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: 519 Comm: syz-executor.4 Not tainted 5.4.0-rc5-next-20191030 #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:328 [inline]
RIP: 0010:ip_sublist_rcv+0x5c0/0x940 net/ipv4/ip_input.c:578
Code: 0f 85 2f 01 00 00 e8 3f 5d 59 fb 48 8b 85 00 ff ff ff 48 8d b8 e8 0e 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 64 03 00 00 48 8b 85 00 ff ff ff 4c 8b a0 e8 0e
RSP: 0018:ffff8880638d73c8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000e7b5000
RDX: 00000000000001dd RSI: ffffffff861a0711 RDI: 0000000000000ee8
RBP: ffff8880638d74f0 R08: ffff88806bd42540 R09: ffffed1015d06b7d
R10: ffffed1015d06b7c R11: ffff8880ae835be3 R12: 0000000000000001
R13: ffff888066a30000 R14: ffff8880638d7558 R15: ffff8880638d74c8
FS:  00007f5e51dba700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000960004 CR3: 000000009cd40000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ip_list_rcv+0x370/0x4ac net/ipv4/ip_input.c:614
 __netif_receive_skb_list_ptype net/core/dev.c:5193 [inline]
 __netif_receive_skb_list_core+0x5fc/0x9d0 net/core/dev.c:5241
 __netif_receive_skb_list net/core/dev.c:5293 [inline]
 netif_receive_skb_list_internal+0x7eb/0xe50 net/core/dev.c:5388
 gro_normal_list.part.0+0x1e/0xb0 net/core/dev.c:5811
 gro_normal_list net/core/dev.c:5824 [inline]
 gro_normal_one+0x184/0x1d0 net/core/dev.c:5823
 napi_frags_finish net/core/dev.c:5927 [inline]
 napi_gro_frags+0x915/0xd00 net/core/dev.c:6000
 tun_get_user+0x2eba/0x4010 drivers/net/tun.c:1976
 tun_chr_write_iter+0xbd/0x156 drivers/net/tun.c:2022
 call_write_iter include/linux/fs.h:1902 [inline]
 do_iter_readv_writev+0x5f8/0x8f0 fs/read_write.c:693
 do_iter_write fs/read_write.c:970 [inline]
 do_iter_write+0x184/0x610 fs/read_write.c:951
 vfs_writev+0x1b3/0x2f0 fs/read_write.c:1015
 do_writev+0x15b/0x330 fs/read_write.c:1058
 __do_sys_writev fs/read_write.c:1131 [inline]
 __se_sys_writev fs/read_write.c:1128 [inline]
 __x64_sys_writev+0x75/0xb0 fs/read_write.c:1128
 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459e01
Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b7 fb ff c3 48 83 ec 08 e8 fa 2c 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 43 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007f5e51db9ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 0000000000000066 RCX: 0000000000459e01
RDX: 0000000000000001 RSI: 00007f5e51db9c00 RDI: 00000000000000f0
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 00007f5e51dba9d0 R11: 0000000000000293 R12: 00007f5e51dba6d4
R13: 00000000004c936a R14: 00000000004e0c48 R15: 00000000ffffffff
Modules linked in:
---[ end trace ccfc73850d555031 ]---
RIP: 0010:__read_once_size include/linux/compiler.h:199 [inline]
RIP: 0010:NF_HOOK_LIST include/linux/netfilter.h:328 [inline]
RIP: 0010:ip_sublist_rcv+0x5c0/0x940 net/ipv4/ip_input.c:578
Code: 0f 85 2f 01 00 00 e8 3f 5d 59 fb 48 8b 85 00 ff ff ff 48 8d b8 e8 0e 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 64 03 00 00 48 8b 85 00 ff ff ff 4c 8b a0 e8 0e
RSP: 0018:ffff8880638d73c8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000e7b5000
RDX: 00000000000001dd RSI: ffffffff861a0711 RDI: 0000000000000ee8
RBP: ffff8880638d74f0 R08: ffff88806bd42540 R09: ffffed1015d06b7d
R10: ffffed1015d06b7c R11: ffff8880ae835be3 R12: 0000000000000001
R13: ffff888066a30000 R14: ffff8880638d7558 R15: ffff8880638d74c8
FS:  00007f5e51dba700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000960004 CR3: 000000009cd40000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400