[ 10.978400][ T203] ip (203) used greatest stack depth: 24312 bytes left [ 10.978418][ T203] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.978420][ T203] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 203, name: ip [ 10.978422][ T203] preempt_count: 2, expected: 0 [ 10.978422][ T203] RCU nest depth: 0, expected: 0 [ 10.978424][ T203] locks held by ip/203: 5, last CPU#1: [ 10.978425][ T203] #0: ffffffffb08167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.978436][ T203] #1: ffffffffb097ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.978441][ T203] #2: ffffffffb097de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.978445][ T203] #3: ffffffffb089d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.978449][ T203] #4: ffffffffb089d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.978453][ T203] irq event stamp: 20620 [ 10.978454][ T203] hardirqs last enabled at (20619): [] __down_trylock_console_sem+0x86/0xa0 [ 10.978457][ T203] hardirqs last disabled at (20620): [] console_emit_next_record+0x3d4/0x4c0 [ 10.978459][ T203] softirqs last enabled at (19032): [] netlink_release+0x17b/0xcf0 [ 10.978463][ T203] softirqs last disabled at (19030): [] netlink_release+0xd2/0xcf0 [ 10.978466][ T203] Preemption disabled at: [ 10.978466][ T203] [<0000000000000000>] 0x0 [ 10.978473][ T203] CPU: 1 UID: 0 PID: 203 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.978477][ T203] Tainted: [W]=WARN [ 10.978477][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.978479][ T203] Call Trace: [ 10.978481][ T203] [ 10.978482][ T203] dump_stack_lvl+0x6f/0xa0 [ 10.978489][ T203] __might_resched.cold+0x1fe/0x2c1 [ 10.978493][ T203] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.978497][ T203] ? __kmalloc_noprof+0xdb/0x760 [ 10.978502][ T203] __kmalloc_noprof+0x443/0x760 [ 10.978503][ T203] ? alloc_buf.isra.0+0x4b/0x260 [ 10.978510][ T203] ? do_raw_spin_unlock+0x59/0x250 [ 10.978512][ T203] alloc_buf.isra.0+0x4b/0x260 [ 10.978516][ T203] put_chars+0x1e1/0x2f0 [ 10.978518][ T203] ? __send_to_port+0x420/0x420 [ 10.978520][ T203] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.978523][ T203] ? validate_chain+0x38b/0xc20 [ 10.978529][ T203] hvc_console_print+0x292/0x780 [ 10.978536][ T203] ? hvc_write+0x3a0/0x3a0 [ 10.978539][ T203] ? rcu_is_watching+0x16/0xd0 [ 10.978541][ T203] ? lock_acquire+0x13c/0x160 [ 10.978545][ T203] console_emit_next_record+0x22f/0x4c0 [ 10.978549][ T203] ? devkmsg_read+0x4b0/0x4b0 [ 10.978551][ T203] ? console_flush_one_record+0x106/0x710 [ 10.978555][ T203] ? rcu_is_watching+0x16/0xd0 [ 10.978557][ T203] ? lock_acquire+0x13c/0x160 [ 10.978560][ T203] console_flush_one_record+0x46f/0x710 [ 10.978565][ T203] ? console_emit_next_record+0x4c0/0x4c0 [ 10.978567][ T203] ? __lock_acquire+0x518/0xc20 [ 10.978572][ T203] console_unlock+0xee/0x1f0 [ 10.978575][ T203] ? console_flush_one_record+0x710/0x710 [ 10.978576][ T203] ? rcu_is_watching+0x16/0xd0 [ 10.978578][ T203] ? lock_acquire+0xe0/0x160 [ 10.978582][ T203] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.978584][ T203] ? vprintk_emit+0x320/0x3e0 [ 10.978586][ T203] vprintk_emit+0x37c/0x3e0 [ 10.978589][ T203] ? wake_up_klogd_work_func+0x90/0x90 [ 10.978592][ T203] ? __lock_acquire+0x518/0xc20 [ 10.978596][ T203] _printk+0xc7/0x100 [ 10.978599][ T203] ? snapshot_read.cold+0x21/0x21 [ 10.978602][ T203] ? do_raw_spin_lock+0x131/0x280 [ 10.978605][ T203] ? __rwlock_init+0x150/0x150 [ 10.978609][ T203] ? do_raw_spin_lock+0x131/0x280 [ 10.978611][ T203] do_exit.cold+0x82/0x9c [ 10.978615][ T203] ? exit_notify+0x890/0x890 [ 10.978617][ T203] ? __lock_release.isra.0+0x69/0x1a0 [ 10.978619][ T203] ? rcu_is_watching+0x16/0xd0 [ 10.978623][ T203] do_group_exit+0xb8/0x370 [ 10.978626][ T203] __x64_sys_exit_group+0x3c/0x50 [ 10.978628][ T203] x64_sys_call+0x1567/0x1570 [ 10.978630][ T203] do_syscall_64+0xff/0x530 [ 10.978634][ T203] ? exc_page_fault+0xee/0x100 [ 10.978637][ T203] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.978639][ T203] RIP: 0033:0x7fa243f121b8 [ 10.978641][ T203] Code: Unable to access opcode bytes at 0x7fa243f1218e. [ 10.978643][ T203] RSP: 002b:00007ffce3489608 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.978645][ T203] RAX: ffffffffffffffda RBX: 00007fa244042f88 RCX: 00007fa243f121b8 [ 10.978646][ T203] RDX: 00007fa243c5cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.978647][ T203] RBP: 00007ffce3489660 R08: 0000000000000000 R09: 0000000000000050 [ 10.978648][ T203] R10: 00007ffce3489420 R11: 0000000000000246 R12: 0000000000000001 [ 10.978649][ T203] R13: 0000000000000000 R14: 00007fa244041680 R15: 00007fa244042fa0 [ 10.978656][ T203] [ 11.204430][ T208] ip (208) used greatest stack depth: 23984 bytes left