BUG: unable to handle page fault for address: ffff862069000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 0 P4D 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 29542 Comm: syz-executor.0 Not tainted 5.2.0-rc2+ #13
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:0xffff862069000000
Code: Bad RIP value.
RSP: 0018:ffff8880a7f97630 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8880a0cffabe RCX: ffffc9000f65d000
RDX: 1ffff1101419ff5c RSI: ffffffff861c68c5 RDI: ffff88809983d5c0
RBP: ffff8880a7f97660 R08: ffff8880659da5c0 R09: ffffed1015d26be8
R10: ffffed1015d26be7 R11: ffff8880ae935f3b R12: ffff88809983d5c0
R13: 0000000000000001 R14: ffff88809983d618 R15: 0000000000000000
FS:  00007fbb00d2f700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff862068ffffd6 CR3: 000000006e75f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 NF_HOOK include/linux/netfilter.h:305 [inline]
 NF_HOOK include/linux/netfilter.h:299 [inline]
 ipv6_rcv+0x10e/0x420 net/ipv6/ip6_input.c:276
 __netif_receive_skb_one_core+0x113/0x1a0 net/core/dev.c:4985
 __netif_receive_skb+0x2c/0x1d0 net/core/dev.c:5099
 netif_receive_skb_internal+0x108/0x390 net/core/dev.c:5189
 netif_receive_skb+0x6e/0x5a0 net/core/dev.c:5248
 tun_rx_batched.isra.0+0x4f7/0x840 drivers/net/tun.c:1571
 tun_get_user+0x1482/0x3ff0 drivers/net/tun.c:2008
 tun_chr_write_iter+0xbd/0x156 drivers/net/tun.c:2037
 call_write_iter include/linux/fs.h:1872 [inline]
 new_sync_write+0x4d3/0x770 fs/read_write.c:483
 __vfs_write+0xe1/0x110 fs/read_write.c:496
 vfs_write+0x20c/0x580 fs/read_write.c:558
 ksys_write+0x14f/0x290 fs/read_write.c:611
 __do_sys_write fs/read_write.c:623 [inline]
 __se_sys_write fs/read_write.c:620 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:620
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459279
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fbb00d2ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459279
RDX: 00000000000090ad RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbb00d2f6d4
R13: 00000000004c8ed3 R14: 00000000004dfb98 R15: 00000000ffffffff
Modules linked in:
CR2: ffff862069000000
---[ end trace 9ccbddbbc2593942 ]---
RIP: 0010:0xffff862069000000
Code: Bad RIP value.
RSP: 0018:ffff8880a7f97630 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8880a0cffabe RCX: ffffc9000f65d000
RDX: 1ffff1101419ff5c RSI: ffffffff861c68c5 RDI: ffff88809983d5c0
RBP: ffff8880a7f97660 R08: ffff8880659da5c0 R09: ffffed1015d26be8
R10: ffffed1015d26be7 R11: ffff8880ae935f3b R12: ffff88809983d5c0
R13: 0000000000000001 R14: ffff88809983d618 R15: 0000000000000000
FS:  00007fbb00d2f700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff862068ffffd6 CR3: 000000006e75f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600