syzkaller login: [   86.579465][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   86.590182][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   86.643373][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:25625' (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:38019
1970/01/01 00:01:46 syscalls: 2839
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(0x40002c8340, 0x4000342640)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x40002c8340, 0x400007e000, 0xc6, 0xc6, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x40002c8340, 0x400007e000, 0xc6, 0xc6, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x40002c8340, 0x4000342001, 0x0, 0x4000012150)
	/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:
12:20:06  Registers:
info registers vcpu 0
 PC=ffff800010283620 X00=ffff0000094bbc00 X01=ffff000011188000
X02=0000000000000003 X03=1fffe00002231001 X04=ffff8000155b5e30
X05=ffff700002000e68 X06=ffff0000094bbb50 X07=1ffff00002000e68
X08=ffff800015f0ac00 X09=1fffe00002231138 X10=0000000000000004
X11=1fffe0000223112b X12=0000000000000000 X13=0000000000000000
X14=1ffff00002000e4e X15=dfff800000000000 X16=0000000000000000
X17=0000000000000000 X18=0000000000000000 X19=1ffff00002000e68
X20=1fffe00001297773 X21=1fffe00001297778 X22=1fffe0000129776a
X23=0000000000000007 X24=ffff00000a14ec00 X25=0000000000000000
X26=ffff00000a711780 X27=ffff00000a14ec62 X28=ffff0000094bbb40
X29=ffff800010007200 X30=ffff800013cb9ee0  SP=ffff8000100071b0
PSTATE=900000c5 N--V EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=9746ec93e2bbd167:66e7baeb24fbd4ee
Q02=7723489156bafb38:64d7bfc2c6d53d9c Q03=35e6aacb557b88c9:1e8b0b211927d368
Q04=96a91582322bec6e:fd07895e68476ebc Q05=bb737083c6c1851f:b6eeb6095e68ec99
Q06=ef6edad846fae6f6:cd07ae1e0c2f73b9 Q07=de022222ea9faf52:b215932c6766aaf8
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=bb24ddb2680d3c72:fc5f99c035702874 Q17=955e102aa54f1577:736d0a0a429b9f56
Q18=ee47413b6b9ac419:fda9fbe21b72985d Q19=1798a8783331b04e:e921f9106e8873dc
Q20=69289f77ad841bea:baf4e6edca7248d2 Q21=bf1382e6d359b6b4:95454e54bb626c9b
Q22=8518625f2a94202a:5415573587225a0e Q23=1a277aa9dbbbdc73:a962306a02a7f474
Q24=6b20657479622d32:3320646e61707865 Q25=fc8c567a31327891:e7dc81f3ccb2284d
Q26=48ef8c4575c1c28e:d2783f2627dd50bd Q27=1d00000000000000:0000000000000006
Q28=1d00000000000000:0000000000000007 Q29=1d00000000000000:0000000000000008
Q30=1200000000000000:000000000000000e Q31=0000000000000000:0000000000000004
info registers vcpu 1
 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=0000000000000000
X02=0000000000000003 X03=1fffe0000d56519a X04=dfff800000000000
X05=ffff800018177ab0 X06=0000000000000004 X07=0000000000000001
X08=0000000000000003 X09=dfff800000000000 X10=ffff70000302ef56
X11=1ffff0000302ef56 X12=ffff70000302ef57 X13=0000000000000001
X14=1ffff0000302ef2c 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=ffff800015f70d58
X29=ffff800018177a30 X30=ffff800010358478  SP=ffff800018177a30
PSTATE=100000c5 ---V EL1h     FPCR=00000000 FPSR=00000010
Q00=0000000000000000:0000000000000000 Q01=702f676f72702f72:656c6c616b7a7973
Q02=656c6c616b7a7973:2f006f672e6f6972 Q03=0000000000000000:0000000000000000
Q04=0000000000000000:0010000000000000 Q05=4010040140100401:4010040140100401
Q06=0000100000000000:0000100000000000 Q07=a9676c9daa8b6215:a7d0fa9c48ce2c5b
Q08=0000000000000000:3fb938dd21e8d8e8 Q09=0000000000000000:3fe3f7afe73f1988
Q10=0000000000000000:3fe0000000000000 Q11=0000000000000000:d26d7c533f395ada
Q12=0000000000000000:0f00e644fed3d2be Q13=0000000000000000:dfda4c4bfae3a952
Q14=0000000000000000:870edb00e33b2a5d Q15=0000000000000000:d22c47e3865f1c6c
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=0000000000000024:00000000d7f89347 Q31=0000000000000000:0000000000000000