[ 11.896459][ T184] ip (184) used greatest stack depth: 23680 bytes left [ 11.896476][ T184] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.896478][ T184] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 184, name: ip [ 11.896479][ T184] preempt_count: 2, expected: 0 [ 11.896480][ T184] RCU nest depth: 0, expected: 0 [ 11.896481][ T184] locks held by ip/184: 5, last CPU#2: [ 11.896483][ T184] #0: fffffffface02f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 11.896496][ T184] #1: ffffffffacf6a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.896501][ T184] #2: ffffffffacf6a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.896505][ T184] #3: fffffffface89de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.896508][ T184] #4: fffffffface89ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.896511][ T184] irq event stamp: 33436 [ 11.896512][ T184] hardirqs last enabled at (33435): [] __down_trylock_console_sem+0x86/0xa0 [ 11.896516][ T184] hardirqs last disabled at (33436): [] console_emit_next_record+0x3d4/0x4c0 [ 11.896517][ T184] softirqs last enabled at (32866): [] handle_softirqs+0x67c/0x900 [ 11.896520][ T184] softirqs last disabled at (32859): [] __irq_exit_rcu+0x145/0x1c0 [ 11.896523][ T184] Preemption disabled at: [ 11.896523][ T184] [<0000000000000000>] 0x0 [ 11.896530][ T184] CPU: 2 UID: 0 PID: 184 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.896534][ T184] Tainted: [W]=WARN [ 11.896535][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.896536][ T184] Call Trace: [ 11.896538][ T184] [ 11.896539][ T184] dump_stack_lvl+0x6f/0xa0 [ 11.896545][ T184] __might_resched.cold+0x1fe/0x2c1 [ 11.896549][ T184] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.896553][ T184] ? __kmalloc_noprof+0xdb/0x760 [ 11.896558][ T184] __kmalloc_noprof+0x443/0x760 [ 11.896560][ T184] ? alloc_buf.isra.0+0x4b/0x260 [ 11.896567][ T184] ? do_raw_spin_unlock+0x59/0x250 [ 11.896570][ T184] alloc_buf.isra.0+0x4b/0x260 [ 11.896573][ T184] put_chars+0x1e1/0x2f0 [ 11.896576][ T184] ? __send_to_port+0x420/0x420 [ 11.896582][ T184] hvc_console_print+0x292/0x780 [ 11.896589][ T184] ? hvc_write+0x3a0/0x3a0 [ 11.896592][ T184] ? lock_acquire+0x13c/0x160 [ 11.896597][ T184] console_emit_next_record+0x22f/0x4c0 [ 11.896600][ T184] ? devkmsg_read+0x4b0/0x4b0 [ 11.896601][ T184] ? console_flush_one_record+0x106/0x710 [ 11.896604][ T184] ? rcu_is_watching+0x16/0xd0 [ 11.896608][ T184] ? lock_acquire+0x13c/0x160 [ 11.896612][ T184] console_flush_one_record+0x46f/0x710 [ 11.896615][ T184] ? console_emit_next_record+0x4c0/0x4c0 [ 11.896617][ T184] ? __lock_acquire+0x518/0xc20 [ 11.896622][ T184] console_unlock+0xee/0x1f0 [ 11.896624][ T184] ? console_flush_one_record+0x710/0x710 [ 11.896625][ T184] ? rcu_is_watching+0x16/0xd0 [ 11.896627][ T184] ? lock_acquire+0x60/0x160 [ 11.896631][ T184] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.896633][ T184] ? vprintk_emit+0x320/0x3e0 [ 11.896636][ T184] vprintk_emit+0x37c/0x3e0 [ 11.896639][ T184] ? wake_up_klogd_work_func+0x90/0x90 [ 11.896642][ T184] ? __lock_acquire+0x518/0xc20 [ 11.896646][ T184] _printk+0xc7/0x100 [ 11.896650][ T184] ? snapshot_read.cold+0x21/0x21 [ 11.896652][ T184] ? do_raw_spin_lock+0x131/0x280 [ 11.896656][ T184] ? __rwlock_init+0x150/0x150 [ 11.896663][ T184] ? do_raw_spin_lock+0x131/0x280 [ 11.896666][ T184] do_exit.cold+0x82/0x9c [ 11.896670][ T184] ? exit_notify+0x890/0x890 [ 11.896671][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 11.896674][ T184] ? rcu_is_watching+0x16/0xd0 [ 11.896678][ T184] do_group_exit+0xb8/0x370 [ 11.896681][ T184] __x64_sys_exit_group+0x3c/0x50 [ 11.896683][ T184] x64_sys_call+0x1567/0x1570 [ 11.896686][ T184] do_syscall_64+0x10e/0x570 [ 11.896689][ T184] ? exc_page_fault+0xee/0x100 [ 11.896693][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.896695][ T184] RIP: 0033:0x7fc782d6d1b8 [ 11.896697][ T184] Code: Unable to access opcode bytes at 0x7fc782d6d18e. [ 11.896698][ T184] RSP: 002b:00007ffe63936e18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.896701][ T184] RAX: ffffffffffffffda RBX: 00007fc782e9df88 RCX: 00007fc782d6d1b8 [ 11.896702][ T184] RDX: 00007fc782ab7fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.896703][ T184] RBP: 00007ffe63936e70 R08: 0000000000000000 R09: 0000000000000050 [ 11.896704][ T184] R10: 00007ffe63936c30 R11: 0000000000000246 R12: 0000000000000001 [ 11.896704][ T184] R13: 0000000000000000 R14: 00007fc782e9c680 R15: 00007fc782e9dfa0 [ 11.896711][ T184]