audit: type=1400 audit(1572353641.204:76): avc:  denied  { prog_load } for  pid=17628 comm="syz-executor.3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1
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 NOPTI
Modules linked in:
audit: type=1400 audit(1572353641.234:77): avc:  denied  { prog_run } for  pid=17628 comm="syz-executor.3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1
CPU: 1 PID: 17632 Comm: syz-executor.3 Not tainted 4.14.150+ #0
task: 000000009898f30a task.stack: 00000000d53f2058
RIP: 0010:__bpf_skb_max_len net/core/filter.c:2284 [inline]
RIP: 0010:____bpf_skb_change_tail net/core/filter.c:2371 [inline]
RIP: 0010:bpf_skb_change_tail+0x59/0xb80 net/core/filter.c:2368
RSP: 0018:ffff8881d0bff7f0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8881c97a1f40 RCX: 000000000000019d
RDX: 0000000000000043 RSI: ffffc90004d5d000 RDI: 0000000000000218
RBP: 0000000000004003 R08: 0000000000000001 R09: ffffed103b7244fa
R10: ffffed103b7244f9 R11: ffff8881db9227cf R12: 0000000000000000
R13: ffffed103a17ff2d R14: ffffffffaa3c4830 R15: ffffc90000199088
FS:  00007fa005f1e700(0000) GS:ffff8881db900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000960004 CR3: 000000019b5e8003 CR4: 00000000001606a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 ___bpf_prog_run+0x2478/0x5510 kernel/bpf/core.c:1095
Code: 48 c1 ea 03 80 3c 02 00 0f 85 21 0a 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 10 49 8d bc 24 18 02 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 55 09 00 00 49 8d bc 24 26 
RIP: __bpf_skb_max_len net/core/filter.c:2284 [inline] RSP: ffff8881d0bff7f0
RIP: ____bpf_skb_change_tail net/core/filter.c:2371 [inline] RSP: ffff8881d0bff7f0
RIP: bpf_skb_change_tail+0x59/0xb80 net/core/filter.c:2368 RSP: ffff8881d0bff7f0
---[ end trace 7c463e635e303f6c ]---
Kernel panic - not syncing: Fatal exception
Kernel Offset: 0x28000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..