAX: ffffffffffffffda RBX: 00007f1e02abcf88 RCX: 00007f1e0298c1b8 [ 9.761594][ T217] RDX: 00007f1e026d6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.761595][ T217] RBP: 00007ffc01731dd0 R08: 0000000000000000 R09: 0000000000000050 [ 9.761596][ T217] R10: 00007ffc01731b90 R11: 0000000000000246 R12: 0000000000000001 [ 9.761597][ T217] R13: 0000000000000000 R14: 00007f1e02abb680 R15: 00007f1e02abcfa0 [ 9.761605][ T217]