Unable to handle kernel paging request at virtual address 60006b6e5000
Mem abort info:
  ESR = 0x96000004
  Exception class = DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
Data abort info:
  ISV = 0, ISS = 0x00000004
  CM = 0, WnR = 0
user pgtable: 4k pages, 48-bit VAs, pgdp = 000000001bd90c25
[000060006b6e5000] pgd=0000000000000000
Internal error: Oops: 96000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 2308 Comm: syz-executor0 Not tainted 4.16.0-00006-g6eee13dfb529 #1
Hardware name: linux,dummy-virt (DT)
pstate: 80400005 (Nzcv daif +PAN -UAO)
pc : __percpu_add arch/arm64/include/asm/percpu.h:102 [inline]
pc : dev_put include/linux/netdevice.h:3395 [inline]
pc : in_dev_finish_destroy+0xcc/0x230 net/ipv4/devinet.c:231
lr : dev_put include/linux/netdevice.h:3395 [inline]
lr : in_dev_finish_destroy+0xa4/0x230 net/ipv4/devinet.c:231
sp : ffff800075f77ee0
x29: ffff800075f77ee0 x28: ffff800022c1dd38 
x27: ffff20000a917460 x26: ffff20000a917000 
x25: 000000000000000a x24: ffff20000a919000 
x23: ffff800075f78000 x22: ffff200009b84da8 
x21: 1ffff00004583ba8 x20: ffff800034394400 
x19: ffff800022c1db80 x18: 0000000000008f46 
x17: 0000000000000000 x16: ffff2000082951f0 
x15: 0000000000000003 x14: 00000000f2000000 
x13: ffff20000a9fb560 x12: 0000000000000002 
x11: 0000000000001488 x10: 0000000000000004 
x9 : 0000000000000000 x8 : 0000000000000003 
x7 : 0000000000000000 x6 : 0000000000000000 
x5 : 0000000000000000 x4 : 1fffe4000178908c 
x3 : 1fffe4000178908c x2 : ffffffffffffffff 
x1 : 000060006b6e5000 x0 : 000060006b6e5000 
Process syz-executor0 (pid: 2308, stack limit = 0x000000009d0c544e)
Call trace:
 __percpu_add arch/arm64/include/asm/percpu.h:102 [inline]
 dev_put include/linux/netdevice.h:3395 [inline]
 in_dev_finish_destroy+0xcc/0x230 net/ipv4/devinet.c:231
 in_dev_put include/linux/inetdevice.h:248 [inline]
 in_dev_rcu_put+0x34/0x48 net/ipv4/devinet.c:287
 __rcu_reclaim kernel/rcu/rcu.h:172 [inline]
 rcu_do_batch kernel/rcu/tree.c:2674 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2933 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2900 [inline]
 rcu_process_callbacks+0x350/0x988 kernel/rcu/tree.c:2917
 __do_softirq+0x318/0x734 kernel/softirq.c:285
 do_softirq_own_stack include/linux/interrupt.h:499 [inline]
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x264/0x2d0 kernel/softirq.c:405
 __handle_domain_irq+0xd8/0x1a0 kernel/irq/irqdesc.c:646
 gic_handle_irq+0x9c/0x1fc drivers/irqchip/irq-gic.c:389
 el1_irq+0xb4/0x130 arch/arm64/kernel/entry.S:602
 check_kcov_mode+0x10/0x78 kernel/kcov.c:60
 __sanitizer_cov_trace_pc+0x24/0x98 kernel/kcov.c:101
 task_stack_page include/linux/sched/task_stack.h:21 [inline]
 on_task_stack arch/arm64/include/asm/stacktrace.h:55 [inline]
 on_accessible_stack arch/arm64/include/asm/stacktrace.h:81 [inline]
 unwind_frame+0xa4/0x2a8 arch/arm64/kernel/stacktrace.c:53
 walk_stackframe+0x34/0x60 arch/arm64/kernel/stacktrace.c:97
 return_address+0xa8/0x100 arch/arm64/kernel/return_address.c:50
 get_lock_parent_ip include/linux/ftrace.h:706 [inline]
 preempt_latency_start kernel/sched/core.c:3140 [inline]
 preempt_count_add+0x270/0x3c8 kernel/sched/core.c:3165
 __raw_spin_lock include/linux/spinlock_api_smp.h:141 [inline]
 _raw_spin_lock+0x1c/0x50 kernel/locking/spinlock.c:144
 spin_lock include/linux/spinlock.h:310 [inline]
 proc_entry_rundown+0xfc/0x1a8 fs/proc/inode.c:186
 remove_proc_subtree+0x13c/0x2c0 fs/proc/generic.c:607
 proc_remove+0x48/0x68 fs/proc/generic.c:634
 remove_cache_proc_entries net/sunrpc/cache.c:1608 [inline]
 cache_unregister_net+0x44/0x90 net/sunrpc/cache.c:1672
 ip_map_cache_destroy+0x178/0x260 net/sunrpc/svcauth_unix.c:906
 sunrpc_exit_net+0x138/0x260 net/sunrpc/sunrpc_syms.c:72
 ops_exit_list.isra.2+0x84/0x140 net/core/net_namespace.c:142
 setup_net+0x2d4/0x508 net/core/net_namespace.c:316
 copy_net_ns+0x148/0x3a0 net/core/net_namespace.c:426
 create_new_namespaces+0x318/0x640 kernel/nsproxy.c:107
 copy_namespaces+0x270/0x2e8 kernel/nsproxy.c:165
 copy_process.isra.6.part.7+0x18a0/0x5318 kernel/fork.c:1801
 copy_process kernel/fork.c:1611 [inline]
 _do_fork+0x178/0x9e0 kernel/fork.c:2092
 SYSC_clone kernel/fork.c:2199 [inline]
 SyS_clone+0x48/0x60 kernel/fork.c:2177
 el0_svc_naked+0x30/0x34
Code: d538d081 f9425a80 92800002 8b010000 (885f7c04) 
---[ end trace 4fa457c0f1dd4019 ]---