syzkaller login: [   87.871080][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   87.876016][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[   87.895661][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:42283' (ECDSA) to the list of known hosts.
1970/01/01 00:01:42 fuzzer started
1970/01/01 00:01:46 dialing manager at localhost:38019
1970/01/01 00:01:46 syscalls: 2839
1970/01/01 00:01:47 code coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:47 comparison tracing: CONFIG_KCOV is not enabled
1970/01/01 00:01:47 extra coverage: CONFIG_KCOV is not enabled
1970/01/01 00:01:47 setuid sandbox: enabled
1970/01/01 00:01:47 namespace sandbox: enabled
1970/01/01 00:01:47 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:01:47 fault injection: enabled
1970/01/01 00:01:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:01:47 net packet injection: enabled
1970/01/01 00:01:47 net device setup: enabled
1970/01/01 00:01:47 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:01:47 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:01:47 USB emulation: enabled
1970/01/01 00:01:47 hci packet injection: /dev/vhci does not exist
1970/01/01 00:01:47 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:01:47 802.15.4 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(0x400009a9c0, 0x40002ada00)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58
main.(*Fuzzer).deserializeInput(0x400009a9c0, 0x40000942a0, 0x5a, 0x5a, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8
main.(*Fuzzer).addCandidateInput(0x400009a9c0, 0x40000942a0, 0x5a, 0x5a, 0x101)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40
main.(*Fuzzer).poll(0x400009a9c0, 0x40002ad001, 0x0, 0x40000121a0)
	/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:
11:54:57  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=1fffe0000113db0b X10=0000000000000007
X11=1fffe0000113db03 X12=0000000000000088 X13=0000000000000001
X14=1ffff0000304ef44 X15=ffff00006aaf1b7c X16=1fffe00001221a4b
X17=0000000000000000 X18=ffff00006aaf1b48 X19=ffff8000161854b0
X20=0000000000000000 X21=0000000000000003 X22=0000000000000028
X23=ffff800016185540 X24=dfff800000000000 X25=ffff800016185480
X26=0000000000000004 X27=ffff8000161854b0 X28=ffff00006ab06cb0
X29=ffff800018277ab0 X30=ffff800010358478  SP=ffff800018277ab0
PSTATE=800000c5 N--- EL1h     FPCR=00000000 FPSR=00000000
Q00=0000000000000000:0000000000000000 Q01=50385f7cfd430a46:a71fe3a1d370668c
Q02=a41ba235f636d729:79350f6e6d22df3a Q03=b8efc031a1e8b6ce:84726a9416bedd0d
Q04=82b5a03c63572124:68032f264289dee7 Q05=38a24c1558833ec6:2e562f2c4dbfcc38
Q06=215e9e1a8d86c12a:24692da4bf95ad5e Q07=7bbba69b1f56ecef:3d6e8c97b5a84797
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=4e56a410d35bb086:7fd1e622118bd3ca Q17=2e35b8a78470a9c6:1503bab1656dab6d
Q18=8f32854672b5252b:75da9aa34987f032 Q19=fd3aeddddbbdb39e:9d3b3816a6bf6313
Q20=e87076689a1ba64f:fb71769ade94f6ee Q21=2af95a40aae6ac36:5e7b2af74f8eb228
Q22=7fe4b302bcec83ba:1045406561171e04 Q23=36d4e6b36b6464aa:2f7a854e0f269f1a
Q24=6b20657479622d32:3320646e61707865 Q25=0000000000000000:0000000000000000
Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000
Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000
Q30=0000000000000000:0000000000000000 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=1fffe000013ff47b X10=0000000000000007
X11=1fffe000013ff473 X12=0000000000000088 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=ffff000009ff9a40
X29=ffff800018567d10 X30=ffff800010358478  SP=ffff800018567d10
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=0000000000000000:3feb1a19c154488a
Q08=0000000000000000:3fbb1d4f3e92ee68 Q09=0000000000000000:3fe4b9887d76c316
Q10=0000000000000000:3fe0000000000000 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=0000000000000012:0000000097b6b1eb Q31=0000000000000000:0000000000000000