[ 9.420429][ T196] ip (196) used greatest stack depth: 24368 bytes left [ 9.420443][ T196] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.420445][ T196] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 196, name: ip [ 9.420447][ T196] preempt_count: 2, expected: 0 [ 9.420448][ T196] RCU nest depth: 0, expected: 0 [ 9.420449][ T196] locks held by ip/196: 5, last CPU#2: [ 9.420450][ T196] #0: ffffffff908167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.420462][ T196] #1: ffffffff9097ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.420467][ T196] #2: ffffffff9097de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.420471][ T196] #3: ffffffff9089d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.420475][ T196] #4: ffffffff9089d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.420479][ T196] irq event stamp: 41580 [ 9.420479][ T196] hardirqs last enabled at (41579): [] __down_trylock_console_sem+0x86/0xa0 [ 9.420483][ T196] hardirqs last disabled at (41580): [] console_emit_next_record+0x3d4/0x4c0 [ 9.420485][ T196] softirqs last enabled at (40292): [] netlink_release+0x17b/0xcf0 [ 9.420489][ T196] softirqs last disabled at (40290): [] netlink_release+0xd2/0xcf0 [ 9.420491][ T196] Preemption disabled at: [ 9.420492][ T196] [<0000000000000000>] 0x0 [ 9.420498][ T196] CPU: 2 UID: 0 PID: 196 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.420501][ T196] Tainted: [W]=WARN [ 9.420502][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.420503][ T196] Call Trace: [ 9.420505][ T196] [ 9.420507][ T196] dump_stack_lvl+0x6f/0xa0 [ 9.420513][ T196] __might_resched.cold+0x1fe/0x2c1 [ 9.420517][ T196] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.420521][ T196] ? __kmalloc_noprof+0xdb/0x760 [ 9.420526][ T196] __kmalloc_noprof+0x443/0x760 [ 9.420528][ T196] ? alloc_buf.isra.0+0x4b/0x260 [ 9.420534][ T196] ? do_raw_spin_unlock+0x59/0x250 [ 9.420537][ T196] alloc_buf.isra.0+0x4b/0x260 [ 9.420540][ T196] put_chars+0x1e1/0x2f0 [ 9.420543][ T196] ? __send_to_port+0x420/0x420 [ 9.420544][ T196] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.420547][ T196] ? validate_chain+0x38b/0xc20 [ 9.420552][ T196] hvc_console_print+0x292/0x780 [ 9.420560][ T196] ? hvc_write+0x3a0/0x3a0 [ 9.420563][ T196] ? rcu_is_watching+0x16/0xd0 [ 9.420564][ T196] ? lock_acquire+0x13c/0x160 [ 9.420568][ T196] console_emit_next_record+0x22f/0x4c0 [ 9.420572][ T196] ? devkmsg_read+0x4b0/0x4b0 [ 9.420574][ T196] ? console_flush_one_record+0x106/0x710 [ 9.420577][ T196] ? rcu_is_watching+0x16/0xd0 [ 9.420579][ T196] ? lock_acquire+0x13c/0x160 [ 9.420583][ T196] console_flush_one_record+0x46f/0x710 [ 9.420587][ T196] ? console_emit_next_record+0x4c0/0x4c0 [ 9.420589][ T196] ? __lock_acquire+0x518/0xc20 [ 9.420594][ T196] console_unlock+0xee/0x1f0 [ 9.420597][ T196] ? console_flush_one_record+0x710/0x710 [ 9.420599][ T196] ? rcu_is_watching+0x16/0xd0 [ 9.420601][ T196] ? lock_acquire+0xe0/0x160 [ 9.420604][ T196] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.420606][ T196] ? vprintk_emit+0x320/0x3e0 [ 9.420609][ T196] vprintk_emit+0x37c/0x3e0 [ 9.420612][ T196] ? wake_up_klogd_work_func+0x90/0x90 [ 9.420615][ T196] ? __lock_acquire+0x518/0xc20 [ 9.420618][ T196] _printk+0xc7/0x100 [ 9.420622][ T196] ? snapshot_read.cold+0x21/0x21 [ 9.420625][ T196] ? do_raw_spin_lock+0x131/0x280 [ 9.420627][ T196] ? __rwlock_init+0x150/0x150 [ 9.420631][ T196] ? do_raw_spin_lock+0x131/0x280 [ 9.420634][ T196] do_exit.cold+0x82/0x9c [ 9.420638][ T196] ? exit_notify+0x890/0x890 [ 9.420639][ T196] ? __lock_release.isra.0+0x69/0x1a0 [ 9.420642][ T196] ? rcu_is_watching+0x16/0xd0 [ 9.420645][ T196] do_group_exit+0xb8/0x370 [ 9.420648][ T196] __x64_sys_exit_group+0x3c/0x50 [ 9.420650][ T196] x64_sys_call+0x1567/0x1570 [ 9.420652][ T196] do_syscall_64+0xff/0x530 [ 9.420656][ T196] ? exc_page_fault+0xee/0x100 [ 9.420659][ T196] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.420661][ T196] RIP: 0033:0x7fda1d7ac1b8 [ 9.420663][ T196] Code: Unable to access opcode bytes at 0x7fda1d7ac18e. [ 9.420664][ T196] RSP: 002b:00007ffdabd795a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.420666][ T196] RAX: ffffffffffffffda RBX: 00007fda1d8dcf88 RCX: 00007fda1d7ac1b8 [ 9.420668][ T196] RDX: 00007fda1d4f6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.420669][ T196] RBP: 00007ffdabd79600 R08: 0000000000000000 R09: 0000000000008010 [ 9.420670][ T196] R10: 00007ffdabd793c0 R11: 0000000000000246 R12: 0000000000000001 [ 9.420670][ T196] R13: 0000000000000000 R14: 00007fda1d8db680 R15: 00007fda1d8dcfa0 [ 9.420677][ T196] [ 9.978496][ T213] ip (213) used greatest stack depth: 24104 bytes left