syzkaller login: [   90.541120][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   90.558765][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   90.563519][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:29222' (ECDSA) to the list of known hosts.
1970/01/01 00:01:50 fuzzer started
1970/01/01 00:01:54 dialing manager at localhost:34223
1970/01/01 00:01:55 syscalls: 2890
1970/01/01 00:01:55 code coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:55 comparison tracing: CONFIG_KCOV is not enabled
1970/01/01 00:01:55 extra coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:55 setuid sandbox: enabled
1970/01/01 00:01:55 namespace sandbox: enabled
1970/01/01 00:01:55 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:01:55 fault injection: enabled
1970/01/01 00:01:55 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:01:55 net packet injection: enabled
1970/01/01 00:01:55 net device setup: enabled
1970/01/01 00:01:55 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:01:55 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:01:55 USB emulation: enabled
1970/01/01 00:01:55 hci packet injection: /dev/vhci does not exist
1970/01/01 00:01:55 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:01:55 802.15.4 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(0x40002a8340, 0x40004a6a00)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x40002a8340, 0x40000ee070, 0x68, 0x68, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x40002a8340, 0x40000ee070, 0x68, 0x68, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x40002a8340, 0x40004a6001, 0x0, 0x400028e220)
	/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:
12:20:31  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=1fffe0000219a7c3 X10=0000000000000007
X11=1fffe0000219a7bb X12=0000000000000088 X13=0000000000000001
X14=1ffff000030a0f8e X15=1fffe00001239e35 X16=0000000000000000
X17=0000000000000000 X18=ffff0000091cf1b0 X19=ffff8000161854b0
X20=0000000000000000 X21=0000000000000003 X22=0000000000000028
X23=ffff800016185540 X24=dfff800000000000 X25=ffff800016185480
X26=0000000000000004 X27=ffff8000161854b0 X28=ffff000010cd3480
X29=ffff800018507d00 X30=ffff800010358478  SP=ffff800018507d00
PSTATE=600003c5 -ZC- EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=2b1904fafc5926f6:da29bb85080af785
Q02=17ede1e27478dc68:479f54517c062028 Q03=53ee9583520c8cbb:96bc7c8d65319e3b
Q04=162aaf6827ff39c7:c6bfb7b5af63ac55 Q05=9fc4c2131a484cae:b6bed969b3e64e06
Q06=349acf1a46828e38:e20f77ac1d518d69 Q07=ac9fba3331f87b9e:b77ef48e8c6b0b6c
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=a6e6746620f9f577:338370e5e1d2da5b Q17=7cc690d8b133889b:627bba977e15b8c4
Q18=6a1256e5e6414631:854845ea652ec643 Q19=d082af915fadad8d:157f152486a85696
Q20=446bebef1b2eac51:831349ac0c038eb4 Q21=7d9b93d943aa2aa4:0b9dab33e54f3cea
Q22=d066c3cbf120b2c5:3f82380c47c83bbd Q23=136dbc6e7fb71c45:18b0b0ce735c2f65
Q24=6b20657479622d32:3320646e61707865 Q25=1e00be6c148d176c:f93dac707ee0d650
Q26=1dffeb31f6243107:3f130ff3fc4aadc8 Q27=2a00000000000000:0000000000000006
Q28=2a00000000000000:0000000000000007 Q29=2a00000000000000:0000000000000008
Q30=0000000000000000:0000000000000000 Q31=0000000000000000:0000000000000004
info registers vcpu 1
 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=0000000000000000
X02=0000000000000003 X03=1fffe000024c2001 X04=1ffff00002fc8d50
X05=ffff00006ab291c8 X06=00009ffff2a9adc7 X07=0000000000000001
X08=ffff00006ab291cb X09=dfff800000000000 X10=ffff60000d565239
X11=1fffe0000d565239 X12=ffff60000d56523a X13=0000000000000001
X14=1ffff000030acf86 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=ffff800018567cd0
X29=ffff800018177e00 X30=ffff800010358478  SP=ffff800018177e00
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=838a4c221c863ae5:c1b1cf0d9de57159
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=0000000000000023:00000000f65adb7b Q31=0000000000000000:0000000000000000