syzkaller login: [ 89.186518][ T3147] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 89.201173][ T3147] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 89.205586][ T3147] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:21083' (ECDSA) to the list of known hosts. 1970/01/01 00:01:49 fuzzer started 1970/01/01 00:01:53 dialing manager at localhost:34223 1970/01/01 00:01:54 syscalls: 2890 1970/01/01 00:01:54 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:54 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:54 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:54 setuid sandbox: enabled 1970/01/01 00:01:54 namespace sandbox: enabled 1970/01/01 00:01:54 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:54 fault injection: enabled 1970/01/01 00:01:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:54 net packet injection: enabled 1970/01/01 00:01:54 net device setup: enabled 1970/01/01 00:01:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:54 USB emulation: enabled 1970/01/01 00:01:54 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:54 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:54 802.15.4 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(0x400007c340, 0x40004505c0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400007c340, 0x400031e000, 0x2d72, 0x2d72, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400007c340, 0x400031e000, 0x2d72, 0x2d72, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400007c340, 0x4000450001, 0x0, 0x4000012230) /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: 12:01:06 Registers: info registers vcpu 0 PC=ffff80001002c658 X00=ffff80001105bbb4 X01=0000000000000000 X02=0000000000000000 X03=1fffe000024d3001 X04=ffff700002000d8e X05=00000000f2f2f200 X06=0000000000000140 X07=fbfbfbfbfbfbfbfb X08=ffff60000210001c X09=000000000000f1f1 X10=ffff700002000d72 X11=1ffff00002000d72 X12=ffff700002000d73 X13=0000000000000001 X14=1ffff00002000d94 X15=1fffe00002765235 X16=0000000000000000 X17=0000000000000000 X18=ffff000013b291b0 X19=ffff800010006b80 X20=ffff800010007920 X21=ffff800010007920 X22=ffff800010006c40 X23=0000000000000002 X24=0000000000000030 X25=ffff800010006a80 X26=0000000000000000 X27=ffff800010006b88 X28=ffff000008947980 X29=ffff800010006af0 X30=ffff80001002c680 SP=ffff800010006ab0 PSTATE=600000c5 -ZC- EL1h FPCR=00000000 FPSR=00000010 Q00=4899e2c229869a10:5ca6b4c1678b64b1 Q01=0000000000000000:411d4be000000000 Q02=5037772dca44bf2d:c39d44f26441549c Q03=0000000000000000:0000000000000000 Q04=0000000000000000:0000000000000400 Q05=4010040140100401:4010040140100401 Q06=0000000400000000:0000000400000000 Q07=1a14b3f99ab387d8:143c4aebb216e601 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=000000000000000b:000000002bb07e37 Q31=0000000000000000:0000000000000000 info registers vcpu 1 PC=ffff80001015e308 X00=ffff000008af4ec8 X01=0000000000000003 X02=0000000000000000 X03=1fffe0000115e9d9 X04=1fffe0000115e9d9 X05=0000000000000000 X06=00000000f3f3f3f3 X07=ffff8000173e57a0 X08=ffff800015f0ac00 X09=1fffe0000115eb0b X10=0000000000000007 X11=1fffe0000115eb03 X12=000000000000044d X13=0000000000000001 X14=1ffff00003096ef2 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=0000000000000201 X20=0000000000000200 X21=ffff8000136af740 X22=ffff000008af4ec0 X23=1fffe0000175f191 X24=ffff00000baf8c88 X25=ffff000013ee2a00 X26=ffff00001211b480 X27=1ffff00003096f7a X28=1fffe000027dc544 X29=ffff8000184b78f0 X30=ffff8000136af76c SP=ffff8000184b78f0 PSTATE=10000005 ---V EL1h FPCR=00000000 FPSR=00000000 Q00=0000000000000000:0000000000000000 Q01=7fe2975f91757f0f:cd5df3cff5ff38ff Q02=fcfd7869fe9b187f:a8959f37fc10e5fd Q03=ddfabfddfa07e117:d3fe3df8ff441af5 Q04=0ff01f9fb87fedfb:f9ff7dfdbe5f77d6 Q05=997eb9bf5fefd19f:77ccbf1f9bf6fdbf Q06=fbbfc7f77ffbff5f:e9ffb7fc7f0ffe66 Q07=6fcdfb3fc93e5fce:0844ff9fbbfc7f37 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=2dc7ca05d5f98f4c:385b820b28d8239b Q17=a815565ba03462f1:114bc25f53f11645 Q18=b14d22ec8f5a8499:2ac36496fb4f5a86 Q19=4b14d6b677faae13:410e35552e637cc8 Q20=d0074bb8645f5579:97e8630492324be9 Q21=e798d5772dd02a99:e8db31218af607ae Q22=c1cb64d35f074081:0b1349c1aa00f4d2 Q23=9040e21c7cc55c11:75cbf796697afa58 Q24=6b20657479622d32:3320646e61707865 Q25=89866d84bda9fd1c:f377a9c7f3f8532c Q26=667aff469524f871:1b6233a6538cd0bb Q27=2500000000000000:0000000000000002 Q28=2500000000000000:0000000000000003 Q29=2500000000000000:0000000000000004 Q30=2400000000000000:000000000000000e Q31=0000000000000000:0000000000000004