[ 9.304609][ T202] ip (202) used greatest stack depth: 23408 bytes left [ 9.304624][ T202] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.304626][ T202] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 202, name: ip [ 9.304628][ T202] preempt_count: 2, expected: 0 [ 9.304629][ T202] RCU nest depth: 0, expected: 0 [ 9.304630][ T202] locks held by ip/202: 5, last CPU#3: [ 9.304632][ T202] #0: ffffffff85e167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.304643][ T202] #1: ffffffff85f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.304647][ T202] #2: ffffffff85f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.304652][ T202] #3: ffffffff85e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.304656][ T202] #4: ffffffff85e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.304659][ T202] irq event stamp: 31380 [ 9.304660][ T202] hardirqs last enabled at (31379): [] __down_trylock_console_sem+0x86/0xa0 [ 9.304663][ T202] hardirqs last disabled at (31380): [] console_emit_next_record+0x3d4/0x4c0 [ 9.304666][ T202] softirqs last enabled at (30456): [] handle_softirqs+0x67c/0x900 [ 9.304668][ T202] softirqs last disabled at (30137): [] __irq_exit_rcu+0x145/0x1c0 [ 9.304670][ T202] Preemption disabled at: [ 9.304670][ T202] [<0000000000000000>] 0x0 [ 9.304677][ T202] CPU: 3 UID: 0 PID: 202 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.304680][ T202] Tainted: [W]=WARN [ 9.304681][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.304683][ T202] Call Trace: [ 9.304684][ T202] [ 9.304685][ T202] dump_stack_lvl+0x6f/0xa0 [ 9.304692][ T202] __might_resched.cold+0x1fe/0x2c1 [ 9.304697][ T202] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.304701][ T202] ? __kmalloc_noprof+0xdb/0x760 [ 9.304705][ T202] __kmalloc_noprof+0x443/0x760 [ 9.304707][ T202] ? alloc_buf.isra.0+0x4b/0x260 [ 9.304714][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 9.304716][ T202] alloc_buf.isra.0+0x4b/0x260 [ 9.304720][ T202] put_chars+0x1e1/0x2f0 [ 9.304723][ T202] ? __send_to_port+0x420/0x420 [ 9.304724][ T202] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.304727][ T202] ? validate_chain+0x38b/0xc20 [ 9.304733][ T202] hvc_console_print+0x292/0x780 [ 9.304740][ T202] ? hvc_write+0x3a0/0x3a0 [ 9.304742][ T202] ? rcu_is_watching+0x16/0xd0 [ 9.304744][ T202] ? lock_acquire+0x13c/0x160 [ 9.304748][ T202] console_emit_next_record+0x22f/0x4c0 [ 9.304752][ T202] ? devkmsg_read+0x4b0/0x4b0 [ 9.304754][ T202] ? console_flush_one_record+0x106/0x710 [ 9.304757][ T202] ? rcu_is_watching+0x16/0xd0 [ 9.304758][ T202] ? lock_acquire+0x13c/0x160 [ 9.304762][ T202] console_flush_one_record+0x46f/0x710 [ 9.304766][ T202] ? console_emit_next_record+0x4c0/0x4c0 [ 9.304768][ T202] ? __lock_acquire+0x518/0xc20 [ 9.304773][ T202] console_unlock+0xee/0x1f0 [ 9.304776][ T202] ? console_flush_one_record+0x710/0x710 [ 9.304778][ T202] ? rcu_is_watching+0x16/0xd0 [ 9.304780][ T202] ? lock_acquire+0xe0/0x160 [ 9.304784][ T202] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.304785][ T202] ? vprintk_emit+0x320/0x3e0 [ 9.304788][ T202] vprintk_emit+0x37c/0x3e0 [ 9.304791][ T202] ? wake_up_klogd_work_func+0x90/0x90 [ 9.304794][ T202] ? __lock_acquire+0x518/0xc20 [ 9.304797][ T202] _printk+0xc7/0x100 [ 9.304801][ T202] ? snapshot_read.cold+0x21/0x21 [ 9.304804][ T202] ? do_raw_spin_lock+0x131/0x280 [ 9.304806][ T202] ? __rwlock_init+0x150/0x150 [ 9.304810][ T202] ? do_raw_spin_lock+0x131/0x280 [ 9.304813][ T202] do_exit.cold+0x82/0x9c [ 9.304816][ T202] ? exit_notify+0x890/0x890 [ 9.304817][ T202] ? __lock_release.isra.0+0x69/0x1a0 [ 9.304820][ T202] ? rcu_is_watching+0x16/0xd0 [ 9.304824][ T202] do_group_exit+0xb8/0x370 [ 9.304826][ T202] __x64_sys_exit_group+0x3c/0x50 [ 9.304828][ T202] x64_sys_call+0x1567/0x1570 [ 9.304831][ T202] do_syscall_64+0xff/0x530 [ 9.304834][ T202] ? exc_page_fault+0xee/0x100 [ 9.304837][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.304839][ T202] RIP: 0033:0x7fa692a5f1b8 [ 9.304841][ T202] Code: Unable to access opcode bytes at 0x7fa692a5f18e. [ 9.304842][ T202] RSP: 002b:00007ffcf8a8be58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.304845][ T202] RAX: ffffffffffffffda RBX: 00007fa692b8ff88 RCX: 00007fa692a5f1b8 [ 9.304846][ T202] RDX: 00007fa6927a9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.304847][ T202] RBP: 00007ffcf8a8beb0 R08: 0000000000000000 R09: 0000000000000050 [ 9.304848][ T202] R10: 00007ffcf8a8bc70 R11: 0000000000000246 R12: 0000000000000001 [ 9.304848][ T202] R13: 0000000000000000 R14: 00007fa692b8e680 R15: 00007fa692b8ffa0 [ 9.304855][ T202]