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: 25965 Comm: syz-executor1 Not tainted 4.19.0-rc4-next-20180920+ #76
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:dev_net include/linux/netdevice.h:2164 [inline]
RIP: 0010:__skb_flow_dissect+0x3b5/0x5980 net/core/flow_dissector.c:758
Code: 48 c1 ea 03 80 3c 02 00 0f 85 a6 4d 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 77 10 49 8d be 80 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5c 4d 00 00 4d 8b b6 80 05 00 00 48 b8 00 00 00
RSP: 0018:ffff8801b9e16d90 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8801b9e17160 RCX: ffffc90003459000
RDX: 00000000000000b0 RSI: ffffffff861237d8 RDI: 0000000000000580
RBP: ffff8801b9e174f0 R08: ffff880175fec3c0 R09: ffffed003b585b57
R10: ffffed003b585b57 R11: ffff8801dac2dabb R12: ffffffff8a5208a4
R13: ffffffff8a5208a6 R14: 0000000000000000 R15: ffff8801d59df800
FS:  00007fc905769700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 0000000196bff000 CR4: 00000000001406f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 skb_flow_dissect_flow_keys_basic include/linux/skbuff.h:1245 [inline]
 skb_get_poff+0x9b/0x1c0 net/core/flow_dissector.c:1486
 ____bpf_skb_get_pay_offset net/core/filter.c:126 [inline]
 bpf_skb_get_pay_offset+0x15/0x20 net/core/filter.c:124
Modules linked in:
---[ end trace 53b9d892789f1f4e ]---
RIP: 0010:dev_net include/linux/netdevice.h:2164 [inline]
RIP: 0010:__skb_flow_dissect+0x3b5/0x5980 net/core/flow_dissector.c:758
Code: 48 c1 ea 03 80 3c 02 00 0f 85 a6 4d 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 77 10 49 8d be 80 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5c 4d 00 00 4d 8b b6 80 05 00 00 48 b8 00 00 00
RSP: 0018:ffff8801b9e16d90 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8801b9e17160 RCX: ffffc90003459000
RDX: 00000000000000b0 RSI: ffffffff861237d8 RDI: 0000000000000580
kobject: 'loop5' (00000000131c4c62): kobject_uevent_env
kobject: 'loop5' (00000000131c4c62): fill_kobj_path: path = '/devices/virtual/block/loop5'
RBP: ffff8801b9e174f0 R08: ffff880175fec3c0 R09: ffffed003b585b57
kobject: 'loop3' (00000000b9975112): kobject_uevent_env
R10: ffffed003b585b57 R11: ffff8801dac2dabb R12: ffffffff8a5208a4
kobject: 'loop3' (00000000b9975112): fill_kobj_path: path = '/devices/virtual/block/loop3'
R13: ffffffff8a5208a6 R14: 0000000000000000 R15: ffff8801d59df800
kobject: 'loop5' (00000000131c4c62): kobject_uevent_env
kobject: 'loop5' (00000000131c4c62): fill_kobj_path: path = '/devices/virtual/block/loop5'
FS:  00007fc905769700(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000
kobject: 'loop4' (00000000d72599e6): kobject_uevent_env
kobject: 'loop4' (00000000d72599e6): fill_kobj_path: path = '/devices/virtual/block/loop4'
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32b24000 CR3: 0000000196bff000 CR4: 00000000001406e0
kobject: 'loop4' (00000000d72599e6): kobject_uevent_env
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop4' (00000000d72599e6): fill_kobj_path: path = '/devices/virtual/block/loop4'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400