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kernel BUG at kernel/time/timer.c:958!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 7485 Comm: syz-executor4 Not tainted 4.16.0-rc2+ #240
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__mod_timer kernel/time/timer.c:958 [inline]
RIP: 0010:mod_timer+0x7d6/0x13c0 kernel/time/timer.c:1102
RSP: 0018:ffff8801ab79e6c0 EFLAGS: 00010212
RAX: 0000000000010000 RBX: ffff8801c34fb950 RCX: ffffffff8160b426
RDX: 000000000000025c RSI: ffffc90001909000 RDI: ffff8801c34fb968
RBP: ffff8801ab79e960 R08: 0000000000000000 R09: 1ffff100356f3d05
R10: ffff8801ab79e7f0 R11: 0000000000000002 R12: dffffc0000000000
R13: ffff8801ab79e938 R14: 00000000fffc237f R15: ffff8801c86e8ec8
FS:  00007f5f9ab43700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 00000001bbcc1004 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 led_tg+0x1db/0x2e0 net/netfilter/xt_LED.c:75
 arpt_do_table+0xf3a/0x16a0 net/ipv4/netfilter/arp_tables.c:264
 arptable_filter_hook+0x65/0x80 net/ipv4/netfilter/arptable_filter.c:36
 nf_hook_entry_hookfn include/linux/netfilter.h:120 [inline]
 nf_hook_slow+0xba/0x1a0 net/netfilter/core.c:483
 nf_hook include/linux/netfilter.h:243 [inline]
 NF_HOOK include/linux/netfilter.h:286 [inline]
 arp_rcv+0x787/0x9d0 net/ipv4/arp.c:965
 __netif_receive_skb_core+0x1a41/0x3460 net/core/dev.c:4554
 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4619
 netif_receive_skb_internal+0x10b/0x670 net/core/dev.c:4693
 netif_receive_skb+0xae/0x390 net/core/dev.c:4717
 tun_rx_batched.isra.52+0x5ee/0x870 drivers/net/tun.c:1556
 tun_get_user+0x25a5/0x3810 drivers/net/tun.c:1957
 tun_chr_write_iter+0xbd/0x1c0 drivers/net/tun.c:1985
 call_write_iter include/linux/fs.h:1781 [inline]
 do_iter_readv_writev+0x55c/0x830 fs/read_write.c:653
 do_iter_write+0x154/0x540 fs/read_write.c:932
 vfs_writev+0x18a/0x340 fs/read_write.c:977
 do_writev+0xfc/0x2a0 fs/read_write.c:1012
 SYSC_writev fs/read_write.c:1085 [inline]
 SyS_writev+0x27/0x30 fs/read_write.c:1082
 do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x453cc1
RSP: 002b:00007f5f9ab42ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 000000000000002a RCX: 0000000000453cc1
RDX: 0000000000000001 RSI: 00007f5f9ab42bf0 RDI: 0000000000000012
RBP: 00000000201bbfd2 R08: 0000000000000012 R09: 0000000000000000
R10: 000000000000002a R11: 0000000000000293 R12: 00000000ffffffff
R13: 0000000000000612 R14: 00000000006f9250 R15: 0000000000000000
Code: 85 2a 0b 00 00 4d 8b 3c 24 4d 85 ff 75 9f 4c 8b bd 60 fd ff ff e8 bb 57 10 00 65 ff 0d 34 39 a1 7e e9 d9 fc ff ff e8 aa 57 10 00 <0f> 0b e8 a3 57 10 00 e9 14 fb ff ff e8 99 57 10 00 4c 89 bd 70 
RIP: __mod_timer kernel/time/timer.c:958 [inline] RSP: ffff8801ab79e6c0
RIP: mod_timer+0x7d6/0x13c0 kernel/time/timer.c:1102 RSP: ffff8801ab79e6c0
---[ end trace 3cb0cd12ebb3d2fd ]---