syzkaller login: [ 89.566832][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 89.577593][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 93.107911][ T3143] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:29204' (ECDSA) to the list of known hosts. 1970/01/01 00:01:45 fuzzer started 1970/01/01 00:01:49 dialing manager at localhost:34223 1970/01/01 00:01:50 syscalls: 2890 1970/01/01 00:01:50 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:50 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:50 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:50 setuid sandbox: enabled 1970/01/01 00:01:50 namespace sandbox: enabled 1970/01/01 00:01:50 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:50 fault injection: enabled 1970/01/01 00:01:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:50 net packet injection: enabled 1970/01/01 00:01:50 net device setup: enabled 1970/01/01 00:01:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:50 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:50 USB emulation: enabled 1970/01/01 00:01:50 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:50 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:50 802.15.4 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(0x400008a000, 0x40000a77c0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400008a000, 0x4000202000, 0xb8, 0xb8, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400008a000, 0x4000202000, 0xb8, 0xb8, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400008a000, 0x4000372001, 0x0, 0x400009e0c0) /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: 12:18:00 Registers: info registers vcpu 0 PC=ffff800010750ce0 X00=ffff000009fe1a48 X01=00000000000001c8 X02=1fffe000013fc34b X03=0000000000000000 X04=1ffff0000309adf7 X05=ffff8000184d6f00 X06=00008ffffcf65220 X07=0000000000000001 X08=ffff8000184d6f07 X09=dfff800000000000 X10=ffff70000309ade0 X11=1ffff0000309ade0 X12=ffff70000309ade1 X13=0000000000000001 X14=1ffff0000309ae02 X15=1fffe00002742d95 X16=0000000000000000 X17=0000000000000000 X18=ffff000013a16cb0 X19=ffff8000184d7160 X20=ffff8000104519e0 X21=ffff8000184d71d0 X22=1ffff0000309ae2c X23=ffff000009fe1a40 X24=0000000000000000 X25=1ffff0000309ae30 X26=0000000000000000 X27=ffff000013a16c80 X28=ffff000008947b00 X29=ffff8000184d7140 X30=ffff8000102849e8 SP=ffff8000184d6fc0 PSTATE=800000c5 N--- EL1h FPCR=00000000 FPSR=00000000 Q00=0000000000000000:0000000000000000 Q01=934b78986347ab3b:9d5db602957e3840 Q02=02f2b736417312f4:b30c351416ba6ab1 Q03=3c83b4a6a28d17d5:2ba263e2c18f4c0d Q04=2ea5bef7fb091f3c:5c25b9d6af359c49 Q05=7ee7e532931441b9:4f03d6d4f65e8d09 Q06=34bcc7a39d7b3171:b82fbd2d3d4b58d9 Q07=c9ce6d2e2ec39945:082d78e6ec2f0cfc 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=62eb0bfa68fcbce7:536a1d4f7144c8f6 Q17=6877bb75f636ddb1:2e6d281261b81a55 Q18=cf7378c85ad3f13c:98eaf199fd986a7f Q19=ded7bd7d98652dcf:c5fd9fb9bf8bffd8 Q20=7c6a612bf51e6233:b46b53e9824b464c Q21=a02879f3fdad7f93:0e8307f0ba10b8a4 Q22=a963f8cf33b7fd34:856d5c10e4ba763b Q23=3e49ed81380d5797:cb146e7e608a8206 Q24=6b20657479622d32:3320646e61707865 Q25=3b26fb1399fbb509:59e80689eaa130d7 Q26=b53bcc2ff7fdb426:df180eda4168da26 Q27=2700000000000000:0000000000000006 Q28=2700000000000000:0000000000000007 Q29=2700000000000000:0000000000000008 Q30=1000000000000000:000000000000000e 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=1fffe000012b87c3 X10=0000000000000007 X11=1fffe000012b87bb X12=0000000000000088 X13=0000000000000001 X14=1ffff000030a6f8e 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=ffff0000095c3480 X29=ffff800018537d00 X30=ffff800010358478 SP=ffff800018537d00 PSTATE=600003c5 -ZC- EL1h FPCR=00000000 FPSR=00000010 Q00=0000000000000000:0000000000000000 Q01=662d7a79732f7265:6c6c616b7a79732f Q02=006f672e72657a7a:75662f72657a7a75 Q03=0000000000000000:0000000000000000 Q04=4000000000000000:0000000000000000 Q05=4010040140100401:4010040140100401 Q06=4000000000000000:4000000000000000 Q07=0000000000000000:0000000000000000 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=0000000000000016:000000002f0b282c Q31=0000000000000000:0000000000000000