syzkaller login: [ 90.897347][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 90.903196][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 94.550545][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:47988' (ECDSA) to the list of known hosts. 1970/01/01 00:01:48 fuzzer started 1970/01/01 00:01:52 dialing manager at localhost:34223 1970/01/01 00:01:52 syscalls: 2890 1970/01/01 00:01:52 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:52 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:52 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:52 setuid sandbox: enabled 1970/01/01 00:01:52 namespace sandbox: enabled 1970/01/01 00:01:52 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:52 fault injection: enabled 1970/01/01 00:01:52 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:52 net packet injection: enabled 1970/01/01 00:01:52 net device setup: enabled 1970/01/01 00:01:52 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:52 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:52 USB emulation: enabled 1970/01/01 00:01:52 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:52 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:52 802.15.4 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(0x4000309040, 0x400005e0c0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x4000309040, 0x40003ae400, 0x7e, 0x7e, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x4000309040, 0x40003ae400, 0x7e, 0x7e, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x4000309040, 0x40000a7701, 0x0, 0x40000128c8) /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: 12:12:45 Registers: info registers vcpu 0 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=ffff800013194af0 X02=0000000000000001 X03=1fffe00001467001 X04=1ffff000030a0e74 X05=ffff8000185073d0 X06=00008ffffcf5f186 X07=0000000000000001 X08=ffff8000185073d7 X09=dfff800000000000 X10=ffff7000030a0e7a X11=1ffff000030a0e7a X12=ffff7000030a0e7b X13=0000000000000001 X14=1ffff000030a0e5c X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=ffff8000161777c0 X20=0000000000005804 X21=0000000000005804 X22=ffff800018507580 X23=dfff800000000000 X24=1ffff000030a0eb0 X25=0000000000000001 X26=ffff800016177d40 X27=0000000000000000 X28=000000000000000e X29=ffff8000185074b0 X30=ffff800013194b08 SP=ffff8000185074b0 PSTATE=10000005 ---V EL1h FPCR=00000000 FPSR=00000000 Q00=0000000000000000:0000000000000000 Q01=26c5cb036e53b4ea:411ecd93f5c6ca9d Q02=42ab4e7a9617439f:e49a028fde2cc9ce Q03=3d4e20a54de4706b:d5277cf20918dfd8 Q04=07ebbb4e9dbc0fdb:7e8277f3c8f3a0dd Q05=11107765124d5b20:d926baba4d5efdde Q06=6372139a0e3725ff:474522257c66ef01 Q07=e3ab2f59f47fb2db:4ce33196a8afb06a 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=88c81c455571fb12:a0754103a6098093 Q17=a52f76d194e68db7:69beeb0307017f87 Q18=28e3646fa6cb5a6a:1e7b254d5d521f28 Q19=e06e41c4ec8d9fae:bd8ffb6c3c1bedca Q20=603fb97a701d8a6d:bb826eb812720d3c Q21=a5e31894f22aebf3:bac9a456a8a1b866 Q22=bd6c04167ee099f8:242d742b72cbd4a6 Q23=e65651abe3865b2e:7b45b840bb9384fe Q24=6b20657479622d32:3320646e61707865 Q25=c04a14399d66afa9:f56aee2401a1b1a5 Q26=a5bbf50d786608d3:5dde34dc588e6fbf Q27=1900000000000000:0000000000000006 Q28=1900000000000000:0000000000000007 Q29=1900000000000000:0000000000000008 Q30=1300000000000000:000000000000000e Q31=0000000000000000:0000000000000004 info registers vcpu 1 PC=0000000000064434 X00=00000000004ac014 X01=0000000000580930 X02=00000000005808f8 X03=000000000058092c X04=0000000000000000 X05=0000000000000000 X06=0000000000000000 X07=0000000000000000 X08=0000000000000000 X09=0000000000000000 X10=00000000005808f8 X11=000000000074e7c0 X12=000000000058dcf0 X13=000000000074e7c0 X14=0000000000000000 X15=0000000000000001 X16=00000000000417a3 X17=00000000000412a0 X18=0000000000000000 X19=0000000000000098 X20=000000400003dc08 X21=000000400002c400 X22=000000400003e000 X23=0000000000000012 X24=0000000000000001 X25=0000000000000000 X26=0000004000075558 X27=0000000000063ce0 X28=0000004000000780 X29=000000400003d9c8 X30=0000000000064030 SP=000000400003d9d0 PSTATE=80000000 N--- EL0t FPCR=00000000 FPSR=00000010 Q00=0a42a887e5919064:37af88ea25625bdc Q01=3e9a7200115c89c9:b51ab96dbf08f19a Q02=2fa067ee1dd22468:bd69bc2cc2bd50dd Q03=793261514d417675:53284756af8b0cfa Q04=0000040000000000:0000000000000000 Q05=4010040140100401:4010040140100401 Q06=0400000000000000:0400000000000000 Q07=0000000000000000:0000000000000001 Q08=0000000000000000:0000000000000001 Q09=0000000000000000:3fe3f9f1ef10eab1 Q10=0000000000000000:3fe0000000000000 Q11=0000000000000000:2514cca09f328f3a Q12=0000000000000000:337ee441cbc2a20e Q13=0000000000000000:888e0f438569e7df Q14=0000000000000000:fdb2a12d69607480 Q15=0000000000000000:2f7cfa73d011b29a 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=000000000000001e:00000000b81d8ed8 Q31=0000000000000000:0000000000000000