[ 11.878597][ T228] ip (228) used greatest stack depth: 23872 bytes left [ 11.878613][ T228] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.878615][ T228] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 228, name: ip [ 11.878616][ T228] preempt_count: 2, expected: 0 [ 11.878617][ T228] RCU nest depth: 0, expected: 0 [ 11.878618][ T228] locks held by ip/228: 5, last CPU#3: [ 11.878620][ T228] #0: ffffffff920167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.878631][ T228] #1: ffffffff9217ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.878636][ T228] #2: ffffffff9217de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.878642][ T228] #3: ffffffff9209d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.878646][ T228] #4: ffffffff9209d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.878650][ T228] irq event stamp: 47964 [ 11.878651][ T228] hardirqs last enabled at (47963): [] __down_trylock_console_sem+0x86/0xa0 [ 11.878654][ T228] hardirqs last disabled at (47964): [] console_emit_next_record+0x3d4/0x4c0 [ 11.878656][ T228] softirqs last enabled at (46676): [] netlink_release+0x17b/0xcf0 [ 11.878660][ T228] softirqs last disabled at (46674): [] netlink_release+0xd2/0xcf0 [ 11.878663][ T228] Preemption disabled at: [ 11.878663][ T228] [<0000000000000000>] 0x0 [ 11.878670][ T228] CPU: 3 UID: 0 PID: 228 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.878674][ T228] Tainted: [W]=WARN [ 11.878675][ T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.878677][ T228] Call Trace: [ 11.878678][ T228] [ 11.878680][ T228] dump_stack_lvl+0x6f/0xa0 [ 11.878686][ T228] __might_resched.cold+0x1fe/0x2c1 [ 11.878691][ T228] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.878695][ T228] ? __kmalloc_noprof+0xdb/0x760 [ 11.878699][ T228] __kmalloc_noprof+0x443/0x760 [ 11.878701][ T228] ? alloc_buf.isra.0+0x4b/0x260 [ 11.878707][ T228] ? do_raw_spin_unlock+0x59/0x250 [ 11.878710][ T228] alloc_buf.isra.0+0x4b/0x260 [ 11.878714][ T228] put_chars+0x1e1/0x2f0 [ 11.878716][ T228] ? __send_to_port+0x420/0x420 [ 11.878717][ T228] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.878721][ T228] ? validate_chain+0x38b/0xc20 [ 11.878726][ T228] hvc_console_print+0x292/0x780 [ 11.878734][ T228] ? hvc_write+0x3a0/0x3a0 [ 11.878736][ T228] ? rcu_is_watching+0x16/0xd0 [ 11.878738][ T228] ? lock_acquire+0x13c/0x160 [ 11.878742][ T228] console_emit_next_record+0x22f/0x4c0 [ 11.878746][ T228] ? devkmsg_read+0x4b0/0x4b0 [ 11.878748][ T228] ? console_flush_one_record+0x106/0x710 [ 11.878751][ T228] ? rcu_is_watching+0x16/0xd0 [ 11.878753][ T228] ? lock_acquire+0x13c/0x160 [ 11.878757][ T228] console_flush_one_record+0x46f/0x710 [ 11.878761][ T228] ? console_emit_next_record+0x4c0/0x4c0 [ 11.878763][ T228] ? __lock_acquire+0x518/0xc20 [ 11.878768][ T228] console_unlock+0xee/0x1f0 [ 11.878770][ T228] ? console_flush_one_record+0x710/0x710 [ 11.878772][ T228] ? rcu_is_watching+0x16/0xd0 [ 11.878774][ T228] ? lock_acquire+0xe0/0x160 [ 11.878778][ T228] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.878779][ T228] ? vprintk_emit+0x320/0x3e0 [ 11.878782][ T228] vprintk_emit+0x37c/0x3e0 [ 11.878785][ T228] ? wake_up_klogd_work_func+0x90/0x90 [ 11.878788][ T228] ? __lock_acquire+0x518/0xc20 [ 11.878792][ T228] _printk+0xc7/0x100 [ 11.878795][ T228] ? snapshot_read.cold+0x21/0x21 [ 11.878798][ T228] ? do_raw_spin_lock+0x131/0x280 [ 11.878800][ T228] ? __rwlock_init+0x150/0x150 [ 11.878804][ T228] ? do_raw_spin_lock+0x131/0x280 [ 11.878807][ T228] do_exit.cold+0x82/0x9c [ 11.878811][ T228] ? exit_notify+0x890/0x890 [ 11.878812][ T228] ? __lock_release.isra.0+0x69/0x1a0 [ 11.878815][ T228] ? rcu_is_watching+0x16/0xd0 [ 11.878818][ T228] do_group_exit+0xb8/0x370 [ 11.878821][ T228] __x64_sys_exit_group+0x3c/0x50 [ 11.878823][ T228] x64_sys_call+0x1567/0x1570 [ 11.878825][ T228] do_syscall_64+0xff/0x530 [ 11.878829][ T228] ? exc_page_fault+0xee/0x100 [ 11.878832][ T228] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.878834][ T228] RIP: 0033:0x7fc4753cf1b8 [ 11.878836][ T228] Code: Unable to access opcode bytes at 0x7fc4753cf18e. [ 11.878837][ T228] RSP: 002b:00007fffbc9dfc88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.878840][ T228] RAX: ffffffffffffffda RBX: 00007fc4754fff88 RCX: 00007fc4753cf1b8 [ 11.878841][ T228] RDX: 00007fc475119fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.878842][ T228] RBP: 00007fffbc9dfce0 R08: 0000000000000000 R09: 0000000000000000 [ 11.878843][ T228] R10: 00007fffbc9dfaa0 R11: 0000000000000246 R12: 0000000000000001 [ 11.878844][ T228] R13: 0000000000000000 R14: 00007fc4754fe680 R15: 00007fc4754fffa0 [ 11.878850][ T228] [ 11.996449][ T233] ip (233) used greatest stack depth: 23664 bytes left [ 12.147770][ T241] ip (241) used greatest stack depth: 23480 bytes left