syzkaller login: [ 69.880876][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 69.887324][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 69.892295][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:32013' (ECDSA) to the list of known hosts. 1970/01/01 00:01:21 fuzzer started 1970/01/01 00:01:25 dialing manager at localhost:45771 1970/01/01 00:01:25 syscalls: 2894 1970/01/01 00:01:25 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:25 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:25 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:25 setuid sandbox: enabled 1970/01/01 00:01:25 namespace sandbox: enabled 1970/01/01 00:01:25 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:25 fault injection: enabled 1970/01/01 00:01:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:25 net packet injection: enabled 1970/01/01 00:01:25 net device setup: enabled 1970/01/01 00:01:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:25 USB emulation: enabled 1970/01/01 00:01:25 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:25 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:25 802.15.4 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(0x40002bc4e0, 0x4000079a40) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x40002bc4e0, 0x400039e000, 0x92, 0x92, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x40002bc4e0, 0x400039e000, 0x92, 0x92, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x40002bc4e0, 0x4000078e01, 0x0, 0x40000802f8) /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: 12:08:58 Registers: info registers vcpu 0 PC=ffff8000110d2258 X00=ffff8000110d2250 X01=fbff0000030c3d00 X02=0000000000000001 X03=dead000000000122 X04=ffff00007b7861a8 X05=0000000000000078 X06=0000000000000000 X07=ffff00007fbc3480 X08=ffff00007fbc3500 X09=00000000000005cf X10=0000000000000166 X11=0000000000000000 X12=0000000000000000 X13=0000000000000001 X14=00000000000003d9 X15=000000eef4d4e066 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=ffff80001281e688 X20=ffff80001281e680 X21=0000000000000000 X22=0000000000000004 X23=ffff80001281e688 X24=0000000000000028 X25=ffff800012934000 X26=ffff80001281d280 X27=0000000000000000 X28=0000000000000000 X29=ffff800012b43c80 X30=b78d80001013c2a0 SP=ffff800012b43c80 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=407206f8ddc3781f:26064803703a83cb Z01=0000000000000000:4112582000000000 Z02=d0b89f043875974e:c048d01582f96243 Z03=0000000000000000:0000000000000000 Z04=0000000000000000:0000000000000400 Z05=4010040140100401:4010040140100401 Z06=0000000400000000:0000000400000000 Z07=0000000000000000:3fed1bd7020dda6f Z08=0000000000000000:3fc11c3e55af0fe4 Z09=0000000000000000:3fe38c75f0318618 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=0000000000000007:0000000049476f82 Z31=0000000000000000:0000000000000000 info registers vcpu 1 PC=ffff8000102730a0 X00=ffff80006d4eb000 X01=0000000000000001 X02=0000000000082cc0 X03=0000000000000001 X04=fcff000006152060 X05=fcff000006152400 X06=ffff000006152000 X07=00000000001fffff X08=ffff800012d5388c X09=0000000000000000 X10=0000000000000000 X11=0000000000000000 X12=0000000000000000 X13=0000000000000000 X14=0000000000000000 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=fbff0000060ca400 X20=fcff000006152000 X21=0000000000000001 X22=f8ff000003160100 X23=0000000000000cc0 X24=00000000ffffffff X25=ffff800012d53c88 X26=0000000000000000 X27=f5ff0000061708c0 X28=f5ff000006170a28 X29=ffff800012d53a60 X30=ffff80001021623c SP=ffff800012d53a60 PSTATE=60400009 -ZC- 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=83112b686591f3ea:878fe9133753d828 Z02=6218dd816a88b0a3:9b5934cb93e037f1 Z03=d7957fd6ee7702b5:438ef6fa3978357b Z04=898000f1a42bbefe:50abc70299edc2c6 Z05=c0c588aa19b4e0fc:f157ec3f29c7ab57 Z06=1357752321ce56e9:42438b6eec4ff6fb Z07=8a6dcb3cf994ec70:02e47447e04979b8 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=90c23d46a7cbc3db:cf0c18ec76f10040 Z17=874604d9364299ab:5575104f0e3163e5 Z18=dcad0298758401d5:bff9f10c6f6afa8f Z19=ec12d1f72b2b431a:dc684770ea43e7b6 Z20=4850a55640356d88:4067a700ef203b77 Z21=a6358cfcc4b0d642:65cfecda47f3cb7e Z22=c3fe606d223dd73b:c209084b66bc05c6 Z23=c99468b9daa657e7:db9e5bbea93d7a9c Z24=6b20657479622d32:3320646e61707865 Z25=685a674831be73ca:f7722d1c0f012d04 Z26=c8bef5fd677e58fe:08e9200c0c683eaa Z27=1d00000000000000:000000000000000e Z28=1d00000000000000:000000000000000f Z29=1d00000000000000:0000000000000010 Z30=1d00000000000000:000000000000000e Z31=0000000000000000:0000000000000004