[ 10.582230][ T193] ip (193) used greatest stack depth: 24112 bytes left [ 10.582250][ T193] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.582252][ T193] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 193, name: ip [ 10.582255][ T193] preempt_count: 2, expected: 0 [ 10.582256][ T193] RCU nest depth: 0, expected: 0 [ 10.582258][ T193] locks held by ip/193: 5, last CPU#2: [ 10.582260][ T193] #0: ffffffff91e02f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 10.582275][ T193] #1: ffffffff91f6a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.582282][ T193] #2: ffffffff91f6a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.582288][ T193] #3: ffffffff91e89de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.582294][ T193] #4: ffffffff91e89ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.582299][ T193] irq event stamp: 37252 [ 10.582301][ T193] hardirqs last enabled at (37251): [] __down_trylock_console_sem+0x86/0xa0 [ 10.582306][ T193] hardirqs last disabled at (37252): [] console_emit_next_record+0x3d4/0x4c0 [ 10.582308][ T193] softirqs last enabled at (36348): [] handle_softirqs+0x67c/0x900 [ 10.582312][ T193] softirqs last disabled at (36225): [] __irq_exit_rcu+0x145/0x1c0 [ 10.582315][ T193] Preemption disabled at: [ 10.582316][ T193] [<0000000000000000>] 0x0 [ 10.582325][ T193] CPU: 2 UID: 0 PID: 193 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.582329][ T193] Tainted: [W]=WARN [ 10.582330][ T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.582332][ T193] Call Trace: [ 10.582335][ T193] [ 10.582337][ T193] dump_stack_lvl+0x6f/0xa0 [ 10.582347][ T193] __might_resched.cold+0x1fe/0x2c1 [ 10.582353][ T193] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.582359][ T193] ? __kmalloc_noprof+0xdb/0x760 [ 10.582367][ T193] __kmalloc_noprof+0x443/0x760 [ 10.582370][ T193] ? alloc_buf.isra.0+0x4b/0x260 [ 10.582380][ T193] ? do_raw_spin_unlock+0x59/0x250 [ 10.582384][ T193] alloc_buf.isra.0+0x4b/0x260 [ 10.582390][ T193] put_chars+0x1e1/0x2f0 [ 10.582394][ T193] ? __send_to_port+0x420/0x420 [ 10.582407][ T193] hvc_console_print+0x292/0x780 [ 10.582418][ T193] ? hvc_write+0x3a0/0x3a0 [ 10.582423][ T193] ? lock_acquire+0x13c/0x160 [ 10.582431][ T193] console_emit_next_record+0x22f/0x4c0 [ 10.582437][ T193] ? devkmsg_read+0x4b0/0x4b0 [ 10.582439][ T193] ? console_flush_one_record+0x106/0x710 [ 10.582444][ T193] ? rcu_is_watching+0x16/0xd0 [ 10.582449][ T193] ? lock_acquire+0x13c/0x160 [ 10.582456][ T193] console_flush_one_record+0x46f/0x710 [ 10.582463][ T193] ? console_emit_next_record+0x4c0/0x4c0 [ 10.582465][ T193] ? __lock_acquire+0x518/0xc20 [ 10.582475][ T193] console_unlock+0xee/0x1f0 [ 10.582479][ T193] ? console_flush_one_record+0x710/0x710 [ 10.582481][ T193] ? rcu_is_watching+0x16/0xd0 [ 10.582485][ T193] ? lock_acquire+0x60/0x160 [ 10.582491][ T193] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.582494][ T193] ? vprintk_emit+0x320/0x3e0 [ 10.582499][ T193] vprintk_emit+0x37c/0x3e0 [ 10.582505][ T193] ? wake_up_klogd_work_func+0x90/0x90 [ 10.582510][ T193] ? __lock_acquire+0x518/0xc20 [ 10.582517][ T193] _printk+0xc7/0x100 [ 10.582522][ T193] ? snapshot_read.cold+0x21/0x21 [ 10.582527][ T193] ? do_raw_spin_lock+0x131/0x280 [ 10.582531][ T193] ? __rwlock_init+0x150/0x150 [ 10.582538][ T193] ? do_raw_spin_lock+0x131/0x280 [ 10.582543][ T193] do_exit.cold+0x82/0x9c [ 10.582549][ T193] ? exit_notify+0x890/0x890 [ 10.582551][ T193] ? __lock_release.isra.0+0x69/0x1a0 [ 10.582556][ T193] ? rcu_is_watching+0x16/0xd0 [ 10.582563][ T193] do_group_exit+0xb8/0x370 [ 10.582568][ T193] __x64_sys_exit_group+0x3c/0x50 [ 10.582572][ T193] x64_sys_call+0x1567/0x1570 [ 10.582575][ T193] do_syscall_64+0x10e/0x570 [ 10.582580][ T193] ? exc_page_fault+0xee/0x100 [ 10.582585][ T193] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.582589][ T193] RIP: 0033:0x7f81828261b8 [ 10.582592][ T193] Code: Unable to access opcode bytes at 0x7f818282618e. [ 10.582593][ T193] RSP: 002b:00007ffdf3152a18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.582597][ T193] RAX: ffffffffffffffda RBX: 00007f8182956f88 RCX: 00007f81828261b8 [ 10.582599][ T193] RDX: 00007f8182570fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.582601][ T193] RBP: 00007ffdf3152a70 R08: 0000000000000000 R09: 0000000000000050 [ 10.582602][ T193] R10: 00007ffdf3152830 R11: 0000000000000246 R12: 0000000000000001 [ 10.582604][ T193] R13: 0000000000000000 R14: 00007f8182955680 R15: 00007f8182956fa0 [ 10.582617][ T193]