BUG: unable to handle kernel paging request at ffff8804ce69f868
IP: fd_array_map_delete_elem+0x7b/0x110 kernel/bpf/arraymap.c:418
PGD 890a067 P4D 890a067 PUD 0 
Oops: 0002 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 23475 Comm: syz-executor6 Not tainted 4.15.0-rc7+ #187
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:fd_array_map_delete_elem+0x7b/0x110 kernel/bpf/arraymap.c:418
RSP: 0018:ffff8801cc0078a0 EFLAGS: 00010246
RAX: 00000000602f79db RBX: ffff8801ccee28c0 RCX: ffffffff8181a6b5
RDX: 000000000000078f RSI: ffffc900043c5000 RDI: ffff8801ccee28e4
RBP: ffff8801cc0078b0 R08: 1ffff10039800e59 R09: 0000000000000002
R10: ffffffff817e8b61 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d14dbd01 R14: ffff8801cc007f20 R15: ffff8801dadb2b80
FS:  00007f8d5ac98700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8804ce69f868 CR3: 00000001d3f24006 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
ieee80211 phy6: Selected rate control algorithm 'minstrel_ht'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211 phy7: Selected rate control algorithm 'minstrel_ht'
 map_delete_elem kernel/bpf/syscall.c:737 [inline]
 SYSC_bpf kernel/bpf/syscall.c:1814 [inline]
 SyS_bpf+0x22ea/0x4400 kernel/bpf/syscall.c:1782
ieee80211 phy8: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy9: Selected rate control algorithm 'minstrel_ht'
 entry_SYSCALL_64_fastpath+0x23/0x9a
RIP: 0033:0x452cf9
RSP: 002b:00007f8d5ac97c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452cf9
RDX: 0000000000000107 RSI: 0000000020babff0 RDI: 0000000000000003
RBP: 0000000000000037 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ee5c8
R13: 00000000ffffffff R14: 00007f8d5ac986d4 R15: 0000000000000000
Code: fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 6c 44 39 63 24 76 7a e8 8b 77 ee ff 44 89 e0 45 31 e4 <4c> 87 a4 c3 d0 00 00 00 4d 85 e4 74 69 e8 73 77 ee ff 48 89 da 
RIP: fd_array_map_delete_elem+0x7b/0x110 kernel/bpf/arraymap.c:418 RSP: ffff8801cc0078a0
CR2: ffff8804ce69f868
---[ end trace cb08e65e7adadc47 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..