[ 11.040522][ T203] ip (203) used greatest stack depth: 24640 bytes left [ 11.040539][ T203] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.040541][ T203] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 203, name: ip [ 11.040543][ T203] preempt_count: 2, expected: 0 [ 11.040544][ T203] RCU nest depth: 0, expected: 0 [ 11.040545][ T203] locks held by ip/203: 5, last CPU#3: [ 11.040547][ T203] #0: ffffffffaca167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.040558][ T203] #1: ffffffffacb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.040564][ T203] #2: ffffffffacb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.040568][ T203] #3: ffffffffaca9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.040572][ T203] #4: ffffffffaca9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.040576][ T203] irq event stamp: 34844 [ 11.040577][ T203] hardirqs last enabled at (34843): [] __down_trylock_console_sem+0x86/0xa0 [ 11.040581][ T203] hardirqs last disabled at (34844): [] console_emit_next_record+0x3d4/0x4c0 [ 11.040583][ T203] softirqs last enabled at (34838): [] handle_softirqs+0x67c/0x900 [ 11.040585][ T203] softirqs last disabled at (33905): [] __irq_exit_rcu+0x145/0x1c0 [ 11.040587][ T203] Preemption disabled at: [ 11.040588][ T203] [<0000000000000000>] 0x0 [ 11.040595][ T203] CPU: 3 UID: 0 PID: 203 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.040599][ T203] Tainted: [W]=WARN [ 11.040600][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.040602][ T203] Call Trace: [ 11.040603][ T203] [ 11.040605][ T203] dump_stack_lvl+0x6f/0xa0 [ 11.040612][ T203] __might_resched.cold+0x1fe/0x2c1 [ 11.040617][ T203] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.040621][ T203] ? __kmalloc_noprof+0xdb/0x760 [ 11.040625][ T203] __kmalloc_noprof+0x443/0x760 [ 11.040627][ T203] ? alloc_buf.isra.0+0x4b/0x260 [ 11.040634][ T203] ? do_raw_spin_unlock+0x59/0x250 [ 11.040637][ T203] alloc_buf.isra.0+0x4b/0x260 [ 11.040641][ T203] put_chars+0x1e1/0x2f0 [ 11.040643][ T203] ? __send_to_port+0x420/0x420 [ 11.040644][ T203] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.040648][ T203] ? validate_chain+0x38b/0xc20 [ 11.040654][ T203] hvc_console_print+0x292/0x780 [ 11.040661][ T203] ? hvc_write+0x3a0/0x3a0 [ 11.040664][ T203] ? rcu_is_watching+0x16/0xd0 [ 11.040666][ T203] ? lock_acquire+0x13c/0x160 [ 11.040670][ T203] console_emit_next_record+0x22f/0x4c0 [ 11.040674][ T203] ? devkmsg_read+0x4b0/0x4b0 [ 11.040676][ T203] ? console_flush_one_record+0x106/0x710 [ 11.040679][ T203] ? rcu_is_watching+0x16/0xd0 [ 11.040681][ T203] ? lock_acquire+0x13c/0x160 [ 11.040685][ T203] console_flush_one_record+0x46f/0x710 [ 11.040689][ T203] ? console_emit_next_record+0x4c0/0x4c0 [ 11.040691][ T203] ? __lock_acquire+0x518/0xc20 [ 11.040696][ T203] console_unlock+0xee/0x1f0 [ 11.040699][ T203] ? console_flush_one_record+0x710/0x710 [ 11.040701][ T203] ? rcu_is_watching+0x16/0xd0 [ 11.040703][ T203] ? lock_acquire+0xe0/0x160 [ 11.040707][ T203] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.040708][ T203] ? vprintk_emit+0x320/0x3e0 [ 11.040711][ T203] vprintk_emit+0x37c/0x3e0 [ 11.040714][ T203] ? wake_up_klogd_work_func+0x90/0x90 [ 11.040717][ T203] ? __lock_acquire+0x518/0xc20 [ 11.040721][ T203] _printk+0xc7/0x100 [ 11.040724][ T203] ? snapshot_read.cold+0x21/0x21 [ 11.040727][ T203] ? do_raw_spin_lock+0x131/0x280 [ 11.040730][ T203] ? __rwlock_init+0x150/0x150 [ 11.040734][ T203] ? do_raw_spin_lock+0x131/0x280 [ 11.040736][ T203] do_exit.cold+0x82/0x9c [ 11.040740][ T203] ? exit_notify+0x890/0x890 [ 11.040742][ T203] ? __lock_release.isra.0+0x69/0x1a0 [ 11.040744][ T203] ? rcu_is_watching+0x16/0xd0 [ 11.040748][ T203] do_group_exit+0xb8/0x370 [ 11.040751][ T203] __x64_sys_exit_group+0x3c/0x50 [ 11.040753][ T203] x64_sys_call+0x1567/0x1570 [ 11.040755][ T203] do_syscall_64+0xff/0x530 [ 11.040759][ T203] ? exc_page_fault+0xee/0x100 [ 11.040762][ T203] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.040765][ T203] RIP: 0033:0x7f157f7341b8 [ 11.040767][ T203] Code: Unable to access opcode bytes at 0x7f157f73418e. [ 11.040768][ T203] RSP: 002b:00007ffdb554b008 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.040770][ T203] RAX: ffffffffffffffda RBX: 00007f157f864f88 RCX: 00007f157f7341b8 [ 11.040772][ T203] RDX: 00007f157f47efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.040773][ T203] RBP: 00007ffdb554b060 R08: 0000000000000000 R09: 0000000000000050 [ 11.040773][ T203] R10: 00007ffdb554ae20 R11: 0000000000000246 R12: 0000000000000001 [ 11.040774][ T203] R13: 0000000000000000 R14: 00007f157f863680 R15: 00007f157f864fa0 [ 11.040781][ T203] [ 11.300306][ T206] ip (206) used greatest stack depth: 23760 bytes left