[ 10.497597][ T215] ip (215) used greatest stack depth: 24256 bytes left [ 10.497612][ T215] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.497614][ T215] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 215, name: ip [ 10.497615][ T215] preempt_count: 2, expected: 0 [ 10.497616][ T215] RCU nest depth: 0, expected: 0 [ 10.497617][ T215] locks held by ip/215: 5, last CPU#2: [ 10.497620][ T215] #0: ffffffff8b402f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 10.497631][ T215] #1: ffffffff8b56a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.497636][ T215] #2: ffffffff8b56a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.497639][ T215] #3: ffffffff8b489de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.497642][ T215] #4: ffffffff8b489ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.497645][ T215] irq event stamp: 38008 [ 10.497646][ T215] hardirqs last enabled at (38007): [] __down_trylock_console_sem+0x86/0xa0 [ 10.497649][ T215] hardirqs last disabled at (38008): [] console_emit_next_record+0x3d4/0x4c0 [ 10.497651][ T215] softirqs last enabled at (36722): [] netlink_release+0x17b/0xcf0 [ 10.497655][ T215] softirqs last disabled at (36720): [] netlink_release+0xd2/0xcf0 [ 10.497657][ T215] Preemption disabled at: [ 10.497658][ T215] [<0000000000000000>] 0x0 [ 10.497664][ T215] CPU: 2 UID: 0 PID: 215 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.497667][ T215] Tainted: [W]=WARN [ 10.497668][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.497670][ T215] Call Trace: [ 10.497671][ T215] [ 10.497672][ T215] dump_stack_lvl+0x6f/0xa0 [ 10.497678][ T215] __might_resched.cold+0x1fe/0x2c1 [ 10.497683][ T215] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.497686][ T215] ? __kmalloc_noprof+0xdb/0x760 [ 10.497690][ T215] __kmalloc_noprof+0x443/0x760 [ 10.497693][ T215] ? alloc_buf.isra.0+0x4b/0x260 [ 10.497698][ T215] ? do_raw_spin_unlock+0x59/0x250 [ 10.497701][ T215] alloc_buf.isra.0+0x4b/0x260 [ 10.497704][ T215] put_chars+0x1e1/0x2f0 [ 10.497708][ T215] ? __send_to_port+0x420/0x420 [ 10.497714][ T215] hvc_console_print+0x292/0x780 [ 10.497721][ T215] ? hvc_write+0x3a0/0x3a0 [ 10.497723][ T215] ? lock_acquire+0x13c/0x160 [ 10.497732][ T215] console_emit_next_record+0x22f/0x4c0 [ 10.497735][ T215] ? devkmsg_read+0x4b0/0x4b0 [ 10.497737][ T215] ? console_flush_one_record+0x106/0x710 [ 10.497739][ T215] ? rcu_is_watching+0x16/0xd0 [ 10.497743][ T215] ? lock_acquire+0x13c/0x160 [ 10.497747][ T215] console_flush_one_record+0x46f/0x710 [ 10.497750][ T215] ? console_emit_next_record+0x4c0/0x4c0 [ 10.497752][ T215] ? __lock_acquire+0x518/0xc20 [ 10.497757][ T215] console_unlock+0xee/0x1f0 [ 10.497759][ T215] ? console_flush_one_record+0x710/0x710 [ 10.497760][ T215] ? rcu_is_watching+0x16/0xd0 [ 10.497762][ T215] ? lock_acquire+0x60/0x160 [ 10.497766][ T215] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.497768][ T215] ? vprintk_emit+0x320/0x3e0 [ 10.497771][ T215] vprintk_emit+0x37c/0x3e0 [ 10.497774][ T215] ? wake_up_klogd_work_func+0x90/0x90 [ 10.497777][ T215] ? __lock_acquire+0x518/0xc20 [ 10.497781][ T215] _printk+0xc7/0x100 [ 10.497784][ T215] ? snapshot_read.cold+0x21/0x21 [ 10.497787][ T215] ? do_raw_spin_lock+0x131/0x280 [ 10.497790][ T215] ? __rwlock_init+0x150/0x150 [ 10.497793][ T215] ? do_raw_spin_lock+0x131/0x280 [ 10.497796][ T215] do_exit.cold+0x82/0x9c [ 10.497800][ T215] ? exit_notify+0x890/0x890 [ 10.497802][ T215] ? __lock_release.isra.0+0x69/0x1a0 [ 10.497804][ T215] ? rcu_is_watching+0x16/0xd0 [ 10.497808][ T215] do_group_exit+0xb8/0x370 [ 10.497811][ T215] __x64_sys_exit_group+0x3c/0x50 [ 10.497813][ T215] x64_sys_call+0x1567/0x1570 [ 10.497816][ T215] do_syscall_64+0x10e/0x570 [ 10.497819][ T215] ? exc_page_fault+0xee/0x100 [ 10.497822][ T215] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.497824][ T215] RIP: 0033:0x7f8d5608d1b8 [ 10.497826][ T215] Code: Unable to access opcode bytes at 0x7f8d5608d18e. [ 10.497827][ T215] RSP: 002b:00007ffc5a775e28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.497830][ T215] RAX: ffffffffffffffda RBX: 00007f8d561bdf88 RCX: 00007f8d5608d1b8 [ 10.497831][ T215] RDX: 00007f8d55dd7fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.497832][ T215] RBP: 00007ffc5a775e80 R08: 0000000000000000 R09: 0000000000000000 [ 10.497833][ T215] R10: 00007ffc5a775c40 R11: 0000000000000246 R12: 0000000000000001 [ 10.497833][ T215] R13: 0000000000000000 R14: 00007f8d561bc680 R15: 00007f8d561bdfa0 [ 10.497840][ T215]