syzkaller login: [ 71.280390][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 71.289999][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 71.297860][ T3141] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:63528' (ECDSA) to the list of known hosts. 1970/01/01 00:01:24 fuzzer started 1970/01/01 00:01:28 dialing manager at localhost:45771 1970/01/01 00:01:29 syscalls: 2894 1970/01/01 00:01:29 code coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:29 comparison tracing: CONFIG_KCOV is not enabled 1970/01/01 00:01:29 extra coverage: CONFIG_KCOV is not enabled 1970/01/01 00:01:29 setuid sandbox: enabled 1970/01/01 00:01:29 namespace sandbox: enabled 1970/01/01 00:01:29 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:01:29 fault injection: enabled 1970/01/01 00:01:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:01:29 net packet injection: enabled 1970/01/01 00:01:29 net device setup: enabled 1970/01/01 00:01:29 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:01:29 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:01:29 USB emulation: enabled 1970/01/01 00:01:29 hci packet injection: /dev/vhci does not exist 1970/01/01 00:01:29 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:01:29 802.15.4 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(0x40002b0ea0, 0x4000191500) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:469 +0x58 main.(*Fuzzer).deserializeInput(0x40002b0ea0, 0x4000046000, 0xa7, 0xa7, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:460 +0xf8 main.(*Fuzzer).addCandidateInput(0x40002b0ea0, 0x4000046000, 0xa7, 0xa7, 0x101) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:438 +0x40 main.(*Fuzzer).poll(0x40002b0ea0, 0x4000191001, 0x0, 0x4000310588) /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: 12:20:20 Registers: info registers vcpu 0 PC=fffffbfffdbfa7e0 X00=0000000000000000 X01=0000fffff753fe48 X02=0000fffff753fdc8 X03=0000000000000008 X04=0000000000000010 X05=0000000008000000 X06=0000000000000059 X07=0000000000004452 X08=0000000000000087 X09=0000000000004452 X10=0000000000000017 X11=00042c1d80000000 X12=000000015076155f X13=000000007fffffff X14=0000000002a7dc6d X15=00000000011d150c X16=0000aaaae5e7b808 X17=0000ffff8ce056b0 X18=0000000044514bab X19=0000fffff753fe48 X20=0000aaaae5e7b000 X21=0000aaaaea10c7b0 X22=0000fffff753fdc8 X23=0000000000000004 X24=0000aaaae5e7de00 X25=0000aaaae5e7b000 X26=0000000000000004 X27=0000aaaae5e2dcf0 X28=0000000000000001 X29=0000fffff753fd80 X30=0000aaaae5dd67d0 SP=ffff800012d2c000 PSTATE=404003c9 -Z-- 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=71754cabc4d9d878:84ea88126c88c22d Z02=f9ef106163a9291d:ceb9c42ed8e92b3d Z03=946ed2deb8723bdf:6eb5cd091aeaa4c0 Z04=0786122367129043:5646218e8a8cdec0 Z05=7b27bb82d08ae8b0:6f60d529418c7903 Z06=1c6ce82298ba3ef9:1a2ef93be1af4478 Z07=f8043bc7d958f0cd:955f073d3f0b199e 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=c38ad9e51ea37170:74562a6b85c1d0d3 Z17=e105cfd2d6a9cec4:9538f737a7c5a6dd Z18=d18ae0657a810000:06a4f493385e447e Z19=40da067734129d44:68483b3aeb21afbe Z20=f23071177af91248:5cf25b7252045910 Z21=d371c28f943ba3ae:4cab33139e782cd3 Z22=cb87481fd192ec1b:30157f8e88170996 Z23=68f7b35e19f11662:5ea3441a1538c2f8 Z24=6b20657479622d32:3320646e61707865 Z25=0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000004 info registers vcpu 1 PC=0000000000066118 X00=0000000000580958 X01=000000000000000f X02=0000000000000001 X03=0000000000580960 X04=0000000000000030 X05=0000000040100401 X06=000000000000000e X07=0000000000580b17 X08=000000400054b8d0 X09=0000000000000018 X10=0000000000000008 X11=0000000000580958 X12=000000000058dcf0 X13=000000000074e7c0 X14=0000000000000000 X15=0000000000000001 X16=00000000000417a3 X17=00000000000412a0 X18=0000000000000000 X19=0000000000000098 X20=000000400054bc08 X21=000000400054bf40 X22=0000004000442000 X23=0000000000000000 X24=0000000000000000 X25=0000000000000000 X26=00000040002e7558 X27=000000000000696e X28=00000040002f2000 X29=000000400054b948 X30=0000000000066154 SP=000000400054b950 PSTATE=60000000 -ZC- EL0t 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=0000000000000000:0000000000000000 Z01=039f02c003a00502:0063696e61706f67 Z02=010191028c01b200:05039f019d03a001 Z03=0000000000000000:4000000000000000 Z04=0000000000000001:0000000000000000 Z05=4010040140100401:4010040140100401 Z06=0001000000004000:0001000000004000 Z07=0000000000000000:3feafde325afba14 Z08=0000000000000000:3fd804e9693bfafa Z09=0000000000000000:3fe02d3d460ae6e8 Z10=0000000000000000:3fe0000000000000 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=0000000000000015:0000000042a64ea3 Z31=0000000000000000:0000000000000000