syzkaller login: [   91.231318][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   91.247550][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   91.252566][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:25504' (ECDSA) to the list of known hosts.
1970/01/01 00:01:43 fuzzer started
1970/01/01 00:01:47 dialing manager at localhost:38019
1970/01/01 00:01:48 syscalls: 2839
1970/01/01 00:01:48 code coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:48 comparison tracing: CONFIG_KCOV is not enabled
1970/01/01 00:01:48 extra coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:48 setuid sandbox: enabled
1970/01/01 00:01:48 namespace sandbox: enabled
1970/01/01 00:01:48 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:01:48 fault injection: enabled
1970/01/01 00:01:48 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:01:48 net packet injection: enabled
1970/01/01 00:01:48 net device setup: enabled
1970/01/01 00:01:48 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:01:48 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:01:48 USB emulation: enabled
1970/01/01 00:01:48 hci packet injection: /dev/vhci does not exist
1970/01/01 00:01:48 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:01:48 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0x290708]

goroutine 1 [running]:
github.com/google/syzkaller/prog.(*ChoiceTable).Enabled(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/prio.go:239
main.(*Fuzzer).checkDisabledCalls(0x400006a1a0, 0x4000324400)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x400006a1a0, 0x40003b00e0, 0x6e, 0x6e, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x400006a1a0, 0x40003b00e0, 0x6e, 0x6e, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x400006a1a0, 0x4000078a01, 0x0, 0x40002901d0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:409 +0x3a0
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:273 +0xedc

VM DIAGNOSIS:
12:29:28  Registers:
info registers vcpu 0
 PC=ffff800013a77df4 X00=ffff80001479b940 X01=0000000000000008
X02=0000000000000000 X03=1fffe00001134691 X04=0000000000000001
X05=0000000000000000 X06=0000000000000000 X07=ffff8000173e57a0
X08=ffff800015f0ac00 X09=1fffe000011347d2 X10=0000000000000007
X11=1fffe000011347bb X12=0000000000000376 X13=0000000000000001
X14=1ffff00003044f20 X15=0000000000000000 X16=0000000000000000
X17=0000000000000000 X18=0000000000000000 X19=0000000000000000
X20=ffff0000089a3480 X21=1ffff00003044f1a X22=ffff0000089a3df8
X23=ffff0000089a3df8 X24=ffff800015f0ac00 X25=0000000000000000
X26=0000000000000000 X27=0000000000000000 X28=ffff800013a77b58
X29=ffff800018227950 X30=ffff8000144941e0  SP=ffff800018227900
PSTATE=00000005 ---- EL1h     FPCR=00000000 FPSR=00000010
Q00=dcb94c98f83e8d1f:fe7b579cb3515709 Q01=0000000000000000:410c6f4000000000
Q02=9afcfc46f0eadf2d:355e945daff5accf Q03=acfd9534aafce086:c1abbb35542cd842
Q04=0000000000000000:0000000000000000 Q05=4010040140100401:4010040140100401
Q06=0000000004000000:0000000004000000 Q07=0000000000000000:0000000000000000
Q08=0000000000000000:0000000000000000 Q09=0000000000000000:0000000000000000
Q10=0000000000000000:0000000000000000 Q11=0000000000000000:0000000000000000
Q12=0000000000000000:0000000000000000 Q13=0000000000000000:0000000000000000
Q14=0000000000000000:0000000000000000 Q15=0000000000000000:0000000000000000
Q16=0000000000000000:0000000000000000 Q17=0000000000000000:0000000000000000
Q18=0000000000000000:0000000000000000 Q19=0000000000000000:0000000000000000
Q20=0000000000000000:0000000000000000 Q21=0000000000000000:0000000000000000
Q22=0000000000000000:0000000000000000 Q23=0000000000000000:0000000000000000
Q24=0000000000000000:0000000000000000 Q25=0000000000000000:0000000000000000
Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000
Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000
Q30=0000000000000013:00000000066c9398 Q31=0000000000000000:0000000000000000
info registers vcpu 1
 PC=ffff80001002c4b8 X00=0000000000000001 X01=1ffff00002ff01f7
X02=0000000000000001 X03=ffff800010291894 X04=0000000000000000
X05=ffff7000030aacde X06=dfff800000000000 X07=00000000f1f1f1f1
X08=0000000000000003 X09=dfff800000000000 X10=ffff7000030aace6
X11=1ffff000030aace6 X12=ffff7000030aace7 X13=0000000000000001
X14=1ffff000030aacbc X15=ffff00000b0714c0 X16=0000000000000000
X17=0000000000000000 X18=ffff00000b0714f8 X19=ffff800017f80fa0
X20=ffff800015f08000 X21=ffff80001105bbb4 X22=ffff8000173d0010
X23=ffff000009199a40 X24=ffff8000185566c8 X25=ffff800017f80fa0
X26=0000000000000000 X27=ffff0000125b38c0 X28=dfff800000000000
X29=ffff8000185565a0 X30=ffff80001002c658  SP=ffff8000185565e0
PSTATE=800000c5 N--- EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=22515f9c393e2185:07283ec314761026
Q02=8235f471de8d23a6:dd68386967ed3844 Q03=da9bcaa4d15aa9fd:df53ae0c0ca70dc9
Q04=2a818bc5b54ddaed:37c4dad2222e7900 Q05=6b5981eed588d037:5c3490d6b341b1f4
Q06=25a29d19a05894d8:f8d3cdc155547b4a Q07=76d495f3b04b8bc9:ee6eb2d6ef4604cf
Q08=0000000000000000:0000000000000000 Q09=0000000000000000:0000000000000000
Q10=0000000000000000:0000000000000000 Q11=0000000000000000:0000000000000000
Q12=0000000000000000:0000000000000000 Q13=0000000000000000:0000000000000000
Q14=0000000000000000:0000000000000000 Q15=0000000000000000:0000000000000000
Q16=5cfaf6f77cc08000:0f254ae3156e64f1 Q17=cbb6e9694695c75c:35949358baa63d52
Q18=96b54459f60bcc90:b7094b8c238fc305 Q19=6fc0e0fcf7d735c4:07494f5f1d5314e5
Q20=feccfa411d4223c5:030a5bccd2a1d494 Q21=1fd5d5c5976750e4:c7571fe0b1c4d955
Q22=6417d174dfe20a82:8d0b564a8f4f5546 Q23=fdf257155bc72c46:d551c653b9267cc0
Q24=6b20657479622d32:3320646e61707865 Q25=0000000000000000:0000000000000000
Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000
Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000
Q30=0000000000000000:0000000000000000 Q31=0000000000000000:0000000000000004