[ 9.645173][ T194] ip (194) used greatest stack depth: 24280 bytes left [ 9.645189][ T194] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.645191][ T194] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 194, name: ip [ 9.645193][ T194] preempt_count: 2, expected: 0 [ 9.645194][ T194] RCU nest depth: 0, expected: 0 [ 9.645195][ T194] locks held by ip/194: 5, last CPU#0: [ 9.645197][ T194] #0: ffffffff91202f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.645208][ T194] #1: ffffffff9136a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.645213][ T194] #2: ffffffff9136a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.645216][ T194] #3: ffffffff91289de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.645219][ T194] #4: ffffffff91289ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.645222][ T194] irq event stamp: 43582 [ 9.645223][ T194] hardirqs last enabled at (43581): [] __down_trylock_console_sem+0x86/0xa0 [ 9.645227][ T194] hardirqs last disabled at (43582): [] console_emit_next_record+0x3d4/0x4c0 [ 9.645228][ T194] softirqs last enabled at (42300): [] netlink_release+0x17b/0xcf0 [ 9.645232][ T194] softirqs last disabled at (42298): [] netlink_release+0xd2/0xcf0 [ 9.645234][ T194] Preemption disabled at: [ 9.645234][ T194] [<0000000000000000>] 0x0 [ 9.645241][ T194] CPU: 0 UID: 0 PID: 194 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.645244][ T194] Tainted: [W]=WARN [ 9.645245][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.645247][ T194] Call Trace: [ 9.645249][ T194] [ 9.645250][ T194] dump_stack_lvl+0x6f/0xa0 [ 9.645256][ T194] __might_resched.cold+0x1fe/0x2c1 [ 9.645260][ T194] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.645264][ T194] ? __kmalloc_noprof+0xdb/0x760 [ 9.645269][ T194] __kmalloc_noprof+0x443/0x760 [ 9.645271][ T194] ? alloc_buf.isra.0+0x4b/0x260 [ 9.645278][ T194] ? do_raw_spin_unlock+0x59/0x250 [ 9.645281][ T194] alloc_buf.isra.0+0x4b/0x260 [ 9.645284][ T194] put_chars+0x1e1/0x2f0 [ 9.645286][ T194] ? __send_to_port+0x420/0x420 [ 9.645293][ T194] hvc_console_print+0x292/0x780 [ 9.645300][ T194] ? hvc_write+0x3a0/0x3a0 [ 9.645303][ T194] ? lock_acquire+0x13c/0x160 [ 9.645307][ T194] console_emit_next_record+0x22f/0x4c0 [ 9.645311][ T194] ? devkmsg_read+0x4b0/0x4b0 [ 9.645312][ T194] ? console_flush_one_record+0x106/0x710 [ 9.645315][ T194] ? rcu_is_watching+0x16/0xd0 [ 9.645318][ T194] ? lock_acquire+0x13c/0x160 [ 9.645322][ T194] console_flush_one_record+0x46f/0x710 [ 9.645326][ T194] ? console_emit_next_record+0x4c0/0x4c0 [ 9.645327][ T194] ? __lock_acquire+0x518/0xc20 [ 9.645332][ T194] console_unlock+0xee/0x1f0 [ 9.645335][ T194] ? console_flush_one_record+0x710/0x710 [ 9.645336][ T194] ? rcu_is_watching+0x16/0xd0 [ 9.645338][ T194] ? lock_acquire+0x60/0x160 [ 9.645342][ T194] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.645343][ T194] ? vprintk_emit+0x320/0x3e0 [ 9.645346][ T194] vprintk_emit+0x37c/0x3e0 [ 9.645350][ T194] ? wake_up_klogd_work_func+0x90/0x90 [ 9.645353][ T194] ? __lock_acquire+0x518/0xc20 [ 9.645357][ T194] _printk+0xc7/0x100 [ 9.645360][ T194] ? snapshot_read.cold+0x21/0x21 [ 9.645363][ T194] ? do_raw_spin_lock+0x131/0x280 [ 9.645365][ T194] ? __rwlock_init+0x150/0x150 [ 9.645369][ T194] ? do_raw_spin_lock+0x131/0x280 [ 9.645372][ T194] do_exit.cold+0x82/0x9c [ 9.645376][ T194] ? exit_notify+0x890/0x890 [ 9.645377][ T194] ? __lock_release.isra.0+0x69/0x1a0 [ 9.645380][ T194] ? rcu_is_watching+0x16/0xd0 [ 9.645384][ T194] do_group_exit+0xb8/0x370 [ 9.645387][ T194] __x64_sys_exit_group+0x3c/0x50 [ 9.645389][ T194] x64_sys_call+0x1567/0x1570 [ 9.645391][ T194] do_syscall_64+0x10e/0x570 [ 9.645395][ T194] ? exc_page_fault+0xee/0x100 [ 9.645398][ T194] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.645400][ T194] RIP: 0033:0x7f2cb66d51b8 [ 9.645402][ T194] Code: Unable to access opcode bytes at 0x7f2cb66d518e. [ 9.645403][ T194] RSP: 002b:00007ffc6588b238 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.645405][ T194] RAX: ffffffffffffffda RBX: 00007f2cb6805f88 RCX: 00007f2cb66d51b8 [ 9.645406][ T194] RDX: 00007f2cb641ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.645407][ T194] RBP: 00007ffc6588b290 R08: 0000000000000000 R09: 0000000000000000 [ 9.645408][ T194] R10: 00007ffc6588b050 R11: 0000000000000246 R12: 0000000000000001 [ 9.645409][ T194] R13: 0000000000000000 R14: 00007f2cb6804680 R15: 00007f2cb6805fa0 [ 9.645416][ T194]