syzkaller login: [ 68.445375][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 68.464083][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 68.480623][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:15145' (ECDSA) to the list of known hosts. 1970/01/01 00:01:27 fuzzer started 1970/01/01 00:01:31 dialing manager at localhost:45771 1970/01/01 00:01:32 syscalls: 2894 1970/01/01 00:01:32 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:32 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:32 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:32 setuid sandbox: enabled 1970/01/01 00:01:32 namespace sandbox: enabled 1970/01/01 00:01:32 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:32 fault injection: enabled 1970/01/01 00:01:32 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:32 net packet injection: enabled 1970/01/01 00:01:32 net device setup: enabled 1970/01/01 00:01:32 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:32 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:32 USB emulation: enabled 1970/01/01 00:01:32 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:32 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:32 802.15.4 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(0x400009a9c0, 0x4000089b40) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x400009a9c0, 0x40000640c0, 0x5d, 0x5d, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x400009a9c0, 0x40000640c0, 0x5d, 0x5d, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x400009a9c0, 0x4000338a01, 0x0, 0x4000012180) /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: 12:18:57 Registers: info registers vcpu 0 PC=ffff8000101270e0 X00=0000000000000013 X01=ffff800010026d68 X02=ffff800012d33e40 X03=ffff800012934000 X04=ebef800010026f74 X05=0000000000000001 X06=0000000000000001 X07=0000000000000001 X08=ffff800012d3380c X09=0000000053c9f79e X10=f7ff0000055d1008 X11=0000000000000001 X12=c6eadecadb3dcc48 X13=ae69bf1e13297cb9 X14=514b163b4606f7ee X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=0000000000000800 X20=0000000000000000 X21=faff000005f41800 X22=f8ff00000319c400 X23=0000000000000001 X24=ffff800012a40640 X25=ffff00007a800000 X26=00000000000c10ca X27=ffff00007ae08650 X28=0000000000000014 X29=ffff800012d33740 X30=73ed80001027e028 SP=ffff800012d33960 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=109f3a3b880fe323:d673888fc3074e4f Z02=560c265f88ccbb46:6ec9fd27253a3477 Z03=458b5b88a17fb9d6:7e1dd432474254c2 Z04=4995bb646957e5bb:1a1db20f3f159139 Z05=e514d363928cb5ff:ac4d01e6f1c69ba6 Z06=68ae6c2d57edadb2:d472fd2b284e5850 Z07=7bab4a1ca97ac4f9:5832ec188f6bdfc5 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=aa6ab2b758d7d6dd:6ea40fedd4e377a8 Z17=f916f94e19bc457c:57a441f2f5c4e2d1 Z18=b3ef1432fd8065c8:12952774f0c303da Z19=591364943ff7998c:c6aca6e7e043aa94 Z20=39cb2593cea085ee:7a3ad4856e27866b Z21=6b2b2011cab1b023:36d340ba26b819fa Z22=1df077aba30b357d:eb6bae7afa5c6b6a Z23=eebbfb1015ccd1d4:0215151dd5ff2ce0 Z24=6b20657479622d32:3320646e61707865 Z25=a2f70fe0719578ef:f3e838fe065b9090 Z26=539c3d4d0bcbb5b9:b36416820c20e580 Z27=2500000000000000:000000000000000a Z28=2500000000000000:000000000000000b Z29=2500000000000000:000000000000000c Z30=2500000000000000:000000000000000e Z31=0000000000000000:0000000000000004 info registers vcpu 1 PC=fffffbfffdbfa7e0 X00=0000000000000002 X01=000000000032ad71 X02=0000000000000002 X03=0000000000000000 X04=0000000000000000 X05=0000000000000000 X06=0000004000465e10 X07=00000000002c6b00 X08=0000000000000040 X09=0000004000396000 X10=000000000000001e X11=0000000000000200 X12=000000000000001f X13=0000000000000000 X14=0000004000465fa0 X15=0000000000000000 X16=0000000000000000 X17=0000000000000008 X18=0000000000000000 X19=0000000000000010 X20=0000004000465e60 X21=0000004000469700 X22=00000040003b8000 X23=0000000000000000 X24=0000000000000000 X25=0000000000000000 X26=0000004000469558 X27=00000000000437c0 X28=0000004000001800 X29=0000004000465e08 X30=00000000000432b8 SP=ffff800012d7c000 PSTATE=404003c9 -Z-- EL2h 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=0000000000000000:4074a536dc788c44 Z01=0000000000000000:4112d4a000000000 Z02=be9595e22781945d:fc082c00614ad80d Z03=fcf89c78db569c7b:e3a2bbc78d9f994f Z04=0000000100000000:0000000000000000 Z05=4010040140100401:4010040140100401 Z06=0100000000000000:0100000000000000 Z07=0000000000000000:0000000000000000 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=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=0000000000000020:000000004d48bbb2 Z31=0000000000000000:0000000000000000