syzkaller login: [ 92.085434][ T3144] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 92.133523][ T3144] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 92.137913][ T3144] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:1873' (ECDSA) to the list of known hosts. 1970/01/01 00:01:41 fuzzer started 1970/01/01 00:01:45 dialing manager at localhost:38019 1970/01/01 00:01:46 syscalls: 2839 1970/01/01 00:01:46 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:46 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:46 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:46 setuid sandbox: enabled 1970/01/01 00:01:46 namespace sandbox: enabled 1970/01/01 00:01:46 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:46 fault injection: enabled 1970/01/01 00:01:46 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:46 net packet injection: enabled 1970/01/01 00:01:46 net device setup: enabled 1970/01/01 00:01:46 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:46 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:46 USB emulation: enabled 1970/01/01 00:01:46 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:46 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:46 802.15.4 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(0x400006a9c0, 0x400031fa00) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400006a9c0, 0x4000094180, 0x60, 0x60, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400006a9c0, 0x4000094180, 0x60, 0x60, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400006a9c0, 0x400031ef01, 0x0, 0x4000012b18) /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: 12:22:02 Registers: info registers vcpu 0 PC=ffff800013194ab8 X00=ffff800013194ab0 X01=ffff800013194af0 X02=0000000000000000 X03=1fffe0000d55e380 X04=00000000f204f1f1 X05=ffff700002000f7e X06=dfff800000000000 X07=00000000f1f1f1f1 X08=ffff800015f0ac00 X09=1fffe00001fc7138 X10=0000000000000007 X11=1fffe00001fc712b X12=0000000000000033 X13=0000000000000001 X14=1ffff00002000f5c X15=ffff000014d8a080 X16=0000000000000000 X17=0000000000000000 X18=ffff000014d8a0b8 X19=ffff8000161777c0 X20=000000000000531a X21=000000000000531a X22=dfff800000000000 X23=00000018ae17a400 X24=0000000000000001 X25=ffff800016177d40 X26=ffff00006aaf8628 X27=ffff00006aaf86a8 X28=dfff800000000000 X29=ffff800010007cb0 X30=ffff800013194b08 SP=ffff800010007cb0 PSTATE=600000c5 -ZC- EL1h FPCR=00000000 FPSR=00000000 Q00=0000000000000000:0000000000000000 Q01=6db3ab76dd0e296d:d1961be9d0655e24 Q02=1952aeaa5ce3e052:6a15391a53bbb6f5 Q03=ce3c780d931a31e6:70b963c631342cf6 Q04=f290a20ac0fd715e:6d09314778ae74cf Q05=5af2251f8e38bbf3:a0ae74db03b35588 Q06=7f47b31666c8e715:2728c47e98bfe568 Q07=aa338db62dc81fef:a27bddbe2790dace 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=0dde47e3481921b5:7c83d936f451cbe7 Q17=fbec6782f62d751c:d4b75ef9ec066dc7 Q18=c611b2bca6761066:b7e733269e101f28 Q19=06253a8447aa9f1c:cf7bc7f0a2536774 Q20=6080fecff66c7342:626a3953d4a9eea8 Q21=e2136c008bad98da:dc769814922c92ac Q22=cb786a6a406bb2c1:e47ff418c3874806 Q23=094fece4bf765812:bd214d42fed9ccf6 Q24=6b20657479622d32:3320646e61707865 Q25=1e5f54dcfde7474f:890aa7c66d248bc3 Q26=884c7dbac13e67dd:2dc7872f3ae99a14 Q27=2600000000000000:0000000000000002 Q28=2600000000000000:0000000000000003 Q29=2600000000000000:0000000000000004 Q30=1300000000000000:000000000000000e Q31=0000000000000000:0000000000000004 info registers vcpu 1 PC=ffff80001002ce10 X00=0000000100000000 X01=ffff8000184f8000 X02=1ffff00002e7a002 X03=1fffe0000d564695 X04=1ffff0000309efb0 X05=ffff8000184f7db0 X06=00008ffffcf6104a X07=0000000000000001 X08=ffff8000184f7db7 X09=dfff800000000000 X10=ffff70000309efb6 X11=1ffff0000309efb6 X12=000000000000f1f1 X13=1ffff0000309ef7e X14=1ffff0000309eebe X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=ffff80001452fee0 X20=0000000000000000 X21=0000000000000003 X22=0000000000000028 X23=ffff800016185540 X24=dfff800000000000 X25=ffff800016185480 X26=0000000000000004 X27=ffff8000161854b0 X28=ffff00001462cec0 X29=ffff8000184f7d00 X30=ffff800010358478 SP=ffff8000184f7d00 PSTATE=600003c5 -ZC- 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=0000000000000000:0619a561ed02a0c9 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=000000000000001d:00000000ad986bbd Q31=0000000000000000:0000000000000000