syzkaller login: [ 93.832226][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 93.851008][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 93.870802][ T3142] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:8100' (ECDSA) to the list of known hosts. 1970/01/01 00:01:57 fuzzer started 1970/01/01 00:02:02 dialing manager at localhost:34223 1970/01/01 00:02:03 syscalls: 2890 1970/01/01 00:02:03 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:02:03 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:02:03 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:02:03 setuid sandbox: enabled 1970/01/01 00:02:03 namespace sandbox: enabled 1970/01/01 00:02:03 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:02:03 fault injection: enabled 1970/01/01 00:02:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:02:03 net packet injection: enabled 1970/01/01 00:02:03 net device setup: enabled 1970/01/01 00:02:03 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:02:03 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:02:03 USB emulation: enabled 1970/01/01 00:02:03 hci packet injection: /dev/vhci does not exist 1970/01/01 00:02:03 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:02:03 802.15.4 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, 0x4000256000) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400006a820, 0x400028ca80, 0x2e, 0x2e, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400006a820, 0x400028ca80, 0x2e, 0x2e, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400006a820, 0x4000079501, 0x0, 0x40000126b8) /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: 12:21:50 Registers: info registers vcpu 0 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=0000000000000000 X02=0000000000000000 X03=1fffe0000d55e380 X04=000000000022eb3d X05=0000000000000000 X06=00000000f3f3f3f3 X07=ffff8000173e57a0 X08=ffff800015f0ac00 X09=1fffe000012137c3 X10=0000000000000007 X11=1fffe000012137bb X12=0000000000000088 X13=0000000000000001 X14=1ffff000030a0f8e X15=1fffe00001412d95 X16=0000000000000000 X17=0000000000000000 X18=ffff00000a096cb0 X19=ffff8000161854b0 X20=0000000000000000 X21=0000000000000003 X22=0000000000000028 X23=ffff800016185540 X24=dfff800000000000 X25=ffff800016185480 X26=0000000000000004 X27=ffff8000161854b0 X28=ffff00000909b480 X29=ffff800018507d00 X30=ffff800010358478 SP=ffff800018507d00 PSTATE=600003c5 -ZC- EL1h FPCR=00000000 FPSR=00000000 Q00=0000000000000000:0000000000000000 Q01=903fe2c6395f55dc:86281a1a63060060 Q02=6efd1c772beb9b95:e297e1b186c4b304 Q03=7e7889e11ad97db4:2a12e1231239c729 Q04=60f45d87c64af465:00ee5dcf25f61827 Q05=c7f74e4326ce58f1:b22e31965d6579dc Q06=a91a6f9b0deae02b:07c3b6f2e18f7a16 Q07=43cde7f05997e6e6:fb1d448ab0d1eeba Q08=0000000000000000:0000000000000000 Q09=0000000000000000:0000000000000000 Q10=0000000000000000:0000000000000000 Q11=0000000000000000:0000000000000000 Q12=0000000000000000:0000000000000000 Q13=0000000000000000:0000000000000000 Q14=0000000000000000:0000000000000000 Q15=0000000000000000:0000000000000000 Q16=3432949ff519c728:b457c08bec9474eb Q17=662b2b64a492282c:95054baf70417d1f Q18=75ea3d0620aafada:6f3d7ca591d7112b Q19=65ee5990597f3960:d5f094f10592b7fc Q20=e11182f140c2c278:69643ab1547eed2f Q21=5ab6bc53179f3737:b74fdb6b1b37d6b5 Q22=dc06f253b5501a58:3f5b880e58c137bd Q23=2185476aa63fadc4:6a8b26964213af17 Q24=6b20657479622d32:3320646e61707865 Q25=0000000000000000:0000000000000000 Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000 Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000 Q30=0000000000000000:0000000000000000 Q31=0000000000000000:0000000000000004 info registers vcpu 1 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=0000000000000000 X02=0000000000000000 X03=1fffe0000d562780 X04=000000000022eb3d X05=0000000000000000 X06=00000000f3f3f3f3 X07=ffff8000173e57a0 X08=ffff800015f0ac00 X09=1fffe000012167c3 X10=0000000000000007 X11=1fffe000012167bb X12=0000000000000088 X13=0000000000000001 X14=1ffff000030a4f8e X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=ffff8000161854b0 X20=0000000000000000 X21=0000000000000003 X22=0000000000000028 X23=ffff800016185540 X24=dfff800000000000 X25=ffff800016185480 X26=0000000000000004 X27=ffff8000161854b0 X28=ffff0000090b3480 X29=ffff800018527d00 X30=ffff800010358478 SP=ffff800018527d00 PSTATE=600003c5 -ZC- EL1h FPCR=00000000 FPSR=00000010 Q00=0000000000000000:0000000000000000 Q01=662d7a79732f7265:6c6c616b7a79732f Q02=006f672e72657a7a:75662f72657a7a75 Q03=0000000000000000:0000000000000000 Q04=4000000000000000:0000000000000000 Q05=4010040140100401:4010040140100401 Q06=4000000000000000:4000000000000000 Q07=0000000000000000:0000000000000000 Q08=0000000000000000:0000000000000000 Q09=0000000000000000:0000000000000000 Q10=0000000000000000:0000000000000000 Q11=0000000000000000:0000000000000000 Q12=0000000000000000:0000000000000000 Q13=0000000000000000:0000000000000000 Q14=0000000000000000:0000000000000000 Q15=0000000000000000:0000000000000000 Q16=0000000000000000:0000000000000000 Q17=0000000000000000:0000000000000000 Q18=0000000000000000:0000000000000000 Q19=0000000000000000:0000000000000000 Q20=0000000000000000:0000000000000000 Q21=0000000000000000:0000000000000000 Q22=0000000000000000:0000000000000000 Q23=0000000000000000:0000000000000000 Q24=0000000000000000:0000000000000000 Q25=0000000000000000:0000000000000000 Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000 Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000 Q30=000000000000000f:000000007cd2bdaf Q31=0000000000000000:0000000000000000