[ 10.026160][ T298] ip (298) used greatest stack depth: 24392 bytes left [ 10.026175][ T298] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.026177][ T298] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 298, name: ip [ 10.026179][ T298] preempt_count: 2, expected: 0 [ 10.026179][ T298] RCU nest depth: 0, expected: 0 [ 10.026180][ T298] locks held by ip/298: 5, last CPU#0: [ 10.026182][ T298] #0: ffffffffb3e167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.026193][ T298] #1: ffffffffb3f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.026198][ T298] #2: ffffffffb3f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.026202][ T298] #3: ffffffffb3e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.026206][ T298] #4: ffffffffb3e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.026210][ T298] irq event stamp: 30656 [ 10.026211][ T298] hardirqs last enabled at (30655): [] __down_trylock_console_sem+0x86/0xa0 [ 10.026214][ T298] hardirqs last disabled at (30656): [] console_emit_next_record+0x3d4/0x4c0 [ 10.026216][ T298] softirqs last enabled at (29418): [] handle_softirqs+0x67c/0x900 [ 10.026218][ T298] softirqs last disabled at (29411): [] __irq_exit_rcu+0x145/0x1c0 [ 10.026221][ T298] Preemption disabled at: [ 10.026221][ T298] [<0000000000000000>] 0x0 [ 10.026228][ T298] CPU: 0 UID: 0 PID: 298 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.026232][ T298] Tainted: [W]=WARN [ 10.026232][ T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.026234][ T298] Call Trace: [ 10.026235][ T298] [ 10.026236][ T298] dump_stack_lvl+0x6f/0xa0 [ 10.026243][ T298] __might_resched.cold+0x1fe/0x2c1 [ 10.026247][ T298] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.026251][ T298] ? __kmalloc_noprof+0xdb/0x760 [ 10.026256][ T298] __kmalloc_noprof+0x443/0x760 [ 10.026258][ T298] ? alloc_buf.isra.0+0x4b/0x260 [ 10.026264][ T298] ? do_raw_spin_unlock+0x59/0x250 [ 10.026267][ T298] alloc_buf.isra.0+0x4b/0x260 [ 10.026270][ T298] put_chars+0x1e1/0x2f0 [ 10.026273][ T298] ? __send_to_port+0x420/0x420 [ 10.026274][ T298] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.026277][ T298] ? validate_chain+0x38b/0xc20 [ 10.026282][ T298] hvc_console_print+0x292/0x780 [ 10.026290][ T298] ? hvc_write+0x3a0/0x3a0 [ 10.026292][ T298] ? rcu_is_watching+0x16/0xd0 [ 10.026294][ T298] ? lock_acquire+0x13c/0x160 [ 10.026298][ T298] console_emit_next_record+0x22f/0x4c0 [ 10.026302][ T298] ? devkmsg_read+0x4b0/0x4b0 [ 10.026304][ T298] ? console_flush_one_record+0x106/0x710 [ 10.026307][ T298] ? rcu_is_watching+0x16/0xd0 [ 10.026309][ T298] ? lock_acquire+0x13c/0x160 [ 10.026313][ T298] console_flush_one_record+0x46f/0x710 [ 10.026317][ T298] ? console_emit_next_record+0x4c0/0x4c0 [ 10.026319][ T298] ? __lock_acquire+0x518/0xc20 [ 10.026324][ T298] console_unlock+0xee/0x1f0 [ 10.026327][ T298] ? console_flush_one_record+0x710/0x710 [ 10.026328][ T298] ? rcu_is_watching+0x16/0xd0 [ 10.026330][ T298] ? lock_acquire+0xe0/0x160 [ 10.026334][ T298] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.026335][ T298] ? vprintk_emit+0x320/0x3e0 [ 10.026338][ T298] vprintk_emit+0x37c/0x3e0 [ 10.026341][ T298] ? wake_up_klogd_work_func+0x90/0x90 [ 10.026344][ T298] ? __lock_acquire+0x518/0xc20 [ 10.026348][ T298] _printk+0xc7/0x100 [ 10.026351][ T298] ? snapshot_read.cold+0x21/0x21 [ 10.026354][ T298] ? do_raw_spin_lock+0x131/0x280 [ 10.026357][ T298] ? __rwlock_init+0x150/0x150 [ 10.026360][ T298] ? do_raw_spin_lock+0x131/0x280 [ 10.026363][ T298] do_exit.cold+0x82/0x9c [ 10.026366][ T298] ? exit_notify+0x890/0x890 [ 10.026368][ T298] ? __lock_release.isra.0+0x69/0x1a0 [ 10.026370][ T298] ? rcu_is_watching+0x16/0xd0 [ 10.026374][ T298] do_group_exit+0xb8/0x370 [ 10.026377][ T298] __x64_sys_exit_group+0x3c/0x50 [ 10.026379][ T298] x64_sys_call+0x1567/0x1570 [ 10.026381][ T298] do_syscall_64+0xff/0x530 [ 10.026385][ T298] ? exc_page_fault+0xee/0x100 [ 10.026388][ T298] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.026390][ T298] RIP: 0033:0x7f51a4c2e1b8 [ 10.026392][ T298] Code: Unable to access opcode bytes at 0x7f51a4c2e18e. [ 10.026393][ T298] RSP: 002b:00007ffe375dece8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.026395][ T298] RAX: ffffffffffffffda RBX: 00007f51a4d5ef88 RCX: 00007f51a4c2e1b8 [ 10.026396][ T298] RDX: 00007f51a4978fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.026397][ T298] RBP: 00007ffe375ded40 R08: 0000000000000000 R09: 0000000000000050 [ 10.026398][ T298] R10: 00007ffe375deb00 R11: 0000000000000246 R12: 0000000000000001 [ 10.026399][ T298] R13: 0000000000000000 R14: 00007f51a4d5d680 R15: 00007f51a4d5efa0 [ 10.026406][ T298]