syzkaller login: [ 64.986328][ T3139] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 69.948281][ T3139] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 69.952863][ T3139] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:50960' (ECDSA) to the list of known hosts. 1970/01/01 00:01:25 fuzzer started 1970/01/01 00:01:29 dialing manager at localhost:45771 1970/01/01 00:01:30 syscalls: 2894 1970/01/01 00:01:30 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:30 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:30 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:30 setuid sandbox: enabled 1970/01/01 00:01:30 namespace sandbox: enabled 1970/01/01 00:01:30 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:30 fault injection: enabled 1970/01/01 00:01:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:30 net packet injection: enabled 1970/01/01 00:01:30 net device setup: enabled 1970/01/01 00:01:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:30 USB emulation: enabled 1970/01/01 00:01:30 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:30 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:30 802.15.4 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(0x400027eea0, 0x40001d4a80) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400027eea0, 0x400012a380, 0x7e, 0x7e, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400027eea0, 0x400012a380, 0x7e, 0x7e, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400027eea0, 0x400027da01, 0x0, 0x400028e568) /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: 12:23:44 Registers: info registers vcpu 0 PC=ffff8000110d2258 X00=ffff8000110d2250 X01=ffff8000110d2290 X02=0000000000000002 X03=0000000000000000 X04=f1ff000003a50000 X05=0000aaab028478a8 X06=0000aaab028478a8 X07=0007270e00000000 X08=0000000154222a05 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=0000000000004684 X22=ffff800012d4bd58 X23=0000000000000000 X24=0000ffffccd1be30 X25=0000000000000000 X26=ffff800012d4bdf8 X27=0000000000000000 X28=f1ff000003a50000 X29=ffff800012d4bce0 X30=8af78000110d22a8 SP=ffff800012d4bce0 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=20000578ff605e52:047b2952be021104 Z02=1df048a61a9fd993:922f695141ecc13a Z03=0d359f4ec86ae7bb:6befdb0dd92deb29 Z04=64e8628118b2e2d7:8a58e5da50363ec0 Z05=bf27c6be38b5d2c8:2e82e7cc94e7c48f Z06=e4ecff854522b4e9:458771327134f63d Z07=d0e45eea36069409:634d7903e25904d3 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=57af521590004f42:158cc99503bbb7af Z17=b6064520d062ffe2:0f1669f7f9011111 Z18=ca0344733c0b5269:f7155ea46554c617 Z19=51e3f1c0d0a4435b:165b4c86e3255b5c Z20=d30dd6f41cc36b6d:4c37bbb4eedf436d Z21=64f5bd49579c8bd4:90e84f7a6b69d9b8 Z22=752dad3bbb899467:37777064820ff252 Z23=4e24d31b5a4e6bab:923ab7fc3a5eff2c Z24=6b20657479622d32:3320646e61707865 Z25=0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000004 info registers vcpu 1 PC=00000000000645f8 X00=0000000000000007 X01=00000000004c3100 X02=0000000000000280 X03=000000000058dd60 X04=0000000000000007 X05=0000000000000000 X06=0000000000000000 X07=000000000058deef X08=000000400003d970 X09=0000000000000010 X10=0000000000000010 X11=000000000058dd50 X12=0000000000693510 X13=000000000074e7c0 X14=0000000000000000 X15=0000000000000001 X16=0000000000057c03 X17=0000000000057840 X18=0000000000000000 X19=0000000000000098 X20=000000400003dc08 X21=000000400002c400 X22=000000400003e000 X23=0000000000000000 X24=0000000000000000 X25=0000000000000000 X26=00000040002bf558 X27=2e656d69746e7572 X28=0000004000000900 X29=000000400003d9c8 X30=0000000000064640 SP=000000400003d9d0 PSTATE=80000000 N--- EL0t 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=696e61706e61632e:656d69746e757200 Z02=6d63696e61702e65:6d69746e75720063 Z03=0000000000000000:0000000000000001 Z04=0000000000000000:0000000000000400 Z05=4010040140100401:4010040140100401 Z06=0000000400000001:0000000400000001 Z07=676e7220746e6972:6620326d67616c66 Z08=ffffffffffffffff:ffffffffffffffff Z09=ffffffffffffffff:ffffffffffffffff Z10=ffffffffffffffff:ffffffffffffffff Z11=ffffffffffffffff:ffffffffffffffff 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=0000000000000018:0000000026ee9354 Z31=0000000000000000:0000000000000000