syzkaller login: [ 97.117401][ T3144] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 97.129635][ T3144] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 97.139900][ T3144] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:40662' (ECDSA) to the list of known hosts. 1970/01/01 00:01:52 fuzzer started 1970/01/01 00:01:56 dialing manager at localhost:38019 1970/01/01 00:01:56 syscalls: 2839 1970/01/01 00:01:56 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:56 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:56 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:56 setuid sandbox: enabled 1970/01/01 00:01:56 namespace sandbox: enabled 1970/01/01 00:01:56 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:56 fault injection: enabled 1970/01/01 00:01:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:56 net packet injection: enabled 1970/01/01 00:01:56 net device setup: enabled 1970/01/01 00:01:56 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:56 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:56 USB emulation: enabled 1970/01/01 00:01:56 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:56 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:56 802.15.4 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(0x4000304ea0, 0x40001b1a80) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x4000304ea0, 0x4000104000, 0xb3, 0xb3, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x4000304ea0, 0x4000104000, 0xb3, 0xb3, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x4000304ea0, 0x40001b1001, 0x0, 0x4000290718) /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: 11:53:12 Registers: info registers vcpu 0 PC=0000ffffadd7e304 X00=0000000000000007 X01=0000ffffc0a958d8 X02=0000000000000001 X03=0000000000000080 X04=0000ffffadd7c000 X05=0000ffffc0a95ac0 X06=0000000131ae4045 X07=0000000000005ae6 X08=0000ffffadd7c070 X09=00000000016d205e X10=0000ffffadd7f6d0 X11=0000000003622ccd X12=0000000002ceeaee X13=000000007fffffff X14=00000000035d11ca X15=00000000016d205e X16=0000aaaae690b2c0 X17=0000ffffad8d9800 X18=00000000c360ae9d X19=0000000000000007 X20=0000ffffc0a958d8 X21=0000aaaae690b000 X22=0000000000000001 X23=0000000000000008 X24=0000aaab14c6b3c0 X25=0000000000000000 X26=0000aaab14c77ec0 X27=0000000000000000 X28=0000aaab14c6b3c0 X29=0000ffffc0a95840 X30=0000ffffad8d9828 SP=0000ffffc0a95840 PSTATE=00000000 ---- EL0t FPCR=00000000 FPSR=00000000 Q00=0000000000000000:0000000000000000 Q01=1add0b2a05741054:46387a609a3a38ea Q02=b76988a6b5518acd:35d822259294ac11 Q03=d77c407987c7160a:fd99be386212d311 Q04=43b6b5ef13aebd3c:b8b34fb7bedcb663 Q05=d3927ae741a6d43b:91d0fc7311dae7a8 Q06=9be7bd185d1624fb:eb9610e7be29206f Q07=aab52fb27b2b7696:6cc317d47e71b7b9 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=1bb69941b5df9406:7cf3650de418fa3b Q17=2f5e8840bf0b55b6:b5a9b39156882af8 Q18=dbaa3e4b5184882e:d0db690e5afca8c8 Q19=21f44e25dccd9848:7f48c3296ed54e84 Q20=5795b1a1d1ac3134:2ac8b5253fe49c6e Q21=c19465d068559ee5:771c3fe4c4e4337e Q22=d411bff8f83a72e6:9ec3541eace88801 Q23=92c751c70966dd14:f95bc5950f6163c7 Q24=6b20657479622d32:3320646e61707865 Q25=c543ce0e530c8cea:6a31e5a9cb02ee11 Q26=504100f0642acb83:4ac9a7d664c3516a Q27=1d00000000000000:0000000000000006 Q28=1d00000000000000:0000000000000007 Q29=1d00000000000000:0000000000000008 Q30=1900000000000000:000000000000000e Q31=0000000000000000:0000000000000004 info registers vcpu 1 PC=ffff8000111ecf00 X00=ffff8000181a1000 X01=0000000000000000 X02=1ffff00002bedf48 X03=1fffe0000111f000 X04=1fffe0000d565986 X05=ffff70000302ef7e X06=dfff800000000000 X07=00000000f1f1f1f1 X08=ffff800015f0ac00 X09=1fffe000012e27cd X10=0000000000000007 X11=1fffe000012e27bb X12=0000000000000033 X13=0000000000000001 X14=1ffff0000302ef5c X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=ffff800015f6f918 X20=000000000000001e X21=ffff0000088f4500 X22=ffff800015f6f918 X23=000000000000000b X24=ffff8000145403a0 X25=ffff800054c09000 X26=ffff800054c09000 X27=0000000000000001 X28=ffff8000184d75f0 X29=ffff800018177ea0 X30=ffff8000102c9d34 SP=ffff800018177ea0 PSTATE=200000c5 --C- EL1h FPCR=00000000 FPSR=00000010 Q00=0000000000000000:0000000000000000 Q01=702f676f72702f72:656c6c616b7a7973 Q02=656c6c616b7a7973:2f006f672e6f6972 Q03=0000000000000000:0000000000000000 Q04=0000000000000000:0010000000000000 Q05=4010040140100401:4010040140100401 Q06=0000100000000000:0000100000000000 Q07=ac81240023991d59:0837372b860e4490 Q08=0000000000000000:0000000000000029 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=0000000000000026:000000000a78e1b3 Q31=0000000000000000:0000000000000000