[ 10.856085][ T198] ip (198) used greatest stack depth: 24328 bytes left [ 10.856108][ T198] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.856111][ T198] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 198, name: ip [ 10.856113][ T198] preempt_count: 2, expected: 0 [ 10.856114][ T198] RCU nest depth: 0, expected: 0 [ 10.856116][ T198] locks held by ip/198: 5, last CPU#2: [ 10.856119][ T198] #0: ffffffff86c167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.856134][ T198] #1: ffffffff86d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.856141][ T198] #2: ffffffff86d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.856147][ T198] #3: ffffffff86c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.856152][ T198] #4: ffffffff86c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.856158][ T198] irq event stamp: 23612 [ 10.856159][ T198] hardirqs last enabled at (23611): [] __down_trylock_console_sem+0x86/0xa0 [ 10.856164][ T198] hardirqs last disabled at (23612): [] console_emit_next_record+0x3d4/0x4c0 [ 10.856167][ T198] softirqs last enabled at (22018): [] netlink_release+0x17b/0xcf0 [ 10.856172][ T198] softirqs last disabled at (22016): [] netlink_release+0xd2/0xcf0 [ 10.856176][ T198] Preemption disabled at: [ 10.856177][ T198] [<0000000000000000>] 0x0 [ 10.856186][ T198] CPU: 2 UID: 0 PID: 198 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.856191][ T198] Tainted: [W]=WARN [ 10.856192][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.856195][ T198] Call Trace: [ 10.856197][ T198] [ 10.856200][ T198] dump_stack_lvl+0x6f/0xa0 [ 10.856209][ T198] __might_resched.cold+0x1fe/0x2c1 [ 10.856215][ T198] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.856227][ T198] ? __kmalloc_noprof+0xdb/0x760 [ 10.856234][ T198] __kmalloc_noprof+0x443/0x760 [ 10.856237][ T198] ? alloc_buf.isra.0+0x4b/0x260 [ 10.856248][ T198] ? do_raw_spin_unlock+0x59/0x250 [ 10.856252][ T198] alloc_buf.isra.0+0x4b/0x260 [ 10.856258][ T198] put_chars+0x1e1/0x2f0 [ 10.856262][ T198] ? __send_to_port+0x420/0x420 [ 10.856264][ T198] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.856270][ T198] ? validate_chain+0x38b/0xc20 [ 10.856280][ T198] hvc_console_print+0x292/0x780 [ 10.856292][ T198] ? hvc_write+0x3a0/0x3a0 [ 10.856297][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.856300][ T198] ? lock_acquire+0x13c/0x160 [ 10.856307][ T198] console_emit_next_record+0x22f/0x4c0 [ 10.856313][ T198] ? devkmsg_read+0x4b0/0x4b0 [ 10.856316][ T198] ? console_flush_one_record+0x106/0x710 [ 10.856321][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.856325][ T198] ? lock_acquire+0x13c/0x160 [ 10.856332][ T198] console_flush_one_record+0x46f/0x710 [ 10.856340][ T198] ? console_emit_next_record+0x4c0/0x4c0 [ 10.856342][ T198] ? __lock_acquire+0x518/0xc20 [ 10.856352][ T198] console_unlock+0xee/0x1f0 [ 10.856357][ T198] ? console_flush_one_record+0x710/0x710 [ 10.856360][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.856363][ T198] ? lock_acquire+0xe0/0x160 [ 10.856370][ T198] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.856372][ T198] ? vprintk_emit+0x320/0x3e0 [ 10.856378][ T198] vprintk_emit+0x37c/0x3e0 [ 10.856383][ T198] ? wake_up_klogd_work_func+0x90/0x90 [ 10.856389][ T198] ? __lock_acquire+0x518/0xc20 [ 10.856396][ T198] _printk+0xc7/0x100 [ 10.856401][ T198] ? snapshot_read.cold+0x21/0x21 [ 10.856406][ T198] ? do_raw_spin_lock+0x131/0x280 [ 10.856410][ T198] ? __rwlock_init+0x150/0x150 [ 10.856417][ T198] ? do_raw_spin_lock+0x131/0x280 [ 10.856421][ T198] do_exit.cold+0x82/0x9c [ 10.856426][ T198] ? exit_notify+0x890/0x890 [ 10.856429][ T198] ? __lock_release.isra.0+0x69/0x1a0 [ 10.856434][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.856440][ T198] do_group_exit+0xb8/0x370 [ 10.856446][ T198] __x64_sys_exit_group+0x3c/0x50 [ 10.856449][ T198] x64_sys_call+0x1567/0x1570 [ 10.856453][ T198] do_syscall_64+0xff/0x530 [ 10.856458][ T198] ? exc_page_fault+0xee/0x100 [ 10.856463][ T198] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.856466][ T198] RIP: 0033:0x7fddca8631b8 [ 10.856470][ T198] Code: Unable to access opcode bytes at 0x7fddca86318e. [ 10.856471][ T198] RSP: 002b:00007ffeb3c374a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.856475][ T198] RAX: ffffffffffffffda RBX: 00007fddca993f88 RCX: 00007fddca8631b8 [ 10.856477][ T198] RDX: 00007fddca5adfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.856479][ T198] RBP: 00007ffeb3c37500 R08: 0000000000000000 R09: 0000000000000050 [ 10.856480][ T198] R10: 00007ffeb3c372c0 R11: 0000000000000246 R12: 0000000000000001 [ 10.856482][ T198] R13: 0000000000000000 R14: 00007fddca992680 R15: 00007fddca993fa0 [ 10.856496][ T198] [ 11.292489][ T208] ip (208) used greatest stack depth: 24080 bytes left [ 11.476806][ T211] ip (211) used greatest stack depth: 23808 bytes left