syzkaller login: [   88.350738][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   88.362806][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   88.373260][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:42294' (ECDSA) to the list of known hosts.
1970/01/01 00:01:45 fuzzer started
1970/01/01 00:01:49 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(0x400008b040, 0x400011ea40)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x400008b040, 0x40000620a0, 0x4e, 0x4e, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x400008b040, 0x40000620a0, 0x4e, 0x4e, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x400008b040, 0x400011e001, 0x0, 0x400009e140)
	/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:
11:58:06  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=1fffe00001f7347b X10=0000000000000007
X11=1fffe00001f73473 X12=0000000000000088 X13=0000000000000001
X14=1ffff000030a4f8e X15=1fffe00001267235 X16=0000000000000000
X17=0000000000000000 X18=ffff0000093391b0 X19=ffff8000161854b0
X20=0000000000000000 X21=0000000000000003 X22=0000000000000028
X23=ffff800016185540 X24=dfff800000000000 X25=ffff800016185480
X26=0000000000000004 X27=ffff8000161854b0 X28=ffff00000fb99a40
X29=ffff800018527d00 X30=ffff800010358478  SP=ffff800018527d00
PSTATE=600003c5 -ZC- EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=963ad61f1675f51b:309b2af9ac86a7e7
Q02=cb6bc551f0a8f37a:b2091b2bbb54ee38 Q03=f9e1110a4837044a:5dea0f482e61817d
Q04=825f9705ebd11d01:47ccbc03851c2bd4 Q05=1a0a3c5cd336fabf:0173815986d1df00
Q06=401534607f8aaad8:185c644690b51544 Q07=068c853fa20a62b8:4d2cd75a0605a04f
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=8b6c086d0a982791:14d027cc4fecd76c Q17=21a76e92dbb49305:aedf9335d5edaee4
Q18=32663c54dda56b07:5e29ac57244e12e7 Q19=9d3645fe5cc156be:d9e198aa325f3c0c
Q20=5159043995cb26b3:1d31e3ca11327179 Q21=cb7642732f2311e4:3f77bbbfbb48f6ed
Q22=59ae3b35fed54659:67df5216bb532b86 Q23=bccf33a79b0a2a14:b75d99ed81d7f5dd
Q24=6b20657479622d32:3320646e61707865 Q25=957678120c6967ea:82169e593fbbd7f0
Q26=2ff42327f834305c:9079a57a025ecfa5 Q27=3f00000000000000:000000000000000b
Q28=3f00000000000000:000000000000000c Q29=3f00000000000000:000000000000000d
Q30=3f00000000000000:000000000000000e Q31=0000000000000000:0000000000000004
info registers vcpu 1
 PC=000000000004326c X00=0000000000000002 X01=000000000032ad8f
X02=0000000000000002 X03=0000000000000000 X04=0000000000000000
X05=0000000000000000 X06=000000000000003e X07=00000000006935fd
X08=0000000000000040 X09=0000000000000019 X10=0000000000000007
X11=0000000000696ad9 X12=0000000000693448 X13=000000000074e7c0
X14=0000000000000000 X15=0000000000000001 X16=0000000000290708
X17=00000000002906b0 X18=0000000000000000 X19=0000000000000098
X20=00000040000399b0 X21=000000400002cc00 X22=0000004000066000
X23=0000000000000000 X24=0000000000000000 X25=0000000000000000
X26=00000040002af558 X27=0000000000000000 X28=0000004000001200
X29=0000004000039938 X30=00000000000432b8  SP=0000004000039940
PSTATE=20000000 --C- EL0t     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=0000000000000000:03e8c806e02559a6
Q10=0000000000000000:960cfabcbe51049b Q11=0000000000000000:e304dc5b45d150e7
Q12=0000000000000000:5238185c5ee04dbf Q13=0000000000000000:510218968105e2c8
Q14=0000000000000000:71e72116dfa9adae Q15=0000000000000000:8b7aaf5615716f53
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=0000000000000005:00000000d398d58a Q31=0000000000000000:0000000000000000