syzkaller login: [ 66.916008][ T3140] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 72.267103][ T3140] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 72.271237][ T3140] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:9029' (ECDSA) to the list of known hosts. 1970/01/01 00:01:19 fuzzer started 1970/01/01 00:01:23 dialing manager at localhost:45771 1970/01/01 00:01:23 syscalls: 2894 1970/01/01 00:01:23 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:23 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:23 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:23 setuid sandbox: enabled 1970/01/01 00:01:23 namespace sandbox: enabled 1970/01/01 00:01:23 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:23 fault injection: enabled 1970/01/01 00:01:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:23 net packet injection: enabled 1970/01/01 00:01:23 net device setup: enabled 1970/01/01 00:01:23 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:23 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:23 USB emulation: enabled 1970/01/01 00:01:24 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:24 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:24 802.15.4 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(0x400006a1a0, 0x400046ab80) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400006a1a0, 0x40004ac000, 0x93, 0x93, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400006a1a0, 0x40004ac000, 0x93, 0x93, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400006a1a0, 0x400046a001, 0x0, 0x400028e200) /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: 12:18:21 Registers: info registers vcpu 0 PC=fffffbfffdbfa7e0 X00=0000000000000006 X01=000000000032e41a X02=0000000000000006 X03=0000000000000000 X04=0000000000000000 X05=0000000000000000 X06=000000000000002c X07=0000000000693600 X08=0000000000000040 X09=0000000000000018 X10=0000000000000008 X11=0000000000699d78 X12=0000000000693448 X13=000000000074e7c0 X14=0000000000000000 X15=0000000000000001 X16=0000000000290708 X17=00000000002906b0 X18=0000000000000000 X19=0000000000000098 X20=0000004000037c08 X21=000000400002c800 X22=0000004000052000 X23=0000000000000000 X24=0000000000000000 X25=0000000000000000 X26=00000040003c3558 X27=0000000000000000 X28=0000004000000f00 X29=0000004000037938 X30=00000000000432b8 SP=ffff800012d34000 PSTATE=404003c9 -Z-- EL2h BTYPE=0 FPCR=00000000 FPSR=00000010 P00=0000 P01=0000 P02=0000 P03=0000 P04=0000 P05=0000 P06=0000 P07=0000 P08=0000 P09=0000 P10=0000 P11=0000 P12=0000 P13=0000 P14=0000 P15=0000 FFR=0000 Z00=0000000000000000:0000000000000000 Z01=702f676f72702f72:656c6c616b7a7973 Z02=656c6c616b7a7973:2f006f672e6f6972 Z03=0000000000000000:0000000000000000 Z04=0000000000000000:0010000000000000 Z05=4010040140100401:4010040140100401 Z06=0000100000000000:0000100000000000 Z07=0000000000000000:3fec5760d65ecdfd Z08=0000000000000000:3f808ff70434e540 Z09=0000000000000000:3fe4588def17c0b4 Z10=0000000000000000:3fe0000000000000 Z11=0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000 Z16=0000000000000000:0000000000000000 Z17=0000000000000000:0000000000000000 Z18=0000000000000000:0000000000000000 Z19=0000000000000000:0000000000000000 Z20=0000000000000000:0000000000000000 Z21=0000000000000000:0000000000000000 Z22=0000000000000000:0000000000000000 Z23=0000000000000000:0000000000000000 Z24=0000000000000000:0000000000000000 Z25=0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000 Z30=000000000000001b:00000000199b5753 Z31=0000000000000000:0000000000000000 info registers vcpu 1 PC=ffff80001027f3c0 X00=f0ff0000030f8600 X01=ffff00000616ac00 X02=00000000000000f8 X03=0000000000000200 X04=ffff00000616be00 X05=ff00000000000000 X06=00000000c76b26e9 X07=0000000000000002 X08=ffff800012d236d8 X09=000000007d8fcc29 X10=f8ff0000055e2008 X11=0000000000000000 X12=56dc9ab6c06551d9 X13=4e0565ee4d954f15 X14=f1d09ebab2d31dc5 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=f0ff000005a20f40 X20=ffff8000101270e0 X21=ffff800012d235e0 X22=f0ff0000030f8600 X23=0000000000000001 X24=ffff800011f00000 X25=ffff80001027b3c0 X26=0000000000000000 X27=f0ff0000030f8600 X28=f8ff00000616ace0 X29=ffff800012d23570 X30=84d080001001d61c SP=ffff800012d23570 PSTATE=60400009 -ZC- EL2h BTYPE=0 FPCR=00000000 FPSR=00000000 P00=0000 P01=0000 P02=0000 P03=0000 P04=0000 P05=0000 P06=0000 P07=0000 P08=0000 P09=0000 P10=0000 P11=0000 P12=0000 P13=0000 P14=0000 P15=0000 FFR=0000 Z00=0000000000000000:0000000000000000 Z01=c556818fcb0f9936:3183f4c483e431fa Z02=0dd0c420f157eb00:daaa0fe3778676c0 Z03=919c474c6264afbb:0855afd8a63c52d1 Z04=216bc144695510af:d8e2271147caae12 Z05=11bd7e76c0f9a448:94cb2bb8a9fced8a Z06=cfe8ec9e91036820:4ee1c29de190e2a9 Z07=c902b7e765465088:07c7366d5596cf48 Z08=0000000000000000:0000000000000000 Z09=0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000 Z11=0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000 Z16=1b8c0d8ece3efba3:c753b8c578175c7a Z17=dc616e4a87878b9b:96c56625d23c03ed Z18=f064915adfaa9218:72c8c838200002a8 Z19=019e7bb374ffbb2d:9d9dd9ed6fb7481f Z20=6887992e1014ff20:4a618156e03097bb Z21=fd60ab91663b42c7:9ad277098a236d1a Z22=1b68d30adba40e46:e16f5e34cee1b1c2 Z23=f62da5b47ddc989e:5f334406d55e30de Z24=6b20657479622d32:3320646e61707865 Z25=0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000004