[ 10.979500][ T198] ip (198) used greatest stack depth: 23504 bytes left [ 10.979522][ T198] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.979525][ T198] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 198, name: ip [ 10.979527][ T198] preempt_count: 2, expected: 0 [ 10.979528][ T198] RCU nest depth: 0, expected: 0 [ 10.979530][ T198] locks held by ip/198: 5, last CPU#1: [ 10.979532][ T198] #0: ffffffffa56167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.979546][ T198] #1: ffffffffa577ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.979553][ T198] #2: ffffffffa577de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.979559][ T198] #3: ffffffffa569d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.979564][ T198] #4: ffffffffa569d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.979570][ T198] irq event stamp: 31524 [ 10.979572][ T198] hardirqs last enabled at (31523): [] __down_trylock_console_sem+0x86/0xa0 [ 10.979575][ T198] hardirqs last disabled at (31524): [] console_emit_next_record+0x3d4/0x4c0 [ 10.979578][ T198] softirqs last enabled at (31260): [] handle_softirqs+0x67c/0x900 [ 10.979582][ T198] softirqs last disabled at (31255): [] __irq_exit_rcu+0x145/0x1c0 [ 10.979585][ T198] Preemption disabled at: [ 10.979586][ T198] [<0000000000000000>] 0x0 [ 10.979594][ T198] CPU: 1 UID: 0 PID: 198 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.979599][ T198] Tainted: [W]=WARN [ 10.979600][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.979602][ T198] Call Trace: [ 10.979604][ T198] [ 10.979606][ T198] dump_stack_lvl+0x6f/0xa0 [ 10.979614][ T198] __might_resched.cold+0x1fe/0x2c1 [ 10.979620][ T198] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.979626][ T198] ? __kmalloc_noprof+0xdb/0x760 [ 10.979633][ T198] __kmalloc_noprof+0x443/0x760 [ 10.979637][ T198] ? alloc_buf.isra.0+0x4b/0x260 [ 10.979646][ T198] ? do_raw_spin_unlock+0x59/0x250 [ 10.979650][ T198] alloc_buf.isra.0+0x4b/0x260 [ 10.979655][ T198] put_chars+0x1e1/0x2f0 [ 10.979659][ T198] ? __send_to_port+0x420/0x420 [ 10.979661][ T198] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.979666][ T198] ? validate_chain+0x38b/0xc20 [ 10.979675][ T198] hvc_console_print+0x292/0x780 [ 10.979693][ T198] ? hvc_write+0x3a0/0x3a0 [ 10.979697][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.979700][ T198] ? lock_acquire+0x13c/0x160 [ 10.979707][ T198] console_emit_next_record+0x22f/0x4c0 [ 10.979713][ T198] ? devkmsg_read+0x4b0/0x4b0 [ 10.979716][ T198] ? console_flush_one_record+0x106/0x710 [ 10.979721][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.979724][ T198] ? lock_acquire+0x13c/0x160 [ 10.979731][ T198] console_flush_one_record+0x46f/0x710 [ 10.979737][ T198] ? console_emit_next_record+0x4c0/0x4c0 [ 10.979740][ T198] ? __lock_acquire+0x518/0xc20 [ 10.979749][ T198] console_unlock+0xee/0x1f0 [ 10.979753][ T198] ? console_flush_one_record+0x710/0x710 [ 10.979756][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.979759][ T198] ? lock_acquire+0xe0/0x160 [ 10.979765][ T198] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.979768][ T198] ? vprintk_emit+0x320/0x3e0 [ 10.979772][ T198] vprintk_emit+0x37c/0x3e0 [ 10.979778][ T198] ? wake_up_klogd_work_func+0x90/0x90 [ 10.979783][ T198] ? __lock_acquire+0x518/0xc20 [ 10.979789][ T198] _printk+0xc7/0x100 [ 10.979793][ T198] ? snapshot_read.cold+0x21/0x21 [ 10.979798][ T198] ? do_raw_spin_lock+0x131/0x280 [ 10.979802][ T198] ? __rwlock_init+0x150/0x150 [ 10.979808][ T198] ? do_raw_spin_lock+0x131/0x280 [ 10.979813][ T198] do_exit.cold+0x82/0x9c [ 10.979818][ T198] ? exit_notify+0x890/0x890 [ 10.979820][ T198] ? __lock_release.isra.0+0x69/0x1a0 [ 10.979824][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.979830][ T198] do_group_exit+0xb8/0x370 [ 10.979835][ T198] __x64_sys_exit_group+0x3c/0x50 [ 10.979838][ T198] x64_sys_call+0x1567/0x1570 [ 10.979841][ T198] do_syscall_64+0xff/0x530 [ 10.979846][ T198] ? exc_page_fault+0xee/0x100 [ 10.979851][ T198] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.979854][ T198] RIP: 0033:0x7f6fe0fea1b8 [ 10.979856][ T198] Code: Unable to access opcode bytes at 0x7f6fe0fea18e. [ 10.979858][ T198] RSP: 002b:00007fffcc461fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.979861][ T198] RAX: ffffffffffffffda RBX: 00007f6fe111af88 RCX: 00007f6fe0fea1b8 [ 10.979863][ T198] RDX: 00007f6fe0d34fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.979865][ T198] RBP: 00007fffcc462040 R08: 0000000000000000 R09: 0000000000000050 [ 10.979866][ T198] R10: 00007fffcc461e00 R11: 0000000000000246 R12: 0000000000000001 [ 10.979867][ T198] R13: 0000000000000000 R14: 00007f6fe1119680 R15: 00007f6fe111afa0 [ 10.979880][ T198] [ 11.683375][ T217] GACT probability NOT on