[ 9.791187][ T185] ip (185) used greatest stack depth: 23840 bytes left [ 9.791205][ T185] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.791207][ T185] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 185, name: ip [ 9.791209][ T185] preempt_count: 2, expected: 0 [ 9.791209][ T185] RCU nest depth: 0, expected: 0 [ 9.791210][ T185] locks held by ip/185: 5, last CPU#2: [ 9.791213][ T185] #0: ffffffffb0c02f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.791225][ T185] #1: ffffffffb0d6a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.791230][ T185] #2: ffffffffb0d6a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.791233][ T185] #3: ffffffffb0c89de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.791236][ T185] #4: ffffffffb0c89ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.791240][ T185] irq event stamp: 30210 [ 9.791241][ T185] hardirqs last enabled at (30209): [] __down_trylock_console_sem+0x86/0xa0 [ 9.791245][ T185] hardirqs last disabled at (30210): [] console_emit_next_record+0x3d4/0x4c0 [ 9.791246][ T185] softirqs last enabled at (28648): [] netlink_release+0x17b/0xcf0 [ 9.791250][ T185] softirqs last disabled at (28646): [] netlink_release+0xd2/0xcf0 [ 9.791252][ T185] Preemption disabled at: [ 9.791253][ T185] [<0000000000000000>] 0x0 [ 9.791259][ T185] CPU: 2 UID: 0 PID: 185 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.791263][ T185] Tainted: [W]=WARN [ 9.791264][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.791265][ T185] Call Trace: [ 9.791267][ T185] [ 9.791268][ T185] dump_stack_lvl+0x6f/0xa0 [ 9.791274][ T185] __might_resched.cold+0x1fe/0x2c1 [ 9.791278][ T185] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.791282][ T185] ? __kmalloc_noprof+0xdb/0x760 [ 9.791287][ T185] __kmalloc_noprof+0x443/0x760 [ 9.791289][ T185] ? alloc_buf.isra.0+0x4b/0x260 [ 9.791295][ T185] ? do_raw_spin_unlock+0x59/0x250 [ 9.791298][ T185] alloc_buf.isra.0+0x4b/0x260 [ 9.791302][ T185] put_chars+0x1e1/0x2f0 [ 9.791304][ T185] ? __send_to_port+0x420/0x420 [ 9.791311][ T185] hvc_console_print+0x292/0x780 [ 9.791317][ T185] ? hvc_write+0x3a0/0x3a0 [ 9.791320][ T185] ? lock_acquire+0x13c/0x160 [ 9.791325][ T185] console_emit_next_record+0x22f/0x4c0 [ 9.791328][ T185] ? devkmsg_read+0x4b0/0x4b0 [ 9.791329][ T185] ? console_flush_one_record+0x106/0x710 [ 9.791332][ T185] ? rcu_is_watching+0x16/0xd0 [ 9.791335][ T185] ? lock_acquire+0x13c/0x160 [ 9.791339][ T185] console_flush_one_record+0x46f/0x710 [ 9.791343][ T185] ? console_emit_next_record+0x4c0/0x4c0 [ 9.791344][ T185] ? __lock_acquire+0x518/0xc20 [ 9.791349][ T185] console_unlock+0xee/0x1f0 [ 9.791352][ T185] ? console_flush_one_record+0x710/0x710 [ 9.791353][ T185] ? rcu_is_watching+0x16/0xd0 [ 9.791355][ T185] ? lock_acquire+0x60/0x160 [ 9.791358][ T185] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.791360][ T185] ? vprintk_emit+0x320/0x3e0 [ 9.791363][ T185] vprintk_emit+0x37c/0x3e0 [ 9.791366][ T185] ? wake_up_klogd_work_func+0x90/0x90 [ 9.791369][ T185] ? __lock_acquire+0x518/0xc20 [ 9.791373][ T185] _printk+0xc7/0x100 [ 9.791376][ T185] ? snapshot_read.cold+0x21/0x21 [ 9.791379][ T185] ? do_raw_spin_lock+0x131/0x280 [ 9.791382][ T185] ? __rwlock_init+0x150/0x150 [ 9.791385][ T185] ? do_raw_spin_lock+0x131/0x280 [ 9.791388][ T185] do_exit.cold+0x82/0x9c [ 9.791392][ T185] ? exit_notify+0x890/0x890 [ 9.791393][ T185] ? __lock_release.isra.0+0x69/0x1a0 [ 9.791396][ T185] ? rcu_is_watching+0x16/0xd0 [ 9.791400][ T185] do_group_exit+0xb8/0x370 [ 9.791403][ T185] __x64_sys_exit_group+0x3c/0x50 [ 9.791405][ T185] x64_sys_call+0x1567/0x1570 [ 9.791408][ T185] do_syscall_64+0x10e/0x570 [ 9.791411][ T185] ? exc_page_fault+0xee/0x100 [ 9.791414][ T185] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.791416][ T185] RIP: 0033:0x7efbfff441b8 [ 9.791418][ T185] Code: Unable to access opcode bytes at 0x7efbfff4418e. [ 9.791419][ T185] RSP: 002b:00007ffd039a80a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.791422][ T185] RAX: ffffffffffffffda RBX: 00007efc00074f88 RCX: 00007efbfff441b8 [ 9.791423][ T185] RDX: 00007efbffc8efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.791424][ T185] RBP: 00007ffd039a8100 R08: 0000000000000000 R09: 0000000000000050 [ 9.791425][ T185] R10: 00007ffd039a7ec0 R11: 0000000000000246 R12: 0000000000000001 [ 9.791426][ T185] R13: 0000000000000000 R14: 00007efc00073680 R15: 00007efc00074fa0 [ 9.791432][ T185]