syzkaller login: [   89.566832][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   89.577593][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   93.107911][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:29204' (ECDSA) to the list of known hosts.
1970/01/01 00:01:45 fuzzer started
1970/01/01 00:01:49 dialing manager at localhost:34223
1970/01/01 00:01:50 syscalls: 2890
1970/01/01 00:01:50 code coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:50 comparison tracing: CONFIG_KCOV is not enabled
1970/01/01 00:01:50 extra coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:50 setuid sandbox: enabled
1970/01/01 00:01:50 namespace sandbox: enabled
1970/01/01 00:01:50 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:01:50 fault injection: enabled
1970/01/01 00:01:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:01:50 net packet injection: enabled
1970/01/01 00:01:50 net device setup: enabled
1970/01/01 00:01:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:01:50 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:01:50 USB emulation: enabled
1970/01/01 00:01:50 hci packet injection: /dev/vhci does not exist
1970/01/01 00:01:50 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:01:50 802.15.4 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(0x400008a000, 0x40000a77c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x400008a000, 0x4000202000, 0xb8, 0xb8, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x400008a000, 0x4000202000, 0xb8, 0xb8, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x400008a000, 0x4000372001, 0x0, 0x400009e0c0)
	/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:
12:18:00  Registers:
info registers vcpu 0
 PC=ffff800010750ce0 X00=ffff000009fe1a48 X01=00000000000001c8
X02=1fffe000013fc34b X03=0000000000000000 X04=1ffff0000309adf7
X05=ffff8000184d6f00 X06=00008ffffcf65220 X07=0000000000000001
X08=ffff8000184d6f07 X09=dfff800000000000 X10=ffff70000309ade0
X11=1ffff0000309ade0 X12=ffff70000309ade1 X13=0000000000000001
X14=1ffff0000309ae02 X15=1fffe00002742d95 X16=0000000000000000
X17=0000000000000000 X18=ffff000013a16cb0 X19=ffff8000184d7160
X20=ffff8000104519e0 X21=ffff8000184d71d0 X22=1ffff0000309ae2c
X23=ffff000009fe1a40 X24=0000000000000000 X25=1ffff0000309ae30
X26=0000000000000000 X27=ffff000013a16c80 X28=ffff000008947b00
X29=ffff8000184d7140 X30=ffff8000102849e8  SP=ffff8000184d6fc0
PSTATE=800000c5 N--- EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=934b78986347ab3b:9d5db602957e3840
Q02=02f2b736417312f4:b30c351416ba6ab1 Q03=3c83b4a6a28d17d5:2ba263e2c18f4c0d
Q04=2ea5bef7fb091f3c:5c25b9d6af359c49 Q05=7ee7e532931441b9:4f03d6d4f65e8d09
Q06=34bcc7a39d7b3171:b82fbd2d3d4b58d9 Q07=c9ce6d2e2ec39945:082d78e6ec2f0cfc
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=62eb0bfa68fcbce7:536a1d4f7144c8f6 Q17=6877bb75f636ddb1:2e6d281261b81a55
Q18=cf7378c85ad3f13c:98eaf199fd986a7f Q19=ded7bd7d98652dcf:c5fd9fb9bf8bffd8
Q20=7c6a612bf51e6233:b46b53e9824b464c Q21=a02879f3fdad7f93:0e8307f0ba10b8a4
Q22=a963f8cf33b7fd34:856d5c10e4ba763b Q23=3e49ed81380d5797:cb146e7e608a8206
Q24=6b20657479622d32:3320646e61707865 Q25=3b26fb1399fbb509:59e80689eaa130d7
Q26=b53bcc2ff7fdb426:df180eda4168da26 Q27=2700000000000000:0000000000000006
Q28=2700000000000000:0000000000000007 Q29=2700000000000000:0000000000000008
Q30=1000000000000000:000000000000000e Q31=0000000000000000:0000000000000004
info registers vcpu 1
 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=0000000000000000
X02=0000000000000000 X03=1fffe0000d562780 X04=000000000022eb3d
X05=0000000000000000 X06=00000000f3f3f3f3 X07=ffff8000173e57a0
X08=ffff800015f0ac00 X09=1fffe000012b87c3 X10=0000000000000007
X11=1fffe000012b87bb X12=0000000000000088 X13=0000000000000001
X14=1ffff000030a6f8e X15=0000000000000000 X16=0000000000000000
X17=0000000000000000 X18=0000000000000000 X19=ffff8000161854b0
X20=0000000000000000 X21=0000000000000003 X22=0000000000000028
X23=ffff800016185540 X24=dfff800000000000 X25=ffff800016185480
X26=0000000000000004 X27=ffff8000161854b0 X28=ffff0000095c3480
X29=ffff800018537d00 X30=ffff800010358478  SP=ffff800018537d00
PSTATE=600003c5 -ZC- EL1h     FPCR=00000000 FPSR=00000010
Q00=0000000000000000:0000000000000000 Q01=662d7a79732f7265:6c6c616b7a79732f
Q02=006f672e72657a7a:75662f72657a7a75 Q03=0000000000000000:0000000000000000
Q04=4000000000000000:0000000000000000 Q05=4010040140100401:4010040140100401
Q06=4000000000000000:4000000000000000 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=0000000000000016:000000002f0b282c Q31=0000000000000000:0000000000000000