[ 9.247888][ T183] ip (183) used greatest stack depth: 24744 bytes left [ 9.247903][ T183] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.247905][ T183] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 183, name: ip [ 9.247907][ T183] preempt_count: 2, expected: 0 [ 9.247908][ T183] RCU nest depth: 0, expected: 0 [ 9.247908][ T183] locks held by ip/183: 5, last CPU#2: [ 9.247911][ T183] #0: ffffffffb5202f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.247922][ T183] #1: ffffffffb536a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.247927][ T183] #2: ffffffffb536a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.247930][ T183] #3: ffffffffb5289de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.247933][ T183] #4: ffffffffb5289ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.247936][ T183] irq event stamp: 24912 [ 9.247937][ T183] hardirqs last enabled at (24911): [] __down_trylock_console_sem+0x86/0xa0 [ 9.247941][ T183] hardirqs last disabled at (24912): [] console_emit_next_record+0x3d4/0x4c0 [ 9.247942][ T183] softirqs last enabled at (23446): [] handle_softirqs+0x67c/0x900 [ 9.247945][ T183] softirqs last disabled at (22401): [] __irq_exit_rcu+0x145/0x1c0 [ 9.247947][ T183] Preemption disabled at: [ 9.247948][ T183] [<0000000000000000>] 0x0 [ 9.247954][ T183] CPU: 2 UID: 0 PID: 183 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.247958][ T183] Tainted: [W]=WARN [ 9.247958][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.247960][ T183] Call Trace: [ 9.247961][ T183] [ 9.247963][ T183] dump_stack_lvl+0x6f/0xa0 [ 9.247968][ T183] __might_resched.cold+0x1fe/0x2c1 [ 9.247973][ T183] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.247976][ T183] ? __kmalloc_noprof+0xdb/0x760 [ 9.247981][ T183] __kmalloc_noprof+0x443/0x760 [ 9.247983][ T183] ? alloc_buf.isra.0+0x4b/0x260 [ 9.247989][ T183] ? do_raw_spin_unlock+0x59/0x250 [ 9.247992][ T183] alloc_buf.isra.0+0x4b/0x260 [ 9.247995][ T183] put_chars+0x1e1/0x2f0 [ 9.247998][ T183] ? __send_to_port+0x420/0x420 [ 9.248005][ T183] hvc_console_print+0x292/0x780 [ 9.248011][ T183] ? hvc_write+0x3a0/0x3a0 [ 9.248014][ T183] ? lock_acquire+0x13c/0x160 [ 9.248018][ T183] console_emit_next_record+0x22f/0x4c0 [ 9.248021][ T183] ? devkmsg_read+0x4b0/0x4b0 [ 9.248023][ T183] ? console_flush_one_record+0x106/0x710 [ 9.248025][ T183] ? rcu_is_watching+0x16/0xd0 [ 9.248029][ T183] ? lock_acquire+0x13c/0x160 [ 9.248033][ T183] console_flush_one_record+0x46f/0x710 [ 9.248036][ T183] ? console_emit_next_record+0x4c0/0x4c0 [ 9.248038][ T183] ? __lock_acquire+0x518/0xc20 [ 9.248043][ T183] console_unlock+0xee/0x1f0 [ 9.248045][ T183] ? console_flush_one_record+0x710/0x710 [ 9.248046][ T183] ? rcu_is_watching+0x16/0xd0 [ 9.248048][ T183] ? lock_acquire+0x60/0x160 [ 9.248052][ T183] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.248054][ T183] ? vprintk_emit+0x320/0x3e0 [ 9.248056][ T183] vprintk_emit+0x37c/0x3e0 [ 9.248060][ T183] ? wake_up_klogd_work_func+0x90/0x90 [ 9.248062][ T183] ? __lock_acquire+0x518/0xc20 [ 9.248066][ T183] _printk+0xc7/0x100 [ 9.248070][ T183] ? snapshot_read.cold+0x21/0x21 [ 9.248072][ T183] ? do_raw_spin_lock+0x131/0x280 [ 9.248075][ T183] ? __rwlock_init+0x150/0x150 [ 9.248079][ T183] ? do_raw_spin_lock+0x131/0x280 [ 9.248082][ T183] do_exit.cold+0x82/0x9c [ 9.248085][ T183] ? exit_notify+0x890/0x890 [ 9.248087][ T183] ? __lock_release.isra.0+0x69/0x1a0 [ 9.248090][ T183] ? rcu_is_watching+0x16/0xd0 [ 9.248093][ T183] do_group_exit+0xb8/0x370 [ 9.248096][ T183] __x64_sys_exit_group+0x3c/0x50 [ 9.248098][ T183] x64_sys_call+0x1567/0x1570 [ 9.248101][ T183] do_syscall_64+0x10e/0x570 [ 9.248104][ T183] ? exc_page_fault+0xee/0x100 [ 9.248108][ T183] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.248110][ T183] RIP: 0033:0x7f42a67fe1b8 [ 9.248112][ T183] Code: Unable to access opcode bytes at 0x7f42a67fe18e. [ 9.248113][ T183] RSP: 002b:00007ffcc76cff98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.248115][ T183] RAX: ffffffffffffffda RBX: 00007f42a692ef88 RCX: 00007f42a67fe1b8 [ 9.248117][ T183] RDX: 00007f42a6548fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.248117][ T183] RBP: 00007ffcc76cfff0 R08: 0000000000000000 R09: 0000000000000050 [ 9.248118][ T183] R10: 00007ffcc76cfdb0 R11: 0000000000000246 R12: 0000000000000001 [ 9.248119][ T183] R13: 0000000000000000 R14: 00007f42a692d680 R15: 00007f42a692efa0 [ 9.248126][ T183] [ 9.415796][ T188] ip (188) used greatest stack depth: 23600 bytes left