[ 9.507580][ T185] ip (185) used greatest stack depth: 23648 bytes left [ 9.507596][ T185] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.507599][ T185] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 185, name: ip [ 9.507600][ T185] preempt_count: 2, expected: 0 [ 9.507601][ T185] RCU nest depth: 0, expected: 0 [ 9.507602][ T185] locks held by ip/185: 5, last CPU#3: [ 9.507604][ T185] #0: ffffffffa1802f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.507616][ T185] #1: ffffffffa196a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.507621][ T185] #2: ffffffffa196a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.507624][ T185] #3: ffffffffa1889de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.507627][ T185] #4: ffffffffa1889ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.507630][ T185] irq event stamp: 29806 [ 9.507631][ T185] hardirqs last enabled at (29805): [] __down_trylock_console_sem+0x86/0xa0 [ 9.507634][ T185] hardirqs last disabled at (29806): [] console_emit_next_record+0x3d4/0x4c0 [ 9.507636][ T185] softirqs last enabled at (29568): [] handle_softirqs+0x67c/0x900 [ 9.507638][ T185] softirqs last disabled at (29563): [] __irq_exit_rcu+0x145/0x1c0 [ 9.507641][ T185] Preemption disabled at: [ 9.507641][ T185] [<0000000000000000>] 0x0 [ 9.507647][ T185] CPU: 3 UID: 0 PID: 185 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.507651][ T185] Tainted: [W]=WARN [ 9.507652][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.507653][ T185] Call Trace: [ 9.507655][ T185] [ 9.507656][ T185] dump_stack_lvl+0x6f/0xa0 [ 9.507662][ T185] __might_resched.cold+0x1fe/0x2c1 [ 9.507666][ T185] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.507669][ T185] ? __kmalloc_noprof+0xdb/0x760 [ 9.507674][ T185] __kmalloc_noprof+0x443/0x760 [ 9.507676][ T185] ? alloc_buf.isra.0+0x4b/0x260 [ 9.507682][ T185] ? do_raw_spin_unlock+0x59/0x250 [ 9.507685][ T185] alloc_buf.isra.0+0x4b/0x260 [ 9.507688][ T185] put_chars+0x1e1/0x2f0 [ 9.507691][ T185] ? __send_to_port+0x420/0x420 [ 9.507698][ T185] hvc_console_print+0x292/0x780 [ 9.507704][ T185] ? hvc_write+0x3a0/0x3a0 [ 9.507707][ T185] ? lock_acquire+0x13c/0x160 [ 9.507712][ T185] console_emit_next_record+0x22f/0x4c0 [ 9.507715][ T185] ? devkmsg_read+0x4b0/0x4b0 [ 9.507716][ T185] ? console_flush_one_record+0x106/0x710 [ 9.507719][ T185] ? rcu_is_watching+0x16/0xd0 [ 9.507722][ T185] ? lock_acquire+0x13c/0x160 [ 9.507726][ T185] console_flush_one_record+0x46f/0x710 [ 9.507730][ T185] ? console_emit_next_record+0x4c0/0x4c0 [ 9.507731][ T185] ? __lock_acquire+0x518/0xc20 [ 9.507736][ T185] console_unlock+0xee/0x1f0 [ 9.507739][ T185] ? console_flush_one_record+0x710/0x710 [ 9.507740][ T185] ? rcu_is_watching+0x16/0xd0 [ 9.507742][ T185] ? lock_acquire+0x60/0x160 [ 9.507745][ T185] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.507747][ T185] ? vprintk_emit+0x320/0x3e0 [ 9.507750][ T185] vprintk_emit+0x37c/0x3e0 [ 9.507753][ T185] ? wake_up_klogd_work_func+0x90/0x90 [ 9.507756][ T185] ? __lock_acquire+0x518/0xc20 [ 9.507760][ T185] _printk+0xc7/0x100 [ 9.507763][ T185] ? snapshot_read.cold+0x21/0x21 [ 9.507766][ T185] ? do_raw_spin_lock+0x131/0x280 [ 9.507769][ T185] ? __rwlock_init+0x150/0x150 [ 9.507773][ T185] ? do_raw_spin_lock+0x131/0x280 [ 9.507775][ T185] do_exit.cold+0x82/0x9c [ 9.507779][ T185] ? exit_notify+0x890/0x890 [ 9.507781][ T185] ? __lock_release.isra.0+0x69/0x1a0 [ 9.507784][ T185] ? rcu_is_watching+0x16/0xd0 [ 9.507787][ T185] do_group_exit+0xb8/0x370 [ 9.507790][ T185] __x64_sys_exit_group+0x3c/0x50 [ 9.507792][ T185] x64_sys_call+0x1567/0x1570 [ 9.507795][ T185] do_syscall_64+0x10e/0x570 [ 9.507798][ T185] ? exc_page_fault+0xee/0x100 [ 9.507801][ T185] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.507804][ T185] RIP: 0033:0x7f82b29d91b8 [ 9.507806][ T185] Code: Unable to access opcode bytes at 0x7f82b29d918e. [ 9.507807][ T185] RSP: 002b:00007ffce6f10358 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.507809][ T185] RAX: ffffffffffffffda RBX: 00007f82b2b09f88 RCX: 00007f82b29d91b8 [ 9.507810][ T185] RDX: 00007f82b2723fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.507811][ T185] RBP: 00007ffce6f103b0 R08: 0000000000000000 R09: 0000000000000050 [ 9.507812][ T185] R10: 00007ffce6f10170 R11: 0000000000000246 R12: 0000000000000001 [ 9.507813][ T185] R13: 0000000000000000 R14: 00007f82b2b08680 R15: 00007f82b2b09fa0 [ 9.507819][ T185]