[ 9.674317][ T187] ip (187) used greatest stack depth: 23904 bytes left [ 9.674332][ T187] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.674334][ T187] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 187, name: ip [ 9.674335][ T187] preempt_count: 2, expected: 0 [ 9.674336][ T187] RCU nest depth: 0, expected: 0 [ 9.674337][ T187] locks held by ip/187: 5, last CPU#2: [ 9.674340][ T187] #0: ffffffff88a027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.674351][ T187] #1: ffffffff88b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.674357][ T187] #2: ffffffff88b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.674360][ T187] #3: ffffffff88a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.674364][ T187] #4: ffffffff88a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.674368][ T187] irq event stamp: 35548 [ 9.674369][ T187] hardirqs last enabled at (35547): [] __down_trylock_console_sem+0x86/0xa0 [ 9.674372][ T187] hardirqs last disabled at (35548): [] console_emit_next_record+0x3d4/0x4c0 [ 9.674373][ T187] softirqs last enabled at (35350): [] handle_softirqs+0x67c/0x900 [ 9.674375][ T187] softirqs last disabled at (34947): [] __irq_exit_rcu+0x145/0x1c0 [ 9.674377][ T187] Preemption disabled at: [ 9.674378][ T187] [<0000000000000000>] 0x0 [ 9.674385][ T187] CPU: 2 UID: 0 PID: 187 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.674388][ T187] Tainted: [W]=WARN [ 9.674389][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.674390][ T187] Call Trace: [ 9.674392][ T187] [ 9.674394][ T187] dump_stack_lvl+0x6f/0xa0 [ 9.674400][ T187] __might_resched.cold+0x1fe/0x2c1 [ 9.674404][ T187] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.674409][ T187] ? __kmalloc_noprof+0xdb/0x760 [ 9.674414][ T187] __kmalloc_noprof+0x443/0x760 [ 9.674416][ T187] ? alloc_buf.isra.0+0x4b/0x260 [ 9.674422][ T187] ? do_raw_spin_unlock+0x59/0x250 [ 9.674424][ T187] alloc_buf.isra.0+0x4b/0x260 [ 9.674427][ T187] put_chars+0x1e1/0x2f0 [ 9.674430][ T187] ? __send_to_port+0x420/0x420 [ 9.674431][ T187] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.674436][ T187] ? validate_chain+0x38b/0xc20 [ 9.674441][ T187] hvc_console_print+0x292/0x780 [ 9.674447][ T187] ? hvc_write+0x3a0/0x3a0 [ 9.674449][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.674452][ T187] ? lock_acquire+0x13c/0x160 [ 9.674456][ T187] console_emit_next_record+0x22f/0x4c0 [ 9.674460][ T187] ? devkmsg_read+0x4b0/0x4b0 [ 9.674461][ T187] ? console_flush_one_record+0x106/0x710 [ 9.674464][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.674467][ T187] ? lock_acquire+0x13c/0x160 [ 9.674471][ T187] console_flush_one_record+0x46f/0x710 [ 9.674475][ T187] ? console_emit_next_record+0x4c0/0x4c0 [ 9.674476][ T187] ? __lock_acquire+0x518/0xc20 [ 9.674481][ T187] console_unlock+0xee/0x1f0 [ 9.674484][ T187] ? console_flush_one_record+0x710/0x710 [ 9.674486][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.674488][ T187] ? lock_acquire+0x60/0x160 [ 9.674492][ T187] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.674493][ T187] ? vprintk_emit+0x320/0x3e0 [ 9.674497][ T187] vprintk_emit+0x37c/0x3e0 [ 9.674500][ T187] ? wake_up_klogd_work_func+0x90/0x90 [ 9.674504][ T187] ? __lock_acquire+0x518/0xc20 [ 9.674507][ T187] _printk+0xc7/0x100 [ 9.674511][ T187] ? snapshot_read.cold+0x21/0x21 [ 9.674514][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.674516][ T187] ? __rwlock_init+0x150/0x150 [ 9.674520][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.674523][ T187] do_exit.cold+0x82/0x9c [ 9.674526][ T187] ? exit_notify+0x890/0x890 [ 9.674528][ T187] ? __lock_release.isra.0+0x69/0x1a0 [ 9.674531][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.674535][ T187] do_group_exit+0xb8/0x370 [ 9.674538][ T187] __x64_sys_exit_group+0x3c/0x50 [ 9.674539][ T187] x64_sys_call+0x1567/0x1570 [ 9.674541][ T187] do_syscall_64+0xff/0x530 [ 9.674545][ T187] ? exc_page_fault+0xee/0x100 [ 9.674548][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.674550][ T187] RIP: 0033:0x7f4ba175b1b8 [ 9.674552][ T187] Code: Unable to access opcode bytes at 0x7f4ba175b18e. [ 9.674553][ T187] RSP: 002b:00007ffe62b2b8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.674555][ T187] RAX: ffffffffffffffda RBX: 00007f4ba188bf88 RCX: 00007f4ba175b1b8 [ 9.674557][ T187] RDX: 00007f4ba14a5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.674558][ T187] RBP: 00007ffe62b2b930 R08: 0000000000000000 R09: 0000000000008010 [ 9.674558][ T187] R10: 00007ffe62b2b6f0 R11: 0000000000000246 R12: 0000000000000001 [ 9.674559][ T187] R13: 0000000000000000 R14: 00007f4ba188a680 R15: 00007f4ba188bfa0 [ 9.674566][ T187]