syzkaller login: [ 90.371435][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 90.384610][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 90.394656][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:34333' (ECDSA) to the list of known hosts. 1970/01/01 00:01:40 fuzzer started 1970/01/01 00:01:44 dialing manager at localhost:34223 1970/01/01 00:01:45 syscalls: 2890 1970/01/01 00:01:45 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:45 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:45 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:45 setuid sandbox: enabled 1970/01/01 00:01:45 namespace sandbox: enabled 1970/01/01 00:01:45 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:45 fault injection: enabled 1970/01/01 00:01:45 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:45 net packet injection: enabled 1970/01/01 00:01:45 net device setup: enabled 1970/01/01 00:01:45 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:45 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:45 USB emulation: enabled 1970/01/01 00:01:45 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:45 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:45 802.15.4 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(0x40000ec820, 0x40002acc80) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x40000ec820, 0x40000500d0, 0xcf, 0xcf, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x40000ec820, 0x40000500d0, 0xcf, 0xcf, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x40000ec820, 0x40000fc301, 0x0, 0x400016c2b0) /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: 12:19:12 Registers: info registers vcpu 0 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=0000000000000000 X02=0000000000000003 X03=1fffe0000d560d9a X04=dfff800000000000 X05=ffff800010006890 X06=0000000000000004 X07=0000000000000001 X08=0000000000000003 X09=dfff800000000000 X10=ffff700002000d12 X11=1ffff00002000d12 X12=ffff700002000d13 X13=0000000000000001 X14=1ffff00002000ce8 X15=1fffe00001283545 X16=0000000000000000 X17=0000000000000000 X18=ffff00000941aa30 X19=ffff8000161854b0 X20=0000000000000000 X21=0000000000000003 X22=0000000000000028 X23=ffff800016185540 X24=dfff800000000000 X25=ffff800016185480 X26=0000000000000004 X27=ffff8000161854b0 X28=ffff800015f70d58 X29=ffff800010006810 X30=ffff800010358478 SP=ffff800010006810 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=0000000000000000:3fed684a05fcbda9 Q08=0000000000000000:3fb7c0c458594258 Q09=0000000000000000:3fe4a4fc099cfb37 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=000000000000001b:000000006048a159 Q31=0000000000000000:0000000000000000 info registers vcpu 1 PC=ffff80001074fd90 X00=0000000000000000 X01=0000000000000003 X02=0000000000000001 X03=0000000000000000 X04=1fffe0000d5635d0 X05=ffff800017faa640 X06=00008ffffd00ab38 X07=0000000000000001 X08=ffff800017faa640 X09=dfff800000000000 X10=ffff700002ff54c8 X11=1ffff00002ff54c8 X12=ffff700002ff54c9 X13=0000000000000001 X14=1ffff0000302ef26 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=00000000000000c0 X20=1fffe0000d5634a1 X21=0000000000000004 X22=1fffe0000d5634a4 X23=ffff00006ab1a4c0 X24=0000000000000000 X25=dfff800000000000 X26=ffff00006ab1a628 X27=ffff00006ab1a6a8 X28=dfff800000000000 X29=ffff800018177be0 X30=ffff8000144942ac SP=ffff800018177be0 PSTATE=200000c5 --C- EL1h FPCR=00000000 FPSR=00000000 Q00=0000000000000000:0000000000000000 Q01=8107f8740c32ec1a:679608246e44b2cb Q02=6168a6ba5c44a2b4:44c60a6bf4997c8b Q03=fa6af7f10f0f1941:c76681054db1fd51 Q04=45ec022a564458f8:a506efd9715db3cd Q05=05cf67f0add65ab2:a7599853e95a02d4 Q06=ae0ff5e7f9e56621:9ae37700f4fffb8c Q07=a7d99e6d25f4a579:c5e100430a92db23 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=7a8538c56f1cad32:8b0f151cce51ea3d Q17=9a7641bdbd48d66c:d5a6d6182bd87e9d Q18=4cd311f3eab58c15:4c33c72a5861b235 Q19=13d65d3a71020000:08448383c124ecb0 Q20=c4d2ba8d1e354995:54a8bc4979fc1c27 Q21=f75747c28ae2f2ac:a0833be5a38f5d37 Q22=95a02b4d463c72af:bdb8758f61688b39 Q23=4b0f150289d0911a:3cc5c26d52c7dc91 Q24=6b20657479622d32:3320646e61707865 Q25=0000000000000000:0000000000000000 Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000 Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000 Q30=0000000000000000:0000000000000000 Q31=0000000000000000:0000000000000004