kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 20966 Comm: syz-executor.1 Not tainted 5.4.0-rc3+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__read_once_size include/linux/compiler.h:199 [inline]
RIP: 0010:NF_HOOK_LIST include/linux/netfilter.h:331 [inline]
RIP: 0010:ip6_sublist_rcv+0x5c9/0x930 net/ipv6/ip6_input.c:292
Code: 0f 85 78 01 00 00 e8 a6 eb 28 fb 48 8b 85 00 ff ff ff 48 8d b8 10 0f 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 49 03 00 00 48 8b 85 00 ff ff ff 4c 8b a0 10 0f
RSP: 0018:ffff8880ae809850 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff864a31a3
RDX: 00000000000001e2 RSI: ffffffff864a2ffa RDI: 0000000000000f10
RBP: ffff8880ae809980 R08: ffff8880a46b6240 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: 0000000000000001
R13: ffff8880ae809958 R14: ffff8880ae8099e8 R15: ffff8880ae809b10
FS:  00007f8dc1d63700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f223000 CR3: 000000006fdb6000 CR4: 00000000001406f0
DR0: 0000000000000004 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 ipv6_list_rcv+0x373/0x4b0 net/ipv6/ip6_input.c:328
 __netif_receive_skb_list_ptype net/core/dev.c:5274 [inline]
 __netif_receive_skb_list_core+0x5fc/0x9d0 net/core/dev.c:5322
 __netif_receive_skb_list net/core/dev.c:5374 [inline]
 netif_receive_skb_list_internal+0x7eb/0xe60 net/core/dev.c:5469
 gro_normal_list.part.0+0x1e/0xb0 net/core/dev.c:5892
 gro_normal_list net/core/dev.c:6298 [inline]
 napi_complete_done+0x20d/0x520 net/core/dev.c:6285
 tun_napi_poll+0x552/0x820 drivers/net/tun.c:305
 napi_poll net/core/dev.c:6614 [inline]
 net_rx_action+0x508/0x1120 net/core/dev.c:6682
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1082
 </IRQ>
 do_softirq.part.0+0x11a/0x170 kernel/softirq.c:337
 do_softirq kernel/softirq.c:329 [inline]
 __local_bh_enable_ip+0x211/0x270 kernel/softirq.c:189
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 tun_get_user+0x24cb/0x3fa0 drivers/net/tun.c:1991
 tun_chr_write_iter+0xbd/0x156 drivers/net/tun.c:2022
 call_write_iter include/linux/fs.h:1895 [inline]
 new_sync_write+0x4d3/0x770 fs/read_write.c:483
 __vfs_write+0xe1/0x110 fs/read_write.c:496
 vfs_write+0x268/0x5d0 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+0xfa/0x760 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459f49
Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8dc1d62c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459f49
RDX: 000000000000fdef RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8dc1d636d4
R13: 00000000004ca652 R14: 00000000004e27d8 R15: 00000000ffffffff
Modules linked in:
---[ end trace a86e4b0c7c1b9d40 ]---
RIP: 0010:__read_once_size include/linux/compiler.h:199 [inline]
RIP: 0010:NF_HOOK_LIST include/linux/netfilter.h:331 [inline]
RIP: 0010:ip6_sublist_rcv+0x5c9/0x930 net/ipv6/ip6_input.c:292
Code: 0f 85 78 01 00 00 e8 a6 eb 28 fb 48 8b 85 00 ff ff ff 48 8d b8 10 0f 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 49 03 00 00 48 8b 85 00 ff ff ff 4c 8b a0 10 0f
RSP: 0018:ffff8880ae809850 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff864a31a3
RDX: 00000000000001e2 RSI: ffffffff864a2ffa RDI: 0000000000000f10
RBP: ffff8880ae809980 R08: ffff8880a46b6240 R09: ffffed1015d06b75
R10: ffffed1015d06b74 R11: ffff8880ae835ba3 R12: 0000000000000001
R13: ffff8880ae809958 R14: ffff8880ae8099e8 R15: ffff8880ae809b10
FS:  00007f8dc1d63700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f223000 CR3: 000000006fdb6000 CR4: 00000000001406f0
DR0: 0000000000000004 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600