syzkaller login: [ 69.578229][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 69.590321][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 69.605613][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:47103' (ECDSA) to the list of known hosts. 1970/01/01 00:01:22 fuzzer started 1970/01/01 00:01:26 dialing manager at localhost:45771 1970/01/01 00:01:26 syscalls: 2894 1970/01/01 00:01:26 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:26 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:26 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:26 setuid sandbox: enabled 1970/01/01 00:01:26 namespace sandbox: enabled 1970/01/01 00:01:26 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:26 fault injection: enabled 1970/01/01 00:01:26 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:26 net packet injection: enabled 1970/01/01 00:01:26 net device setup: enabled 1970/01/01 00:01:26 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:26 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:26 USB emulation: enabled 1970/01/01 00:01:26 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:26 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:26 802.15.4 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(0x400027e4e0, 0x400044e700) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400027e4e0, 0x40004c0070, 0x66, 0x66, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400027e4e0, 0x40004c0070, 0x66, 0x66, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400027e4e0, 0x4000303a01, 0x0, 0x400028c4f8) /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: 12:18:19 Registers: info registers vcpu 0 PC=ffff8000110d2258 X00=ffff8000110d2250 X01=000000000000359a X02=0000000000000002 X03=0000000000000003 X04=f7ff000003120400 X05=0000000000000008 X06=00000000000001ad X07=0000000000000000 X08=0000000000000253 X09=0000000000000000 X10=ffff80006d4d3000 X11=0000000000000000 X12=0000000000000008 X13=0000000000000000 X14=0000000000000002 X15=00006bceaaf8b69e X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=ffff80001281e688 X20=ffff80001281e680 X21=0000000000000000 X22=0000000000000004 X23=ffff80001281e688 X24=0000000000000028 X25=0000000000000001 X26=0000000000000008 X27=0000000000000000 X28=ffff00007fbb87c0 X29=ffff800012b3baf0 X30=b6f080001013c2a0 SP=ffff800012b3baf0 PSTATE=804000c9 N--- 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=662d7a79732f7265:6c6c616b7a79732f Z02=006f672e72657a7a:75662f72657a7a75 Z03=0000000000000000:0000000000000000 Z04=4000000000000000:0000000000000000 Z05=4010040140100401:4010040140100401 Z06=4000000000000000:4000000000000000 Z07=0000000000000000:3fec951b00a4a359 Z08=0000000000000000:3f77c5ac69901280 Z09=0000000000000000:3fe462a7840545d2 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=000000000000000e:000000000adef145 Z31=0000000000000000:0000000000000000 info registers vcpu 1 PC=ffff800010118e44 X00=0000000000000080 X01=f1ff00000312cc40 X02=0000000000000000 X03=0000000000004000 X04=0000000000000017 X05=ffff800012719000 X06=ffff800012707000 X07=0000000000000017 X08=fefefefefefefeff X09=fcff000003381274 X10=fefefefefefefeff X11=7f7f7f7f7f7f7f7f X12=0101010101010101 X13=0000000000000030 X14=ffffffffffffffff X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=ffff800012a7ee40 X20=0000000000000000 X21=0000000000001a5f X22=000000000000005e X23=f8ff000003018000 X24=0000000000000038 X25=00000000000034bf X26=ffff800012707980 X27=ffff800012719788 X28=0000000000000000 X29=ffff800012d8bd20 X30=7fc68000113cafe8 SP=ffff800012d8bd20 PSTATE=20400009 --C- 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=becdadb7dcecc08f:f4c3cef2c3451836 Z02=4b2daddd07cdb5ef:b6d3ab4db23f69dd Z03=cca3a3c5a66c5f31:ac9aee55c35d998b Z04=e69e607ffb82bb6a:13fecf767fdf951b Z05=9ee50b6a671ee27d:67999b34abe19a15 Z06=56cef6eefdbbd9ef:d996d98b533dcce1 Z07=2f4398930948f651:f1345b2e36682537 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=78bc1338bd3855b2:df15f9c5f035c00a Z17=76a466a3efe4bb31:24c353e150faa6c5 Z18=89e536565b71b81b:4364e5257715ce6e Z19=6879acb56d700967:10805e535e7122ee Z20=ed813f00ac0c7d30:1b540bf82683d979 Z21=df90d6b0e5a4df64:dee63e8ad2c56841 Z22=dee92fe0c47e9948:46c96f0fb1fb2949 Z23=fb46cc19818865c3:3018e3628aae6a0d Z24=6b20657479622d32:3320646e61707865 Z25=e2cfa2c8bbfe74d6:a2d52d9c9a390506 Z26=a316cc306c89dd03:4b2c501958bc4bd8 Z27=2000000000000000:0000000000000002 Z28=2000000000000000:0000000000000003 Z29=2000000000000000:0000000000000004 Z30=1300000000000000:0000000000000016 Z31=0000000000000000:0000000000000004