[ 10.359757][ T197] ip (197) used greatest stack depth: 24112 bytes left [ 10.359773][ T197] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.359775][ T197] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 197, name: ip [ 10.359777][ T197] preempt_count: 2, expected: 0 [ 10.359778][ T197] RCU nest depth: 0, expected: 0 [ 10.359779][ T197] locks held by ip/197: 5, last CPU#1: [ 10.359781][ T197] #0: ffffffffb54167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.359792][ T197] #1: ffffffffb557ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.359797][ T197] #2: ffffffffb557de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.359801][ T197] #3: ffffffffb549d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.359805][ T197] #4: ffffffffb549d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.359809][ T197] irq event stamp: 38970 [ 10.359810][ T197] hardirqs last enabled at (38969): [] __down_trylock_console_sem+0x86/0xa0 [ 10.359813][ T197] hardirqs last disabled at (38970): [] console_emit_next_record+0x3d4/0x4c0 [ 10.359815][ T197] softirqs last enabled at (38858): [] handle_softirqs+0x67c/0x900 [ 10.359817][ T197] softirqs last disabled at (38463): [] __irq_exit_rcu+0x145/0x1c0 [ 10.359819][ T197] Preemption disabled at: [ 10.359820][ T197] [<0000000000000000>] 0x0 [ 10.359826][ T197] CPU: 1 UID: 0 PID: 197 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.359830][ T197] Tainted: [W]=WARN [ 10.359831][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.359832][ T197] Call Trace: [ 10.359834][ T197] [ 10.359835][ T197] dump_stack_lvl+0x6f/0xa0 [ 10.359841][ T197] __might_resched.cold+0x1fe/0x2c1 [ 10.359846][ T197] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.359850][ T197] ? __kmalloc_noprof+0xdb/0x760 [ 10.359854][ T197] __kmalloc_noprof+0x443/0x760 [ 10.359856][ T197] ? alloc_buf.isra.0+0x4b/0x260 [ 10.359863][ T197] ? do_raw_spin_unlock+0x59/0x250 [ 10.359866][ T197] alloc_buf.isra.0+0x4b/0x260 [ 10.359870][ T197] put_chars+0x1e1/0x2f0 [ 10.359872][ T197] ? __send_to_port+0x420/0x420 [ 10.359873][ T197] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.359877][ T197] ? validate_chain+0x38b/0xc20 [ 10.359882][ T197] hvc_console_print+0x292/0x780 [ 10.359890][ T197] ? hvc_write+0x3a0/0x3a0 [ 10.359893][ T197] ? rcu_is_watching+0x16/0xd0 [ 10.359895][ T197] ? lock_acquire+0x13c/0x160 [ 10.359899][ T197] console_emit_next_record+0x22f/0x4c0 [ 10.359903][ T197] ? devkmsg_read+0x4b0/0x4b0 [ 10.359905][ T197] ? console_flush_one_record+0x106/0x710 [ 10.359908][ T197] ? rcu_is_watching+0x16/0xd0 [ 10.359910][ T197] ? lock_acquire+0x13c/0x160 [ 10.359914][ T197] console_flush_one_record+0x46f/0x710 [ 10.359918][ T197] ? console_emit_next_record+0x4c0/0x4c0 [ 10.359920][ T197] ? __lock_acquire+0x518/0xc20 [ 10.359926][ T197] console_unlock+0xee/0x1f0 [ 10.359928][ T197] ? console_flush_one_record+0x710/0x710 [ 10.359930][ T197] ? rcu_is_watching+0x16/0xd0 [ 10.359932][ T197] ? lock_acquire+0xe0/0x160 [ 10.359936][ T197] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.359938][ T197] ? vprintk_emit+0x320/0x3e0 [ 10.359940][ T197] vprintk_emit+0x37c/0x3e0 [ 10.359944][ T197] ? wake_up_klogd_work_func+0x90/0x90 [ 10.359947][ T197] ? __lock_acquire+0x518/0xc20 [ 10.359950][ T197] _printk+0xc7/0x100 [ 10.359954][ T197] ? snapshot_read.cold+0x21/0x21 [ 10.359957][ T197] ? do_raw_spin_lock+0x131/0x280 [ 10.359960][ T197] ? __rwlock_init+0x150/0x150 [ 10.359964][ T197] ? do_raw_spin_lock+0x131/0x280 [ 10.359966][ T197] do_exit.cold+0x82/0x9c [ 10.359970][ T197] ? exit_notify+0x890/0x890 [ 10.359971][ T197] ? __lock_release.isra.0+0x69/0x1a0 [ 10.359974][ T197] ? rcu_is_watching+0x16/0xd0 [ 10.359978][ T197] do_group_exit+0xb8/0x370 [ 10.359981][ T197] __x64_sys_exit_group+0x3c/0x50 [ 10.359982][ T197] x64_sys_call+0x1567/0x1570 [ 10.359985][ T197] do_syscall_64+0xff/0x530 [ 10.359989][ T197] ? exc_page_fault+0xee/0x100 [ 10.359992][ T197] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.359994][ T197] RIP: 0033:0x7fd4ce2611b8 [ 10.359996][ T197] Code: Unable to access opcode bytes at 0x7fd4ce26118e. [ 10.359997][ T197] RSP: 002b:00007fffb6ab9408 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.360000][ T197] RAX: ffffffffffffffda RBX: 00007fd4ce391f88 RCX: 00007fd4ce2611b8 [ 10.360001][ T197] RDX: 00007fd4cdfabfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.360002][ T197] RBP: 00007fffb6ab9460 R08: 0000000000000000 R09: 0000000000008010 [ 10.360003][ T197] R10: 00007fffb6ab9220 R11: 0000000000000246 R12: 0000000000000001 [ 10.360003][ T197] R13: 0000000000000000 R14: 00007fd4ce390680 R15: 00007fd4ce391fa0 [ 10.360010][ T197]