syzkaller login: [   90.450183][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   90.493955][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   90.525917][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:44528' (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:34223
1970/01/01 00:01:48 syscalls: 2890
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(0x400008d040, 0x4000096040)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x400008d040, 0x40002e4120, 0x112, 0x112, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x400008d040, 0x40002e4120, 0x112, 0x112, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x400008d040, 0x4000354001, 0x0, 0x4000084190)
	/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:
12:18:02  Registers:
info registers vcpu 0
 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=ffff800013194af0
X02=0000000000000001 X03=1fffe00001221001 X04=1ffff0000309af6c
X05=ffff8000184d7b90 X06=00008ffffcf6508e X07=0000000000000001
X08=ffff8000184d7b97 X09=dfff800000000000 X10=ffff70000309af72
X11=1ffff0000309af72 X12=ffff70000309af73 X13=0000000000000001
X14=1ffff0000309af54 X15=0000000000000000 X16=0000000000000000
X17=0000000000000000 X18=0000000000000000 X19=ffff8000161777c0
X20=0000000000005456 X21=0000000000005456 X22=ffff8000184d7da0
X23=dfff800000000000 X24=1ffff0000309afb4 X25=0000000000000001
X26=ffff800016177d40 X27=0000000000000000 X28=00000000000001a4
X29=ffff8000184d7c70 X30=ffff800013194b08  SP=ffff8000184d7c70
PSTATE=10000005 ---V EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=ec99d76a7762dd09:a6dbef82e742907b
Q02=193a0f1a8635e72e:3b11f5d1923db08b Q03=dd4089c5aa13d28a:7b36f453f536cdea
Q04=1ed9f979168b563c:5d5c981d890e2cac Q05=a070c010c8b61289:a2c83e72fe1d797b
Q06=98a03cbc3677919a:4ba1e27447c994bb Q07=498eef614d2fe355:bfccce86fc946d04
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=865a4985c6884df0:e5dfee3864a4b131 Q17=b4430b75dbb03f44:b65cf652fd3b18d5
Q18=1d64b4be21cb3114:15f5bea620e2d0ce Q19=c35ff6082cfa85cb:596b87ac1ca91669
Q20=56f5f70e4c958225:cbad784f52d1acf3 Q21=5723ace099fd2ff6:ca501eba32c98591
Q22=0b21e81f6224d48d:40761314f2f0af00 Q23=874db0669b03fd88:24cfb653b2691c6a
Q24=6b20657479622d32:3320646e61707865 Q25=a1d8c4c4a0a6b524:3e0575d96c470950
Q26=c937249ef0a9cb8d:76521f2ba83202c1 Q27=3600000000000000:0000000000000006
Q28=3600000000000000:0000000000000007 Q29=3600000000000000:0000000000000008
Q30=1200000000000000:000000000000000e Q31=0000000000000000:0000000000000004
info registers vcpu 1
 PC=ffff800014494f70 X00=0000000000000001 X01=0000000000000001
X02=0000000000000000 X03=1fffe0000d562780 X04=0000000000000001
X05=ffff800018507db0 X06=00008ffffcf5f04a X07=0000000000000001
X08=0000000000000000 X09=ffff800015f6cb10 X10=00000000f3000000
X11=dfff800000000000 X12=000000000000f1f1 X13=0000000000000001
X14=1ffff000030a0f8e 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=ffff000010cf4ec0
X29=ffff800018507d00 X30=ffff800010358478  SP=ffff800018507d00
PSTATE=400003c5 -Z-- EL1h     FPCR=00000000 FPSR=00000010
Q00=0000000000000000:0000000000000000 Q01=702f676f72702f72:656c6c616b7a7973
Q02=656c6c616b7a7973:2f006f672e6f6972 Q03=0000000000000000:0000000000000000
Q04=0000000000000000:0010000000000000 Q05=4010040140100401:4010040140100401
Q06=0000100000000000:0000100000000000 Q07=67f4044e4474a492:e4e763ef759952ff
Q08=0000000000000000:0000000000000001 Q09=0000000000000000:94d76363038fc569
Q10=0000000000000000:e6c8bd59139f2c07 Q11=0000000000000000:09b6251d1af0bbd3
Q12=0000000000000000:1661e33dea8c2fa4 Q13=0000000000000000:06514923c47cf2cc
Q14=0000000000000000:ca4d51b4590dc67d Q15=0000000000000000:6177cdc4170f2b98
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=0000000000000022:00000000bbfc731d Q31=0000000000000000:0000000000000000