syzkaller login: [   92.622651][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   92.648843][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   92.653583][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:7122' (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:38019
1970/01/01 00:01:50 syscalls: 2839
1970/01/01 00:01:50 code coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:50 comparison tracing: CONFIG_KCOV is not enabled
1970/01/01 00:01:50 extra coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:50 setuid sandbox: enabled
1970/01/01 00:01:50 namespace sandbox: enabled
1970/01/01 00:01:50 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:01:50 fault injection: enabled
1970/01/01 00:01:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:01:50 net packet injection: enabled
1970/01/01 00:01:50 net device setup: enabled
1970/01/01 00:01:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:01:50 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:01:50 USB emulation: enabled
1970/01/01 00:01:50 hci packet injection: /dev/vhci does not exist
1970/01/01 00:01:50 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:01:50 802.15.4 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(0x400009a340, 0x400030bb00)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x400009a340, 0x4000158000, 0xee, 0xee, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x400009a340, 0x4000158000, 0xee, 0xee, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x400009a340, 0x400030b001, 0x0, 0x4000080288)
	/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:
12:19:02  Registers:
info registers vcpu 0
 PC=ffff800010291980 X00=0000000000000000 X01=0000000000000000
X02=0000000000000000 X03=0000000000000001 X04=0000000000000000
X05=ffff800010007160 X06=0000000000000004 X07=0000000000000001
X08=0000000000000003 X09=dfff800000000000 X10=ffff700002000e2c
X11=1ffff00002000e2c X12=ffff700002000e2d X13=0000000000000001
X14=1ffff00002000e02 X15=dfff800000000000 X16=0000000000000000
X17=0000000000000000 X18=0000000000000000 X19=ffff000013de1808
X20=ffff800015f08000 X21=ffff800010007160 X22=1ffff00002000e28
X23=ffff000013de1818 X24=ffff000013de1810 X25=1fffe000027bc302
X26=1fffe000027bc303 X27=ffff800054be7000 X28=00000000ffffffff
X29=ffff8000100070e0 X30=ffff800010291894  SP=ffff8000100070e0
PSTATE=80000005 N--- EL1h     FPCR=00000000 FPSR=00000010
Q00=0000000000000000:0000000000000000 Q01=e00102df3a02e005:020064656c62616e
Q02=0019018412018361:04da000302df4902 Q03=0000000000000000:0010000000000000
Q04=4000000000000000:0000040000000000 Q05=4010040140100401:4010040140100401
Q06=4000040000001000:4000040000001000 Q07=31f8e751da18fa68:ef297c3241ebff72
Q08=0000000000000000:3fc482a29f3d4f24 Q09=0000000000000000:3fe3c05d87e23c3e
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=000000000000002e:00000000de0b9943 Q31=0000000000000000:0000000000000000
info registers vcpu 1
 PC=ffff8000110576d8 X00=0000000000000001 X01=0000000000000003
X02=0000000000000008 X03=0000000000005ae7 X04=00000000105d38fd
X05=0000000000000000 X06=dfff800000000000 X07=00000000f1f1f1f1
X08=ffff800015f0ac00 X09=1fffe0000115eb0b X10=0000000000000007
X11=1fffe0000115eb03 X12=0000000000000033 X13=0000000000000001
X14=1ffff0000302ef5c X15=0000000000000000 X16=0000000000000000
X17=0000000000000000 X18=0000000000000000 X19=0000000000000000
X20=ffff000008af4ec0 X21=ffff80001479b940 X22=0000000000000002
X23=ffff800010332890 X24=ffff800015f0ac00 X25=ffff80001452fee0
X26=00000000000000c0 X27=ffff000008af4ec0 X28=dfff800000000000
X29=ffff800018177cc0 X30=ffff8000103328c0  SP=ffff800018177cb0
PSTATE=600000c5 -ZC- EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=d4f0d657738123bd:6908b75848f5ff47
Q02=612110279b382c81:9c1e3f50975a9d82 Q03=1513271ec78c3ad0:7cfb5dddab4acc52
Q04=5cc6b6b6442763c6:c7690cdc8f306229 Q05=d7adcd19bd3ac72b:29826d770590fc8f
Q06=1bc2366ee525a144:cef101ecbcd8f67b Q07=5fdcd6d03617a3fd:4e30ae878b99a007
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=4d5cc89cc358d3b1:2b0da690bd572d49 Q17=b7561a8aa5567145:1654d01e5ebacd5e
Q18=7733ddb1b59eedcc:b6776b3beb58ebdd Q19=a4ba8d34738c3d57:59ad08e607b5cd36
Q20=e4e86a4410000197:aebcc2deb1350f99 Q21=8d805f9fe22ed137:6c8b315b8392d0e0
Q22=25e31cfb4a49466c:4ddd76534912d6f5 Q23=237bcd35d9b5a6bb:f7ebab4a5e643cbd
Q24=6b20657479622d32:3320646e61707865 Q25=0000000000000000:0000000000000000
Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000
Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000
Q30=0000000000000000:0000000000000000 Q31=0000000000000000:0000000000000004