[ 10.974194][ T185] ip (185) used greatest stack depth: 24208 bytes left [ 10.974211][ T185] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.974213][ T185] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 185, name: ip [ 10.974214][ T185] preempt_count: 2, expected: 0 [ 10.974215][ T185] RCU nest depth: 0, expected: 0 [ 10.974216][ T185] locks held by ip/185: 5, last CPU#3: [ 10.974218][ T185] #0: ffffffff93002f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 10.974229][ T185] #1: ffffffff9316a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.974235][ T185] #2: ffffffff9316a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.974238][ T185] #3: ffffffff93089de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.974241][ T185] #4: ffffffff93089ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.974245][ T185] irq event stamp: 36030 [ 10.974246][ T185] hardirqs last enabled at (36029): [] __down_trylock_console_sem+0x86/0xa0 [ 10.974249][ T185] hardirqs last disabled at (36030): [] console_emit_next_record+0x3d4/0x4c0 [ 10.974250][ T185] softirqs last enabled at (35044): [] handle_softirqs+0x67c/0x900 [ 10.974253][ T185] softirqs last disabled at (35039): [] __irq_exit_rcu+0x145/0x1c0 [ 10.974255][ T185] Preemption disabled at: [ 10.974256][ T185] [<0000000000000000>] 0x0 [ 10.974263][ T185] CPU: 3 UID: 0 PID: 185 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.974267][ T185] Tainted: [W]=WARN [ 10.974268][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.974270][ T185] Call Trace: [ 10.974272][ T185] [ 10.974273][ T185] dump_stack_lvl+0x6f/0xa0 [ 10.974279][ T185] __might_resched.cold+0x1fe/0x2c1 [ 10.974284][ T185] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.974287][ T185] ? __kmalloc_noprof+0xdb/0x760 [ 10.974292][ T185] __kmalloc_noprof+0x443/0x760 [ 10.974295][ T185] ? alloc_buf.isra.0+0x4b/0x260 [ 10.974301][ T185] ? do_raw_spin_unlock+0x59/0x250 [ 10.974304][ T185] alloc_buf.isra.0+0x4b/0x260 [ 10.974307][ T185] put_chars+0x1e1/0x2f0 [ 10.974310][ T185] ? __send_to_port+0x420/0x420 [ 10.974316][ T185] hvc_console_print+0x292/0x780 [ 10.974323][ T185] ? hvc_write+0x3a0/0x3a0 [ 10.974326][ T185] ? lock_acquire+0x13c/0x160 [ 10.974331][ T185] console_emit_next_record+0x22f/0x4c0 [ 10.974334][ T185] ? devkmsg_read+0x4b0/0x4b0 [ 10.974335][ T185] ? console_flush_one_record+0x106/0x710 [ 10.974338][ T185] ? rcu_is_watching+0x16/0xd0 [ 10.974341][ T185] ? lock_acquire+0x13c/0x160 [ 10.974345][ T185] console_flush_one_record+0x46f/0x710 [ 10.974349][ T185] ? console_emit_next_record+0x4c0/0x4c0 [ 10.974350][ T185] ? __lock_acquire+0x518/0xc20 [ 10.974355][ T185] console_unlock+0xee/0x1f0 [ 10.974358][ T185] ? console_flush_one_record+0x710/0x710 [ 10.974359][ T185] ? rcu_is_watching+0x16/0xd0 [ 10.974361][ T185] ? lock_acquire+0x60/0x160 [ 10.974364][ T185] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.974366][ T185] ? vprintk_emit+0x320/0x3e0 [ 10.974369][ T185] vprintk_emit+0x37c/0x3e0 [ 10.974372][ T185] ? wake_up_klogd_work_func+0x90/0x90 [ 10.974375][ T185] ? __lock_acquire+0x518/0xc20 [ 10.974379][ T185] _printk+0xc7/0x100 [ 10.974382][ T185] ? snapshot_read.cold+0x21/0x21 [ 10.974385][ T185] ? do_raw_spin_lock+0x131/0x280 [ 10.974388][ T185] ? __rwlock_init+0x150/0x150 [ 10.974392][ T185] ? do_raw_spin_lock+0x131/0x280 [ 10.974395][ T185] do_exit.cold+0x82/0x9c [ 10.974398][ T185] ? exit_notify+0x890/0x890 [ 10.974400][ T185] ? __lock_release.isra.0+0x69/0x1a0 [ 10.974403][ T185] ? rcu_is_watching+0x16/0xd0 [ 10.974406][ T185] do_group_exit+0xb8/0x370 [ 10.974410][ T185] __x64_sys_exit_group+0x3c/0x50 [ 10.974412][ T185] x64_sys_call+0x1567/0x1570 [ 10.974414][ T185] do_syscall_64+0x10e/0x570 [ 10.974418][ T185] ? exc_page_fault+0xee/0x100 [ 10.974421][ T185] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.974423][ T185] RIP: 0033:0x7fa1f34a01b8 [ 10.974426][ T185] Code: Unable to access opcode bytes at 0x7fa1f34a018e. [ 10.974427][ T185] RSP: 002b:00007fffb5a44888 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.974429][ T185] RAX: ffffffffffffffda RBX: 00007fa1f35d0f88 RCX: 00007fa1f34a01b8 [ 10.974430][ T185] RDX: 00007fa1f31eafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.974431][ T185] RBP: 00007fffb5a448e0 R08: 0000000000000000 R09: 0000000000000000 [ 10.974432][ T185] R10: 00007fffb5a446a0 R11: 0000000000000246 R12: 0000000000000001 [ 10.974433][ T185] R13: 0000000000000000 R14: 00007fa1f35cf680 R15: 00007fa1f35d0fa0 [ 10.974440][ T185]