syzkaller login: [ 72.087220][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 72.093432][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 74.226282][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:12119' (ECDSA) to the list of known hosts. 1970/01/01 00:01:28 fuzzer started 1970/01/01 00:01:32 dialing manager at localhost:45771 1970/01/01 00:01:32 syscalls: 2894 1970/01/01 00:01:32 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:32 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:32 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:32 setuid sandbox: enabled 1970/01/01 00:01:32 namespace sandbox: enabled 1970/01/01 00:01:32 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:32 fault injection: enabled 1970/01/01 00:01:32 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:32 net packet injection: enabled 1970/01/01 00:01:32 net device setup: enabled 1970/01/01 00:01:32 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:32 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:32 USB emulation: enabled 1970/01/01 00:01:32 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:32 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:32 802.15.4 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(0x400006a820, 0x40002899c0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400006a820, 0x400010a090, 0x81, 0x81, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400006a820, 0x400010a090, 0x81, 0x81, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400006a820, 0x4000289001, 0x0, 0x4000012d18) /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: 12:03:03 Registers: info registers vcpu 0 PC=fffffbfffdbfa400 X00=0000000000000002 X01=0000fffff4d61391 X02=0000000000000003 X03=0000000000000000 X04=0000000000000000 X05=0000000000000000 X06=0000fffff4d61330 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=0000fffff4d61380 X21=00000000013d6d40 X22=0000004000002000 X23=0000000000000000 X24=0000000000000000 X25=0000000000000000 X26=000000400032d558 X27=00000000000437c0 X28=00000000013d6980 X29=0000fffff4d612c8 X30=00000000000432b8 SP=ffff800012d0c000 PSTATE=024003c9 ---- 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=7403707353b7e575:b37d0cbcdf52b1fb Z08=0000000000000000:3fa74673925e5730 Z09=0000000000000000:3fe4f42c796e9cde 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=0000000000000024:00000000ba2664e7 Z31=0000000000000000:0000000000000000 info registers vcpu 1 PC=ffff8000110d2258 X00=ffff8000110d2250 X01=ffff8000110d2290 X02=0000000000000002 X03=0000000000000000 X04=f7ff000003858000 X05=0000aaaae9519b98 X06=0000aaaae9519b98 X07=0015752a00000000 X08=000000015d316972 X09=0000000000000000 X10=0000000000000010 X11=0000000000000000 X12=0000000000000000 X13=0000000000000000 X14=0000000000000000 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=0000000000000000 X20=ffff800012983880 X21=00000000000047bc X22=ffff800012d33d58 X23=0000000000000000 X24=0000fffffcdc3aa0 X25=0000000000000000 X26=ffff800012d33df8 X27=0000000000000000 X28=f7ff000003858000 X29=ffff800012d33ce0 X30=4a888000110d22a8 SP=ffff800012d33ce0 PSTATE=00400009 ---- 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=b4613a8f1ba08f67:e7d61e5173374b50 Z02=c3ba7e08850e7b26:4ca7de3cfa3bb632 Z03=3237e7f61bc676ed:b8f7e33b54537da0 Z04=a173ce4bb792ed47:03e900d135b7ff89 Z05=91da343d174f3d09:3b6f4b4661df347d Z06=80ba4998e30d67b3:d3dbd53916b2c449 Z07=35908aff7866938f:3cdc2731701d070a 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=dc0cfd241a72c248:8c82fead484a9749 Z17=e4733df552109e7e:2808888cad7095dd Z18=eb394fa9719b9ab8:82662cb2482241f0 Z19=30f6aaf63f7d38af:52ad732b5254c7e7 Z20=cdd7373747768cb6:264e1899ab856c74 Z21=e5ffd7b969dae14d:6f76faeae67bcd3b Z22=d990ea992b66438d:2e2f491cbc5feae5 Z23=e43ab8acb64cca5c:726265f521066d8e Z24=6b20657479622d32:3320646e61707865 Z25=0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000004