[ 9.958781][ T173] ip (173) used greatest stack depth: 24480 bytes left [ 9.958799][ T173] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.958801][ T173] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 173, name: ip [ 9.958802][ T173] preempt_count: 2, expected: 0 [ 9.958803][ T173] RCU nest depth: 0, expected: 0 [ 9.958804][ T173] locks held by ip/173: 5, last CPU#3: [ 9.958807][ T173] #0: ffffffff872027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.958819][ T173] #1: ffffffff87369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.958824][ T173] #2: ffffffff87369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.958827][ T173] #3: ffffffff87289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.958830][ T173] #4: ffffffff87289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.958834][ T173] irq event stamp: 20212 [ 9.958835][ T173] hardirqs last enabled at (20211): [] __down_trylock_console_sem+0x86/0xa0 [ 9.958838][ T173] hardirqs last disabled at (20212): [] console_emit_next_record+0x3d4/0x4c0 [ 9.958840][ T173] softirqs last enabled at (19502): [] handle_softirqs+0x67c/0x900 [ 9.958842][ T173] softirqs last disabled at (19497): [] __irq_exit_rcu+0x145/0x1c0 [ 9.958844][ T173] Preemption disabled at: [ 9.958845][ T173] [<0000000000000000>] 0x0 [ 9.958852][ T173] CPU: 3 UID: 0 PID: 173 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.958856][ T173] Tainted: [W]=WARN [ 9.958856][ T173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.958858][ T173] Call Trace: [ 9.958860][ T173] [ 9.958861][ T173] dump_stack_lvl+0x6f/0xa0 [ 9.958867][ T173] __might_resched.cold+0x1fe/0x2c1 [ 9.958872][ T173] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.958875][ T173] ? __kmalloc_noprof+0xdb/0x760 [ 9.958880][ T173] __kmalloc_noprof+0x443/0x760 [ 9.958883][ T173] ? alloc_buf.isra.0+0x4b/0x260 [ 9.958889][ T173] ? do_raw_spin_unlock+0x59/0x250 [ 9.958892][ T173] alloc_buf.isra.0+0x4b/0x260 [ 9.958895][ T173] put_chars+0x1e1/0x2f0 [ 9.958898][ T173] ? __send_to_port+0x420/0x420 [ 9.958900][ T173] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.958904][ T173] ? validate_chain+0x38b/0xc20 [ 9.958910][ T173] hvc_console_print+0x292/0x780 [ 9.958916][ T173] ? hvc_write+0x3a0/0x3a0 [ 9.958919][ T173] ? rcu_is_watching+0x16/0xd0 [ 9.958920][ T173] ? lock_acquire+0x13c/0x160 [ 9.958925][ T173] console_emit_next_record+0x22f/0x4c0 [ 9.958928][ T173] ? devkmsg_read+0x4b0/0x4b0 [ 9.958929][ T173] ? console_flush_one_record+0x106/0x710 [ 9.958932][ T173] ? rcu_is_watching+0x16/0xd0 [ 9.958934][ T173] ? lock_acquire+0x13c/0x160 [ 9.958938][ T173] console_flush_one_record+0x46f/0x710 [ 9.958941][ T173] ? console_emit_next_record+0x4c0/0x4c0 [ 9.958943][ T173] ? __lock_acquire+0x518/0xc20 [ 9.958948][ T173] console_unlock+0xee/0x1f0 [ 9.958950][ T173] ? console_flush_one_record+0x710/0x710 [ 9.958952][ T173] ? rcu_is_watching+0x16/0xd0 [ 9.958953][ T173] ? lock_acquire+0x60/0x160 [ 9.958957][ T173] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.958959][ T173] ? vprintk_emit+0x320/0x3e0 [ 9.958962][ T173] vprintk_emit+0x37c/0x3e0 [ 9.958965][ T173] ? wake_up_klogd_work_func+0x90/0x90 [ 9.958968][ T173] ? __lock_acquire+0x518/0xc20 [ 9.958972][ T173] _printk+0xc7/0x100 [ 9.958976][ T173] ? snapshot_read.cold+0x21/0x21 [ 9.958979][ T173] ? do_raw_spin_lock+0x131/0x280 [ 9.958981][ T173] ? __rwlock_init+0x150/0x150 [ 9.958985][ T173] ? do_raw_spin_lock+0x131/0x280 [ 9.958988][ T173] do_exit.cold+0x82/0x9c [ 9.958992][ T173] ? exit_notify+0x890/0x890 [ 9.958993][ T173] ? __lock_release.isra.0+0x69/0x1a0 [ 9.958996][ T173] ? rcu_is_watching+0x16/0xd0 [ 9.959000][ T173] do_group_exit+0xb8/0x370 [ 9.959003][ T173] __x64_sys_exit_group+0x3c/0x50 [ 9.959005][ T173] x64_sys_call+0x1567/0x1570 [ 9.959008][ T173] do_syscall_64+0xff/0x530 [ 9.959011][ T173] ? exc_page_fault+0xee/0x100 [ 9.959014][ T173] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.959016][ T173] RIP: 0033:0x7fd86a2391b8 [ 9.959019][ T173] Code: Unable to access opcode bytes at 0x7fd86a23918e. [ 9.959020][ T173] RSP: 002b:00007ffd60d90b28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.959022][ T173] RAX: ffffffffffffffda RBX: 00007fd86a369f88 RCX: 00007fd86a2391b8 [ 9.959023][ T173] RDX: 00007fd869f83fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.959024][ T173] RBP: 00007ffd60d90b80 R08: 0000000000000000 R09: 0000000000008010 [ 9.959025][ T173] R10: 00007ffd60d90940 R11: 0000000000000246 R12: 0000000000000001 [ 9.959026][ T173] R13: 0000000000000000 R14: 00007fd86a368680 R15: 00007fd86a369fa0 [ 9.959033][ T173]