syzkaller login: [   89.146597][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   89.153358][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   89.171544][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:26222' (ECDSA) to the list of known hosts.
1970/01/01 00:01:59 fuzzer started
1970/01/01 00:02:03 dialing manager at localhost:38019
1970/01/01 00:02:04 syscalls: 2839
1970/01/01 00:02:04 code coverage: CONFIG_KCOV is not enabled
1970/01/01 00:02:04 comparison tracing: CONFIG_KCOV is not enabled
1970/01/01 00:02:04 extra coverage: CONFIG_KCOV is not enabled
1970/01/01 00:02:04 setuid sandbox: enabled
1970/01/01 00:02:04 namespace sandbox: enabled
1970/01/01 00:02:04 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:02:04 fault injection: enabled
1970/01/01 00:02:04 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:02:04 net packet injection: enabled
1970/01/01 00:02:04 net device setup: enabled
1970/01/01 00:02:04 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:02:04 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:02:04 USB emulation: enabled
1970/01/01 00:02:04 hci packet injection: /dev/vhci does not exist
1970/01/01 00:02:04 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:02:04 802.15.4 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(0x4000306340, 0x4000162ec0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x4000306340, 0x4000210140, 0x12f, 0x12f, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x4000306340, 0x4000210140, 0x12f, 0x12f, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x4000306340, 0x40000a6901, 0x0, 0x4000012270)
	/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:
12:19:58  Registers:
info registers vcpu 0
 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=0000000000000000
X02=0000000000000003 X03=1fffe0000137d349 X04=1ffff00002000fa6
X05=ffff800010007d60 X06=00008ffffdfff054 X07=0000000000000001
X08=ffff800010007d67 X09=dfff800000000000 X10=ffff700002000fac
X11=1ffff00002000fac X12=ffff700002000fad X13=0000000000000001
X14=1ffff00002000f4e X15=1fffe000013150f5 X16=0000000000000000
X17=0000000000000000 X18=ffff0000098a87b0 X19=ffff8000161854b0
X20=0000000000000000 X21=0000000000000003 X22=0000000000000028
X23=ffff800016185540 X24=dfff800000000000 X25=ffff800016185480
X26=0000000000000004 X27=ffff8000161854b0 X28=dfff800000000000
X29=ffff800010007d10 X30=ffff800010358478  SP=ffff800010007d10
PSTATE=100000c5 ---V 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=0000000000000000:3ff4d05e4d8c00ee
Q08=0000000000000000:3fc0b6be672d897c Q09=0000000000000000:3fe287c148073660
Q10=0000000000000000:3fe0000000000000 Q11=0000000000000000:efd08bcd36ee6e5e
Q12=0000000000000000:f1974ed4fe95b6e6 Q13=0000000000000000:854ea8afe4728480
Q14=0000000000000000:05b7278608b7985e Q15=0000000000000000:e14341e0f8218a4e
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=0000000000000006:0000000042cd7503 Q31=0000000000000000:0000000000000000
info registers vcpu 1
 PC=ffff8000101d5a34 X00=ffff00006ab25778 X01=0000000000000000
X02=0000000000000003 X03=1fffe000023199d9 X04=1fffe0000d564aef
X05=ffff800018177ab0 X06=0000000000000004 X07=0000000000000001
X08=0000000000000003 X09=dfff800000000000 X10=ffff70000302ef56
X11=1ffff0000302ef56 X12=ffff70000302ef57 X13=0000000000000001
X14=1ffff0000302ef2c X15=0000000000000000 X16=0000000000000000
X17=0000000000000000 X18=0000000000000000 X19=0000000000000000
X20=ffff800014530920 X21=ffff00006ab28298 X22=ffff800015f6f000
X23=ffff00006ab28298 X24=dfff800000000000 X25=ffff800016185480
X26=0000000000000004 X27=ffff8000161854b0 X28=ffff800015f70d58
X29=ffff800018177a30 X30=ffff800010358478  SP=ffff800018177a30
PSTATE=600000c5 -ZC- EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=65b32bb83e37153a:1a180c77126e476a
Q02=4817e1c553c5ea3e:fd782c4105775eaf Q03=a54aa4fde6e4a606:1d70b4604ed4df26
Q04=fbf6f61defb07fb0:ecffd9be6528b8a3 Q05=66f0e1c8bdd4b86f:69ffb8fbd0ef51c3
Q06=f6e7706f77bb32bd:ec6475c2f0a73ee7 Q07=71a2d366cf28cb24:59aabcbbd910b7a8
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=c948d344ecb83e77:9cfde26d7db704c9 Q17=96f37a33d6db5198:5d1ece3fcd66a3ad
Q18=a2e03d51d35ff475:5f30b72c6cf5c86f Q19=af5bb772cc660bfd:71d4b1a4b7a87cdc
Q20=25c2836039dea20f:bfc6c9a1a08eba2b Q21=52f3ed55b2edc7f2:b6edc03e941cce93
Q22=83b9f75b38e85c9b:540e8f0a36b60505 Q23=78a1df48223eabc1:25a064f354956977
Q24=6b20657479622d32:3320646e61707865 Q25=a5ac9250b69f478a:f0017f5c9359f7ae
Q26=922ff9f4fef36417:754e9b37cc1820be Q27=1a00000000000000:0000000000000006
Q28=1a00000000000000:0000000000000007 Q29=1a00000000000000:0000000000000008
Q30=1700000000000000:000000000000000e Q31=0000000000000000:0000000000000004