syzkaller login: [   86.653155][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   86.678958][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   86.683600][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:44476' (ECDSA) to the list of known hosts.
1970/01/01 00:01:41 fuzzer started
1970/01/01 00:01:45 dialing manager at localhost:34223
1970/01/01 00:01:46 syscalls: 2890
1970/01/01 00:01:46 code coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:46 comparison tracing: CONFIG_KCOV is not enabled
1970/01/01 00:01:46 extra coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:46 setuid sandbox: enabled
1970/01/01 00:01:46 namespace sandbox: enabled
1970/01/01 00:01:46 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:01:46 fault injection: enabled
1970/01/01 00:01:46 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:01:46 net packet injection: enabled
1970/01/01 00:01:46 net device setup: enabled
1970/01/01 00:01:46 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:01:46 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:01:46 USB emulation: enabled
1970/01/01 00:01:46 hci packet injection: /dev/vhci does not exist
1970/01/01 00:01:46 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:01:46 802.15.4 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, 0x40002c7940)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x400006a1a0, 0x40000e8000, 0xaa, 0xaa, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x400006a1a0, 0x40000e8000, 0xaa, 0xaa, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x400006a1a0, 0x40002c6801, 0x0, 0x4000012330)
	/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:
11:59:17  Registers:
info registers vcpu 0
 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=0000000000000000
X02=0000000000000000 X03=1fffe0000d55e380 X04=000000000022eb3d
X05=0000000000000000 X06=00000000f3f3f3f3 X07=ffff8000173e57a0
X08=ffff800015f0ac00 X09=1fffe000013b747b X10=0000000000000007
X11=1fffe000013b7473 X12=0000000000000088 X13=0000000000000001
X14=1ffff0000309af86 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=ffff000009db9a40
X29=ffff8000184d7d10 X30=ffff800010358478  SP=ffff8000184d7d10
PSTATE=600003c5 -ZC- EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=878e1e19ec9b31a2:5b17b4f03646d689
Q02=b8cb948da0da51f5:c513aea62c27edb9 Q03=ee1210591e87f26d:b8c68a62220b2e59
Q04=dbe3e9d357f4def3:629bbccc612f15c4 Q05=7080c25fe61b51c5:9cc3d101f0e16d31
Q06=ef67b077ab4edd8e:5f38581dfd3ba822 Q07=d9e09ad5fe09afee:f769decf56ec7777
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=9a34828031469899:d7fccb4cc92c8845 Q17=eba5ee4143d57ec7:abdb3c50790434a3
Q18=67a4d98f7728f796:550f2acaf7f6fdf2 Q19=38262ff7682a9289:c4693efc7a7ccd9c
Q20=b9b805afac6134a3:4423ac746db444fd Q21=e9a8a2991a0ac73c:61492ca55af7dc19
Q22=b28b11132b8177c2:a06fcd63b14f81e6 Q23=c049a741207586df:1a746f8ebb8bb27e
Q24=6b20657479622d32:3320646e61707865 Q25=914059451e766849:c9da3b0862e6f36b
Q26=dcab117c8d38b1d7:34b7125b764058ae Q27=1e00000000000000:000000000000000a
Q28=1e00000000000000:000000000000000b Q29=1e00000000000000:000000000000000c
Q30=1e00000000000000:000000000000000e Q31=0000000000000000:0000000000000004
info registers vcpu 1
 PC=ffff8000107510c0 X00=ffff8000184a7d80 X01=0000000000000008
X02=ffff800015f08000 X03=1fffe000016ab691 X04=1ffff00003094fb0
X05=ffff8000184a7db0 X06=00008ffffcf6b04a X07=0000000000000001
X08=ffff8000184a7db7 X09=dfff800000000000 X10=ffff700003094fb6
X11=1ffff00003094fb6 X12=000000000000f1f1 X13=1ffff00003094f7e
X14=1ffff00003094ebe 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=ffff00000b55b480
X29=ffff8000184a7d00 X30=ffff800010358478  SP=ffff8000184a7d00
PSTATE=00000005 ---- 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=0000000000000000:0000000000000001
Q08=0000000000000000:0000000000000001 Q09=0000000000000000:3fe3cacbf1cd90b5
Q10=0000000000000000:3fe0000000000000 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=000000000000000e:00000000df49df14 Q31=0000000000000000:0000000000000000