random: sshd: uninitialized urandom read (32 bytes read)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3819 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: 0 PID: 3819 Comm: syz-executor013 Not tainted 4.9.123-g8dd3fc2 #79
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801db207cc0 ffffffff81eb9689 ffffffff83c48ac0 00000000ffffffff
 0000000000000000 0000000000000000 00000000000000a7 ffff8801db207d80
 ffffffff81423f75 0000000041b58ab3 ffffffff843bb878 ffffffff81423db6
Call Trace:
 <IRQ> [   24.328393]  [<ffffffff81eb9689>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ> [   24.328393]  [<ffffffff81eb9689>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81423f75>] panic+0x1bf/0x3bc kernel/panic.c:179
 [<ffffffff81424261>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542
 [<ffffffff811383bc>] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585
 [<ffffffff8342c778>] inet_sock_destruct+0x598/0x760 net/ipv4/af_inet.c:167
 [<ffffffff836c5ab9>] l2tp_tunnel_destruct+0x339/0x590 net/l2tp/l2tp_core.c:1329
 [<ffffffff830280f5>] __sk_destruct+0x55/0x590 net/core/sock.c:1428
 [<ffffffff81289aae>] __rcu_reclaim kernel/rcu/rcu.h:118 [inline]
 [<ffffffff81289aae>] rcu_do_batch kernel/rcu/tree.c:2789 [inline]
 [<ffffffff81289aae>] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline]
 [<ffffffff81289aae>] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline]
 [<ffffffff81289aae>] rcu_process_callbacks+0x8ae/0x12b0 kernel/rcu/tree.c:3037
 [<ffffffff83a08880>] __do_softirq+0x210/0x940 kernel/softirq.c:288
 [<ffffffff8114d554>] invoke_softirq kernel/softirq.c:368 [inline]
 [<ffffffff8114d554>] irq_exit+0x114/0x150 kernel/softirq.c:409
 [<ffffffff83a07461>] exiting_irq arch/x86/include/asm/apic.h:669 [inline]
 [<ffffffff83a07461>] smp_apic_timer_interrupt+0x81/0xa0 arch/x86/kernel/apic/apic.c:962
 [<ffffffff83a035f0>] apic_timer_interrupt+0xa0/0xb0 arch/x86/entry/entry_64.S:648
 <EOI> [   24.450252]  [<ffffffff81232cb5>] ? arch_local_save_flags arch/x86/include/asm/paravirt.h:763 [inline]
 <EOI> [   24.450252]  [<ffffffff81232cb5>] ? arch_local_irq_save arch/x86/include/asm/paravirt.h:785 [inline]
 <EOI> [   24.450252]  [<ffffffff81232cb5>] ? lock_is_held+0x55/0x140 kernel/locking/lockdep.c:3790
 [<ffffffff811bd877>] ___might_sleep+0x1c7/0x260 kernel/sched/core.c:7954
 [<ffffffff811bd9a5>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7945
 [<ffffffff814f8948>] anon_vma_prepare+0x58/0x3d0 mm/rmap.c:175
 [<ffffffff814c4783>] wp_page_copy+0x103/0x1560 mm/memory.c:2170
 [<ffffffff814c7d02>] do_wp_page+0x252/0x1f70 mm/memory.c:2448
 [<ffffffff814d36a3>] handle_pte_fault mm/memory.c:3540 [inline]
 [<ffffffff814d36a3>] __handle_mm_fault mm/memory.c:3612 [inline]
 [<ffffffff814d36a3>] handle_mm_fault+0x13c3/0x2a00 mm/memory.c:3649
 [<ffffffff810dccff>] __do_page_fault+0x5af/0xd50 arch/x86/mm/fault.c:1408
 [<ffffffff810dd4c7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1471
 [<ffffffff83a02e08>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:951
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..