syzkaller login: [   91.727183][ T3145] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   91.751656][ T3145] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   91.778018][ T3145] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:31648' (ECDSA) to the list of known hosts.
1970/01/01 00:01:44 fuzzer started
1970/01/01 00:01:48 dialing manager at localhost:34223
1970/01/01 00:01:49 syscalls: 2890
1970/01/01 00:01:49 code coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:49 comparison tracing: CONFIG_KCOV is not enabled
1970/01/01 00:01:49 extra coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:49 setuid sandbox: enabled
1970/01/01 00:01:49 namespace sandbox: enabled
1970/01/01 00:01:49 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:01:49 fault injection: enabled
1970/01/01 00:01:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:01:49 net packet injection: enabled
1970/01/01 00:01:49 net device setup: enabled
1970/01/01 00:01:49 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:01:49 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:01:49 USB emulation: enabled
1970/01/01 00:01:49 hci packet injection: /dev/vhci does not exist
1970/01/01 00:01:49 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:01:49 802.15.4 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(0x4000089380, 0x4000481680)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x4000089380, 0x4000210000, 0xe7, 0xe7, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x4000089380, 0x4000210000, 0xe7, 0xe7, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x4000089380, 0x4000480901, 0x0, 0x400009cb38)
	/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:
12:19:58  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=1fffe000012a17c3 X10=0000000000000007
X11=1fffe000012a17bb X12=0000000000000088 X13=0000000000000001
X14=1ffff000030a0f8e X15=1fffe00001279e85 X16=0000000000000000
X17=0000000000000000 X18=ffff0000093cf430 X19=ffff8000161854b0
X20=0000000000000000 X21=0000000000000003 X22=0000000000000028
X23=ffff800016185540 X24=dfff800000000000 X25=ffff800016185480
X26=0000000000000004 X27=ffff8000161854b0 X28=ffff00000950b480
X29=ffff800018507d00 X30=ffff800010358478  SP=ffff800018507d00
PSTATE=600003c5 -ZC- EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=d45b7ac6a4225fbe:497602ea78a3a4db
Q02=2fc3b3e7a77db4ba:f6425f53fb7aa961 Q03=ab5ff5f5cf31ddec:cc79cc5d658e3590
Q04=d4bbb56e68c17605:6bb8e62a52acb0a5 Q05=692e9284bb76349b:69d4ef5767747b20
Q06=a95ad58c845b1aca:570d61a11ff88c76 Q07=9f64fb7ba1d20d40:bbd3643e0337e46c
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=41f6d8dcfacbb194:1859a83ee72ebbcf Q17=dcd8af43fd701660:58b4c4cb4f4600cb
Q18=46386fb6d3f34df1:a0f23a3752a2275d Q19=bdb71ab4060edeec:3514caf8d0d0dafe
Q20=1e873f40d4612d1b:cfcb6fc84c12d788 Q21=12289269c44ac01c:57138524e80a6eb1
Q22=e88040352e24be52:97d6304d28a1db88 Q23=63896977fb4b6545:5b4ec295b8d8a1d0
Q24=6b20657479622d32:3320646e61707865 Q25=a2e966f34e657361:957eb7909e15401e
Q26=5b1b1db652676f64:fa887a2b60ce8c31 Q27=3000000000000000:000000000000000a
Q28=3000000000000000:000000000000000b Q29=3000000000000000:000000000000000c
Q30=3000000000000000:000000000000000e Q31=0000000000000000:0000000000000004
info registers vcpu 1
 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=0000000000000000
X02=0000000000000000 X03=1fffe0000d562780 X04=000000000022eb3d
X05=0000000000000000 X06=00000000f3f3f3f3 X07=ffff8000173e57a0
X08=ffff800015f0ac00 X09=1fffe00002491133 X10=0000000000000007
X11=1fffe0000249112b X12=0000000000000088 X13=0000000000000001
X14=1ffff000030b4f86 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=ffff000012488000
X29=ffff8000185a7d10 X30=ffff800010358478  SP=ffff8000185a7d10
PSTATE=600003c5 -ZC- 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=0000000000000000:0000000000000001
Q08=0000000000000000:0000000000000001 Q09=0000000000000000:3fe401ea46416825
Q10=0000000000000000:3fe0000000000000 Q11=0000000000000000:8774c71d7350ede9
Q12=0000000000000000:9ada7a6e1d808640 Q13=0000000000000000:2c4b98dd0ed754b3
Q14=0000000000000000:e1e67194bdf76dab Q15=0000000000000000:c113b7a20351b259
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=0000000000000012:00000000f14c1554 Q31=0000000000000000:0000000000000000