[ 11.256737][ T195] ip (195) used greatest stack depth: 24472 bytes left [ 11.256756][ T195] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.256758][ T195] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 195, name: ip [ 11.256760][ T195] preempt_count: 2, expected: 0 [ 11.256761][ T195] RCU nest depth: 0, expected: 0 [ 11.256762][ T195] locks held by ip/195: 5, last CPU#2: [ 11.256764][ T195] #0: ffffffff964167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.256775][ T195] #1: ffffffff9657ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.256780][ T195] #2: ffffffff9657de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.256784][ T195] #3: ffffffff9649d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.256788][ T195] #4: ffffffff9649d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.256792][ T195] irq event stamp: 26496 [ 11.256793][ T195] hardirqs last enabled at (26495): [] __down_trylock_console_sem+0x86/0xa0 [ 11.256796][ T195] hardirqs last disabled at (26496): [] console_emit_next_record+0x3d4/0x4c0 [ 11.256798][ T195] softirqs last enabled at (24906): [] netlink_release+0x17b/0xcf0 [ 11.256803][ T195] softirqs last disabled at (24904): [] netlink_release+0xd2/0xcf0 [ 11.256805][ T195] Preemption disabled at: [ 11.256806][ T195] [<0000000000000000>] 0x0 [ 11.256813][ T195] CPU: 2 UID: 0 PID: 195 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.256816][ T195] Tainted: [W]=WARN [ 11.256817][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.256819][ T195] Call Trace: [ 11.256820][ T195] [ 11.256822][ T195] dump_stack_lvl+0x6f/0xa0 [ 11.256829][ T195] __might_resched.cold+0x1fe/0x2c1 [ 11.256833][ T195] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.256837][ T195] ? __kmalloc_noprof+0xdb/0x760 [ 11.256841][ T195] __kmalloc_noprof+0x443/0x760 [ 11.256843][ T195] ? alloc_buf.isra.0+0x4b/0x260 [ 11.256850][ T195] ? do_raw_spin_unlock+0x59/0x250 [ 11.256853][ T195] alloc_buf.isra.0+0x4b/0x260 [ 11.256856][ T195] put_chars+0x1e1/0x2f0 [ 11.256859][ T195] ? __send_to_port+0x420/0x420 [ 11.256860][ T195] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.256864][ T195] ? validate_chain+0x38b/0xc20 [ 11.256869][ T195] hvc_console_print+0x292/0x780 [ 11.256877][ T195] ? hvc_write+0x3a0/0x3a0 [ 11.256880][ T195] ? rcu_is_watching+0x16/0xd0 [ 11.256882][ T195] ? lock_acquire+0x13c/0x160 [ 11.256893][ T195] console_emit_next_record+0x22f/0x4c0 [ 11.256897][ T195] ? devkmsg_read+0x4b0/0x4b0 [ 11.256899][ T195] ? console_flush_one_record+0x106/0x710 [ 11.256902][ T195] ? rcu_is_watching+0x16/0xd0 [ 11.256904][ T195] ? lock_acquire+0x13c/0x160 [ 11.256908][ T195] console_flush_one_record+0x46f/0x710 [ 11.256912][ T195] ? console_emit_next_record+0x4c0/0x4c0 [ 11.256914][ T195] ? __lock_acquire+0x518/0xc20 [ 11.256919][ T195] console_unlock+0xee/0x1f0 [ 11.256922][ T195] ? console_flush_one_record+0x710/0x710 [ 11.256924][ T195] ? rcu_is_watching+0x16/0xd0 [ 11.256926][ T195] ? lock_acquire+0xe0/0x160 [ 11.256929][ T195] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.256931][ T195] ? vprintk_emit+0x320/0x3e0 [ 11.256934][ T195] vprintk_emit+0x37c/0x3e0 [ 11.256937][ T195] ? wake_up_klogd_work_func+0x90/0x90 [ 11.256940][ T195] ? __lock_acquire+0x518/0xc20 [ 11.256944][ T195] _printk+0xc7/0x100 [ 11.256947][ T195] ? snapshot_read.cold+0x21/0x21 [ 11.256950][ T195] ? do_raw_spin_lock+0x131/0x280 [ 11.256953][ T195] ? __rwlock_init+0x150/0x150 [ 11.256957][ T195] ? do_raw_spin_lock+0x131/0x280 [ 11.256960][ T195] do_exit.cold+0x82/0x9c [ 11.256963][ T195] ? exit_notify+0x890/0x890 [ 11.256965][ T195] ? __lock_release.isra.0+0x69/0x1a0 [ 11.256968][ T195] ? rcu_is_watching+0x16/0xd0 [ 11.256971][ T195] do_group_exit+0xb8/0x370 [ 11.256974][ T195] __x64_sys_exit_group+0x3c/0x50 [ 11.256976][ T195] x64_sys_call+0x1567/0x1570 [ 11.256978][ T195] do_syscall_64+0xff/0x530 [ 11.256982][ T195] ? exc_page_fault+0xee/0x100 [ 11.256985][ T195] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.256987][ T195] RIP: 0033:0x7f7f797fc1b8 [ 11.256989][ T195] Code: Unable to access opcode bytes at 0x7f7f797fc18e. [ 11.256990][ T195] RSP: 002b:00007ffd8c37b098 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.256993][ T195] RAX: ffffffffffffffda RBX: 00007f7f7992cf88 RCX: 00007f7f797fc1b8 [ 11.256994][ T195] RDX: 00007f7f79546fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.256995][ T195] RBP: 00007ffd8c37b0f0 R08: 0000000000000000 R09: 0000000000000050 [ 11.256996][ T195] R10: 00007ffd8c37aeb0 R11: 0000000000000246 R12: 0000000000000001 [ 11.256997][ T195] R13: 0000000000000000 R14: 00007f7f7992b680 R15: 00007f7f7992cfa0 [ 11.257003][ T195] [ 11.363051][ T196] ip (196) used greatest stack depth: 24192 bytes left