[ 10.586079][ T191] ip (191) used greatest stack depth: 24128 bytes left [ 10.586099][ T191] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.586101][ T191] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 191, name: ip [ 10.586102][ T191] preempt_count: 2, expected: 0 [ 10.586103][ T191] RCU nest depth: 0, expected: 0 [ 10.586104][ T191] locks held by ip/191: 5, last CPU#1: [ 10.586106][ T191] #0: ffffffff960167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.586117][ T191] #1: ffffffff9617ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.586122][ T191] #2: ffffffff9617de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.586127][ T191] #3: ffffffff9609d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.586131][ T191] #4: ffffffff9609d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.586135][ T191] irq event stamp: 33020 [ 10.586136][ T191] hardirqs last enabled at (33019): [] __down_trylock_console_sem+0x86/0xa0 [ 10.586139][ T191] hardirqs last disabled at (33020): [] console_emit_next_record+0x3d4/0x4c0 [ 10.586142][ T191] softirqs last enabled at (32364): [] handle_softirqs+0x67c/0x900 [ 10.586144][ T191] softirqs last disabled at (31323): [] __irq_exit_rcu+0x145/0x1c0 [ 10.586147][ T191] Preemption disabled at: [ 10.586147][ T191] [<0000000000000000>] 0x0 [ 10.586154][ T191] CPU: 1 UID: 0 PID: 191 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.586158][ T191] Tainted: [W]=WARN [ 10.586159][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.586161][ T191] Call Trace: [ 10.586162][ T191] [ 10.586164][ T191] dump_stack_lvl+0x6f/0xa0 [ 10.586170][ T191] __might_resched.cold+0x1fe/0x2c1 [ 10.586175][ T191] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.586179][ T191] ? __kmalloc_noprof+0xdb/0x760 [ 10.586184][ T191] __kmalloc_noprof+0x443/0x760 [ 10.586185][ T191] ? alloc_buf.isra.0+0x4b/0x260 [ 10.586192][ T191] ? do_raw_spin_unlock+0x59/0x250 [ 10.586195][ T191] alloc_buf.isra.0+0x4b/0x260 [ 10.586199][ T191] put_chars+0x1e1/0x2f0 [ 10.586201][ T191] ? __send_to_port+0x420/0x420 [ 10.586203][ T191] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.586206][ T191] ? validate_chain+0x38b/0xc20 [ 10.586212][ T191] hvc_console_print+0x292/0x780 [ 10.586219][ T191] ? hvc_write+0x3a0/0x3a0 [ 10.586222][ T191] ? rcu_is_watching+0x16/0xd0 [ 10.586224][ T191] ? lock_acquire+0x13c/0x160 [ 10.586228][ T191] console_emit_next_record+0x22f/0x4c0 [ 10.586232][ T191] ? devkmsg_read+0x4b0/0x4b0 [ 10.586234][ T191] ? console_flush_one_record+0x106/0x710 [ 10.586238][ T191] ? rcu_is_watching+0x16/0xd0 [ 10.586239][ T191] ? lock_acquire+0x13c/0x160 [ 10.586244][ T191] console_flush_one_record+0x46f/0x710 [ 10.586248][ T191] ? console_emit_next_record+0x4c0/0x4c0 [ 10.586250][ T191] ? __lock_acquire+0x518/0xc20 [ 10.586255][ T191] console_unlock+0xee/0x1f0 [ 10.586258][ T191] ? console_flush_one_record+0x710/0x710 [ 10.586260][ T191] ? rcu_is_watching+0x16/0xd0 [ 10.586262][ T191] ? lock_acquire+0xe0/0x160 [ 10.586269][ T191] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.586271][ T191] ? vprintk_emit+0x320/0x3e0 [ 10.586274][ T191] vprintk_emit+0x37c/0x3e0 [ 10.586277][ T191] ? wake_up_klogd_work_func+0x90/0x90 [ 10.586280][ T191] ? __lock_acquire+0x518/0xc20 [ 10.586284][ T191] _printk+0xc7/0x100 [ 10.586287][ T191] ? snapshot_read.cold+0x21/0x21 [ 10.586290][ T191] ? do_raw_spin_lock+0x131/0x280 [ 10.586293][ T191] ? __rwlock_init+0x150/0x150 [ 10.586297][ T191] ? do_raw_spin_lock+0x131/0x280 [ 10.586300][ T191] do_exit.cold+0x82/0x9c [ 10.586304][ T191] ? exit_notify+0x890/0x890 [ 10.586305][ T191] ? __lock_release.isra.0+0x69/0x1a0 [ 10.586308][ T191] ? rcu_is_watching+0x16/0xd0 [ 10.586311][ T191] do_group_exit+0xb8/0x370 [ 10.586314][ T191] __x64_sys_exit_group+0x3c/0x50 [ 10.586316][ T191] x64_sys_call+0x1567/0x1570 [ 10.586319][ T191] do_syscall_64+0xff/0x530 [ 10.586323][ T191] ? exc_page_fault+0xee/0x100 [ 10.586326][ T191] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.586328][ T191] RIP: 0033:0x7f46d76f41b8 [ 10.586330][ T191] Code: Unable to access opcode bytes at 0x7f46d76f418e. [ 10.586332][ T191] RSP: 002b:00007fff652ebbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.586334][ T191] RAX: ffffffffffffffda RBX: 00007f46d7824f88 RCX: 00007f46d76f41b8 [ 10.586335][ T191] RDX: 00007f46d743efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.586336][ T191] RBP: 00007fff652ebc20 R08: 0000000000000000 R09: 0000000000000050 [ 10.586337][ T191] R10: 00007fff652eb9e0 R11: 0000000000000246 R12: 0000000000000001 [ 10.586338][ T191] R13: 0000000000000000 R14: 00007f46d7823680 R15: 00007f46d7824fa0 [ 10.586345][ T191]