[ 10.221874][ T208] ip (208) used greatest stack depth: 23664 bytes left [ 10.221890][ T208] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.221892][ T208] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 208, name: ip [ 10.221893][ T208] preempt_count: 2, expected: 0 [ 10.221894][ T208] RCU nest depth: 0, expected: 0 [ 10.221895][ T208] locks held by ip/208: 5, last CPU#2: [ 10.221897][ T208] #0: ffffffffb9c167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.221908][ T208] #1: ffffffffb9d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.221913][ T208] #2: ffffffffb9d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.221917][ T208] #3: ffffffffb9c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.221920][ T208] #4: ffffffffb9c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.221924][ T208] irq event stamp: 29544 [ 10.221925][ T208] hardirqs last enabled at (29543): [] __down_trylock_console_sem+0x86/0xa0 [ 10.221928][ T208] hardirqs last disabled at (29544): [] console_emit_next_record+0x3d4/0x4c0 [ 10.221930][ T208] softirqs last enabled at (29188): [] handle_softirqs+0x67c/0x900 [ 10.221932][ T208] softirqs last disabled at (29183): [] __irq_exit_rcu+0x145/0x1c0 [ 10.221935][ T208] Preemption disabled at: [ 10.221935][ T208] [<0000000000000000>] 0x0 [ 10.221942][ T208] CPU: 2 UID: 0 PID: 208 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.221946][ T208] Tainted: [W]=WARN [ 10.221947][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.221948][ T208] Call Trace: [ 10.221950][ T208] [ 10.221951][ T208] dump_stack_lvl+0x6f/0xa0 [ 10.221958][ T208] __might_resched.cold+0x1fe/0x2c1 [ 10.221962][ T208] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.221966][ T208] ? __kmalloc_noprof+0xdb/0x760 [ 10.221970][ T208] __kmalloc_noprof+0x443/0x760 [ 10.221972][ T208] ? alloc_buf.isra.0+0x4b/0x260 [ 10.221979][ T208] ? do_raw_spin_unlock+0x59/0x250 [ 10.221981][ T208] alloc_buf.isra.0+0x4b/0x260 [ 10.221985][ T208] put_chars+0x1e1/0x2f0 [ 10.221987][ T208] ? __send_to_port+0x420/0x420 [ 10.221988][ T208] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.221992][ T208] ? validate_chain+0x38b/0xc20 [ 10.221997][ T208] hvc_console_print+0x292/0x780 [ 10.222004][ T208] ? hvc_write+0x3a0/0x3a0 [ 10.222007][ T208] ? rcu_is_watching+0x16/0xd0 [ 10.222009][ T208] ? lock_acquire+0x13c/0x160 [ 10.222013][ T208] console_emit_next_record+0x22f/0x4c0 [ 10.222017][ T208] ? devkmsg_read+0x4b0/0x4b0 [ 10.222018][ T208] ? console_flush_one_record+0x106/0x710 [ 10.222022][ T208] ? rcu_is_watching+0x16/0xd0 [ 10.222023][ T208] ? lock_acquire+0x13c/0x160 [ 10.222027][ T208] console_flush_one_record+0x46f/0x710 [ 10.222031][ T208] ? console_emit_next_record+0x4c0/0x4c0 [ 10.222033][ T208] ? __lock_acquire+0x518/0xc20 [ 10.222038][ T208] console_unlock+0xee/0x1f0 [ 10.222041][ T208] ? console_flush_one_record+0x710/0x710 [ 10.222043][ T208] ? rcu_is_watching+0x16/0xd0 [ 10.222045][ T208] ? lock_acquire+0xe0/0x160 [ 10.222048][ T208] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.222050][ T208] ? vprintk_emit+0x320/0x3e0 [ 10.222053][ T208] vprintk_emit+0x37c/0x3e0 [ 10.222056][ T208] ? wake_up_klogd_work_func+0x90/0x90 [ 10.222059][ T208] ? __lock_acquire+0x518/0xc20 [ 10.222062][ T208] _printk+0xc7/0x100 [ 10.222066][ T208] ? snapshot_read.cold+0x21/0x21 [ 10.222069][ T208] ? do_raw_spin_lock+0x131/0x280 [ 10.222071][ T208] ? __rwlock_init+0x150/0x150 [ 10.222075][ T208] ? do_raw_spin_lock+0x131/0x280 [ 10.222078][ T208] do_exit.cold+0x82/0x9c [ 10.222081][ T208] ? exit_notify+0x890/0x890 [ 10.222083][ T208] ? __lock_release.isra.0+0x69/0x1a0 [ 10.222085][ T208] ? rcu_is_watching+0x16/0xd0 [ 10.222089][ T208] do_group_exit+0xb8/0x370 [ 10.222092][ T208] __x64_sys_exit_group+0x3c/0x50 [ 10.222093][ T208] x64_sys_call+0x1567/0x1570 [ 10.222096][ T208] do_syscall_64+0xff/0x530 [ 10.222100][ T208] ? exc_page_fault+0xee/0x100 [ 10.222103][ T208] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.222105][ T208] RIP: 0033:0x7f68b133a1b8 [ 10.222107][ T208] Code: Unable to access opcode bytes at 0x7f68b133a18e. [ 10.222108][ T208] RSP: 002b:00007ffc366653c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.222111][ T208] RAX: ffffffffffffffda RBX: 00007f68b146af88 RCX: 00007f68b133a1b8 [ 10.222112][ T208] RDX: 00007f68b1084fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.222113][ T208] RBP: 00007ffc36665420 R08: 0000000000000000 R09: 0000000000008010 [ 10.222114][ T208] R10: 00007ffc366651e0 R11: 0000000000000246 R12: 0000000000000001 [ 10.222115][ T208] R13: 0000000000000000 R14: 00007f68b1469680 R15: 00007f68b146afa0 [ 10.222121][ T208]