syzkaller login: [   89.186518][ T3147] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   89.201173][ T3147] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   89.205586][ T3147] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:21083' (ECDSA) to the list of known hosts.
1970/01/01 00:01:49 fuzzer started
1970/01/01 00:01:53 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(0x400007c340, 0x40004505c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x400007c340, 0x400031e000, 0x2d72, 0x2d72, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x400007c340, 0x400031e000, 0x2d72, 0x2d72, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x400007c340, 0x4000450001, 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:
12:01:06  Registers:
info registers vcpu 0
 PC=ffff80001002c658 X00=ffff80001105bbb4 X01=0000000000000000
X02=0000000000000000 X03=1fffe000024d3001 X04=ffff700002000d8e
X05=00000000f2f2f200 X06=0000000000000140 X07=fbfbfbfbfbfbfbfb
X08=ffff60000210001c X09=000000000000f1f1 X10=ffff700002000d72
X11=1ffff00002000d72 X12=ffff700002000d73 X13=0000000000000001
X14=1ffff00002000d94 X15=1fffe00002765235 X16=0000000000000000
X17=0000000000000000 X18=ffff000013b291b0 X19=ffff800010006b80
X20=ffff800010007920 X21=ffff800010007920 X22=ffff800010006c40
X23=0000000000000002 X24=0000000000000030 X25=ffff800010006a80
X26=0000000000000000 X27=ffff800010006b88 X28=ffff000008947980
X29=ffff800010006af0 X30=ffff80001002c680  SP=ffff800010006ab0
PSTATE=600000c5 -ZC- EL1h     FPCR=00000000 FPSR=00000010
Q00=4899e2c229869a10:5ca6b4c1678b64b1 Q01=0000000000000000:411d4be000000000
Q02=5037772dca44bf2d:c39d44f26441549c Q03=0000000000000000:0000000000000000
Q04=0000000000000000:0000000000000400 Q05=4010040140100401:4010040140100401
Q06=0000000400000000:0000000400000000 Q07=1a14b3f99ab387d8:143c4aebb216e601
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=000000000000000b:000000002bb07e37 Q31=0000000000000000:0000000000000000
info registers vcpu 1
 PC=ffff80001015e308 X00=ffff000008af4ec8 X01=0000000000000003
X02=0000000000000000 X03=1fffe0000115e9d9 X04=1fffe0000115e9d9
X05=0000000000000000 X06=00000000f3f3f3f3 X07=ffff8000173e57a0
X08=ffff800015f0ac00 X09=1fffe0000115eb0b X10=0000000000000007
X11=1fffe0000115eb03 X12=000000000000044d X13=0000000000000001
X14=1ffff00003096ef2 X15=0000000000000000 X16=0000000000000000
X17=0000000000000000 X18=0000000000000000 X19=0000000000000201
X20=0000000000000200 X21=ffff8000136af740 X22=ffff000008af4ec0
X23=1fffe0000175f191 X24=ffff00000baf8c88 X25=ffff000013ee2a00
X26=ffff00001211b480 X27=1ffff00003096f7a X28=1fffe000027dc544
X29=ffff8000184b78f0 X30=ffff8000136af76c  SP=ffff8000184b78f0
PSTATE=10000005 ---V EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=7fe2975f91757f0f:cd5df3cff5ff38ff
Q02=fcfd7869fe9b187f:a8959f37fc10e5fd Q03=ddfabfddfa07e117:d3fe3df8ff441af5
Q04=0ff01f9fb87fedfb:f9ff7dfdbe5f77d6 Q05=997eb9bf5fefd19f:77ccbf1f9bf6fdbf
Q06=fbbfc7f77ffbff5f:e9ffb7fc7f0ffe66 Q07=6fcdfb3fc93e5fce:0844ff9fbbfc7f37
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=2dc7ca05d5f98f4c:385b820b28d8239b Q17=a815565ba03462f1:114bc25f53f11645
Q18=b14d22ec8f5a8499:2ac36496fb4f5a86 Q19=4b14d6b677faae13:410e35552e637cc8
Q20=d0074bb8645f5579:97e8630492324be9 Q21=e798d5772dd02a99:e8db31218af607ae
Q22=c1cb64d35f074081:0b1349c1aa00f4d2 Q23=9040e21c7cc55c11:75cbf796697afa58
Q24=6b20657479622d32:3320646e61707865 Q25=89866d84bda9fd1c:f377a9c7f3f8532c
Q26=667aff469524f871:1b6233a6538cd0bb Q27=2500000000000000:0000000000000002
Q28=2500000000000000:0000000000000003 Q29=2500000000000000:0000000000000004
Q30=2400000000000000:000000000000000e Q31=0000000000000000:0000000000000004