syzkaller login: [ 92.903434][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 92.925456][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 92.954609][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:61368' (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:38019 1970/01/01 00:01:49 syscalls: 2839 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(0x4000095040, 0x40004f8bc0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x4000095040, 0x400029c0e0, 0xd5, 0xd5, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x4000095040, 0x400029c0e0, 0xd5, 0xd5, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x4000095040, 0x4000170001, 0x0, 0x40000a80f0) /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: 12:14:36 Registers: info registers vcpu 0 PC=ffff800013c4f8d0 X00=ffff800054be7000 X01=0000000000000000 X02=1fffe00002467691 X03=1fffe0000d560295 X04=1ffff00002000dc0 X05=ffff800010006e30 X06=00008ffffdfff23a X07=0000000000000000 X08=ffff800010006e37 X09=dfff800000000000 X10=ffff700002000dc6 X11=1ffff00002000dc6 X12=ffff700002000dc7 X13=1fffe000015d629e X14=1ffff00002000d2a X15=1fffe00001519455 X16=0000000000000000 X17=0000000000000000 X18=ffff00000a8ca2b0 X19=ffff8000107416a8 X20=ffff8000107416a8 X21=ffff80001479b940 X22=ffff8000107452b4 X23=0000000000000002 X24=ffff800015f0a944 X25=00000000000c2002 X26=dfff800000000000 X27=ffff00001233b480 X28=60111645c5b7cd8f X29=ffff800010006cb0 X30=ffff800010750bd4 SP=ffff800010006d10 PSTATE=10000005 ---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=58f2d0431ee7e335:0098119651019c52 Q08=0000000000000000:0000000000000002 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=0000000000000022:00000000226795c7 Q31=0000000000000000:0000000000000000 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=1fffe00001f30b0b X10=0000000000000007 X11=1fffe00001f30b03 X12=0000000000000088 X13=0000000000000001 X14=1ffff000030a2f8e 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=ffff00000f984ec0 X29=ffff800018517d00 X30=ffff800010358478 SP=ffff800018517d00 PSTATE=600003c5 -ZC- EL1h FPCR=00000000 FPSR=00000000 Q00=0000000000000000:0000000000000000 Q01=56bbbb556fbdad66:9db374b6058d6fe6 Q02=69718d82ac9b52bd:76adf777767a2f63 Q03=666fb6f477d0b0e1:9f6c45d38b24db7b Q04=72425b7d18783bf3:7acca7cf7b8da60e Q05=b55ec69d19d1531c:3df9a5f30e1cbc4a Q06=027d36697822fce0:ee94084d6edfbad3 Q07=9cb386434017a81c:9fffff0000005fa1 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=98a33247b334fa76:8e9eba9934bab0bd Q17=c7aa75bf6c2c9d08:56a7f5be021f8a6b Q18=c366629f0d49b3ae:c4f1f10f3b3c0f33 Q19=6eacb109cc5205b6:d77e9502da251e02 Q20=fa9e8a53acf28289:49911917e991743a Q21=a510be615754a319:9d24b777fc9778ae Q22=7c65b8fbbd7cc2c8:3fbee8b0adff33ca Q23=ae413f2d6c357959:7a5a2b595e42c552 Q24=6b20657479622d32:3320646e61707865 Q25=f5ec215296ae14bd:53031fc36047d111 Q26=39721ca7bb18d21b:2ec9823a9410e034 Q27=2200000000000000:000000000000000a Q28=2200000000000000:000000000000000b Q29=2200000000000000:000000000000000c Q30=2200000000000000:000000000000000e Q31=0000000000000000:0000000000000004