syzkaller login: [   91.653658][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   91.685350][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   95.934538][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:40182' (ECDSA) to the list of known hosts.
1970/01/01 00:01:45 fuzzer started
1970/01/01 00:01:50 dialing manager at localhost:34223
1970/01/01 00:01:51 syscalls: 2890
1970/01/01 00:01:51 code coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:51 comparison tracing: CONFIG_KCOV is not enabled
1970/01/01 00:01:51 extra coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:51 setuid sandbox: enabled
1970/01/01 00:01:51 namespace sandbox: enabled
1970/01/01 00:01:51 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:01:51 fault injection: enabled
1970/01/01 00:01:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:01:51 net packet injection: enabled
1970/01/01 00:01:51 net device setup: enabled
1970/01/01 00:01:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:01:51 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:01:51 USB emulation: enabled
1970/01/01 00:01:51 hci packet injection: /dev/vhci does not exist
1970/01/01 00:01:51 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:01:51 802.15.4 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(0x400030a340, 0x4000341780)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x400030a340, 0x4000164000, 0xb9, 0xb9, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x400030a340, 0x4000164000, 0xb9, 0xb9, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x400030a340, 0x4000340b01, 0x0, 0x400009c0f0)
	/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:
12:27:32  Registers:
info registers vcpu 0
 PC=ffff80001372bbd8 X00=0000000000000001 X01=00000000000000c0
X02=0000000000000030 X03=ffff80001002c4b8 X04=1ffff00002000fa6
X05=ffff800010007d60 X06=00008ffffdfff054 X07=0000000000000001
X08=ffff800010007d67 X09=dfff800000000000 X10=ffff700002000fac
X11=1ffff00002000fac X12=ffff700002000fad X13=0000000000000001
X14=1ffff00002000f4e X15=1fffe0000165d2d5 X16=0000000000000000
X17=0000000000000000 X18=ffff00000b2e96b0 X19=0000000000000102
X20=ffff80001479b8c0 X21=ffff8000161586a0 X22=ffff800014495130
X23=0000000000000003 X24=ffff000010c91a40 X25=ffff000010c91a40
X26=ffff800010007da0 X27=0000000000000003 X28=dfff800000000000
X29=ffff800010007b40 X30=ffff80001002c784  SP=ffff800010007af0
PSTATE=10000005 ---V EL1h     FPCR=00000000 FPSR=00000010
Q00=0000000000000000:ba7a172bdebe2957 Q01=0000000000000000:4120f68000000000
Q02=0000000000000000:89926afcac982d0f Q03=0000000000000000:333c680e76541e89
Q04=0000000000000000:0000000000000000 Q05=0000000000000000:4010040140100401
Q06=0000000000000000:0001000000000000 Q07=0000000000000000:3fece7cf349b56aa
Q08=0000000000000000:3fbadce9659a8888 Q09=0000000000000000:3fe4002c15ba5fc6
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=0000000000000000:00000000978f3be8 Q31=0000000000000000:0000000000000000
info registers vcpu 1
 PC=ffff800010285c30 X00=ffff00006ab11000 X01=ffff800013c3e98c
X02=0000000000000003 X03=1fffe00001228349 X04=00000000f204f1f1
X05=ffff700003dbaf16 X06=1ffff00002fc8d50 X07=ffff8000136afce8
X08=0000000000000000 X09=1fffe0000122847b X10=0000000000000007
X11=1fffe00001228473 X12=0000000000000439 X13=0000000000000001
X14=1ffff00003dbaee4 X15=ffff0000139d14c0 X16=0000000000000000
X17=0000000000000000 X18=ffff0000139d14f8 X19=0000000000000000
X20=ffff800014530920 X21=ffff0000139d0c60 X22=1ffff00003dbaf0e
X23=1fffe0000273a18b X24=0000000000000030 X25=ffff00000b72ca00
X26=ffff000011f61500 X27=1ffff00003dbaf7a X28=1fffe000016e5944
X29=ffff80001edd77a0 X30=ffff80001002ce10  SP=ffff80001edd76f0
PSTATE=700000c5 -ZCV EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=f8d99f73c1847c7a:2987bb00119dfc95
Q02=392f01ff183c3518:7e884f382efad532 Q03=c258c01c1ca28f6f:d3d1c9535bd09741
Q04=ecfd78c1ba446b57:8ccd6ed87caac81f Q05=0c6630c9f7ca526f:5ef0be5b7fd62a57
Q06=d4fed69476a1bd35:36a2ba1b6b5161c2 Q07=b5fe9376e1ff9731:3626869beda45f00
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=3ca588b6b34a854f:a58a98b77b1c18b9 Q17=38d37a1b36ee4354:8e0e9ee485ea172d
Q18=2fc27dfa6a0cc2ff:5e2c1268bbca0552 Q19=a24ce0ffff000000:cfa1067dcfaf968f
Q20=de5016b5db994991:a5c4f6383c1c321a Q21=6ad80f9bdaf44e21:0a73c606dd37e248
Q22=c1d018a591d89a74:986503630ad3d0b4 Q23=5e6c63c361e4db28:daeec4036f96f37a
Q24=6b20657479622d32:3320646e61707865 Q25=71f286ebf498e7b2:47b628b271eb03b7
Q26=3c7a2f9eb4be8775:93024b6b1e75755d Q27=1b00000000000000:0000000000000006
Q28=1b00000000000000:0000000000000007 Q29=1b00000000000000:0000000000000008
Q30=1100000000000000:000000000000000e Q31=0000000000000000:0000000000000004