syzkaller login: [ 68.806058][ T3140] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 68.810726][ T3140] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 71.383424][ T3140] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:33182' (ECDSA) to the list of known hosts. 1970/01/01 00:01:24 fuzzer started 1970/01/01 00:01:29 dialing manager at localhost:45771 1970/01/01 00:01:29 syscalls: 2894 1970/01/01 00:01:29 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:29 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:29 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:29 setuid sandbox: enabled 1970/01/01 00:01:29 namespace sandbox: enabled 1970/01/01 00:01:29 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:29 fault injection: enabled 1970/01/01 00:01:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:29 net packet injection: enabled 1970/01/01 00:01:29 net device setup: enabled 1970/01/01 00:01:29 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:29 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:29 USB emulation: enabled 1970/01/01 00:01:29 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:29 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:29 802.15.4 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(0x400006bba0, 0x400044a000) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400006bba0, 0x40004fe000, 0xb6, 0xb6, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400006bba0, 0x40004fe000, 0xb6, 0xb6, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400006bba0, 0x4000492a01, 0x0, 0x400028c868) /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: 12:18:58 Registers: info registers vcpu 0 PC=ffff80001001d61c X00=fdff0000055c0000 X01=ffff800010003420 X02=ffff8000100036d0 X03=ffff8000100034a0 X04=36e680001027e724 X05=0000000000000002 X06=0000000000000002 X07=0000000000000002 X08=ffff80001000344c X09=00000000a99e0408 X10=000000000000000c X11=fbff000003400260 X12=0000000000000040 X13=0000000000000000 X14=0000000000000000 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=fdff0000055c0000 X20=ffff8000101270e0 X21=ffff800010003460 X22=f5ff000003001400 X23=0000000000000001 X24=ffff800011f00000 X25=ffff8000102778f0 X26=0000000000000000 X27=f5ff000003001400 X28=0000000000000000 X29=ffff8000100033f0 X30=ffff80001001d61c SP=ffff8000100033f0 PSTATE=80400009 N--- 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=6c9f1c0c6a39eeed:13face5a479c69f4 Z02=b4627dbaeb0c3fbf:ec998d7395a0be9b Z03=e3f639683dacedaa:e6eebde6662f0343 Z04=f2df038c4dedbbee:46f81b96d1f6568d Z05=e6e05371aaaccef7:c3b21a70bb50d347 Z06=0c67ed11c488cccc:78f3dcab7d81f3ad Z07=f6d3887eefffff00:00003fa1014024ee 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=2de5f63c20c4c2f3:0d0c76dc66c7646e Z17=99cae6c4faf01cee:bb4b0c8a2cd72cbf Z18=2ed1a4b55a86007b:b88bca76a7622db3 Z19=a16bcd09038029a3:4c50e63d81a08eaf Z20=412a2a4aae0785f3:34c14851b116e53e Z21=4ed866ebd692ee41:f76a25396f4b42db Z22=e11237fd45cfc610:1e113839618993f9 Z23=5e0a45a65f100c17:49c4b7d2b2954047 Z24=6b20657479622d32:3320646e61707865 Z25=97a6f8dd84eda3ad:a0662e6cb66b7e53 Z26=4945172755d8fbb7:b380f4927a73c2b9 Z27=1700000000000000:0000000000000002 Z28=1700000000000000:0000000000000003 Z29=1700000000000000:0000000000000004 Z30=0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000004 info registers vcpu 1 PC=fffffbfffdbfa7e0 X00=0000000000000001 X01=000000000032ad29 X02=0000000000000001 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=0000004000039c08 X21=000000400002cc00 X22=000000400005a000 X23=0000000000000000 X24=0000000000000000 X25=0000000000000000 X26=00000040002a9558 X27=0000000000000000 X28=0000004000001200 X29=0000004000039938 X30=00000000000432b8 SP=ffff800012d44000 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=0000000000000000:0000000000000003 Z08=0000000000000000:0000000000000003 Z09=0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000 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=000000000000000f:00000000aaee5b34 Z31=0000000000000000:0000000000000000