random: sshd: uninitialized urandom read (32 bytes read) random: sshd: uninitialized urandom read (32 bytes read) random: sshd: uninitialized urandom read (32 bytes read) IPVS: Creating netns size=2536 id=1 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3829 at net/ipv4/af_inet.c:167 inet_sock_destruct+0x598/0x760 net/ipv4/af_inet.c:167 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3829 Comm: blkid Not tainted 4.9.96-g71fce1e #13 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801db307cc0 ffffffff81eb0b69 ffffffff83a484a0 00000000ffffffff 0000000000000000 0000000000000001 00000000000000a7 ffff8801db307d80 ffffffff8141f975 0000000041b58ab3 ffffffff841b8030 ffffffff8141f7b6 Call Trace: <IRQ> [ 26.809896] [<ffffffff81eb0b69>] __dump_stack lib/dump_stack.c:15 [inline] <IRQ> [ 26.809896] [<ffffffff81eb0b69>] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [<ffffffff8141f975>] panic+0x1bf/0x3bc kernel/panic.c:179 [<ffffffff8141fc61>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542 [<ffffffff8113461c>] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585 [<ffffffff8341ec28>] inet_sock_destruct+0x598/0x760 net/ipv4/af_inet.c:167 [<ffffffff836b7439>] l2tp_tunnel_destruct+0x339/0x590 net/l2tp/l2tp_core.c:1329 [<ffffffff8301c095>] __sk_destruct+0x55/0x590 net/core/sock.c:1428 [<ffffffff8128578e>] __rcu_reclaim kernel/rcu/rcu.h:118 [inline] [<ffffffff8128578e>] rcu_do_batch kernel/rcu/tree.c:2789 [inline] [<ffffffff8128578e>] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline] [<ffffffff8128578e>] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline] [<ffffffff8128578e>] rcu_process_callbacks+0x8ae/0x12b0 kernel/rcu/tree.c:3037 [<ffffffff839f9efb>] __do_softirq+0x20b/0x937 kernel/softirq.c:284 [<ffffffff81149037>] invoke_softirq kernel/softirq.c:364 [inline] [<ffffffff81149037>] irq_exit+0x147/0x190 kernel/softirq.c:405 [<ffffffff839f8ae1>] exiting_irq arch/x86/include/asm/apic.h:659 [inline] [<ffffffff839f8ae1>] smp_apic_timer_interrupt+0x81/0xa0 arch/x86/kernel/apic/apic.c:960 [<ffffffff839f4c70>] apic_timer_interrupt+0xa0/0xb0 arch/x86/entry/entry_64.S:648 <EOI> [ 26.937911] [<ffffffff815396ae>] ? qlist_free_all+0x2e/0xc0 mm/kasan/quarantine.c:157 [<ffffffff81539b48>] quarantine_reduce+0x188/0x1d0 mm/kasan/quarantine.c:259 [<ffffffff815387db>] kasan_kmalloc+0x9b/0xe0 mm/kasan/kasan.c:594 [<ffffffff81538dd2>] kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:547 [<ffffffff815346fe>] slab_post_alloc_hook mm/slab.h:417 [inline] [<ffffffff815346fe>] slab_alloc_node mm/slub.c:2715 [inline] [<ffffffff815346fe>] slab_alloc mm/slub.c:2723 [inline] [<ffffffff815346fe>] kmem_cache_alloc+0xbe/0x290 mm/slub.c:2728 [<ffffffff814d25c0>] ptlock_alloc+0x20/0x80 mm/memory.c:4105 [<ffffffff810e5e32>] ptlock_init include/linux/mm.h:1638 [inline] [<ffffffff810e5e32>] pgtable_page_ctor include/linux/mm.h:1672 [inline] [<ffffffff810e5e32>] pte_alloc_one+0x62/0x100 arch/x86/mm/pgtable.c:31 [<ffffffff814cf5f3>] do_fault_around mm/memory.c:3123 [inline] [<ffffffff814cf5f3>] do_read_fault mm/memory.c:3169 [inline] [<ffffffff814cf5f3>] do_fault mm/memory.c:3309 [inline] [<ffffffff814cf5f3>] handle_pte_fault mm/memory.c:3510 [inline] [<ffffffff814cf5f3>] __handle_mm_fault mm/memory.c:3597 [inline] [<ffffffff814cf5f3>] handle_mm_fault+0x22a3/0x28e0 mm/memory.c:3634 [<ffffffff810d99bf>] __do_page_fault+0x5af/0xd50 arch/x86/mm/fault.c:1407 [<ffffffff810da187>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470 [<ffffffff839f4488>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:951 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..