syzkaller login: [ 73.084714][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 73.091496][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 73.097785][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:8210' (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 00:01:26 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(0x400006a1a0, 0x4000365440) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400006a1a0, 0x40002e0120, 0x102, 0x102, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400006a1a0, 0x40002e0120, 0x102, 0x102, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400006a1a0, 0x400047a001, 0x0, 0x40000800d0) /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: 12:20:20 Registers: info registers vcpu 0 PC=ffff8000110d2258 X00=ffff8000110d2250 X01=ffff8000110d2290 X02=0000000000000000 X03=0000000000000000 X04=0000000000000000 X05=ffff800012d5bd78 X06=ffff800012d5bd78 X07=00000000000001a4 X08=0000000000000000 X09=0000000000000000 X10=0000000000000000 X11=0000000000000000 X12=0000000000000000 X13=0000000000000000 X14=0000000000000000 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=0000000000000000 X20=ffff800012983880 X21=00000000000042d2 X22=ffff800012d5bdf8 X23=0000000000000000 X24=0000ffffd7307970 X25=0000000000000000 X26=00000000000001a4 X27=0000000000000000 X28=f3ff000003830000 X29=ffff800012d5bd40 X30=b8dc8000110d22a8 SP=ffff800012d5bd40 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=23313ce27bcb6ea8:58f0b289d8179185 Z02=e3679a62934373cc:51528ce262668a9b Z03=d6edc4b5ebceed70:0ae759589e3188af Z04=03895efbd713b822:0b57815917f25ad3 Z05=aa0de0f326e51b7e:30a5751f551849d7 Z06=b4f5dd4d1e771542:413a9df988016ced Z07=98bacf7ae7c8b753:1169b1b3cbe6a7af 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=e8a641533535da39:e31fa815a07321a6 Z17=57ff99202b933bab:4c93c21b0b08cc32 Z18=63b6be77b6b19301:ad8bdacd4b19079a Z19=6b96d218690d780a:5c43f0a7f1643eb4 Z20=7a05aa07e60b2e30:7b7563ddc614d691 Z21=e6accbed1d8c143e:f315ba184ae6ba56 Z22=ce0f332770903689:e0cae17271a986e8 Z23=004dcd890734a30f:33aa82b38fa8f60f Z24=6b20657479622d32:3320646e61707865 Z25=3927a3b8929c5a3c:95f148cd01ef3358 Z26=6fd8b2fdef42ae55:914ca35750a145ae Z27=3700000000000000:000000000000000a Z28=3700000000000000:000000000000000b Z29=3700000000000000:000000000000000c Z30=3700000000000000:000000000000000e Z31=0000000000000000:0000000000000004 info registers vcpu 1 PC=000000000005eb18 X00=0000000000290708 X01=0000000000009cbe X02=0000000000009cbe X03=0000000000290724 X04=0000000000290708 X05=0000000000000001 X06=0000000000290708 X07=0000000000693600 X08=0000000000000003 X09=0000000000290708 X10=ffffffffffffffff X11=00000000001475d7 X12=0000000000693448 X13=000000000074e7c0 X14=0000000000000000 X15=0000000000000001 X16=0000000000290708 X17=00000000002906b0 X18=0000000000000000 X19=0000000000000098 X20=000000400003dc08 X21=000000400003df40 X22=000000400003e000 X23=0000000000000000 X24=0000000000000000 X25=0000000000000000 X26=00000040000b5558 X27=2e656d69746e7572 X28=0000004000000780 X29=000000400003d8f8 X30=000000000005f0a8 SP=000000400003d900 PSTATE=20000000 --C- 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=e00102df3a02e005:020064656c62616e Z02=0019018412018361:04da000302df4902 Z03=0000000000000000:0010000000000000 Z04=4000000000000000:0000040000000000 Z05=4010040140100401:4010040140100401 Z06=4000040000001000:4000040000001000 Z07=0000000000000000:3ff83f46306e13a1 Z08=0000000000000000:3fc6d3c39e4f0ddc Z09=0000000000000000:3fe17c888b3c1a9c Z10=0000000000000000:3fe0000000000000 Z11=357fb518253a39be:a312f9774c643531 Z12=3416989c8691014f:379f1650e17df1ab Z13=1cce2d3f5e3eb128:f23d864db029c3a8 Z14=e3f857eb1cf2eed1:8a945fb11b8e554c Z15=c071d153eb9460e7:9aacac53b8ff8726 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=000000000000001c:00000000645d6e71 Z31=0000000000000000:0000000000000000