syzkaller login: [   89.246331][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   89.283686][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   89.312195][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:22424' (ECDSA) to the list of known hosts.
1970/01/01 00:01:50 fuzzer started
1970/01/01 00:01:54 dialing manager at localhost:34223
1970/01/01 00:01:54 syscalls: 2890
1970/01/01 00:01:54 code coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:54 comparison tracing: CONFIG_KCOV is not enabled
1970/01/01 00:01:54 extra coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:54 setuid sandbox: enabled
1970/01/01 00:01:54 namespace sandbox: enabled
1970/01/01 00:01:54 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:01:54 fault injection: enabled
1970/01/01 00:01:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:01:54 net packet injection: enabled
1970/01/01 00:01:54 net device setup: enabled
1970/01/01 00:01:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:01:54 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:01:54 USB emulation: enabled
1970/01/01 00:01:54 hci packet injection: /dev/vhci does not exist
1970/01/01 00:01:54 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:01:54 802.15.4 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(0x4000308340, 0x4000446980)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x4000308340, 0x40002940e0, 0xdb, 0xdb, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x4000308340, 0x40002940e0, 0xdb, 0xdb, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x4000308340, 0x400006a101, 0x0, 0x4000012230)
	/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:
11:57:24  Registers:
info registers vcpu 0
 PC=ffff800013dfbda0 X00=1ffff00002a07d84 X01=0000000000000003
X02=1fffe00002111001 X03=1fffe0000d560295 X04=ffff700002000e21
X05=ffff800010007100 X06=00008ffffdfff1e0 X07=0000000000000001
X08=ffff800010007107 X09=dfff800000000000 X10=ffff700002000e20
X11=1ffff00002000e20 X12=ffff700002000e21 X13=0000000000000000
X14=1ffff00002000e82 X15=dfff800000000000 X16=0000000000000000
X17=0000000000000000 X18=ffff00000bc814f8 X19=0000000000000000
X20=ffff000010888000 X21=ffff800015f81918 X22=0000000000000001
X23=0000000000000002 X24=ffff00000f7948b0 X25=ffff00000b2b804e
X26=1ffff00002000e0f X27=dfff800000000000 X28=ffff00001379f3c0
X29=ffff800010006f50 X30=ffff80001002cdf8  SP=ffff8000100070a0
PSTATE=10000005 ---V EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=5f8ac4f7c6f4be28:564ca1eee34cb21d
Q02=c82e540754cc1d20:05b1209a2003b22e Q03=5817437903a6ae82:27b1bdc6346d6bbb
Q04=0c8ea54c12d4aa66:362129f7af67490e Q05=dca5d4061b99c3d6:d849961d54ee99f1
Q06=4e1fa81eef9d5f58:214c0926d8a9f90f Q07=d4526c8fb60714b6:818e3adf79bf68a3
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=8b570ccb4b5615d8:e851ed95ec7e58e4 Q17=6a86ba56551062ba:21dfa7795ec5606e
Q18=9b8c75e5c9eac2af:72c96c8d2d9d23dc Q19=543f920a312177f8:08000090a66f5d26
Q20=cd9237da26b8f056:f1c447634f88f7d9 Q21=f4b5ce12c2a36147:b08b8ba2b5d8eaca
Q22=da5644c8ea44ebeb:5565068c3dbea224 Q23=b1cec14e9eb6ae30:d580cbe843745644
Q24=6b20657479622d32:3320646e61707865 Q25=0000000000000000:0000000000000000
Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000
Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000
Q30=0000000000000000:0000000000000000 Q31=0000000000000000:0000000000000004
info registers vcpu 1
 PC=ffff800010273564 X00=0000000000000000 X01=ffff8000161586a0
X02=1fffe000024cf480 X03=1fffe0000d562780 X04=00000000f204f1f1
X05=ffff7000030a2f06 X06=dfff800000000000 X07=00000000f1f1f1f1
X08=ffff800015f0ac00 X09=1fffe000024cf480 X10=0000000000000007
X11=1fffe000024cf473 X12=0000000000000000 X13=0000000000000001
X14=1ffff000030a2ee4 X15=0000000000000000 X16=0000000000000000
X17=0000000000000000 X18=0000000000000000 X19=0000000000000001
X20=ffff800054c09000 X21=dfff800000000000 X22=ffff00000910ef00
X23=ffff8000172e9000 X24=ffff800015f0ac00 X25=000000000000000a
X26=0000000000000009 X27=0000000000000000 X28=ffff0000093ee400
X29=ffff800018517850 X30=ffff8000102dd660  SP=ffff800018517750
PSTATE=60000005 -ZC- 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=0000000000000000:0000000000000000
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=000000000000001f:00000000db4d2e04 Q31=0000000000000000:0000000000000000